Up & Downstream O2 Sensor for Chevy Silverado 1500/2500/3500 HD, for GMC Sierra 1500/2500/3500 HD, Escalade, H2, 234-4669 12559850 12561776 Oxygen Sensor Replacement, 1PCS

Direct OE Replacement: Replaces OEM numbers 234-4669, 12572705, 12617332. Ensures seamless installation and reliable performance for both upstream and downstream applications.; Precise Vehicle Fitment -
Specifically engineered: Compatible with Chevy 2003-2017 Silverado 1500/2500/3500 HD ( 6.0L & 8.1L V8), Avalanche 2500 ( 8.1L V8), Suburban 2500 ( 6.0L & 8.1L V8); Compatible with GMC Sierra 1500/2500/3500 HD ( 6.0L & 8.1L V8), Yukon XL 2500 ( 6.0L & 8.1L V8); Compatible with Cadillac Escalade/ESV/EXT ( 6.0L V8); Compatible with Hummer H2 ( 6.0L V8). Also compatible with select Camaro, Corvette, and Caprice models.; Maintain performance
& Durability: The SYKRSS oxygen sensor meets OE standards; is made of stainless steel and high temperature resistant materials and is installed in the vehicle exhaust pipe, heat tolerance, and long-term reliability in harsh conditions.;
Installation Instructions: Precision-engineered to meet OEM specifications for a hassle-free, plug-and-play replacement. To avoid burns, please wait for the vehicle exhaust pipe to completely cool down before operating; During the disassembly process, please be very careful not to damage the exhaust pipe and oxygen sensor threaded parts, and use professional disassembly tools;
Professional Services: Please check the length of the plug and sensor before purchasing to avoid purchasing an unsuitable oxygen sensor; SYKRSS have been deeply involved in the automotive parts industry for many years. If you have any questions