Service parts for the 12.ODJC-18R
Grouped by system, with how many of each the parts manual calls for.
Oil system
1 requiredPrices captured from merchant listings; some links are affiliate links. Confirm against your serial number before ordering.
Specifications
| Fuel | Diesel |
|---|---|
| Frequency | 60.0 Hz |
| Standby power | 12 kW |
| Standby kVA | 12 |
Maintenance & consumables
| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Oil filter | Filter, Oil (5-3/4") | 122-0193 | Amazon eBay $18.32 NAPA $10.64 |
Common questions
How many kW is the Cummins/Onan 12.ODJC-18R?
The Cummins/Onan 12.ODJC-18R is rated 12 kW standby (12.0 kVA).
Is the Cummins/Onan 12.ODJC-18R diesel or gas?
The Cummins/Onan 12.ODJC-18R runs on Diesel.
What oil filter fits the Cummins/Onan 12.ODJC-18R?
The Cummins/Onan 12.ODJC-18R uses oil filter part number 122-0193.
Parts
75| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 122-0193 | Filter, Oil - Heavy Duty (5-3/4") | 1 | Oil filter | Amazon eBay $18.32 NAPA $10.64 |
| 140-0584 | Gasket, Air Cleaner | 1 | Gasket | Amazon eBay |
| 140-0645 | Adapter, Air Cleaner Hose | 1 | Air filter | Amazon eBay |
| 140-0721 | Cleaner, Air (Includes Element And Baffle) | 1 | Air filter | Amazon eBay $12.13 |
| 140-0723 | Pre-Cleaner, Air Cleaner | 1 | Air filter | Amazon eBay $139.00 |
| 140-0740 | Tube, Air Cleaner | 1 | Air filter | Amazon eBay |
| 140-0765 | Element, Air Cleaner | 1 | Air filter | Amazon eBay $12.13 |
| 140-1267 | Baffle, Air Cleaner | 1 | Air filter | Amazon eBay |
| 140-1271 | Elbow, Rubber - Air Cleaner | 1 | Air filter | Amazon eBay |
| 309-0206 | Component 309-0206 | 1 | Sensor | Amazon eBay |
| 309-0270 | Thermostat, Low Engine Temperature | 1 | Thermostat | Amazon eBay |
| 503-0330 | Hose, Air Cleaner Connector | 1 | Hose | Amazon eBay |
| 503-0365 | Clamp, Hose | 1 | Hose | Amazon eBay |
| 503-0419 | Elbow, Rubber - Air Cleaner | 1 | Hose | Amazon eBay |
| 800-0015 | Hose, Tank to Filter | 1 | Hose | Amazon eBay |
| 140-0722 | Band, Mount ing | 2 | Service part / kit | Amazon eBay |
| 140-0961 | Indicator, Restriction | 21 | Service part / kit | Amazon eBay |
| 140-1260 | Fitting, Safety Filter | 2 | Service part / kit | Amazon eBay $116.27 NAPA $10.13 |
| 302-0446 | Ammeter, Charge 5-0-5 | 1 | Service part / kit | Amazon eBay |
| 302-0885 | Screw, Machine - Round Head, Black Zinc Finish (#6-32 X 1/2") | 1 | Service part / kit | Amazon eBay |
| 307-0655 | Holder, Indicator Lamp | 1 | Service part / kit | Amazon eBay |
| 307-0845 | Start Solenoid | 1 | Service part / kit | Amazon eBay $126.18 FridayParts $27.40 |
| 307-1046 | Solenoid, Start - Key 5,6,7 | 1 | Service part / kit | Amazon eBay $59.95 FridayParts $99.98 |
| 307-1143 | Relay, Generating | 1 | Service part / kit | Amazon eBay |
| 307-2817-01 | # Relay (K4, K5) | 2 | Service part / kit | Amazon eBay |
| 309-0195 | 1 • Bracket, High Air Temperature Switch (Optional) 42 | 1 | Service part / kit | Amazon eBay |
| 320-0259 | Limiter, Cranking | 1 | Service part / kit | eBay |
| 321-0146 | Fuse - 10 Amp. | 1 | Service part / kit | Amazon eBay |
| 321-0175 | Holder, Fuse | 1 | Service part / kit | Amazon eBay |
| 322-0108 | LO OIL PRES - Red (0S4) | 1 | Service part / kit | Amazon eBay |
| 322-0109 | Red - Hi Eng Temp (DS5) | 1 | Service part / kit | Amazon eBay |
| 322-0111 | OVERSPEED - Red (0S5) | 1 | Service part / kit | Amazon eBay |
| 323-1491 | * Pin, Contact (Used With Inline G) | 3 | Service part / kit | Amazon eBay |
| 323-1492 | * Socket, Contact (Used In Stations 18, 19) | 4 | Service part / kit | Amazon eBay |
| 323-1623 | +Connector, Plug | 1 | Service part / kit | Amazon eBay |
| 323-1624 | +Wedge, Plug | 1 | Service part / kit | Amazon eBay |
| 332-0052 | Clamp, Loop | 1 | Service part / kit | Amazon eBay |
| 332-0602 | Jumper, Solenoid | 39 | Service part / kit | Amazon eBay |
| 332-0604 | # Block, Terminal (T26) | 1 | Service part / kit | Amazon eBay |
| 332-0616 | Strip, Marker - 5 Place | 1 | Service part / kit | Amazon eBay |
| 332-0706 | TERMINAL | 31 | Service part / kit | Amazon eBay |
| 332-0876 | 336-155o I “7 336- ’ffj4fJ | 1 | Service part / kit | Amazon eBay |
| 332-1043 | Block Terminal - 16 Place | 1 | Service part / kit | Amazon eBay |
| 357-0030 | Rectifier | 1 | Service part / kit | Amazon eBay $38.99 |
| 402-0070 | Spec A | 4 | Service part / kit | Amazon eBay |
| 505-0008 | Plug, Slotted Head - Fuel Tank | 1 | Service part / kit | Amazon eBay |
| 508-0001 | Governor | 1 | Service part / kit | Amazon eBay |
| 508-0126 | Washer, Insert - High Temperature Switch (Optional) 43 | 4 | Service part / kit | Amazon eBay $7.99 |
| 508-0127 | 1 Insulator, Sleeve - High Temperature Switch (Optional) 44 | 1 | Service part / kit | Amazon eBay |
| 508-0183 | Strip, Marker Block, Terminal (TB3 Grommet Bushing Strain Relief Bridge; Rectifier (CR21)) | 52 | Service part / kit | Amazon eBay |
| 518-0049 | Cover, 80X - Breaker | 1 | Service part / kit | Amazon eBay |
| 526-0018 | Gasket, Flange (1-3/4) | 1 | Service part / kit | Amazon eBay |
| 526-0021 | Lever, Actuator Control. Governor | 1 | Service part / kit | Amazon eBay |
| 526-0049 | Washer, Flat - Brass (13/64' ID X7/32' 00X 1/32' Thk) | 1 | Service part / kit | Amazon eBay |
| 800-0007 | Plug, Oil Drain | 2 | Service part / kit | Amazon eBay |
| 800-0024 | Part 800-0024 | 1 | Service part / kit | Amazon eBay $6.00 |
| 812-0065 | Screw, Machine - Round Head (#6 - 32 x 5/8') | 2 | Service part / kit | Amazon eBay |
| 815-0236 | Screw, Tapping - Hex Head (5/16-18 X 5/8') | 4 | Service part / kit | Amazon eBay |
| 815-0385 | Screw, Machine - Round Head (#6-32 x 1/2) | 2 | Service part / kit | Amazon eBay |
| 815-0539 | Screw, Machine - Round Head - Cross Recessed W/IT (#8-32 x 5/8º) | 19 | Service part / kit | Amazon eBay |
| 815-0544 | Screw, Machine - Round Head IT Washer (#6 - 32 x 1/2') | 3 | Service part / kit | Amazon eBay |
| 815-0550 | Screw, Pan Head - Cross Recessed W/ET (#6-32 x 3/8) | 18 | Service part / kit | Amazon eBay $7.00 |
| 821-0004 | Screw, Self-Locking - Hex | 4 | Service part / kit | Amazon eBay |
| 821-0008 | Screw, Cap - Hex Head Locking Flange (1/4-20 x 5/16") | 1 | Service part / kit | Amazon eBay |
| 821-0014 | 2 821-0018 1 3 526-0018 2 4 856-0006 1 5 870-0212 1 6 NOTE 1 REF 7 NOTE 1 REF 8 NOTE 1 | 1 | Service part / kit | Amazon eBay |
| 821-0040 | Screw, Flanged - Self-Locking (#10-32 x 5/16) | 43 | Service part / kit | Amazon eBay |
| 850-0030 | Washer, Lock - Spring (#10) | 1 | Service part / kit | Amazon eBay |
| 850-0040 | Washer, Lock - Spring (1/4") | 2 | Service part / kit | Amazon eBay |
| 850-0045 | Washer, Lock - Spring (5/16') | 2 | Service part / kit | Amazon eBay $7.00 |
| 856-0006 | Part 856-0006 | 1 | Service part / kit | Amazon eBay $7.00 |
| 856-0008 | Washer, Lock - EIT (5/16'1) | 1 | Service part / kit | Amazon eBay |
| 862-0001 | Nut, Hex (1/4-20) | 2 | Service part / kit | Amazon eBay $19.72 |
| 862-0015 | Nut, Hex | 1 | Service part / kit | Amazon eBay |
| 870-0183 | Nut, Hex W/ET (#6-32) | 2 | Service part / kit | Amazon eBay |
| 871-0010 | Nut, Hex - Srass (#10-32) Washer, Lock - EIT (#10) Washer, Lock - IT (#10) | 8 | Service part / kit | Amazon eBay |
Service, wear & replacement parts referenced for this model and its engine — confirm the exact part for your serial number. See the full parts catalog to search and cross-reference.
Available documents
Parts manual — 967-0222 Onan DJC (spec A-AD) Diesel Generator Parts Catalog w-Suppl 967-2002- small 71 pages (09-1988) (Cummins/Onan)Parts manual — DJC Special Parts List - DJC 20616AC-25694AD (Cummins/Onan)
This page was generated from the 2 manufacturer documents above by automated extraction; every figure shown is copied from one of them. How the data is compiled.