Denso narrow-band Oxygen (O2) Sensor with 4 wire 14.76 inch long wiring harness Part Number: 234-4669 Application: Cadillac: ((03-06 Escalade Base/ESV/EXT)) / Chevrolet: ((03-06 Avalanche 2500/Silverado 1500/Silverado 3500/Suburban 2500), 10-15 Camaro, (14-17 Caprice/SS), 09-13 Corvette, (07 Silverado 1500 Classic/Silverado 1500 HD Classic/Silverado 2500 HD Classic/Silverado 3500 Classic), 03 & 05-06 Silverado 1500 HD, 03-04 Silverado 2500, 03-12 Silverado 2500 HD, 07-14 Silverado 3500 HD, 06 Suburban 1500) / GMC: ((03-06 Sierra 1500/Sierra 2500 HD/Sierra 3500/Yukon/Yukon XL 1500/Yukon XL 2500), (07 Sierra 1500 Classic/Sierra 1500 HD Classic/Sierra 2500 HD Classic/Sierra 3500 Classic), 03 & 05-06 Sierra 1500 HD, 03-04 Sierra 2500, 07-14 Sierra 3500 HD) / Hummer: (03-06 H2) Parts Interchange: 12572705, 12617332 Corrosion-resistant stainless steel construction PTFE filter blocks efficiency-robbing contaminants Refined zirconia element improves sensor response Package Quantity: 1 Item Dimensions: 5.75 x 2.19 x 1.88 Inches Item Weight: 0.25 Pounds