GMB 130-2850 Engine Water Pump

GMB 130-2850 Engine Water Pump

The GMB 130-2850 engine water pump is built for Pontiac V8 applications that need dependable coolant circulation and OEM-standard fit. Manufactured to meet or exceed OEM specifications, it is a direct replacement choice for classic Pontiac Bonneville, Catalina, Firebird, Grand Prix, GTO, LeMans, and Tempest models.

Key Features

• OEM Standard item grade for factory-style replacement
• Cast iron construction for durable service
• Gaskets included for installation preparation
• Pulley included
• New condition
• Includes 1 paper gasket in the package contents

Detailed Description

This GMB water pump, part number 130-2850, is engineered for Pontiac cooling system service where correct fit and consistent coolant flow matter. It is designed to meet or exceed OEM specifications and uses cast iron construction for a traditional OE-style build. The included gasket and pulley support a straightforward replacement on supported Pontiac applications, including 1959-1968 Pontiac Catalina, 1963-1968 Pontiac Bonneville, and 1967-1968 Pontiac GTO.

This part cross-references Gates 43122 for the same application.

What It Helps Address

• Coolant circulation problems caused by a worn water pump
• Overheating from reduced pump efficiency
• Coolant seepage at the pump mounting surface
• Noisy or failing pump operation in the cooling system
• Restoration work on classic Pontiac Bonneville, Catalina, and Firebird models

Installation Notes and Tips

• Verify engine and mounting-hole configuration before installation; some Pontiac applications list 8 mounting holes.
• Clean the gasket surface thoroughly before fitting the new gasket.
• Inspect the pulley alignment and surrounding cooling components during replacement.
• Confirm belt condition and coolant hose condition while the pump is removed.

Quality Assurance

GMB manufactures this water pump to meet or exceed OEM specifications, with OEM Standard grading and new-condition construction for Pontiac cooling system service.