GMB 145-2580 Engine Water Pump

Engine Water Pump for Mazda Applications

The GMB 145-2580 engine water pump is built for Mazda cooling system service and manufactured to meet or exceed OEM specifications. It is a serpentine belt-driven replacement with an aluminum housing, plastic impeller, and included back housing, gasket, and instructions for a direct-fit repair.

Compatible with Mazda 3, Mazda CX-30, Mazda CX-50, Mazda CX-5, Mazda 3 Sport, Mazda 6, and Mazda CX-3 applications across the listed model years, this water pump supports proper coolant circulation in everyday driving and routine maintenance. The GMB 145-2580 is a practical OE-style replacement for drivers servicing Mazda cooling system wear.

Key Features

• Engine water pump for serpentine belt drive systems
• Aluminum housing with plastic impeller
• Includes back housing and gaskets
• Standard impeller rotation
• Flange pulley type
• Instructions included for installation reference
• Part number: 145-2580

Detailed Product Overview

GMB 145-2580 is engineered as a replacement engine water pump for Mazda cooling system service. The aluminum housing helps provide a durable mounting structure, while the plastic impeller is configured for standard rotation in serpentine belt applications. With the back housing and gaskets included, this unit is prepared for a complete water pump replacement on the listed Mazda platforms. If you are searching for a Mazda 3 water pump, Mazda CX-5 water pump, or a Mazda CX-30 cooling system replacement, this part number 145-2580 matches those service needs.

This part cross-references PYFA15010A and PYFA15010B for the same application.

What This Water Pump Helps Address

• Coolant circulation problems caused by a worn pump
• Leaks from aging water pump seals or housing surfaces
• Overheating concerns related to reduced coolant flow
• Noisy operation from a failing pump assembly
• Cooling system service on Mazda 3, Mazda CX-5, and related models

Installation Notes and Tips

• Verify engine and belt-drive configuration before installation.
• Inspect the serpentine belt, coolant passages, and mating surfaces during service.
• Use the included gaskets and follow the supplied instructions.
• Confirm pulley and hub dimensions against the removed part before assembly.
• Bleed the cooling system after installation to remove trapped air.

Quality Assurance

GMB manufactures this water pump to meet or exceed OEM specifications for fit and function. Part number 145-2580 is built for Mazda cooling system replacement work and is supported by the brand’s OE-focused manufacturing standards.

Fitment

• Fits 2019-2025 Mazda 3, N/A
• Fits 2020-2025 Mazda CX-30, N/A
• Fits 2023-2025 Mazda CX-50, N/A
• Fits 2019-2024 Mazda CX-5, N/A
• Fits 2019-2023 Mazda 3 Sport, N/A
• Fits 2018-2021 Mazda 6, N/A
• Fits 2019-2021 Mazda CX-3, N/A