Your cart is empty
Browse our catalog to find the parts you need.
These images are illustrative and may not match the product exactly. Always verify by part number — or confirm instantly with the assistant using a photo or VIN.

PAI Industries · Engine
136066
In stock · ships from Knoxville
This seal kit services the large accessory drive on Cummins N14 diesel engines.
Confirm the part fits before you buy. Applications and interchange numbers are researched and audited per part.
Verified fitment for 1 applications
Add your truck to see whether it's one of them
All confirmed applications for this part number.
Other applications
Other applications
Designed for the large accessory drive without wear ring. Not for engines with small accessory drive. Also a component of PAI gasket kits 131539 (3804635) and 131595.
Part data verified against 5 catalog sources
Numbers this part supersedes or interchanges with. Showing 8 of 8.
Different year, make, or config? Get a confirmation against your truck in under a minute.
It includes a front cover oil seal, an updated dust seal (with a 0.050" larger outer lip for improved clearance and longer life), and an installation tool. The kit is used to repair oil leaks from the accessory drive housing and replaces Cummins OEM part numbers 3800616 and 3803720.
Part Number: 136066
ACCESARY DRIVE SEAL KIT
Vendor: PAI Industries
Dealer: Knox Trailers
Compatibility, alternatives, and more