This is a seal, trfer case selector switch (o ring) (3.682) (acdelco #12386154), for Chevrolet Trucks, Oldsmobile Trucks, Cadillac Trucks, and GMC Trucks automobiles. It fits for 306 General Motors vehicles which were sold in the U.S. from 1966 to 2013. It's a genuine General Motors part with an OEM part number 12386154, and corresponding ACDelco part number 12386154.
This seal has dimensions 0.30 in × 2.50 in × 1.80 in, it has a weight of 1.60 ounces, usually, it comes in a set of 1 item in retail packaging.
This part has a standard 12 months GM warranty on replacement parts, and it may be returned to a dealer.
This seal 100% fits for General Motors cars. It's made of top quality materials, it has passed not only all manufacturer's tests but also General Motors quality control and has to endure rough road conditions over a long time.
In spite of higher price of genuine parts buying this seal will be a smart decision because you will be absolutely sure that it will serve you longer and will provide maximum safety and performance for your car.
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