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Cummins · Hardware & Fasteners
3906695
In stock · ships from Knoxville
This is a Cummins rectangular ring seal, commonly used as a fuel filter base O-ring on Cummins diesel engines such as the 4B, 4BT, 4BTA 3.9L and 6BT5.9.
Confirm the part fits before you buy. Applications and interchange numbers are researched and audited per part.
Verified fitment for 3 applications
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All confirmed applications for this part number.
Other applications
Other applications
Always confirm fitment with engine serial number or OEM parts catalog. This seal may also fit certain cement mixer applications (NSN 5331-01-281-8998).
Part data verified against 5 catalog sources
Numbers this part supersedes or interchanges with. Showing 3 of 3.
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It seals the connection between the fuel filter housing and the engine block, preventing fuel leaks. Replace this seal whenever you change the fuel filter or if you notice fuel weeping around the filter base.
Part Number: 3906695
O-RING
Vendor: MHC Kenworth
Dealer: KP Services Crossville
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