View our Specials! Coupon Code: SaveIn2026
Looking for aftermarket parts to modify or upgrade your 2002 GMC Envoy with oxygen sensors? At Tunersports.com we carry a huge selection of the top name brand performance oxygen sensor parts and accessories.
 OUT OF STOCK 21044NTK is the world's largest supplier and manufacturer of OEM oxygen sensors. Oxygen sensors play a critical role as part of the vehicle's on-board diagnostic system in maintaining optimal engine performance, maximizing fuel efficiency and reducing harmful emissions. Providing constant closed loop fee... NGK Buick Rainier 2005-2004 Direct Fit Oxygen Sensor 2002-2005 GMC Envoy SLE / SLT $68.20 |
 OUT OF STOCK 21049NTK is the world's largest supplier and manufacturer of OEM oxygen sensors. Oxygen sensors play a critical role as part of the vehicle's on-board diagnostic system in maintaining optimal engine performance, maximizing fuel efficiency and reducing harmful emissions. Providing constant closed loop fee... NGK Chevrolet Astro 2005-2003 Direct Fit Oxygen Sensor 2002-2003 GMC Envoy SLE / SLT $73.78 |