Engine Computer for 2021 Chevrolet Silverado 1500 HD

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There are 8 choices for the 2021 Chevrolet Silverado 1500 HD Engine Computer !!!
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Diesel Control (beside 12v battery) (glow plug control)
Electronic Control Module (left hand front engine compartment) 2.7L
Electronic Control Module (left hand front engine compartment) 3.0L
Electronic Control Module (left hand front engine compartment) 4.3L
Electronic Control Module (left hand front engine compartment) 5.3L ID 12711852
Electronic Control Module (left hand front engine compartment) 5.3L ID 12711867
Electronic Control Module (left hand front engine compartment) 6.2L ID 12711852
Electronic Control Module (left hand front engine compartment) 6.2L ID 12711867