Gates 41086BH Engine Water Pump - Main

Gates Water Pump for Audi and Volkswagen

The Gates 41086BH engine water pump is a timing belt driven replacement built for select Audi and Volkswagen applications. It combines a plastic/aluminum housing, plastic impeller, integrated thermostat housing, and back housing for a direct-fit cooling system service part.

Gates Water Pump (Standard) line components are built for OE-quality fit and verified through seal, bearing, and leakage testing before release. For drivers servicing a timing belt cooling system on an Audi A4, Audi A5, Volkswagen Tiguan, or related model, this part number 41086BH supports a clean, application-specific repair.

Key Features

• Engine water pump for timing belt driven cooling systems
• Plastic/aluminum housing with plastic impeller
• Standard impeller rotation
• Includes back housing and thermostat housing
• Pulley included for listed applications
• Five outlet connections
• Gates 41086BH OE-style replacement fitment

Detailed Product Overview

This Gates water pump is engineered for vehicles that use a timing belt driven pump assembly, making it a strong match for many Audi A4, Audi A5, Audi Q5, and Volkswagen Tiguan cooling system repairs. The integrated back housing and thermostat housing help simplify replacement on the specified applications, while the tested seals and bearings support dependable operation after installation. The Gates Water Pump (Standard) line focuses on direct replacement fitment and consistent cooling system performance for European vehicles that require a precise OE-style configuration.

This part cross-references Dorman - HELP 41086 and Beck/Arnley 131-2437 for the same application.

What This Water Pump Helps Address

• Coolant leaks from a worn pump housing or seal
• Overheating caused by reduced coolant circulation
• Noisy operation from bearing wear in the pump assembly
• Cooling system service needs during timing belt maintenance
• Thermostat housing replacement on listed Audi and Volkswagen models

Installation Notes and Tips

Verify engine code, housing style, and timing belt driven configuration before installation. This part is listed with standard impeller rotation, includes a pulley, and is specified with back housing and thermostat housing for the covered vehicles. Because fitment varies by model year and engine package, confirm the vehicle against the fitment list before ordering. For best results, inspect the timing belt system, coolant condition, and mating surfaces during service.

Quality Assurance

Gates manufactures this water pump with premium alloy materials and performs functional testing of seals and bearings, along with leakage testing of the casting and assembled unit. The result is a replacement part built to meet OE-quality fit expectations for covered Audi and Volkswagen applications.