Engine Computer for 2003 Chevrolet Silverado

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There are 15 choices for the 2003 Chevrolet Silverado Engine Computer !!!
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SILVERADO 1500 PICKUP Electronic Control Module (left hand front under battery) 4.3L
SILVERADO 1500 PICKUP Electronic Control Module (left hand front under battery) Without 4.3L
SILVERADO 1500 PICKUP Throttle Control (left hand firewall)
SILVERADO 2500 PICKUP Compressed Natural Gas (CNG) (Passenger Side front engine compartment)
SILVERADO 2500 PICKUP Electronic Control Module (left hand front under battery) diesel
SILVERADO 2500 PICKUP Electronic Control Module (left hand front under battery) gasoline 6.0L
SILVERADO 2500 PICKUP Electronic Control Module (left hand front under battery) gasoline 8.1L
SILVERADO 2500 PICKUP Fuel Injection Control (6.6L turbo diesel) (on Passenger Side valve cover)
SILVERADO 2500 PICKUP Throttle Control (left hand firewall)
SILVERADO 3500 PICKUP Compressed Natural Gas (CNG) (Passenger Side front engine compartment)
SILVERADO 3500 PICKUP Electronic Control Module (left hand front under battery) diesel
SILVERADO 3500 PICKUP Electronic Control Module (left hand front under battery) gasoline 6.0L
SILVERADO 3500 PICKUP Electronic Control Module (left hand front under battery) gasoline 8.1L
SILVERADO 3500 PICKUP Fuel Injection Control (6.6L turbo diesel) (on Passenger Side valve cover)
SILVERADO 3500 PICKUP Throttle Control (left hand firewall)