NEW GM 2017-2023 Chevrolet Silverado 6.6L Egr Cooler Temperature Sensor (Position 2) 12677346

New Genuine GM Chevrolet Silverado / GMC Sierra EGR Cooler Temperature Sensor (Position 2) – 6.6L Diesel (2017–2023)

GM Part Number: 12677346

Brand new genuine GM EGR cooler temperature sensor (Position 2). Supplied in box and designed to monitor exhaust gas recirculation temperatures for optimal engine performance and emissions control.

Compatibility:

• Chevrolet Silverado (2017–2023) – 6.6L V8 Diesel
  • 2500 / 3500 models (Crew Cab, Double Cab, Regular Cab, Extended Cab, and Chassis variants – all box lengths)
  • Includes 1 Ton and 3/4 Ton configurations

• GMC Sierra (2017–2023) – 6.6L V8 Diesel
  • 2500 / 3500 models (Crew Cab, Double Cab, Regular Cab, Extended Cab, and Chassis variants – all box lengths)

This is a genuine GM OEM part – brand new, not aftermarket or refurbished. Please confirm part number and vehicle configuration before purchase to ensure correct fitment.