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PAI Industries · Hardware & Fasteners
136041
In stock · ships from Knoxville
This is a rubber rocker cover isolator seal (also called a bolt seal or grommet) for Cummins diesel engines.
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Fits various Cummins engine models (e.g., ISX, ISM, ISL, ISC) that use rocker cover isolator seals with OEM part numbers 3935449, 3928406, 3930543. Verify compatibility with your engine serial number.
Part data verified against 5 catalog sources
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It fits around the valve cover bolts to seal the bolt holes and prevent oil leaks from the rocker cover area. These seals are typically replaced when hardened or cracked, often during valve cover gasket jobs, to stop oil seepage around the valve cover bolts.
Part Number: 136041
BOLT SEAL
Vendor: PAI Industries
Dealer: Knox Trailers
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