Part Number Cross Reference
Need your engine OEM’s part number to order Genuine Jake Brake® parts? Use our Part Number Cross-Reference tool to find your OEM or Jacobs part number.
Jake Brake parts can be purchased through your engine OEM or local service center. Jacobs common components may be available through multiple engine OEMs or independent distributors. Use the Jacobs part number in the Cross-Reference tool to find out where these parts can be purchased.
Are you wondering which Jake Brake goes with a particular engine model? You can find that information in our OEM-specific Application Guides.
Narrow the results by searching for full or partial part numbers. You can also narrow results by selecting the engine manufacturers in the dropdown list.
| Engine OEM | OEM Part Number | Jacobs Part Number | Part Name | Where to Purchase | Edit |
|---|---|---|---|---|---|
| Cummins | 3871237 | 001255, 1255, 00-001255 | CONNECTION AIR OUTLET | Cummins Parts & Service | |
| Cummins | 3871238 | 001265, 1265, 00-001265 | BUTTON HD SCR 1/4-20 X .50 LG | Cummins Parts & Service | |
| Cummins | 3871239 | 001271, 1271, 00-001271 | SPACER GP-AI MANIFOLD CONN | Cummins Parts & Service | |
| Cummins | 3871240 | 001273, 1273, 00-001273 | AIR INTAKE MAN CONN | Cummins Parts & Service | |
| Cummins | 3871241 | 001276, 1276, 00-001276 | NUT HEX 3/8-16 | Cummins Parts & Service | |
| Cummins | 3871242 | 001289, 1289, 00-001289 | RETAINER SLAVE PISTON SPRING | Cummins Parts & Service | |
| Cummins | 3871243 | 001304, 1304, 00-001304 | SWITCH TOGGLE DASH CONTROL | Cummins Parts & Service | |
| Cummins | 3871244 | 001305, 1305, 00-001305 | PLATE DASHBOARD CONTROL SWITCH | Cummins Parts & Service | |
| Cummins | 3871245 | 001422, 1422, 00-001422 | EXTENSION OIL TUBE | Cummins Parts & Service | |
| Cummins | 3871246 | 001484, 1484, 00-001484 | PISTON SLAVE 1.000 DIA | Cummins Parts & Service |
* Obsolete part – no longer available