Shop 2003 Volkswagen Jetta GLI Cap. Reservoir. 1.8 LITER. 1.8 LITER 180 HORSEPOWER. 1.8 LITER 225 Foreign - OEM Volkswagen Part # 3B0121321 (3B0-121-321)

1.8 LITER. 1.8 LITER 180 HORSEPOWER. 1.8 LITER 225 HORSEPOWER. 1.8 LITER TURBO. 1.9 LITER. 1.9 LITER 1998-03. 1.9 LITER 1999-2003. 1.9 LITER 2004-05. 1.9 LITER 2004-06. 1.9 LITER DIESEL 1999-03. 1.9 LITER DIESEL 2004-06. 2.0 LITER. 2.0 LITER 2006-08. 2.0 LITER 2007-08. 2.0 LITER 2008 ALL 2009 W/O AWD. 2.0 LITER, GAS MAIN. 2.5 LITER. 2.7 LITER. 2.8 LITER. 2.8 LITER 1999-02. 2.8 LITER 2003-05. 2.8 LITER MAIN. 2.8 LITER V6. 3.2 LITER. 3.2 LITER MAIN. 3.2 LITER SUPPLY. 4 CYLINDER. 4.2 LITER. 4.2 LITER A4/S4 MAIN. 4.2 LITER MAIN. 4.2 LITER MAIN RS4. 4.2 LITER V8. 6 CYLINDER 2.7 LITER. 6 CYLINDER 2.8 LITER. A cover that prevents foreign debris from entering the container. AUXILIARY. Cap for the Hybrid Inverter Coolant Reservoir. Includes: Expansion Tank Cap Seal. Location-Auxiliary Reservoir. Location-Primary Reservoir. Location-Reservoir. To 09/30/2013. cover. Drive Motor Inverter Coolant. Engine Coolant. Expansion tank. Radiator. Included with: Reservoir.

Engine Coolant Expansion Tank - Repair or Replace
A failed expansion tank can cause the cooling system in your 2003 Volkswagen Jetta GLI to leak antifreeze, or it can cause your engine to overheat. If you're losing coolant, contact our service department to avoid engine damage.