Dorman 917-033 Knock Sensor Harness DIRECT REPLACEMENT: This Dorman knock sensor harness is specifically engineered to match or exceed the original design and performance of the original knock sensor harness on select Buick Rainier, Cadillac CTS, Cadillac Escalade, Chevrolet Avalanche, Chevrolet C3500, Chevrolet Camaro, Chevrolet Silverado, Chevrolet Suburban, Chevrolet Tahoe, and Chevrolet Trailblazer vehicles. QUALITY MATERIALS: Manufactured from high-quality cooper to resist corrosion of the wiring harness for a longer service life. SATISFIES INSPECTION: This is an immediate must-fix item for vehicles in states that must comply with emissions regulations. QUALITY-TESTED: This part has undergone extensive vehicle try-on and durability testing to ensure a trouble-free performance. ENSURE FIT: To make sure this fits your exact vehicle, input your year, make, model and trim into the Amazon Garage. Original Equipment (OE) Number: 12601822