US Motor Works US11003 Engine Auxiliary Water Pump

Engine Auxiliary Water Pump for Audi and Volkswagen

US Motor Works US11003 is an engine auxiliary water pump for select Audi and Volkswagen applications. It is listed for vehicles such as the Audi TT, TT Quattro, A6 Quattro, Allroad Quattro, S4, and Volkswagen Golf and Jetta, giving buyers a direct-fit reference for common import cooling system repairs.

Key Features

• Brand: US Motor Works
• Brand line: Engine Water Pump
• Part number: US11003
• Category: Belts and Cooling > Water Pump and Related Components
• Engine auxiliary water pump application
• Cross-reference: Gates 41511E

Application Details

This US Motor Works US11003 water pump is used in cooling system service where auxiliary coolant circulation is required. It cross-references Gates 41511E for the same application. Compatible vehicle coverage includes Fits 2002-2006 Audi TT, N/A; Fits 2001-2006 Audi TT Quattro, N/A; Fits 2002-2006 Volkswagen Golf, N/A; Fits 2002-2005 Volkswagen Jetta, N/A; Fits 2000-2002 Audi A6 Quattro, N/A; Fits 2001-2002 Audi Allroad Quattro, N/A; and Fits 2000-2002 Audi S4, N/A. The US11003 part number is also useful when matching replacement cooling components by catalog reference.

What It Helps Address

• Coolant circulation concerns in the auxiliary cooling circuit
• Overheating caused by a failing water pump
• Noisy or worn pump operation
• Cooling system performance loss during engine operation
• Replacement of a leaking or damaged pump assembly

Installation Notes

Verify the vehicle year, make, model, and engine cooling configuration before ordering. Match the original pump reference and confirm the connector, hose routing, and mounting style against the removed part. For best results, inspect related cooling system components during service and follow the vehicle manufacturer’s repair procedure.

Quality Assurance

US Motor Works identifies this component under its Engine Water Pump product line for import cooling system applications. Confirm fitment by VIN or original part number when servicing Audi TT, Audi TT Quattro, Volkswagen Golf, Volkswagen Jetta, Audi A6 Quattro, Audi Allroad Quattro, or Audi S4 models.