GMB 145-2070 Engine Water Pump

OE-Standard Water Pump for Mazda RX-7

This GMB engine water pump is built for 1989-1991 Mazda RX-7 applications and manufactured to meet or exceed OEM specifications. The cast iron construction and included paper gasket support a direct replacement for cooling system service on the Mazda RX-7, while the OEM-standard grade helps maintain proper coolant circulation.

Key Features

• Fits 1989-1991 Mazda RX-7
• Engine water pump for cooling system repair and replacement
• Cast iron housing for durable OE-style construction
• Gaskets included for installation preparation
• OEM Standard item grade
• New condition
• Part number 145-2070

Detailed Description

GMB 145-2070 is an engine water pump for the 1989-1991 Mazda RX-7, engineered as an OE-standard replacement for factory cooling system service. It is manufactured to meet or exceed OEM specifications and uses cast iron construction for a familiar factory-style fit and function. This water pump is listed with a paper gasket included, and the package contents also include 4 studs. The part number 145-2070 is also referenced in cross-application listings for the same vehicle coverage.

This part cross-references Airtex AW9208 for the same application.

Common Repair Uses

• Restores coolant flow when the original pump is worn or leaking
• Addresses overheating caused by reduced water pump performance
• Replaces a noisy or rough-running pump bearing
• Helps correct coolant seepage at the pump mounting surface
• Supports cooling system maintenance on Mazda RX-7 models

Installation Notes and Tips

Verify engine cooling system condition before installation and inspect the mounting surface for corrosion or gasket residue. Use the included paper gasket during assembly and confirm pulley alignment, since this pump is listed without a pulley. For best results, flush the cooling system and replace degraded coolant before returning the vehicle to service. Confirm fitment for 1989, 1990, and 1991 Mazda RX-7 applications before ordering.

Quality Assurance

GMB manufactures this water pump to meet or exceed OEM specifications, with OEM Standard grading for replacement use. The cast iron construction and new-condition status support dependable service in the intended Mazda RX-7 applications.