Seal Kit
The PAI 136066 Seal Kit delivers everything needed for a clean and precise front-end seal on Cummins N14 engines. Designed for large accessory drive applications, it includes the front cover seal, upgraded dust seal, and an installation tool directly dropping in for OEM part numbers 3800616 and 3803720. Backed by a 2-year unlimited mileage warranty, this kit ensures long-lasting reliability. Available exclusively from Wofford Truck Parts.
$13.91
Specifications
For dependable sealing on Cummins N14 accessory drives, the PAI Industries 136066 Seal Kit is your go-to solution. This kit includes a front cover seal, dust seal with enhanced lip design to fit flush with pulley faces, and a tool for proper installation. Replacing OEM references 3800616 and 3803720, it also appears in larger gasket kits 131539 and 131595. Made in the USA under ISO 9001 manufacturing processes and backed by a 2-year unlimited mileage warranty, this kit brings industrial-grade reliability and service perfection to your Cummins N14 vehicles. Available now through Wofford Truck Parts.
Compatibility
Freightliner (Classic / FLD series) — mid-1980s to early 2000s
Kenworth W900 / T600 / T800 — mid-1980s to early 2000s
Peterbilt 377 / 378 / 379 — mid-1980s to early 2000s
International 9400 / 9900 / PayStar — mid-1980s to early 2000s
Mack CL / RD series (N14-equipped) — 1990s–early 2000s
Western Star 4900 / 5964 — 1990s–early 2000s
Alternative Part Numbers
Cummins 3803720
CUP136066
CUM3800616
PAI 136066
