[Fitment]: 2-Pack Rear ABS Wheel Speed Sensors, Compatible with 2007-2013 Chevrolet Silverado 1500/Cheyenne, 2011-2014 Silverado 2500, 2010-2013 Silverado 3500; and 2007-2013 GMC Sierra 1500, 2007-2008 Sierra 2500/3500 HD. Direct Replacement for OEM Part Numbers ALS1757 & 20938121. Fits Both Left & Right Sides
[Component Upgrades]: This complete set includes 2 identical rear wheel ABS sensors (left driver side & right passenger side interchangeable). Key Upgrade Features: Precision-engineered for faster response to wheel speed changes, Optimizes anti-lock braking system (ABS) performance, Reduces skidding risks during emergency braking, Maintains vehicle stability on slippery surfaces, Durable construction for extended service life
[Easy Installation]: True plug-and-play design with tool-free connectors and pre-aligned mounts. No programming needed - just remove old sensor (1 bolt) and install new. Left/right interchangeable
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