037 198 144J – Coolant Flange Kit

Description

The 037198144J Coolant Flange Kit is a comprehensive cooling system solution designed to replace the brittle plastic housing on your engine block. This specific kit serves as a vital junction for coolant flow between the engine and the radiator. Because VW and Audi engineers utilized hard plastic for these piping components, they are naturally prone to thermal degradation over many miles. Consequently, replacing your aging unit with this OEM-quality assembly ensures a high-pressure seal and maintains correct operating temperatures.

Why the Coolant Flange Kit Matters

The cooling system is under constant pressure and extreme temperature cycles during every drive. Over time, the plastic material in the housing becomes dangerously brittle. Failure to replace this component often leads to sudden cracks at the mounting points or hose connections. Consequently, a small leak can rapidly escalate into severe engine overheating. Furthermore, this service solution includes the necessary sealing gaskets to prevent seepage at the cylinder head. Therefore, performing this preventative maintenance protects your engine from warping due to low coolant levels.

Signs of 037198144J Coolant Flange Kit Failure

Inspect your engine bay if you notice any of these symptoms related to the cooling system:

• Pink or orange crusty residue around the plastic flange housing.

• The smell of sweet coolant after the engine has reached operating temperature.

• Puddles of liquid forming on the ground or under the transmission area.

• Low coolant level warnings appearing on the dashboard.

• Visible cracks or warping on the plastic body of the flange.

• Engine temperatures rising higher than the normal center-mark on the gauge.

Key Features

• OE Part Number: 037 198 144 J

• Kit Contents: Includes the main coolant flange and necessary sealing O-rings.

• Fitment: Designed to fit exactly like the stock factory unit without modification.

• Material: Durable plastic construction engineered to withstand extreme heat cycles.

• Performance: Restores proper coolant flow and eliminates pressure leaks.

Service Notes

Always verify fitment by VIN before ordering. When installing the 037198144J Coolant Flange Kit, ensure the engine is completely cold to avoid serious burns. Furthermore, the mating surface on the cylinder head must be polished and free of old gasket debris.

Compatibility

Always verify fitment by VIN before ordering. This kit is standard on many early 4-cylinder Volkswagen gasoline engines.

Cross Reference Numbers

• 037 198 144 J

Additional information