To ensure reliability, purchase GM part # 12556257 Pipe Assembly, Crankcase Vent Valve. It is sometimes referred to as GM Crankcase Breather Hose, GM PCV Valve Hose. Directly from GM, genuine parts are superb with regards to quality, longevity, and fit. Every single part passed stringent quality testing, so you can be sure that it's safe, durable, and built to perform like your original parts. This part fits specific Buick Roadmaster models. It fits Cadillac Fleetwood. It also fits Chevrolet Camaro, Caprice, Impala. This also fits Pontiac Firebird.
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