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PAI · Brakes & Wheel End
331395
In stock · ships from Knoxville
This is an oil cooler gasket kit for Caterpillar 3406E, C15, C16, and C18 diesel engines.
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Verified fitment for 4 applications
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Caterpillar
Caterpillar
Fits engines with 6NZ serial number prefix (C15/C16) and other C-series engines as listed.
Part data verified against 5 catalog sources
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It includes all the necessary O-rings and gaskets to reseal the engine oil cooler assembly, preventing leaks between oil and coolant passages. The kit is commonly used during engine overhauls, oil cooler replacement, or when diagnosing oil-in-coolant or coolant-in-oil contamination. PAI's 331395 kit matches OEM reference 1891814 and is suitable for engines with the 6NZ serial number prefix.
Part Number: 331395
OIL COOLER SEAL KIT CAT 6NZ
Dealer: Post Onsite
Compatibility, alternatives, and more
Parts commonly needed alongside brakes & wheel end
