06H121026 Water Pump & Thermostat for Audi A3 A4 A5 VW CC Tiguan GTI 1.8T 2.0T

Product Overview

This aftermarket replacement water pump and thermostat kit is intended for the listed Audi A3, A4, A5, Volkswagen CC, Tiguan, and Golf GTI 1.8T and 2.0T applications and cross-references part number 06H121026. A water pump circulates coolant through the engine cooling system, while a thermostat regulates coolant flow to help the engine reach and maintain normal operating temperature.

Key Features & Performance

• Water pump moves coolant through the engine cooling system to support normal temperature regulation.
• Thermostat controls coolant flow between the engine and radiator based on operating temperature.
• Cross-references part number 06H121026 as supplied in the listing title.
• Supplied as a combined water pump and thermostat assembly for the listed engine applications.
• Suited for cooling system service on the Audi and Volkswagen 1.8T and 2.0T applications listed in the title.

Fitment & Compatibility

• for Audi A3 1.8T and 2.0T applications
• for Audi A4 1.8T and 2.0T applications
• for Audi A5 1.8T and 2.0T applications
• for Volkswagen CC 1.8T and 2.0T applications
• for Volkswagen Tiguan 1.8T and 2.0T applications
• for Volkswagen Golf GTI 1.8T and 2.0T applications

Common Uses

• Replacing a water pump that is leaking, noisy, or no longer circulating coolant correctly.
• Replacing a thermostat that is sticking open or closed and affecting cooling system operation.
• Performing cooling system maintenance on the listed Audi and Volkswagen engine applications.

Technical Specifications

• Product Type: Water Pump and Thermostat Assembly
• Part Number(s): 06H121026
• Model Application(s): Audi A3, Audi A4, Audi A5, Volkswagen CC, Volkswagen Tiguan, Volkswagen Golf GTI
• Engine Application(s): 1.8T, 2.0T
• General Application: Engine cooling system

Frequently Asked Questions

Q: What does a water pump and thermostat assembly do? A: The water pump circulates coolant through the engine cooling system, and the thermostat regulates coolant flow to help the engine reach and maintain its normal operating temperature.

Q: How do I verify fitment? A: Confirm that the existing part number 06H121026 matches the original component and that the complete equipment model and engine designation match the Audi or Volkswagen applications listed in the title before purchasing.

This is an aftermarket replacement part and is not represented as genuine or original equipment. Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number, model year, or existing part number. Verify fitment before purchase.