This part will fit these makes and models with these options
EXPRESS 2500 VAN 21 Electronic Control Module; (LH rear engine compartment), 4.3L
EXPRESS 2500 VAN 21 Electronic Control Module; (LH rear engine compartment), 6.6L
EXPRESS 3500 VAN 21 Electronic Control Module; (LH rear engine compartment), 4.3L
EXPRESS 3500 VAN 21 Electronic Control Module; (LH rear engine compartment), 6.6L
SIERRA 1500 PICKUP 19 new style (mirrors mount on door skin), (Electronic Control Module), (LH front engine compartment), 4.3L
SIERRA 1500 PICKUP 20-21 Electronic Control Module; (LH front engine compartment), 4.3L
SIERRA 1500 PICKUP 21 Electronic Control Module; (LH front engine compartment), 5.3L, ID 12711867
SIERRA 1500 PICKUP 21 Electronic Control Module; (LH front engine compartment), 6.2L, ID 12711867
SIERRA 2500 PICKUP 20-21 Electronic Control Module; (LH front engine compartment), gasoline
SIERRA 3500 PICKUP 20 Electronic Control Module; (LH front engine compartment), gasoline
SIERRA 3500 PICKUP 21 Electronic Control Module; gasoline
SIERRA 3500 PICKUP 22 Electronic Control Module; (LH front engine compartment), gasoline
SIERRA DENALI 1500 21 Electronic Control Module; (LH front engine compartment), gasoline, ID 12711867
SIERRA DENALI 2500 20-22 Electronic Control Module; (LH front engine compartment), gasoline
SIERRA DENALI 3500 20-21 Electronic Control Module; gasoline
SIERRA DENALI 3500 22 Electronic Control Module; (LH front engine compartment), gasoline
SILVERADO 1500 PICKUP 19 new style (mirrors mount on door skin), (Electronic Control Module), (LH front engine compartment), 4.3L
SILVERADO 1500 PICKUP 20-21 Electronic Control Module; (LH front engine compartment), 4.3L
SILVERADO 1500 PICKUP 21 Electronic Control Module; (LH front engine compartment), 5.3L, ID 12711867
SILVERADO 1500 PICKUP 21 Electronic Control Module; (LH front engine compartment), 6.2L, ID 12711867
SILVERADO 2500 PICKUP 20-21 Electronic Control Module; (LH front engine compartment), gasoline
SILVERADO 3500 PICKUP 20-21 Electronic Control Module; (LH front engine compartment), gasoline
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