2004 Chevrolet Silverado 6.6L Duramax V8 DIESEL A/T RWD 3500 Base Standard Cab Pickup Fleetside Pipe Assembly - Thermostat Bypass. Coolant - 12643769 | GEORGE MATICK CHEVROLET, INC., REDFORD TOWNSHIP MI

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2004 Chevrolet Silverado 6.6L Duramax V8 DIESEL A/T RWD 3500 Base Standard Cab Pickup Fleetside

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2004 Silverado 6.6L Duramax V8 DIESEL A/T RWD 3500 Base Standard Cab Pickup Fleetside: All Products
Search "Pipe Assembly - Thermostat Bypass" for 2004 Silverado 6.6L Duramax V8 DIESEL A/T RWD 3500 Base Standard Cab Pickup Fleetside

Pipe Assembly - Thermostat Bypass.

Part Number: 12643769
Supersession(s): 12703819

View Pipe Assembly - Thermostat Bypass. Full-Sized Product Image 1 of 1

Engine Coolant Bypass PipeEngine Coolant Bypass Hose

Fits Sierra 2500 HD, Sierra 3500 HD

Cooling System Bypass Line - Repair or Replace
If your 2004 Chevrolet Silverado has been either leaking coolant or overheating, you could have a faulty cooling system bypass line. Let our technicians help trace the problem and replace the faulty coolant hose with a genuine Chevrolet part.