O2 Oxygen Sensor Upstream & Downstream 213-4229 234-4668 for Buick

Key features

• Functional Performance - High-performance O2 sensors (upstream & downstream) help resolve check engine light issues and optimize fuel efficiency. Direct-fit replacement ensures smooth engine operation and reliable sensor readings.
• Precision Fit & Reliability - 4-wire connectors (Female 213-4229 & Male 234-4668) match listed vehicles, helps maintain reliable performanceing “sensor not detected” errors. Engineered to meet OEM standards, reducing premature failure issues reported by customers.
• Vehicle Compatibility - For Buick: Allure 2005-2009, Enclave 2008, LaCrosse 2005-2009, Lucerne 2007-2011; For Cadillac: Escalade 2003-2014, CTS 2004-2015, DeVille 2000-2005; For Chevy: Avalanche 2003-2013, Silverado (see description for full list)
• Durability & Design - Silver alloy joints and protective layers extend sensor lifespan. Designed for consistent performance to maintain engine efficiency and helps maintain reliable performance downstream sensor issues noted in past reviews.
• TIPS - Verify compatibility by comparing images and vehicle details. Fits ONLY models listed. For assistance, refer to the product description or seller profile.

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