2Pcs Upstream Oxygen Sensor 234-4669 Compatible with Chevy Silverado 1500 2500 3500 HD GMC Sierra Yukon XL Cadillac Escalade 6.0L 8.1L Heated O2 Sensor (2Pcs 234-4669)

Ensure your engine runs smoothly with the Athousliz 2Pcs Upstream Oxygen Sensor 234-4669.Designed for select Chevy, GMC, and Cadillac models (6.0L/8.1L engines), this OE-quality sensor delivers reliable signal performance, restores proper engine operation, and installs easily with a direct-fit design. Built to last with durable materials, it keeps your vehicle performing at its best and helps prevent check engine issues.

• Restores Proper Engine Operation: Helps resolve common issues caused by a faulty oxygen sensor, including rough idle, hesitation, delayed throttle response and check engine warnings, supporting smooth and stable daily driving
• Stable Signal & Durable Design: Features a responsive ceramic sensing element with an integrated heating circuit, combined with a heat-resistant metal housing and reinforced wiring to maintain consistent signal performance under daily driving and exhaust conditions
• Wide Vehicle Compatibility: Upstream oxygen sensor replacement compatible with select Chevrolet, GMC and Cadillac models including Silverado 1500/2500/3500 HD, Sierra, Yukon XL and Escalade (6.0L / 8.1L engines). Please verify fitment by year, model and engine before purchase
• OE-Grade Quality & Durability: Designed to meet OE specifications, this O2 sensor replaces part numbers 234-4669, 12572705, 12600893, 12611870, 12617332, SG1066, providing a precise fit and reliable signal output
• Direct Fit Installation: Designed as a direct replacement with factory-style plug and wiring for a clean connection. No wire cutting or modification required. Installation experience or professional assistance is recommended
• Confidence from a Trusted Auto Brand: Athousliz focuses on dependable automotive sensors designed for long-term use. If you have any questions before or after purchase, our support team is ready to help—your satisfaction matters