Vehicle Fitment: 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.
OE Number:12580426/88894361
Product Features: The nozzle features efficient fuel injection and high impedance coils for good performance.
Installation Steps: Professional installation is highly recommended. We also suggest that you inspect the other components of the engine prior to installation and tune the engine after installation.