NEW GENUINE 12691899 Turbocharger Coolant Line Return Pipe 2017-2023 Chevrolet Silverado 2500 3500

NEW Genuine GM Turbocharger Coolant Line Return Pipe
GM Part Number: 12691899
Chevrolet Silverado GMC Sierra 2500HD 3500HD Duramax (2017–2023)

Brand new genuine GM turbocharger coolant line return pipe.
Designed to return coolant from the turbocharger cooling system to maintain correct operating temperatures and cooling performance.
Manufactured to OEM specifications for correct fitment and durability.

Suits 6.6L Duramax diesel engines only.

Sold individually.

Compatibility

Chevrolet Silverado (2017–2023)
Engine: 6.6L Duramax diesel
2500HD and 3500HD models

GMC Sierra (2017–2023)
Engine: 6.6L Duramax diesel
2500HD and 3500HD models

Notes

Turbocharger coolant line return pipe
Suits 6.6L Duramax diesel engines only
Cooling system component
Genuine GM OEM part
Not aftermarket or reconditioned

Please confirm part number and vehicle configuration before purchase to ensure correct fitment.