Buy 2007 Gmc Sierra 2500 HD WT Extended Cab Pickup 6.6L Duramax V8 DIESEL A/T RWD Engine Coolant - OEM Gmc Part # 19353729 (15290795, 15808714)

Engine Coolant Reservoir. Recovery tank.
A container that holds Engine Coolant.

Engine Coolant Reservoir

Fits Sierra 2500 HD, Sierra 2500 HD Classic, Sierra 3500, Sierra 3500 Classic, Sierra 3500 HD, Silverado

6.6 LITER TURBO DIESEL.
Engine Coolant Expansion Tank - Repair or Replace
A failed expansion tank can cause the cooling system in your 2007 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.