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Gates 41555E Engine Auxiliary Water Pump - To Inverter
Overview of Gates Water Pump 41555E for Lexus, Toyota, and Scion
The Gates Water Pump (Electric) 41555E is designed to provide reliable engine auxiliary water pumping for select Lexus, Toyota, and Scion models. This electric water pump supports variable speed intercooler applications, ensuring efficient cooling performance in hybrid and conventional vehicles.
- Electric drive style for precise water circulation
- Plastic housing and impeller for lightweight durability
- Standard impeller rotation direction
- Two outlet ports for optimized coolant flow
- OE performance rating for dependable fit and function
Product Line Details: Gates Water Pump (Electric)
The Gates Water Pump (Electric) product line focuses on electric-driven auxiliary water pumps that enhance engine cooling systems. This line is engineered to meet original equipment (OE) standards, providing consistent performance and compatibility with modern vehicle cooling requirements. The 41555E model exemplifies this line by offering a plastic housing and impeller designed for variable speed intercooler applications, commonly found in hybrid vehicles like the Toyota Prius and Lexus RX series.
Technical Description and Features
The Gates 41555E electric water pump features a plastic housing and impeller, which contribute to reduced weight and corrosion resistance. Its standard impeller rotation ensures compatibility with the vehicle’s cooling system design. The pump includes two outlet ports, facilitating efficient coolant distribution to the intercooler system. This pump does not include a back housing, pulley, or fan clutch, focusing solely on the electric water pump function. It is rated to meet OE performance standards, ensuring it matches the quality and specifications of the original part.
Applications and Common Issues Addressed
- Maintains optimal coolant flow in variable speed intercooler systems
- Prevents engine overheating in hybrid models like the Lexus RX450h and Toyota Prius Plug-In
- Replaces failing or noisy auxiliary water pumps in Toyota Highlander and Scion iQ
- Supports efficient thermal management in electric-driven cooling circuits
- Addresses coolant circulation problems that can lead to reduced engine performance
Installation Notes and Tips
When installing the Gates 41555E water pump, ensure compatibility with your vehicle’s make and model, specifically Lexus CT200h, Toyota Prius variants, Highlander, and Scion iQ. Since this pump does not include a pulley or fan clutch, verify that existing components are in good condition before installation. Proper electrical connections are essential for the electric drive style to function correctly. Follow manufacturer torque specifications and coolant system bleeding procedures to avoid air pockets and ensure optimal pump operation.
Quality Assurance and Warranty
The Gates Water Pump (Electric) 41555E is manufactured to meet OE performance standards, providing reliable operation and durability. Gates products typically undergo rigorous quality control to ensure fit, form, and function. While specific warranty details are not provided here, Gates generally offers warranties aligned with industry standards for automotive water pumps. Consult product documentation or authorized sources for exact warranty terms.
| Brand | Gates |
| Part Number | 41555E |
| Position | Water Pump (Electric), To Inverter |
| Housing Material | Plastic |
| Impeller Material | Plastic |
| Impeller Rotation | Standard |
| Includes Back Housing | No |
| Outlet Quantity | 2 |
| Application Description | Intercooler - variable speed |
| Contents | Water pump |
| Drive Style | Electric |
| Fan Clutch Included | No |
| OE Comparison Rating | Oe performance |
| Pulley Included | No |
| Type | Electric |
This part fits 40 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2015 | Toyota | Highlander | 2.7L | L4 | GAS | N/A | Water Pump (Electric) |
| 2015 | Toyota | Highlander | 3.5L | V6 | ELECTRIC/GAS | N/A | Water Pump (Electric) |
| 2015 | Toyota | Highlander | 3.5L | V6 | GAS | N/A | Water Pump (Electric) |
| 2015 | Toyota | Prius | 1.8L | L4 | ELECTRIC/GAS | N/A | Water Pump (Electric) |
| 2015 | Toyota | Prius C | 1.5L | L4 | ELECTRIC/GAS | N/A | Water Pump (Electric) |
| 2015 | Toyota | Prius Plug-In | 1.8L | L4 | ELECTRIC/GAS | N/A | Water Pump (Electric) |
| 2015 | Toyota | Prius V | 1.8L | L4 | ELECTRIC/GAS | N/A | Water Pump (Electric) |
| 2014 | Toyota | Highlander | 2.7L | L4 | GAS | N/A | Water Pump (Electric) |
| 2014 | Toyota | Highlander | 3.5L | V6 | ELECTRIC/GAS | N/A | Water Pump (Electric) |
| 2014 | Toyota | Highlander | 3.5L | V6 | GAS | N/A | Water Pump (Electric) |
| 2014 | Toyota | Prius | 1.8L | L4 | ELECTRIC/GAS | N/A | Water Pump (Electric) |
| 2014 | Toyota | Prius C | 1.5L | L4 | ELECTRIC/GAS | N/A | Water Pump (Electric) |
| 2014 | Toyota | Prius Plug-In | 1.8L | L4 | ELECTRIC/GAS | N/A | Water Pump (Electric) |
| 2014 | Toyota | Prius V | 1.8L | L4 | ELECTRIC/GAS | N/A | Water Pump (Electric) |
| 2013 | Lexus | CT200h | 1.8L | L4 | ELECTRIC/GAS | N/A | Water Pump (Electric) |
| 2013 | Lexus | RX350 | 3.5L | V6 | GAS | N/A | Water Pump (Electric) |
| 2013 | Scion | iQ | -L | -- | ELECTRIC | N/A | Water Pump (Electric) |
| 2013 | Toyota | Highlander | 3.5L | V6 | ELECTRIC/GAS | N/A | Water Pump (Electric) |
| 2013 | Toyota | Highlander | 3.5L | V6 | GAS | N/A | Water Pump (Electric) |
| 2013 | Toyota | Prius | 1.8L | L4 | ELECTRIC/GAS | N/A | Water Pump (Electric) |
| 2013 | Toyota | Prius C | 1.5L | L4 | ELECTRIC/GAS | N/A | Water Pump (Electric) |
| 2013 | Toyota | Prius Plug-In | 1.8L | L4 | ELECTRIC/GAS | N/A | Water Pump (Electric) |
| 2013 | Toyota | Prius V | 1.8L | L4 | ELECTRIC/GAS | N/A | Water Pump (Electric) |
| 2012 | Lexus | CT200h | 1.8L | L4 | ELECTRIC/GAS | N/A | Water Pump (Electric) |
| 2012 | Lexus | CT200h | 1.8L | L4 | ELECTRIC/GAS | To Inverter | Water Pump (Electric) |
| 2012 | Lexus | RX450h | 3.5L | V6 | ELECTRIC/GAS | To Inverter | Water Pump (Electric) |
| 2012 | Toyota | Highlander | 3.5L | V6 | ELECTRIC/GAS | To Inverter | Water Pump (Electric) |
| 2012 | Toyota | Prius | 1.8L | L4 | ELECTRIC/GAS | N/A | Water Pump (Electric) |
| 2012 | Toyota | Prius | 1.8L | L4 | ELECTRIC/GAS | To Inverter | Nov. 1, 2011 & Older; Water Pump (Electric) |
| 2012 | Toyota | Prius C | 1.5L | L4 | ELECTRIC/GAS | N/A | Water Pump (Electric) |
| 2012 | Toyota | Prius Plug-In | 1.8L | L4 | ELECTRIC/GAS | N/A | Water Pump (Electric) |
| 2012 | Toyota | Prius Plug-In | 1.8L | L4 | ELECTRIC/GAS | To Inverter | Nov. 1, 2011 & Older; Water Pump (Electric) |
| 2012 | Toyota | Prius V | 1.8L | L4 | ELECTRIC/GAS | N/A | Water Pump (Electric) |
| 2012 | Toyota | Prius V | 1.8L | L4 | ELECTRIC/GAS | To Inverter | Nov. 1, 2011 & Older; Water Pump (Electric) |
| 2011 | Lexus | CT200h | 1.8L | L4 | ELECTRIC/GAS | To Inverter | Water Pump (Electric) |
| 2011 | Lexus | RX450h | 3.5L | V6 | ELECTRIC/GAS | To Inverter | Water Pump (Electric) |
| 2011 | Toyota | Highlander | 3.5L | V6 | ELECTRIC/GAS | To Inverter | Water Pump (Electric) |
| 2011 | Toyota | Prius | 1.8L | L4 | ELECTRIC/GAS | To Inverter | Water Pump (Electric) |
| 2010 | Lexus | RX450h | 3.5L | V6 | ELECTRIC/GAS | To Inverter | Water Pump (Electric) |
| 2010 | Toyota | Prius | 1.8L | L4 | ELECTRIC/GAS | To Inverter | 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.