To ensure reliability, purchase GM part # 12731971 ARM ASM,EXH VLV RKR. It is sometimes referred to as GM Rocker Arm. 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 Cadillac CT4, CT5 models. It fits Chevrolet Equinox, Silverado. It also fits GMC Sierra, Terrain.
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