Oxygen Sensor Replacement for 2006-2007 Chevrolet Silverado 1500/Tahoe/Suburban, GMC Sierra 1500/Yukon/XL, Cadillac Escalade/ESV/EXT, 4 PCS O2 Sensor Upstream and Downstream, Heated 4-Wire

Key Features ✔ Support Proper Engine Operation & System Stability A malfunctioning oxygen sensor may be associated with drivability concerns and Check Engine Light warnings. This upgraded oxygen sensor is designed to: * Provide consistent oxygen signal feedback to the ECU * Support proper air-fuel ratio monitoring * Help maintain stable engine operation * Deliver consistent sensor response during normal driving conditions * Address common oxygen sensor–related warning indicators ✔ Fast Warm-Up & Stable Sensor Response * Rapid heating for quicker sensor activation * Reliable performance after cold starts * Consistent signal output under varying driving conditions * Stable response during city and highway driving * Designed for continuous post-start operation ✔ Durable Construction for Exhaust Environments * Advanced porous ceramic protective layer * Designed for stable signal performance over time * Suitable for high-temperature operating environments * Engineered to withstand vibration and thermal cycling * Built for long-term durability and reliable operation ✔ OEM-Quality Fit & Reliable Replacement * Manufactured to OEM design and production standards * Fully automated manufacturing with functional testing * Direct-fit replacement with no modifications required * OE-style connectors for secure installation * Consistent quality and dependable performance Replaces OE Number: 234-4018 234-4112 234-4337 234-4087 25161130 25161131 25164983 25312196 AFS123 AFS98 AFS97 ES20002 234-4087 13444 12578459 12587214 19178921 19178924 SG277 250-24018 25312203 25315373 5S3120 13474 21539 ES20000 2344018 19178116 19178945 251313961 25161128 SU1293 SG272 25163080 25164488 25312194 25312201 ✔ Wide Vehicle Compatibility Fits for Cadillac 2007–2007 Escalade V8 6.2L 2007–2007 Escalade ESV V8 6.2L 2007–2007 Escalade EXT V8 6.2L Fits for Chevrolet 2007–2007 Avalanche V8 5.3L 2007–2007 Avalanche V8 6.0L 2007–2007 Silverado 1500 V6 4.3L 2006–2006 Silverado 1500 V8 4.8L 2007–2007 Silverado 1500 Classic V6 4.3L 2007–2007 Silverado 1500 Classic V8 4.8L 2007–2007 Suburban 1500 V8 5.3L 2007–2007 Suburban 1500 V8 6.0L 2007–2007 Suburban 2500 V8 6.0L 2006–2007 Tahoe V8 4.8L 2007–2007 Tahoe V8 5.3L Fits for GMC 2007–2007 Sierra 1500 V6 4.3L 2006–2006 Sierra 1500 V8 4.8L 2007–2007 Sierra 1500 Classic V6 4.3L 2007–2007 Sierra 1500 Classic V8 4.8L 2006–2007 Yukon V8 4.8L 2007–2007 Yukon V8 5.3L 2007–2007 Yukon V8 6.2L 2007–2007 Yukon XL 1500 V8 5.3L 2007–2007 Yukon XL 1500 V8 6.0L 2007–2007 Yukon XL 1500 V8 6.2L 2007–2007 Yukon XL 2500 V8 6.0L Fits for Hummer 2007–2007 H2 V8 6.0L ✔Part Includes : 2 * O2 Sensor Upstream 2 * O2 Sensor Downstream

• 【Wide Vehicle Compatibility】: Compatible with Chevrolet Silverado 1500 (2006–2007), Chevrolet Tahoe (2006–2007), Chevrolet Suburban 1500 / 2500 (2007), GMC Sierra 1500 (2006–2007), GMC Yukon / Yukon XL (2006–2007), and Cadillac Escalade / Escalade ESV / Escalade EXT (2007). Please use the 'Amazon Confirmed Fit' tool to verify your vehicle before purchasing.
• 【OEM Design & Precision Manufacturing】: Engineered to meet or exceed OEM design and process standards. Manufactured on fully automated production lines with precise process control and in-line automated inspection, ensuring 100% tested performance for consistent quality and reliable operation.
• 【 Fast Heating & Rapid Sensor Activation】: Features an innovative symmetrical chip structure that positions the heating element closer to the signal circuit, significantly improving heat transfer efficiency. Delivers faster warm-up and quicker sensor activation for improved cold-start response. Provides stable and accurate oxygen content feedback to the ECU, helping optimize air-fuel ratio, improve fuel efficiency, and maintain smooth engine performance.
• 【Durable Construction for Exhaust Environments】: Constructed with a co-fired porous ceramic protective layer using premium imported materials from Japan and France. Designed to maintain stable sensor performance and signal consistency over extended use in high-temperature exhaust environments.
• 【Hassle-Free Installation】: Designed as true direct-fit replacements with OE-spec connectors and pre-coated anti-seize threads, these sensors install quickly and securely without modifications. The complete harness system arrives ready for plug-and-play installation, saving you time and frustration.