NEW GM 12720006 ENGINE CONTROL MODULE 2017-2021 Chevrolet Silverado 8 Cyl 6.6L Diesel

NEW Genuine GM Engine Control Module (ECM) – Chevrolet Silverado 6.6L Diesel (2017–2021)

GM Part Number: 12720006

GM 12720006 MODULE ASM-ENG CONT (W/ 2ND MPU)

Brand new genuine GM engine control module (ECM) for 6.6L Duramax diesel applications. Supplied in box. Designed to OEM specifications for correct engine management, emissions control, and vehicle operation.

Compatibility:

• Chevrolet Silverado (2017–2021) – 6.6L V8 Duramax Diesel
  • 2500 / 3500 models
  • Crew Cab, Double Cab, Extended Cab, Regular Cab
  • Standard Box, Long Box, and Chassis Cab configurations (¾-Ton & 1-Ton)

• GMC Sierra (2017–2021) – 6.6L V8 Duramax Diesel
  • 2500 / 3500 models
  • Crew Cab, Double Cab, Extended Cab, Regular Cab
  • Standard Box, Long Box, and Chassis Cab configurations (¾-Ton & 1-Ton)

Important Notes:

• Genuine GM ECM — not aftermarket or reprogrammed

• Programming / VIN learn may be required after installation

• Please confirm part number and vehicle application before purchase

This is a genuine GM OEM electronic control component — brand new, not refurbished.