There are 9 choices

Choose One

Compressed Natural Gas (CNG)
- (Passenger Side front engine compartment)
Electronic Control Module
- (left hand front under battery)
  - diesel
    - VIN 1 (8th digit)
    - VIN 2 (8th digit)
  - gasoline
    - 6.0L
      - ID 12586242
      - ID 12602802
    - 8.1L
Fuel Injection Control
- (6.6L turbo diesel)
  - (on Passenger Side valve cover)
    - VIN 1 (8th digit)
    - VIN 2 (8th digit)
Throttle Control
- (left hand firewall)

Engine Computer for 2004 Chevrolet Silverado 2500

Attention!

There are 9 choices for the 2004 Chevrolet Silverado 2500 Engine Computer !!!
Choose Your Option

Compressed Natural Gas (CNG) (Passenger Side front engine compartment)
Electronic Control Module (left hand front under battery) diesel VIN 1 (8th digit)
Electronic Control Module (left hand front under battery) diesel VIN 2 (8th digit)
Electronic Control Module (left hand front under battery) gasoline 6.0L ID 12586242
Electronic Control Module (left hand front under battery) gasoline 6.0L ID 12602802
Electronic Control Module (left hand front under battery) gasoline 8.1L
Fuel Injection Control (6.6L turbo diesel) (on Passenger Side valve cover) VIN 1 (8th digit)
Fuel Injection Control (6.6L turbo diesel) (on Passenger Side valve cover) VIN 2 (8th digit)
Throttle Control (left hand firewall)

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