To ensure reliability, purchase GM part # 12479777 Plug,Trans Oil Filler (With O Ring). 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 Escalade models. It fits Chevrolet Avalanche, Silverado, Suburban. It also fits GMC Sierra, Yukon.
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