Gates 41506E Engine Auxiliary Water Pump - Intercooler

Gates 41506E Electric Water Pump Overview

The Gates 41506E is an engine auxiliary electric water pump built for stable cooling-system performance in modern vehicles. It uses a plastic housing and plastic impeller with standard rotation, and it is an OE Exact replacement for direct-fit service on select Lexus applications.

Gates Water Pump (Electric) products focus on restoring proper cooling and heating system operation with premium materials and OE-quality fit. The 41506E supports auxiliary inverter cooling on covered Lexus models, including Lexus NX300, Lexus IS300, Lexus IS200t, Lexus NX200t, and Lexus RC200t applications.

Key Features

• Brand: Gates
• Part number: 41506E
• Engine auxiliary electric water pump
• Plastic housing and plastic impeller
• Standard impeller rotation
• Single outlet design
• OE Exact comparison rating
• Electric drive style
• Application description: auxiliary inverter

Detailed Product Description

Gates 41506E is an electric auxiliary water pump engineered for vehicles that rely on electronically driven coolant circulation rather than a belt-driven pump. Its plastic construction helps keep weight down while maintaining the fit and function expected from an OE-style replacement. This part number is used in cooling-system service where consistent coolant flow is needed for inverter-related thermal management.

For fitment-based searches, this part is commonly referenced for 2018-2021 Lexus NX300, Intercooler; 2019 Lexus IS300, Intercooler; 2016-2017 Lexus IS200t, N/A; 2015-2017 Lexus NX200t, Intercooler; and 2016-2017 Lexus RC200t, N/A. If you are sourcing a Lexus NX300 electric water pump or a Lexus IS300 auxiliary inverter water pump, Gates 41506E is the direct OE-style service part to review.

This part cross-references AWP-2388 and WP-2388 for the same application.

Common Problems This Part Can Address

• Loss of coolant circulation in the auxiliary inverter circuit
• Overheating concerns tied to electric pump failure
• Reduced heating or cooling system performance
• Noise or inconsistent operation from a worn electric water pump
• Need for an OE-style replacement on covered Lexus models

Installation Notes and Tips

Verify the vehicle’s year, model, and position before ordering, since this pump is listed for Intercooler and N/A positions depending on application. Confirm connector style, mounting points, and coolant routing against the original unit before installation. After replacement, refill and bleed the cooling system according to the vehicle service procedure to remove trapped air and restore proper circulation.

Quality Assurance

Gates manufactures this electric water pump using premium materials and OE Exact comparison standards to support durable operation under demanding driving conditions. The 41506E is built as a direct-fit replacement for select Lexus applications and is intended to restore proper cooling-system performance.