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 3871336 006789, 6789, 00-006789 SPRING INNER SLAVE PISTON
Cummins 3871337 006792, 6792, 00-006792 CAPSCREW 3/8-16 HEX HEAD
Cummins 3871338 006796, 6796, 00-006796 THROTTLE SWITCH BRACKET
Cummins 3871339 006833, 6833, 00-006833 TIE CABLE (MFG# 08472)
Cummins 3871340 006868, 6868, 00-006868 LOCK WASHER 1/4
Cummins 3871341 007080, 7080, 00-007080 SHIM LAMINATED
Cummins 3871342 007081, 7081, 00-007081 SHIM LAMINATED
Cummins 4015715 007215, 7215, 00-007215 WASHER FLAT
Cummins 3871343 007221, 7221, 00-007221 HARNESS
Cummins 3871344 007447, 7447, 00-007447 SPRING FLAT
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