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 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.

Installation Position:

Upstream

Sensor Type:

Heated

OE Number Or Part Numbers:

234-4940, 2344940, 12659516, 234 4940

Fitment

Compatible with Cadillac

For 2015 Escalade (submodel: Base, Luxury, Platinum, Premium) Left or Right Side, Before Catalytic Converter

For 2015 Escalade ESV (submodel: Base, Luxury, Platinum, Premium) Left or Right Side, Before Catalytic Converter

Compatible with Chevrolet

For 2018 Silverado 1500 Custom Before Catalytic Converter, L83 Engine, VIN C; For 2018 Silverado 1500 Custom Before Catalytic Converter, LV3 Engine, VIN H; For 2017 Silverado 1500 Custom Upstream Left;

For 2018 Silverado 1500 LS Before Catalytic Converter, L83 Engine, VIN C; For 2018 Silverado 1500 LTZ Before Catalytic Converter, L83 Engine, VIN C;

For 2018 Silverado 1500 SSV Before Catalytic Converter, L83 Engine, VIN C

For 2016-2017 Silverado 1500 (submodel: High Country, LS, LT, LTZ, SSV, WT) Upstream Left

For 2018 Suburban (submodel: LS, LT, Premier) Before Catalytic Converter, L83 Engine, VIN C

For 2016-2017 Tahoe (submodel: LS, LT, PPV, SSV) Upstream Left

Compatible with GMC

For 2018 Sierra 1500 Base Before Catalytic Converter, L83 Engine, VIN C; For 2018 Sierra 1500 Base Before Catalytic Converter, LV3 Engine, VIN H

For 2018 Sierra 1500 SLE Before Catalytic Converter, LV3 Engine, VIN H; For 2018 Sierra 1500 SLT Before Catalytic Converter, L83 Engine, VIN C

For 2017 Yukon Denali Upstream Left; For 2018 Yukon SLE Before Catalytic Converter, L83 Engine, VIN C

For 2017 Yukon XL Denali Upstream Left; For 2018 Yukon XL SLE Before Catalytic Converter, L83 Engine, VIN C

One year warranty

If the sensor ever fails on your car,simply contact us for a replacement. Save time and money by taking advantage of this warranty.