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Cummins · Hardware & Fasteners
3627695CUM
In stock · ships from Knoxville
This is a genuine Cummins O-ring seal (base part 3627695) designed to seal the turbocharger coolant plumbing connections on Cummins 5.9-liter B series diesel engines.
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Verified fitment for 2 applications
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Fitment derived from a distributor’s description referencing BS3 Automotive 5.9L B engines, and a PACCAR parts category linking it to PX-6/PX-8. Exact coverage may vary; confirm against engine serial number if possible.
Part data verified against 5 catalog sources
Numbers this part supersedes or interchanges with. Showing 1 of 1.
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It creates a leak‑tight connection at the turbocharger coolant lines, helping maintain proper cooling and preventing coolant loss. The O-ring is typically replaced during turbocharger service or whenever a coolant leak is observed at the turbocharger connections.
Part Number: 3627695CUM
SEAL
Dealer: Knox Trailers
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