Automost 4Pcs Oxygen Sensor Upstream & Downstream 234-4669, 234-4407 Compatible for 2003-2007 Chevy Silverado 1500 2500 3500 GMC Sierra Yukon XL Cadillac Escalade 6.0L

Automost 4Pcs Oxygen Sensor Upstream & Downstream 234-4669, 234-4407 Compatible for 2003-2007 Chevy Silverado 1500 2500 3500 GMC Sierra Yukon XL Cadillac Escalade 6.0L

• [Compatibility-1]: Compatible for Chevrolet: Silverado 1500 2003-2006 6.0L; Silverado 1500 2500 Classic 2007 6.0L; Silverado 2500 3500 2003-2007 6.0L; Silverado 3500 Classic 2007 6.0L 8.1L; Suburban 1500 2006 6.0L; Suburban 2500 2003-2006 6.0L 8.1L; Compatible for Cadillac Escalade 2003-2006 6.0L;
• [Compatibility-2]: Compatible for GMC: Sierra 1500 2003-2006 6.0L; Sierra 1500 2500 3500 Classic 2007 6.0L; Sierra 2500 2003-2006 6.0L 8.1L; Sierra 3500 2003-2007 6.0L 8.1L; Yukon 2003-2006 6.0L; Yukon XL 1500 2003-2006 6.0L; Yukon XL 2500 2003-2006 6.0L 8.1L; Compatible for Hummer H2 2003-2006 6.0L;
• [Replacement Part Numbers]: 234-4669, 234-4407. Check part numbers to ensure an exact match.
• [Function]: Monitors the oxygen level to help manage fuel combustion—essential for resolving issues like poor fuel economy, rough idling, or a lit check engine light due to faulty upstream or downstream sensor readings.
• [Confidence with Coverage]: Includes both upstream and downstream sensors, coverage for lasting performance and peace of mind on the road.