MA3H – Cummins 3871218 is a genuine OEM rectangular lower solenoid seal ring used in Cummins/Jacobs engine-brake assemblies. Cummins Jacobs service literature identifies 3871218 specifically as the lower seal ring and cross-references it to Jacobs 001083. Cummins Intebrake tune-up documentation also shows 3871218 as the lower solenoid seal, paired with upper seal 3871638 and center…
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MA3H –
Cummins 3871218 is a genuine OEM rectangular lower solenoid seal ring used in Cummins/Jacobs engine-brake assemblies. Cummins Jacobs service literature identifies 3871218 specifically as the lower seal ring and cross-references it to Jacobs 001083.
Cummins Intebrake tune-up documentation also shows 3871218 as the lower solenoid seal, paired with upper seal 3871638 and center seal 4026537.
| Weight | .5 lbs |
|---|---|
| Dimensions | 4 × 4 × 4 in |
Any mention of OEM names or OEM product ID numbers/descriptions/model numbers is intended for identification purposes only and does not indicate that it is an OEM part.
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