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 |
|---|---|---|---|---|---|
| PACCAR | 21210JCB | 021210, 21210, 00-021210 | 312A BASE KIT 12VDC D/L JWD | PACCAR Parts & Service | |
| PACCAR | 21264JCB | 021264, 21264, 00-021264 | RELAY HARNESS PREWIRED | PACCAR Parts & Service | |
| PACCAR | 21265JCB | 021265, 21265, 00-021265 | SWITCH GROUP ON/OFF | PACCAR Parts & Service | |
| PACCAR | 21267JCB | 021267, 21267, 00-021267 | CONTROL GROUP HEUI/ELEC ENG | PACCAR Parts & Service | |
| PACCAR | 21327 | 021327, 21327, 00-021327 | GAGE FEELER .100 | PACCAR Parts & Service | |
| PACCAR | 21423JCB | 021423, 21423, 00-021423 | PISTON SLAVE .874 DIA | PACCAR Parts & Service | |
| PACCAR | 21427JCB | 021427, 21427, 00-021427 | PISTON MASTER .936 DIA | PACCAR Parts & Service | |
| PACCAR | 21734JCB | 021734, 21734, 00-021734 | EX530E/466I EXHAUST BRAKE ASSY | PACCAR Parts & Service | |
| PACCAR | 22003JCB | 022003, 22003, 00-022003 | 336A BRK KIT 12VDC JWD | PACCAR Parts & Service | |
| PACCAR | 22325JCB | 022325, 22325, 00-022325, 1022325 | SWITCH FUEL PUMP 1.75 LG PKGD | PACCAR Parts & Service |
* Obsolete part – no longer available