2015 Gmc Sierra 2500 HD 6.6L Duramax V8 DIESEL A/T RWD SLE Standard Cab Pickup Fleetside Engine Coolant Reservoir - 84257137

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2015 GMC Sierra 2500 HD 6.6L Duramax V8 DIESEL A/T RWD SLE Standard Cab Pickup Fleetside

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Engine Coolant Reservoir

Part Number: 84257137
Supersession(s): 84138913; 84174037; 84214124

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Tank. Reservoir. Assembly - Radiator Surge. Engine Coolant. Recovery.
A container that holds Engine Coolant.

Engine Coolant Reservoir

Fits Sierra 2500 HD, Sierra 3500 HD, Silverado

6.6 LITER DIESEL, 2017-19. Silverado, Sierra; w/Diesel.
Engine Coolant Expansion Tank - Repair or Replace
A failed expansion tank can cause the cooling system in your 2015 GMC Sierra 2500 HD to leak antifreeze, or it can cause your engine to overheat. If you're losing coolant, contact our service department to avoid engine damage.

COOLING SYSTEM. COOLING FAN. RADIATOR. WATER PUMP.

Full Diagram

Sierra; 6.0L; Inlet. Sierra; 6.0L; Lower. Sierra; 6.0L; Upper. Sierra; 6.6L; 180 Degrees. Sierra; 6.6L; 185 Degrees. Sierra; 6.6L; Inner. Sierra; 6.6L; Outer. Sierra; w/Diesel. Sierra; w/o Diesel.

Sierra; w/Diesel. Silverado.