Genuine GM Crankshaft Rear Oil Seal – OEM 12591866 For Chevrolet, GMC, Cadillac, Buick, Pontiac

Got an oil leak at the back of your engine?

This genuine GM crankshaft rear oil seal (part #12591866) is what you need.

It's OEM, so it's the same quality as the one that came from the factory.

Fits a bunch of GM vehicles—Chevrolet, GMC, Cadillac, Buick, Pontiac—you name it.

Placement is rear, so it's the main rear seal.

Brand new in the box, includes just the seal, but that's all you need.

Stop the drip and keep your engine happy.

Easy fix with genuine GM parts.

Grab it and get back on the road!