Product Highlights:High-efficient fuel sprays and High Impedance Coils enable fast start-up in cold environments, low fuel consumption, and better performance.
OE Number:12580426/88894361. Direct replace and install, convenient to use.
Vehicle Specific Fit:for GMC Sierra 1500 4.3L 4.8L 5.3L 6.0L Base, Denali, SLE, SLT, WT 02-05, for GMC Sierra 2500 HD 6.0L /6.6L Diesel/ 8.1L SLE, SLT, WT 03-06, for GMC Sierra 3500 SLE, SLT, WT 6.0L /6.6L Diesel/ 8.1L 04-06, for Chevy Silverado 1500 LS, LT, SS, WT 4.3L 4.8L 5.3L 6.0L 03-06, for Chevy Silverado 2500 HD LS, LT, WT 6.0L/6.6L Diesel/8.1L 03-06, for Chevy Silverado 3500 LS, LT 6.0L/6.6L Diesel/8.1L 02-06, for Chevy Suburban 1500 LS, LT 5.3L 02-06
How to use:Professional installation is highly recommended: Fuel injectors directly affect the air/fuel ratio for the engine and new fuel injectors do require a new or updated tune. We also suggest that you check the other component of the engine before installation.