234-4940 Upstream OEM Oxygen (O2) Sensor Compatible with Chevy Silverado 1500, GMC Sierra 1500, Yukon, Suburban, Tahoe, Escalade ESV, Replaces 12659516

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• Vehicle Fitment (12659516 Upstream O2 Sensor): Please check Amazon Fitment Filter and Description to see if this item will work on your vehicle before purchase.
• Reference Number (Part Number or OE Number): 234-4940, 2344940, 12659516, 234 4940
• OEM Quality: Crafted from premium materials with exceptional durability, the NECATUO O2 Sensor guarantees a prolonged service life. This high-quality sensor not only enhances engine performance and fuel economy but also extends the lifespan of the Catalytic Converter.
• Easy Installation: Manufactured to exact OE specifications for perfect fit, form, and function, our products are built to be durable and offer easy installation.
• Vehicle Fitment: Compatible with CADILLAC ESCALADE 2015-2020;CHEVROLET SILVERADO 1500 2014-2019;CHEVROrolet SUBURBAN 2015-2020;CHEVROLET TAHOE 2015-2020;GMC SIERRA 1500 2014-2018;GMC SIERRA 1500 LIMITED 2019;GMC YUKON 2015-2020;GMC YUKON XL 2015-2020