To ensure reliability, purchase GM part # 20837131 Module Assembly, Windshield Wiper System. It is sometimes referred to as GM Wiper Motor, GM Wiper Pulse Module. 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 Chevrolet Silverado models. It fits GMC Sierra.
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