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 | 3871327 | 003912, 3912, 00-003912 | GAGE FEELER .027 | Cummins Parts & Service | |
| Cummins | 3871328 | 003939, 3939, 00-003939 | SPRING MASTER PISTON | Cummins Parts & Service | |
| Cummins | 3042594 | 003965, 3965, 00-003965 | CAB CONT GP | Cummins Parts & Service | |
| Cummins | 3871329 | 003975, 3975, 00-003975 | CAB CONT GP | Cummins Parts & Service | |
| Cummins | 3871330 | 004089, 4089, 00-004089 | PISTON MASTER .750 DIA | Cummins Parts & Service | |
| Cummins | 3871331 | 004136, 4136, 00-004136 | COVER CONTROL VALVE | Cummins Parts & Service | |
| Cummins | 3871332 | 005344, 5344, 00-005344 | FAN BRACKET SPACER GROUP | Cummins Parts & Service | |
| Cummins | 3871333 | 005377, 5377, 00-005377 | SCR PAN HD #6-32 X 1.00 | Cummins Parts & Service | |
| Cummins | 3871334 | 005378, 5378, 00-005378 | WASHER LOCK | Cummins Parts & Service | |
| Cummins | 3871335 | 006788, 6788, 00-006788 | WASHER SUPPORT | Cummins Parts & Service |
* Obsolete part – no longer available