Aisin WPS-800 Engine Water Pump

AISIN WPS-800 Engine Water Pump

The AISIN WPS-800 is an OE-style engine water pump built for select Suzuki applications, including Grand Vitara and SX4 models. It uses a cast aluminum housing and cast aluminum impeller for a direct-fit cooling system replacement.

As part of AISIN Original Equipment Manufacturer product line, this water pump reflects the brand’s OE manufacturing focus for cooling system service on vehicles such as the Suzuki Grand Vitara and Suzuki SX4.

Key Features

• Cast aluminum housing
• Cast aluminum impeller
• Reverse impeller rotation
• Serpentine belt drive type
• Pulley included
• Mounting hardware included
• Back housing included
• Standard replacement grade
• Designed for OE-style cooling system service

Detailed Description

The AISIN WPS-800 engine water pump is manufactured with aluminum die-cast construction to match OE service expectations in cooling system repair. Its reverse-rotation design and serpentine belt drive configuration make it a direct replacement choice for select Suzuki Grand Vitara and Suzuki SX4 applications. The included pulley and back housing support a complete installation on the specified vehicles, while the cast aluminum impeller and housing provide a durable replacement structure.

This part cross-references Gates (e.g., 21089, 42179BH) for the same application. The AISIN WPS-800 is also referenced by multiple aftermarket part numbers, making it easier to verify the correct water pump for your vehicle.

What It Helps Fix

• Coolant leaks from a worn water pump housing or seal
• Overheating caused by reduced coolant circulation
• Noise from a failing pump bearing or impeller assembly
• Cooling system service needs on a Suzuki Grand Vitara or Suzuki SX4
• Replacement of a reverse-rotation serpentine belt water pump

Installation Notes and Tips

Confirm reverse impeller rotation and serpentine belt drive layout before installation. Verify pulley alignment, gasket surfaces, and coolant passages are clean before mounting the pump. Follow the vehicle service procedure for coolant refill and bleeding after installation. This part includes installation warnings from the manufacturer, so review the instructions before beginning service.

Quality Assurance

AISIN manufactures OE water pumps using aluminum die-cast construction and supplies cooling system components for original equipment applications. The WPS-800 is built as a standard replacement water pump for the listed Suzuki fitments.

• Fits 2009-2016 Suzuki Grand Vitara
• Fits 2010-2013 Suzuki SX4
• Fits 2012 Suzuki SX4 Crossover, AISIN Original Equipment Manufacturer