Interchange Part Number: 234-4940, 12659516 / 234-4974, 12655678, 12657188
Easy Installation: Plug and Play design for direct replacement and ease of installation,Performs as well as or better than OE
Precise Fitment – Specifically designed for 2014-2018 American full-size SUVs/trucks, including Cadillac Escalade, Chevrolet Silverado/Suburban/Tahoe, and GMC Sierra/Yukon with 4.3L V6, 5.3L/6.2L V8 engines. Covers both upstream and downstream sensor replacements
Complete Kit – Includes 4 high-performance oxygen sensors (2x Upstream 12659516 + 2x Downstream 12657188) to resolve P0135/P0155 error codes, optimize air-fuel ratio, and restore fuel efficiency