Seller notes

GM 10 BOLT FRONT PINION SEAL National 8622 Gear lube leaking from the pinion yoke or flange is a likely sign that the seal is worn or damaged. If not repaired, gear lube will leak out and eventually reach a point where the gears and bearings can be damaged. This seal fits the front axle of 1977 and newer GM 1/2 ton and 3/4 trucks that use the 10 bolt solid axle. This is identified by its oval shaped cover. It does NOT fit 10 bolt rear axles. Seal is manufactured by National and is sold individua...

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