Update your engine to a Best Gasket rubber lip rear main seal. These seals are the highest quality seals available for the Willys application.

Jeep V-6 Rear Main Seal

This two-piece rubber rear main seal is a top notch replacement for the OEM seal. The Buick V-6 was used in Buick, Olds, Pontiac, Jeep-Willys automobiles for many years. Fits Buick V-6 3.0L – 4.1L (181- 252 CID) ‘64 –‘90

RMS12 Buick V-6 Rear Main Seal .........................................................$19.99

Jeep V-6 Hi-Flow Water Pump

Buick 3 5/8 inch tall CW Flowkooler™ aluminum water pump features CNC machined billet impeller designed with an increased vane count and a tighter impeller clearance achieving greater flow rates, higher head pressure and a more efficient flow. Fits 225 '66 - '71 (including Jeep & Olds)