GMB 125-2430 Engine Water Pump

GMB 125-2430 Engine Water Pump for Mazda RX-8

The GMB 125-2430 engine water pump is built for 2004-2008 Mazda RX-8 applications and manufactured to meet or exceed OEM specifications. With an aluminum housing and OEM-standard grade, it supports dependable coolant circulation for the rotary engine cooling system.

Key Features

• Fits 2004-2008 Mazda RX-8
• Engine water pump for rotary engine cooling service
• Aluminum construction for OE-style fit and durability
• Gaskets included for installation
• OEM Standard item grade
• New condition replacement part
• Part number: 125-2430

Product Details

This GMB water pump is engineered as an OEM-spec replacement for the Mazda RX-8 cooling system. It is designed for direct service on 2004, 2005, 2006, 2007, and 2008 Mazda RX-8 models, and the included metal gasket supports proper sealing at the mounting surface. The aluminum construction helps provide a stable, OE-style replacement for routine cooling system repair. This part cross-references Airtex AW6156 for the same application.

Common Cooling System Issues It Can Address

• Coolant circulation loss from a worn pump
• Coolant leakage at the pump mounting surface
• Overheating caused by reduced coolant flow
• Noisy operation from a failing water pump assembly
• Cooling system service on a Mazda RX-8 with pump wear

Installation Notes and Tips

Verify the vehicle is a 2004-2008 Mazda RX-8 before installation. Inspect the mating surface, coolant passages, and surrounding hoses for wear or contamination during service. Replace the gasket supplied with the pump and follow the vehicle manufacturer’s cooling system procedures, including proper coolant fill and air bleeding after installation. The pulley is not included.

Quality Assurance

GMB manufactures this water pump to meet or exceed OEM specifications, and the part is supplied new in OEM Standard grade for service replacement use.