GMB 130-2821 Engine Water Pump

Engine Water Pump for Buick V8 Applications

The GMB 130-2821 engine water pump is built for Buick applications that need OEM-standard cooling performance and a direct-fit replacement. Manufactured to meet or exceed OEM specifications, it uses an aluminum housing, includes a gasket, and comes with a pulley for a complete service-ready setup.

Compatible with select 1967-1972 Buick LeSabre, Riviera, and Skylark models, this water pump supports dependable coolant circulation in classic Buick cooling systems. The GMB 130-2821 is a practical choice for restoring proper engine temperature control on original-equipment-style repairs.

Key Features

• OEM Standard item grade for factory-style replacement
• Aluminum construction for durable cooling-system service
• Gaskets included for installation sealing
• Pulley included
• New condition
• Built to meet or exceed OEM specifications

Detailed Product Overview

This GMB engine water pump is engineered for Buick cooling-system service where accurate fitment and consistent coolant flow matter. The part number 130-2821 is listed for 1967-1972 Buick LeSabre, 1967-1970 Buick Riviera, and 1967-1971 Buick Skylark applications, including w/o AC configurations where noted. If you are replacing a worn Buick LeSabre water pump or servicing a classic Buick Riviera cooling system, this OEM-standard unit provides a direct replacement path.

This part cross-references Airtex AW821 and Gates 43121 for the same application.

Common Problems This Part Can Address

• Coolant circulation loss from a worn or failing pump
• Engine overheating caused by reduced water pump output
• Coolant seepage at the pump mounting surface
• Noisy or inefficient cooling-system operation from a deteriorated pump assembly
• Restoration needs for original-style Buick cooling service

Installation Notes and Tips

• Verify engine and accessory configuration before ordering, especially on Buick LeSabre and Riviera models with w/o AC notes.
• Inspect the mounting surface and cooling passages before installing the new pump.
• Use the included paper gasket to achieve a proper seal.
• Flush the cooling system and check belt condition during replacement.
• Confirm pulley alignment after installation to help maintain smooth operation.

Quality Assurance

GMB manufactures this water pump to meet or exceed OEM specifications and supplies it as an OEM-standard replacement part. The aluminum construction and included gasket support a factory-style repair for classic Buick cooling systems.