The 06K 121 111P Water Pump and thermostat assembly is an integrated OE supplier kit engineered for select Volkswagen and Audi EA888 2.0T TSI/TFSI engines. This complete module restores factory-spec coolant circulation and precise temperature regulation in a single direct-fit replacement. Includes all required seals, O-rings, and hardware for a complete installation.
$225.00
2 in stock
The 06K 121 111P Water Pump and thermostat assembly is an integrated OE supplier cooling kit designed for select Volkswagen and Audi EA888 2.0T TSI/TFSI engines. Combining the mechanical coolant pump and electronically controlled thermostat into a single housing, this module manages both coolant circulation and temperature regulation simultaneously — enabling rapid engine warm-up, stable operating temperature, and reliable protection against overheating on high-mileage turbocharged engines.
This kit is sourced from an OE-grade supplier, meaning the 06K 121 111P meets the same engineering standards as the original factory assembly. The housing geometry, impeller design, and thermostat calibration are matched to OEM specifications, ensuring direct bolt-on fitment using original hose connections and sensor ports. The kit includes all required O-rings, seals, and hardware for a complete single-service installation.
Integrated water pump and thermostat assemblies on EA888 engines are a well-documented failure point as mileage increases. Early warning signs include a coolant smell or pink residue around the pump housing, low coolant warnings, and intermittent overheating. As the condition progresses, stored fault codes related to thermostat performance and visible coolant seepage at the housing seam or sensor ports become common. In some cases, internal impeller degradation causes inadequate coolant flow without any visible external leak, leading to overheating under load. When these symptoms appear, replacing the complete assembly immediately is the safest course of action to protect the engine.
OEM Reference: 06K 121 111P
OE-grade supplier kit — manufactured to factory engineering specifications
Integrated water pump and electronically controlled thermostat in one assembly
OE-matched impeller design for factory-spec coolant flow
Factory-calibrated thermostat for precise temperature regulation
Includes all required O-rings, seals, and hardware
Retains original hose connections and sensor ports
Direct bolt-on replacement — no modifications required
Proven solution for EA888 housing leaks, overheating, and thermostat fault codes
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. Given the labor involved in accessing this assembly, it is also recommended to inspect nearby plastic coolant fittings and hose connections for signs of heat fatigue and replace as needed.
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 198 111P
06K 121 011
06K 121 011B
06K 121 011C
06K 121 111M
06K 121 111N
06K 121 441
06K 121 513B
06L 121 005A
06L 121 012A
| Weight | 4.8 lbs |
|---|---|
| Dimensions | 10.5 × 8.5 × 7.0 in |
| Year | Make | Model | Engine | Notes |
|---|---|---|---|---|
| 2013-2017 | Volkswagen | Beetle | 2.0L | |
| 2016-2018 | Volkswagen | Jetta | 1.8L | |
| 2013-2016 | Volkswagen | Jetta | 2.0L | |
| 2014-2017 | Volkswagen | Passat | 1.8L |
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