Gates 43550 Engine Water Pump

Reliable Water Pump Replacement for Audi and Volkswagen Models

The Gates Water Pump (Standard) part number 43550 is engineered to provide dependable cooling system performance for select Audi and Volkswagen vehicles. Designed with durable materials and precise specifications, this engine water pump ensures efficient coolant circulation to maintain optimal engine temperature.

• Housing made from cast aluminum for strength and corrosion resistance
• Plastic impeller with standard rotation for consistent coolant flow
• Includes back housing and two O-rings for proper sealing
• Single outlet design compatible with accessory belt drive style
• Compatible with various Audi and Volkswagen models including Golf, Jetta, Passat, and more

Product Details and Specifications

The Gates Water Pump (Standard) line focuses on delivering reliable engine water pumps that meet OEM standards. This particular model, part number 43550, features a cast aluminum housing that offers durability and heat resistance, essential for maintaining engine cooling efficiency. The plastic impeller is designed with a standard rotation direction to match factory specifications, ensuring proper coolant circulation. This water pump includes the back housing and two O-rings, which help secure a tight seal and prevent leaks. It is driven by the accessory belt and does not include a pulley or fan clutch. The single outlet configuration is designed to fit the cooling system layout of compatible vehicles.

Compatible Vehicles and Applications

This water pump is compatible with a range of Audi and Volkswagen models, including but not limited to:

• Audi 80, 90, 4000, Cabrio, Cabriolet, Corrado, Derby
• Volkswagen Fox, Golf, Jetta, Passat, Quantum, Rabbit Convertible, Rabbit Pickup

Using the Gates Water Pump (Standard) 43550 ensures proper fitment and function in these vehicles, supporting the cooling system's role in preventing engine overheating and maintaining performance.

Common Issues Addressed by This Water Pump

• Engine overheating due to coolant circulation failure
• Coolant leaks from worn or damaged water pump seals
• Reduced engine performance caused by inefficient cooling
• Noise or vibration from failing impeller or housing
• Accessory belt-driven pump malfunction affecting cooling system

Installation Notes and Tips

When installing the Gates Water Pump (Standard) 43550, ensure the accessory belt is properly tensioned and aligned. Replace the O-rings included with the pump to maintain a secure seal and prevent leaks. Verify that the impeller rotation matches the engine’s requirements. Since the pump does not include a pulley or fan clutch, reuse the existing components or replace them separately if needed. Follow manufacturer torque specifications for mounting bolts to avoid damage to the cast aluminum housing.

Quality Assurance and Warranty

Gates manufactures the Water Pump (Standard) line to meet or exceed OEM quality standards. The cast aluminum housing and plastic impeller materials are selected for durability and corrosion resistance. Part number 43550 undergoes rigorous testing to ensure reliable performance in compatible Audi and Volkswagen vehicles. Please refer to Gates’ official warranty policy for specific coverage details.