Water Pump – 06K 121 011C (Graf)

Description

The 06K 121 011C Water Pump is an OE-quality replacement cooling component manufactured by Graf for select Volkswagen and Audi EA888 1.8T and 2.0T TSI/TFSI engines. Driven by the accessory belt, this pump continuously circulates coolant through the engine and radiator, maintaining the correct operating temperature and protecting the turbocharged engine from overheating under normal and demanding driving conditions.

Graf is a globally recognized OE cooling system supplier trusted by European automakers. The 06K 121 011C is engineered to match the original factory pump in every critical dimension — from the precision aluminum housing to the correctly profiled impeller — ensuring factory-spec coolant flow rates and leak-free sealing from day one. The high-quality bearing and mechanical seal assembly provides quiet, long-term service life, and the unit includes a gasket or O-ring for a complete, properly sealed installation.

Signs Your 06K 121 011C Water Pump Needs Replacing

A failing water pump on EA888 engines shows recognizable warning signs before complete failure. The most common symptoms include coolant leaks at the weep hole or sealing surface, bearing noise or roughness during engine operation, visible shaft play, and unexpectedly rising coolant temperature readings. On turbocharged engines, reduced coolant flow places added thermal stress on critical components, accelerating wear and increasing the risk of overheating damage. When these symptoms appear, replacing the unit immediately is the safest course of action to protect the engine.

Key Features

• OEM Reference: 06K 121 011C

• Brand: Graf — globally trusted OE cooling system supplier

• Precision aluminum housing for accurate fit and leak-free sealing

• Correct impeller geometry for factory-spec coolant flow

• High-quality bearing and mechanical seal for quiet, long service life

• Includes gasket or O-ring

• Direct bolt-on replacement — no modifications required

Service Notes

Refill with VW/Audi-approved G12++ or G13 coolant and bleed the cooling system thoroughly after installation. Inspect the accessory belt and tensioner during the same service interval; many technicians replace these components together for a complete cooling system refresh and to maximize labor efficiency.

Compatibility & Applications

Always verify fitment by VIN before ordering. Engine variant and production date may affect compatibility within the same model year; confirm applicability for your specific vehicle before purchase.

Cross Reference Numbers

• 06K 121 011

• 06K 121 011B

• 06K 121 011C

Additional information