Engine Control Module for Chevrolet, Cadillac and GMC vehicles
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This is a stock photo and not the actual part shipped to the customer. This stock photo is for part-compatibility demonstration purposes only.

Electronics & Programmable

Engine Control Module

For Chevrolet, Cadillac and GMC vehicles

OEM Part Numbers

1263323812633055
GitPart Deals Part: Promo Code Eligible

Our price: $80.00

The Hollander Part Description Text appearing is Copyright © 2026 by Hollander, LLC, All rights reserved.

  • Fitments

Electronic Control Module (LH front engine compartment) 6.0L VIN G (8th digit, opt L96)

Electronic Control Module ID 12633238

Electronic Control Module (LH front engine compartment) w/o hybrid option ID 12633238

Electronic Control Module (LH front engine compartment) w/o hybrid option

Electronic Control Module (LH front engine compartment) 6.2L ID 12633238

Electronic Control Module (RH engine compartment) 7.0L (VIN E, 8th digit, opt LS7)

Electronic Control Module 6.2L

Electronic Control Module 6.2L ID 12633238

Electronic Control Module 6.2L VIN W (8th digit opt LS3)

Electronic Control Module 7.0L