Shop OEM General Motors Part # 15793368 (15271539, 22734420). Engine Coolant Reservoir. 2.2 LITER, 2004-05. 2.2 LITER, 2006-08. 2.4 LITER. 3.5 LITER, 2004-06. 3.5 LITER, 2005-06. 3.9 LITER. 3.9 LITER

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

Engine Coolant Reservoir

Fits G6, Malibu

2.2 LITER, 2004-05. 2.2 LITER, 2006-08. 2.4 LITER. 3.5 LITER, 2004-06. 3.5 LITER, 2005-06. 3.9 LITER. 3.9 LITER, 2006. Malibu, Malibu Maxx.
Engine Coolant Expansion Tank - Repair or Replace
A failed expansion tank can cause the cooling system in your to leak antifreeze, or it can cause your engine to overheat. If you're losing coolant, contact our service department to avoid engine damage.