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    • Abstract: Marine Accessories IntroductionCummins Onan Marine Generators ..............................................................................1Sound Shields and Belt GuardsSound Shields................................................................................................................2

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Marine Accessories
Introduction
Cummins Onan Marine Generators ..............................................................................1
Sound Shields and Belt Guards
Sound Shields................................................................................................................2
Belt Guards ....................................................................................................................3
Electrical System Accessories
Set-Mounted Gauges and Displays ..............................................................................4
Network Interface Modules ..........................................................................................8
Remote Panels, Gauges and Displays ........................................................................10
Harnesses ....................................................................................................................16
Dual Gauge Panel Momentary Switch ........................................................................21
Isolated Ground Conversions ......................................................................................22
AC Transfer Switches ..................................................................................................23
DC Terminal Boot Kit ..................................................................................................24
Low Coolant Level Switch ..........................................................................................25
Low Oil Level Switch ..................................................................................................26
AC Output Breakers ....................................................................................................27
Batteries ......................................................................................................................30
Alternator Space Heater ..............................................................................................31
Manual Voltage Control ..............................................................................................32
Power Take Off Conversions ....................................................................................33
Vibration Isolators......................................................................................................35
Cooling System Accessories
Siphon Break ..............................................................................................................36
Raw Water Inlet Conversions ......................................................................................37
Keel Cooling Conversions for Wet and Dry Exhaust ..................................................39
Keel Cooling Expansion Tank ......................................................................................41
Coolant Heater ............................................................................................................42
Exhaust Accessories
Exhaust Outlet Conversions ........................................................................................43
Wet Exhaust Mufflers, Water Separators, Resonators ................................................45
Wet Exhaust Hose and Elbow ....................................................................................52
Dry Exhaust Conversion, Mufflers, Flexible Exhaust Tubes ........................................54
Fuel System Accessories
Fuel System Connection Kits ......................................................................................59
Fuel Water Separator ..................................................................................................61
Hose Barbs and Pipe Adapters ..................................................................................62
Auxiliary Electric Fuel Pump ........................................................................................64
Service Part
Cruise Kits....................................................................................................................65
Paint ............................................................................................................................66
Part Number Index ....................................................................................................67
Cummins Onan Marine Accessories
Introduction
Cummins Onan Marine Generators
This catalog lists all accessories for the Cummins Onan QG™ and QD™ Series
Marine Generator Set models below.
Spec sheet number kW (50/60 Hz) Model
QD Series
A-1419 4/5 kW QD MDKAU
A-1432 7/9 kW QD MDKAV
A-1453 7/9 kW QD Space Saver MDKBG
A-1433 9.5/11.5 kW QD MDKAW
A-1434 11/13.5 kW QD MDKAZ
A-1448 13.5/17 kW QD MDKBD
A-1449 17.5/21.5 kW QD MDKBE
A-1450 22.5/27.5 kW QD MDKBF
QD Series (networked models)
A-1475 4/5 kW QD MDKBH
A-1476 7/9 kW QD MDKBL
A-1477 7/9 kW QD Space Saver MDKBK
A-1478 9.5/11.5 kW QD MDKBM
A-1479 11/13.5 kW QD MDKBN
A-1480 13.5/17 kW QD MDKBP
A-1481 17.5/21.5 kW QD MDKBR
A-1537 19/23 kW QD MDKBV
A-1482 22.5/27.5 kW QD MDKBS
A-1494 22.5/27.5 kW QD MDKBT
A-1488 27/32 kW QD MDKBU
A-1461 40 kW QD 60 Hz MDDCA
A-1462 55 kW QD 60 Hz MDDCB
A-1466 65 kW QD 60 Hz MDDCC
A-1467 80 kW QD 60 Hz MDDCD
A-1468 99 kW QD 60 Hz MDDCE
A-1469 40 kW QD 50 Hz MDDCF
A-1470 50 kW QD 50 Hz MDDCG
A-1471 65 kW QD 50 Hz MDDCH
A-1472 80 kW QD 50 Hz MDDCJ
QG Series
A-1454 8 kW QG 60 Hz MGKBD
A-1455 8/10 kW QG MGKBC
An index by part number is located in the back of the catalog. Specifications subject to change without notice.
Onan e-QD models are now QD; Onan e-QG models are now QG.
Cummins Onan Marine Accessories | 1
Sound Shields and
Belt Guards
PART NUMBER
0541-0588 Sound Shield
0541-0589 Sound Shield
0541-0830-01 Sound Shield
0541-0830-02 Sound Shield
0541-1126-01 Sound Shield
0541-1126-02 Sound Shield
0541-1127-01 Sound Shield
0541-1247 Sound Shield
0541-1248 Sound Shield
0541-1249-02 Sound Shield
0541-1279 Sound Shield 0541-0588
0541-1444-01 Sound Shield
0541-1444-02 Sound Shield Compatibility
Part No. Models Instruction Sheet
0541-1471-01 Sound Shield
0541-0588 MDKAV M-108
0541-1649-01 Sound Sheild MDKBL (spec A–B)
0541-1247 MDKBL (spec C) G-669
Spec Sheet Description 0541-1444-01 MDKBL (spec D and later) G-669
Sound shield housing 0541-0589 MDKAW/Z M-108
MDKBM/N (spec A–B)
Description 0541-1248 MDKBM/N (spec C) G-669
Sound shield with insulated panels, two doors and 0541-1444-02 MDKBM/N (spec D and later) G-669
multiple access ports for all of the necessary 0541-0830-01 MDKBD/E M-108
MDKBP/R (spec A)
connections and maintenance items including lifting
0541-1471-01 MDKBP/R (spec B–C) G-669
eye. Exhaust re-routing to the front may require a
separate kit (ref. 0155-3240 or other kits—please see 0541-0830-02 MDKBF M-108
MDKBS (spec A)
kit descriptions for selection details).
0541-1249-02 MDKBS (spec B and later) G-669
0541-1279 MDKBT/U G-724
Benefits
0541-1126-01 MDDCA/F G-633
Steel panel construction with insulation for optimum
0541-1126-02 MDDCB/C/G G-633
noise reduction capability. Lifting eye access allows
0541-1127-01 MDDCD/E/H/J G-633
convenient handling of the set installation. The sound
0541-1649-01 MDKBP/R (spec D and later) G-669
shield is easily added to the genset after it is installed.
MDKBV (spec A and later)
Installation
Models MDDCA/B/C/D/E/F/G/H/J may also need an Instruction Sheet
exhaust elbow extension. See Parts Manual for details.
See chart above.
Kit Includes
Front and rear panel, roof, doors (all finish painted parts
and decals in place), assembly hardware, instruction
sheet.
2 | Cummins Onan Marine Accessories
Sound Shields and Belt Covers
PART NUMBER
0541-0590 Belt Guard
0541-1474-01 Belt Guard
0541-1474-02 Belt Guard
0541-1128-01 Belt Guard
0541-1280-01 Belt Guard
0541-1650-01 Belt Guard
0541-1650-02 Belt Guard
0541-1650-03 Belt Guard
0541-1650-04 Belt Guard
Spec Sheet Description
Not listed on spec sheet
Description
A belt guard is required when the sound shield is
removed. It covers the belt and pulley at front of engine
and protects the operator.
Benefits
This kit allows conversion of a set equipped with a 0541-0590
sound shield to an unhoused version. The sound shield
components removed from the set, including hardware, Kit Includes
can be stored for future use in converting an unhoused Belt guard, assembly hardware, instruction sheet.
genset to a housed set.
Instruction Sheet
Compatibility See chart above.
Part No. Models Instruction Sheet
0541-0590 MDKAV/W/Z M-108
MDKBL/M/N
0541-1474-01 MDKBD/E/F (negative ground) M-108
MDKBP/R/S (negative ground) (spec A–C)
0541-1474-02 MDKBD/E/F (isolated ground) M-108
MDKBP/R/S (isolated ground) (spec A–C)
0541-1280-01 MDKBT/U G-724
0541-1128-01 MDDCA/B/C/D/E/F/G/H/J G-633
0541-1650-01 MDKBP/R (negative ground) (spec D and later) G-669
MDKBV (spec A and later)
0541-1650-02 MDKBP/R (isolated ground) (spec D and later) G-669
MDKBV (spec A and later)
Cummins Onan Marine Accessories | 3
Electrical System Accessories
PART NUMBER
0541-1206-01 Set-Mounted Gauges 12 V
0541-1206-02 Set-Mounted Gauges 24 V
Spec Sheet Description
DC gauge package with voltmeter, temperature gauge,
oil pressure gauge; set-mounted
Description
Three gauges assembled on a 16-gauge steel panel
and pre-wired to a 4 pin Deutsch connector for
installation in the genset mounted control box and
mating to the connector in the control harness.
Benefits 0541-1206-01
A plug-and-play assembly with oil pressure, coolant
temperature, and DC voltmeter LED gauges. DC
voltmeter has built-in, pre-alarm indication for engine oil
pressure, high coolant temperature and low battery
voltage. Note that the genset digital processor control
has separate safety shut-offs for preventing damage to
the genset.
Installation
These gauges replace the blank panel on the control
box. If this panel is used in addition to remote mounted
gauges, momentary switch is required (0300-4835-03).
Compatibility
in (mm)
These kits are for use with:
MDKAV/W/Z
MDKBG/D/E/F
0541-1206-01 is for 12 V DC sets
0541-1206-02 is for 24 V DC sets
Kit Includes
Panel assembly, four plastic rivets for mounting,
instruction sheet.
Instruction Sheet
C-612
4 | Cummins Onan Marine Accessories
Electrical System Accessories
PART NUMBER
0541-0583 Module–No Gauges 12 V
0541-0584 Module–No Gauges 24 V
Spec Sheet Description
Not listed on spec sheet
Description
Kit for replacing set-mounted gauges on the genset
with a blank panel.
Benefits
Assembly plugs in to a mating connector inside the DC
control to simulate gauges when no gauges are
present. This arrangement maintains the necessary 0541-0583
processor control operation.
Installation
Panel covers hole in control box when set-mounted
gauges are removed.
Compatibility
These kits are for use with:
MDKAV/W/Z
MDKBG/D/E/F
0541-0583 is for 12 V DC sets
0541-0584 is for 24 V DC sets
Kit Includes
Resistor assembly, blank DC control panel, washer and
nut for ground strap, instruction sheet.
Instruction Sheet
C-612
Cummins Onan Marine Accessories | 5
Electrical System Accessories
PART NUMBER
0300-6363-03 Set-Mounted
Cummins Onan Digital Display
Spec Sheet Description
Set-mounted Cummins Onan Digital Display
Description
Weather protected plastic enclosure with a graphical
LCD display.
Benefits
If the display is not ordered with the genset, this kit
makes it easy to add the display in the field. This
display is also available for remote mounting, see kit
0541-1130.
Compatibility 0300-6363-03
This kit is for use with MDKBL/M/N/P/R/S/T/U/V.
Installation
This kit replaces the start/stop switch panel on the
control box. Up to three displays can be connected to
one generator.
Kit Includes
Display assembly, mounting bracket and instruction
sheet.
Instruction
C-671
6 | Cummins Onan Marine Accessories
Electrical System Accessories
PART NUMBER
0541-1129-01 Blank Panel with
Start/Stop Switch 12V
0541-1129-02 Blank Panel
with Start/Stop Switch 24V
Spec Sheet Description
Panel with start/stop switch with run (green) and control
status (amber) lamps; replaces Cummins Onan Digital
Display if mounted remotely.
Description
Panel with start/stop switch with built-in dual lamps to
indicate when the set is running; the green lamp
indicates the generator is operating normally; the amber
flashing lamp indicates a diagnostic code for
convenient troubleshooting.
0541-1129-01
Benefits
Replaces the set-mounted Cummins Onan Digital
Display with a start/stop switch for remote mounting
the display.
Compatibility
These kits are for use with MDDCA/B/C/D/E/F/G/H/J.
Installation
Harness Y adapter, part number 0338-4016, also
required.
Kit Includes
Panel, start/stop switch with connector, hardware for
mounting the Cummins Onan Digital Display remotely
and instruction sheet.
Instruction Sheet
G-631
Cummins Onan Marine Accessories | 7
Electrical System Accessories
PART NUMBER
0541-1195-01 Interface, Communication Network,
SAE J1939
0541-1195-03 Interface, Communication Network,
SAE J1939
Spec Sheet Description
SAE J-1939 CAN data link
Description
If the network interface is not ordered with the genset,
this kit makes it easy to add it in the field.
Benefits
Provides genset information on a J1939 data link for
monitoring generator set status and diagnostics for
engine and alternator. Transmitted data includes: AC 0541-1195-01
voltage, AC frequency, coolant temperature, oil
pressure, battery voltage, hours, pre-alarm and fault
information.
Compatibility
Part No. Models
0541-1195-01 MDKBH
0541-1195-03 MDKBK/L/M/N/P/R/S/T/U/V
Installation
Kit 0541-1195-01 mounts to the outside of the sound
shield (see outline drawing for more information). A SAE
J1939 capable display needs to be programmed to
display genset information.
Kit Includes
Network interface module, harness, mounting
hardware, and instruction sheet.
Instruction Sheet
C-679
8 | Cummins Onan Marine Accessories
Electrical System Accessories
PART NUMBER
0541-1195-02 Interface, Communication Network,
SmartCraft
0541-1195-04 Interface, Communication Network,
SmartCraft
Spec Sheet Description
SmartCraft Networked™ data link
Description
If the network interface is not ordered with the genset,
this kit makes it easy to add it in the field.
Benefits
Provides genset information on a SmartCraft
Networked™ data link for monitoring generator set
status and diagnostics for engine and alternator.
Transmitted data includes: AC voltage, AC frequency,
coolant temperature, oil pressure, battery voltage,
hours, pre-alarm and fault information.
Compatibility
Part No. Models
0541-1195-02 MDKBH
0541-1195-04 MDKBK/L/M/N/P/R/S/T/U/V
Installation
Kit 0541-1195-02 mounts to the outside of the sound
shield (see outline drawing for more information).
Display and harness is available through Cummins
MerCruiser Diesel.
Kit Includes
Network interface module, harness, mounting
hardware, and instruction sheet.
Instruction Sheet
C-679
Cummins Onan Marine Accessories | 9
Electrical System Accessories
PART NUMBER
0300-5725-01 Basic Panel 12 V
0300-5725-02 Basic Panel 24 V
0300-5899-01 Basic Panel 12 V
0300-5899-02 Basic Panel 24 V
Spec Sheet Description
Basic remote panel with start/stop switch with run
(green) and control status/diagnostic indicator
(amber) lamps
Description
Basic remote start/stop switch panel. Plastic panel
(black) with dual lamp start/stop momentary switch
pre-wired to an 8-pin Deutsch sealed connector. 0300-5725-01, -02
Benefits
This remote panel allows the operator to start or stop
the generator from a convenient location, remote from
the generator. The start/stop switch has built-in dual
lamps: the green lamp indicates the generator is
operating normally; the amber flashing lamp indicates a
diagnostic code for convenient troubleshooting. Panel
must be plugged into generator control with suitable
extension harness.
Compatibility
0300-5725-01, -02
Part No. Models
in (mm)
0300-5725-01 (12 V) MDKAU/V/W/Z
MDKBG/H/K/L/M/N
MDKBD/E/F
MDKBP/R/S/T/U/V
MGKBC/D
0300-5725-02 (24 V) MDKAV/W/Z
MDKBG/K/L/M/N
MDKBD/E/F
MDKBP/R/S/T/U/V
0300-5899-01 (12 V) MDDCA/B/C/D/E/F/G/H/J
0300-5899-02 (24 V) MDDCA/B/C/D/E/F/G/H/J
Kit Includes
Panel assembly with connector, two #6 x 1.0 in wood
screws for mounting, instruction sheet.
Instruction Sheet
0300-5899-01, -02
C-605
in (mm)
10 | Cummins Onan Marine Accessories
Electrical System Accessories
PART NUMBER
0300-5726-01 Deluxe Panel 12 V
0300-5726-02 Deluxe Panel 24 V
Spec Sheet Description
Deluxe remote panel with start/stop switch with run
(green) and control status (amber) lamps and DC LED
display voltmeter
Description
Deluxe remote panel with start/stop switch with
voltmeter. Plastic panel (black) with dual lamp
start/stop momentary switch and voltmeter pre-wired to
an 8-pin Deutsch sealed connector.
0300-5726-01, -02
Benefits
A plug-and-play assembly with a start/stop switch with
built-in dual lamps to indicate when the set is running:
the green lamp indicates the generator is operating
normally; the amber flashing lamp indicates a
diagnostic code for convenient troubleshooting. Panel
must be plugged into generator control with suitable
extension harness. Also included is a DC voltmeter with
built-in pre-alarm indication for low-battery voltage.
Compatibility
These kits are for use with:
MDKAU/V/W/Z
MDKBG/D/E/F
MGKBC/D
in (mm)
0300-5726-01 is for 12 V DC sets
0300-5726-02 is for 24 V DC sets
Kit Includes
Panel assembly with start/stop switch, adapter
harness, DC voltmeter; mounting wood screws (#6 x
1.0 in long); genset operating instructions label,
instruction sheet.
Instruction Sheet
C-605
Cummins Onan Marine Accessories | 11
Electrical System Accessories
PART NUMBER
0300-5727-01 Deluxe Panel 12 V
0300-5727-02 Deluxe Panel 24 V
Spec Sheet Description
Deluxe remote panel with start/stop switch with run
(green) and control status (amber) lamps and hour
meter
Description
Deluxe remote start/stop switch with hour meter.
Plastic panel (black) with dual lamp start/stop
momentary switch and hour meter pre-wired to an
8-pin Deutsch sealed connector. Also includes an hour
meter to indicate accumulated hours of operation.
Refer to the hour meter on the genset control for exact 0300-5727-01, -02
hours of operation.
Benefits
A plug-and-play assembly with a start/stop switch with
built-in dual lamps to indicate when the set is running:
the green lamp indicates the generator is operating
normally; the amber flashing lamp indicates a
diagnostic code for convenient troubleshooting. Panel
must be plugged into generator control with suitable
extension harness. Also included is a service hour
meter for ease of logging generator set operation
hours. There is a hour meter in the genset-mounted
control that could be logged separately to monitor
service intervals if desired.
Compatibility
These kits are for use with: in (mm)
MDKAU/V/W/Z
MDKBG/D/E/F
MGKBC/D
0300-5727-01 is for 12 V DC sets
0300-5727-02 is for 24 V DC sets
Kit Includes
Start/stop switch, adapter harness, hour meter and
panel assembly, mounting wood screws (#6 x 1.0 in
long), instruction sheet.
Instruction Sheet
C-605
12 | Cummins Onan Marine Accessories
Electrical System Accessories
PART NUMBER
0541-1207-01 Remote Gauge Package 12 V
0541-1207-02 Remote Gauge Package 24 V
Spec Sheet Description
Remote gauge package with start/stop switch, hour
meter, DC voltmeter, oil pressure and water
temperature gauges
Description
Remote 16-gauge steel panel assembly (steel panel
has label overlay) with 2-in round oil pressure and
water temperature gauges and DC voltmeter LED
displays, plus a hour meter, and start/stop switch with
built-in lamps, all connected to an 8-pin Deutsch
sealed connector. 0541-1207-01
Benefits
A plug-and-play assembly with a start/stop switch with
built-in dual lamps: the green lamp indicates the
generator is operating normally; the amber flashing
lamp indicates a diagnostic code for convenient
troubleshooting. Panel must be plugged into generator
control with suitable extension harness. Also included
is a service hour meter for ease of logging generator
set operation hours from a remote location. Has oil
pressure, coolant temperature, and DC voltmeter LED
gauges with built-in pre-alarm indication for engine oil
pressure, high coolant temperature and low battery
voltage. Note that the genset digital control has
separate safety shut-offs for preventing damage to the
genset.
Installation
If accessory is used in addition to set-mounted gauges, in (mm)
momentary switch is required (0300-4835-03).
Kit Includes
Compatibility
Panel assembly with adapter harness, four mounting
These kits are for use with: sheet metal pan head screws (#8 x 1.0 in long),
MDKAV/W/Z instruction sheet.
MDKBG/D/E/F
0541-1207-01 is for 12 V DC sets Instruction Sheet
0541-1207-02 is for 24 V DC sets
C-605
Cummins Onan Marine Accessories | 13
Electrical System Accessories
PART NUMBER
0541-1208-01 Gauge Package 12 V
0541-1208-02 Gauge Package 24 V
Spec Sheet Description
Remote gauge package with DC voltmeter, oil pressure
and water temperature
Description
Remote gauge panel made from 14GA. 316L stainless
steel, e-coated black. Includes 2-in round oil pressure,
water temperature, and DC voltmeter gauges with
LED displays connected to a 8-pin Deutsch sealed
connector.
Benefits 0541-1208-01, -02
Plug and play assembly with oil pressure, water
temperature and DC voltmeter gauges. Gauges have a
LED display with built in pre-alarm indication for low
engine oil pressure, high coolant temperature and low
battery voltage. Panel must be plugged into generator
control with suitable extension harness.
Installation
If panel is used in addition to set-mounted gauges,
momentary switch is required (0300-4835-03).
Compatibility
These kits are for use with:
MDKAV/W/Z
MDKBG/D/E/F
0541-1208-01 is for 12 V DC sets
0541-1208-02 is for 24 V DC sets
in (mm)
Kit Includes
Panel assembly and instruction sheet.
Instruction Sheet
C-605
14 | Cummins Onan Marine Accessories
Electrical System Accessories
PART NUMBER
0541-1130 Series Digital Display
Spec Sheet Description
Cummins Onan Digital Display graphical LCD remote
display for genset operating parameters and
diagnostics
Description
Weather protected plastic enclosure with a graphical
LCD display and two 8-pin Deutsch connectors.
Benefits
Plug-and-play assembly with start/stop buttons and
LED lights that provide genset status at a glance. The
LCD has digital readout of AC voltage, AC frequency, 0541-1130
coolant temperature, oil pressure, battery voltage, and
hours. It will also provide a pre-alarm warning for high
coolant temperature and low oil pressure alerting the
operator of a potential failure. If the genset shuts down
due to a fault, the LCD will provide a description of the
fault along with the fault number and the run time hours
that the fault occurred. The display will also list the last
five faults that occurred.
Installation
Up to three displays can be connected to one
generator. Requires 4.8 inches (123 mm) mounting
depth.
Compatibility
in (mm)
This kit is for use with:
MGKBC/D
MDKBH/K/L/M/N
MDKBP/R/S/T/U
MDDCA/B/C/D/E/F/G/H/J
Kit Includes
Display assembly, four mounting screws, instruction
sheet.
Instruction Sheet
G-574
Cummins Onan Marine Accessories | 15
Electrical System Accessories
PART NUMBER
0541-0941-01 Harness Kit–Remote Start/Stop
Switch with Connector 12 V
0541-0941-02 Harness Kit–Remote Start/Stop
Switch with Connector 24 V
0541-1131-01 Harness Kit–Remote Start/Stop
Switch with Connector 12 V
0541-1131-02 Harness Kit–Remote Start/Stop
Switch with Connector 24 V
Spec Sheet Description
Remote start/stop switch with dual lamps and mating
harness only for panel installation 0541-0941-01, -02
Description
Basic remote start/stop switch—Switch (black) with
dual lamp start/stop momentary switch pre-wired to an
8-pin Deutsch sealed connector for use with available
extension harnesses ranging in length from 15 feet (4.5
meter) to 150 feet (45.7 meter).
Benefits
A plug-and-play assembly with a start/stop switch and
mating adapter harness for customer to install in any
customized remote panel. The switch has built-in dual
lamps: the green lamp indicates the generator is
operating normally; the amber flashing lamp indicates a
diagnostic code for convenient troubleshooting. Switch
must be plugged into the generator set control with a
suitable extension harness. Also included is a separate
label (76 x 90 mm; 3 x 3.5 in) with operating
instructions and fault codes for diagnosis for operator in (mm)
convenience. Label has a black background with white
text. Compatibility
Part No. Models
Kit Includes 0541-0941-01 (12 V) MDKAU/V/W/Z
Start/stop switch, adapter harness, genset operating MDKBG/H/K/L/M/N
instructions label, instruction sheet. MDKBD/E/F
MDKBP/R/S/T/U/V
MGKBC/D
Instruction Sheet 0541-0941-02 (24 V) MDKAV/W/Z
C-605 MDKBG/K/L/M/N
MDKBD/E/F
MDKBP/R/S/T/U/V
0541-1131-01 (12 V) MDDCA/B/C/D/E/F/G/H/J
0541-1131-02 (24 V) MDDCA/B/C/D/E/F/G/H/J
16 | Cummins Onan Marine Accessories
Electrical System Accessories
PART NUMBER
0338-3167 Remote Panel Harness 15 ft (4.5 m)
0338-3168 Remote Panel Harness 25 ft (7.6 m)
0338-3169 Remote Panel Harness 45 ft (13.7 m)
0338-3169-01 Remote Panel Harness 75 ft (22.8 m)
0338-3169-02 Remote Panel Harness 100 ft (30.4 m)
0338-3169-03 Remote Panel Harness 150 ft (45.6 m)
Spec Sheet Description
Remote panel wire harness—15 ft, 25 ft, 45 ft, 75 ft 100
ft or 150 ft
Description 0338-3167
Remote panel wire harness—15 ft (4.5 m), 25 ft (7.6 m),
45 ft (13.7 m), 75 ft (22.8 m), 100 ft (30.4 m) or 150 ft
(45.6 m)
These harnesses have 8 wires terminated at both ends
with sealed Deutsch connectors that plug into the
generator set control connector and various Cummins
Onan remote panel accessories described in this
catalog. The wire bundle has wire ties at each 10 to 14
in (254–356 mm) to keep it intact.
Benefits
Easy, plug and play connection between genset and
remote panel.
Installation
When installed, the wire bundle should be protected
through the boat so that it does not get damaged from
contact with other machinery or personnel. The
minimum hole diameter for either end of the harness to
be passed through is 1.7 in (43 mm).
Compatibility
These kits are for use with all QG and QD Series
generator sets except for the MDKAU which is limited
to 45 feet (13.7 m) and shorter harnesses.
Kit Includes
Harness assembly.
Instruction Sheet
None
Cummins Onan Marine Accessories | 17
Electrical System Accessories
PART NUMBER
0338-4016 Harness Y Adpater for Remote Dual
Stations
Spec Sheet Description
Y adapter harness for dual remote stations
Description
Harness consists of 2 x 8-pin watertight, Deutsch
receptacles with 8 wires connected to an 8-pin
watertight, Deutsch plug.
0338-4016
Dimensions
8 in (203 mm) between connections.
Benefits
Converts the control single remote to two remote
connectors. Allows connection of two remote stations
(only one with remote gauges) to the genset control
with suitable extension harness.
Compatibility
This kit is for use with all QG and QD Series generator
sets.
Kit Includes
Harness assembly.
Instruction Sheet
None
18 | Cummins Onan Marine Accessories
Electrical System Accessories
PART NUMBER
0338-4017 Harness—Pigtail at Remote Panel
Spec Sheet Description
Remote station harness pigtail
Description
Harness consists of an 8-pin watertight, Deutsch
receptacle with 8 wires (16 AWG) labeled 1 through 8,
each 8 in (203 mm) long. Installer should butt splice
connections on the loose end to make the necessary
extensions.
Benefits
This harness plugs into the Cummins Onan remote
panel accessories described in this catalog and allows
installer to splice extensions to connect between the
genset and remote panel.
Compatibility
This kit is for use with all QG and QD Series generator
0338-4017
sets.
Kit Includes
Remote control pigtail.
Instruction Sheet
None
Cummins Onan Marine Accessories | 19
Electrical System Accessories
PART NUMBER
0338-4223 Harness—Pigtail at Genset (8 ckt)
0338-4500 Harness—Pigtail at Genset (12 ckt)
Spec Sheet Description
Remote station harness pigtail
Description
Harness consists of a watertight, Deutsch plug with 8
or 12wires (16 AWG), each 8 in (203 mm) long. Installer
should butt splice connections on the loose end to
make the necessary extensions.
Benefits 0338-4223
This harness plugs in to the remote connector at the
the genset and allows installer to splice extensions to
connect the genset and remote panel.
Compatibility
0338-4223 is for use with all QG and QD Series
generator sets
0338-4500 is for connection J12 on
MDDCA/B/C/D/E/F/G/H/J
Kit Includes
Harness
Instruction Sheet
None
20 | Cummins Onan Marine Accessories
Electrical System Accessories
PART NUMBER
0300-4835-03 Dual Gauge Panel Momentary Switch
Spec Sheet Description
Dual gauge momentary switch to allow operation of
remote panel gauges and set-mounted gauge panel
Description
The kit consists of a double-pole, double-throw
momentary switch which is mounted in the genset 0300-4835-03
control panel and connected to the senders (oil
pressure and coolant temperature). It delivers the signal
to the remote oil pressure and coolant temperature
gauge. Momentary operation by the operator, when at
the genset, operates the genset control gauges and
disconnects the remote panel oil pressure and coolant
temperature gauges for that duration.
Benefits
Allows use of two oil pressure and water temperature
gauges on a single gauge sender on the genset.
Requires one set of gauges in the genset control panel
and another at a remote location.
Compatibility
This kit is for use with:
MDKAV/W/Z
MDKBG/D/E/F
Kit Includes
Switch and harness assembly, switch cap, two
washers, label instructions, instruction sheet.
Instruction Sheet
C-605
Cummins Onan Marine Accessories | 21
Electrical System Accessories
PART NUMBER
0300-5464 Isolated Ground Conversion 12 V
0541-0822 Isolated Ground Conversion 12 V
0541-0823 Isolated Ground Conversion 12 V
0541-0824 Isolated Ground Conversion 24 V
Spec Sheet Description
12 or 24 V isolated ground conversion kit, no battery
charging 12 V isolated DC control conversion kit
Description
This kit isolates the genset DC control system from the
engine block which is bonded to the genset grounding
lug. Isolation involves replacing oil pressure sensor,
replacing water temperature sensor, and installing a 0300-5464
relay that connects ground and B- during preheat and
cranking only.
Benefits
When the genset is off or running, the DC system is Installation
isolated from the boats hull by disconnecting the The battery charging alternator will be disconnected
engine block from B-. When the set is starting and when installing kits 0541-0823 and 0541-0824.
during pre-heat, the engine block is connected to B-.
Kit Includes
Compatibility Oil pressure sensor, water temp sensor, relay, wire and
Part No. Models miscellaneous hardware, instructi


Use: 0.04