QIJIAUTO O2 Sensor for Chevy Silverado Tahoe, Replace 234-4018 | Direct fit for GMC Sierra Yukon, for Buick Century Regal LeSabre, for Pontiac Grand($20.79Value)

Description

Precise O2 Sensor Fitment - Engineered for Buick Century 1997-2000,for Buick LeSabre 1997-2003,for Buick Park Avenue 1997-2003,for Buick Regal 1997-2003,for Chevrolet Camaro 1997-2002,for Chevrolet Silverado 1500 1999-2002,for Chevrolet Tahoe 1996-2002,for GMC Sierra 1500 1999-2002,for GMC Yukon 1996-2002,for Cadillac DeVille 1996-1999. Matches original connector & thread. Check your engine code (VIN 8th digit) & production date before ordering to ensure Precision compatibility. Addresses Common Fuel Inefficiencies - Experiencing fuel mixture imbalances, reduced mileage, or hesitant acceleration? This oxygen sensor delivers stable, precise air-to-combustion ratio data to the ECU, helping restore smooth idle performance and optimal daily driving economy. A properly functioning lambda sensor assists in maintaining the factory fuel trim. Robust, Enduring Construction - Built with a dual-layer ceramic sensing element housed in a double laser-welded stainless steel body. This O2 sensor design withstands extreme under-hood thermal cycling, resists corrosion, and ensures consistent signal output for reliable, long-term engine system operation. Straightforward, Factory-Style Installation - Engineered as a true direct-fit replacement with an exact-match factory connector, pre-coated threads, and a plug-and-play design. This oxygen sensor facilitates a straightforward swap, minimizing installation complexity and supporting smooth, consistent engine performance. Important Fitment Notes - To ensure a correct fit, cross-reference the OEM part number on your original sensor and its position (Upstream/Front vs. Downstream/Rear) with our product images. Use the "Amazon Confirmed Fit" tool—if a blue "i" appears, hover over it for critical notes. Disclaimer: This is an aftermarket replacement part, not made by the vehicle manufacturer. Any mention of vehicle brands, models, or part numbers is for compatibility identification only. Restore your vehicle's engine precision with these premium QIJIAUTO Heated O2 Oxygen Sensors, designed to provide accurate air-fuel ratio monitoring and resolve Check Engine Light (CEL) alerts. This 2-pack set is a direct-fit replacement, compatible with for Buick Century 3.1L 1997-2000, for Cadillac DeVille/Seville 4.6L 1996-2000, for Chevrolet Silverado 1500/2500/3500 1999-2002, for GMC Sierra 1500/2500/3500 1999-2002, for Pontiac Grand Prix 3.1L/3.8L 1997-2003, and many more (see fitment list). Engineered with high-reliability OE specifications, these thimble-type sensors feature a durable multi-layer ceramic core for thermal stability and factory-ready connectors with anti-seize coated threads for effortless, damage-without plug-and-play installation.