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Gates 41521E Engine Auxiliary Water Pump - Heater or To Radiator
Overview of Gates Water Pump (Electric) 41521E
The Gates Water Pump (Electric) 41521E is designed as an auxiliary engine water pump to support optimal cooling performance. Engineered with durable plastic housing and impeller, this electric water pump is compatible with select Audi, Lamborghini, and Volkswagen models, ensuring reliable operation in demanding conditions.
- Plastic housing and impeller for corrosion resistance and lightweight design
- Electric drive style for efficient auxiliary cooling
- Standard impeller rotation for OEM compatibility
- Single outlet configuration
- OE performance rating for dependable fit and function
- Compatible with Audi A3, A3 Quattro, A5, A5 Quattro, Q5, TT, TT Quattro, TTS Quattro
- Compatible with Lamborghini Aventador
- Compatible with Volkswagen Bora, Eos, GTI, Jetta, Jetta City, Passat
Product Line Details: Gates Water Pump (Electric)
The Gates Water Pump (Electric) product line focuses on electric auxiliary water pumps designed to maintain engine cooling efficiency. This line emphasizes OE performance standards, using quality materials such as plastic housings and impellers to provide reliable operation without including additional components like back housing or pulleys. The 41521E model exemplifies this approach by delivering consistent auxiliary cooling support for various European vehicle models.
Technical Description and Features
The Gates 41521E auxiliary water pump features a plastic housing and impeller, which contribute to corrosion resistance and reduced weight compared to metal counterparts. Its electric drive style allows for precise control of coolant flow, supporting the main cooling system during high-demand conditions. The pump’s standard impeller rotation ensures compatibility with original equipment specifications. This model includes a single outlet and does not come with a back housing, fan clutch, or pulley, aligning with its role as an auxiliary component rather than a primary water pump.
Applications and Common Issues Addressed
- Supports engine cooling in Audi A3, A5, Q5, TT series, Lamborghini Aventador, and Volkswagen models
- Helps prevent engine overheating during stop-and-go traffic or high load conditions
- Assists in maintaining consistent coolant circulation when the main water pump is under increased demand
- Addresses auxiliary cooling system failures that can cause temperature fluctuations
- Replaces faulty or worn auxiliary water pumps to restore proper engine temperature regulation
Installation Notes and Tips
When installing the Gates Water Pump (Electric) 41521E, ensure compatibility with your specific vehicle make and model, such as Audi A3 Quattro or Volkswagen Passat. The pump does not include a pulley or back housing, so verify that existing components are in good condition before installation. Proper electrical connections are essential for the electric drive to function correctly. Follow manufacturer torque specifications and coolant system bleeding procedures to avoid air pockets and ensure optimal performance.
Quality Assurance and Warranty
The Gates Water Pump (Electric) 41521E meets OE performance standards, providing reliable auxiliary cooling support. Manufactured with quality plastic materials for durability and corrosion resistance, this pump is designed to maintain consistent operation under typical engine conditions. While specific warranty details are not provided, Gates products generally adhere to industry quality controls and testing protocols to ensure dependable service life.
| Brand | Gates |
| Part Number | 41521E |
| Position | Water Pump (Electric), To Radiator and Heater |
| Housing Material | Plastic |
| Impeller Material | Plastic |
| Impeller Rotation | Standard |
| Includes Back Housing | No |
| Outlet Quantity | 1 |
| Application Description | Auxiliary |
| Contents | Water pump |
| Drive Style | Electric |
| Fan Clutch Included | No |
| OE Comparison Rating | Oe performance |
| Pulley Included | No |
| Type | Electric |
This part fits 41 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2020 | Lamborghini | Aventador | 6.5L | V12 | GAS | Heater | Water Pump (Electric) |
| 2013 | Audi | TT | 2.0L | L4 | GAS | N/A | Water Pump (Electric) |
| 2013 | Audi | TT Quattro | 2.0L | L4 | GAS | N/A | Water Pump (Electric) |
| 2013 | Audi | TTS Quattro | 2.0L | L4 | GAS | N/A | Water Pump (Electric) |
| 2012 | Audi | Q5 | 3.2L | V6 | GAS | N/A | Water Pump (Electric) |
| 2012 | Audi | TT | 2.0L | L4 | GAS | N/A | Water Pump (Electric) |
| 2012 | Audi | TT Quattro | 2.0L | L4 | GAS | N/A | Water Pump (Electric) |
| 2012 | Audi | TTS Quattro | 2.0L | L4 | GAS | N/A | Water Pump (Electric) |
| 2011 | Audi | Q5 | 3.2L | V6 | GAS | N/A | Water Pump (Electric) |
| 2011 | Audi | TT | 2.0L | L4 | GAS | N/A | Water Pump (Electric) |
| 2011 | Audi | TT Quattro | 2.0L | L4 | GAS | N/A | Water Pump (Electric) |
| 2011 | Audi | TTS Quattro | 2.0L | L4 | GAS | N/A | Water Pump (Electric) |
| 2010 | Audi | A5 | 3.2L | V6 | GAS | N/A | Water Pump (Electric) |
| 2010 | Audi | A5 Quattro | 3.2L | V6 | GAS | N/A | Water Pump (Electric) |
| 2010 | Audi | Q5 | 3.2L | V6 | GAS | N/A | Water Pump (Electric) |
| 2009 | Audi | A5 | 3.2L | V6 | GAS | N/A | Water Pump (Electric) |
| 2009 | Audi | A5 Quattro | 3.2L | V6 | GAS | N/A | Water Pump (Electric) |
| 2009 | Audi | Q5 | 3.2L | V6 | GAS | N/A | Water Pump (Electric) |
| 2009 | Audi | TTS Quattro | 2.0L | L4 | GAS | N/A | Water Pump (Electric) |
| 2009 | Volkswagen | Eos | 2.0L | L4 | GAS | N/A | Water Pump (Electric) |
| 2008 | Audi | A3 | 2.0L | L4 | GAS | To Radiator | Water Pump (Electric) |
| 2008 | Audi | TT | 2.0L | L4 | GAS | N/A | Water Pump (Electric) |
| 2008 | Volkswagen | Eos | 2.0L | L4 | GAS | N/A | Water Pump (Electric) |
| 2008 | Volkswagen | GTI | 2.0L | L4 | GAS | N/A | Water Pump (Electric) |
| 2008 | Volkswagen | Jetta | 2.0L | L4 | GAS | N/A | Water Pump (Electric) |
| 2008 | Volkswagen | Passat | 2.0L | L4 | GAS | N/A | Water Pump (Electric) |
| 2007 | Audi | A3 | 2.0L | L4 | GAS | N/A | Water Pump (Electric) |
| 2007 | Audi | A3 Quattro | 2.0L | L4 | GAS | N/A | Water Pump (Electric) |
| 2007 | Audi | TT | 2.0L | L4 | GAS | N/A | Water Pump (Electric) |
| 2007 | Volkswagen | Bora | 2.0L | L4 | GAS | N/A | Water Pump (Electric) |
| 2007 | Volkswagen | Eos | 2.0L | L4 | GAS | N/A | Water Pump (Electric) |
| 2007 | Volkswagen | GTI | 2.0L | L4 | GAS | N/A | Water Pump (Electric) |
| 2007 | Volkswagen | Jetta | 2.0L | L4 | GAS | N/A | Water Pump (Electric) |
| 2007 | Volkswagen | Jetta City | 2.0L | L4 | GAS | N/A | Water Pump (Electric) |
| 2007 | Volkswagen | Passat | 2.0L | L4 | GAS | N/A | Water Pump (Electric) |
| 2006 | Audi | A3 | 2.0L | L4 | GAS | N/A | Water Pump (Electric) |
| 2006 | Audi | A3 Quattro | 2.0L | L4 | GAS | N/A | Water Pump (Electric) |
| 2006 | Volkswagen | Bora | 2.0L | L4 | GAS | N/A | Water Pump (Electric) |
| 2006 | Volkswagen | GTI | 2.0L | L4 | GAS | N/A | Water Pump (Electric) |
| 2006 | Volkswagen | Jetta | 2.0L | L4 | GAS | N/A | Water Pump (Electric) |
| 2006 | Volkswagen | Passat | 2.0L | L4 | GAS | N/A | Water Pump (Electric) |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.