GMB 130-1620 Engine Water Pump

OEM Replacement Water Pump for GM V8 Applications

This GMB engine water pump is manufactured to meet or exceed OEM specifications for dependable cooling-system service. Built as an OEM standard replacement, part number 130-1620 is a direct-fit option for a wide range of Chevrolet, GMC, Cadillac, Oldsmobile, and Pontiac applications from 1987-1996.

Compatible With Chevrolet G30, GMC G3500, Chevrolet Astro, Chevrolet Blazer, Chevrolet C1500, GMC Jimmy, Chevrolet S10, and related GM trucks and SUVs that use this application.

Key Features

• Brand: GMB
• Part number: 130-1620
• Engine water pump for cooling-system replacement
• OEM Standard item grade
• Cast iron construction
• Gaskets included for installation
• Package contents: 2 paper gaskets and 1 plug
• New product condition
• Pulley not included

Detailed Product Description

GMB 130-1620 is an engine water pump built for OEM replacement applications across many GM rear-wheel-drive and truck platforms. The cast iron housing supports durable service in everyday cooling-system operation, while the included gaskets help simplify the replacement process. This water pump is a practical choice when replacing a worn or leaking unit on vehicles such as the Chevrolet C1500, GMC K1500, and Chevrolet Tahoe.

This part cross-references Airtex AW5049 and Gates 18459 for the same application.

What This Water Pump Helps Address

• Coolant leakage from a worn pump seal or gasket surface
• Overheating caused by reduced coolant circulation
• Noise from a failing pump bearing or impeller assembly
• Cooling-system service during routine engine repair
• OEM replacement needs on GM trucks, vans, and SUVs

Installation Notes and Tips

Verify pulley reuse before installation, since the pulley is not included. Confirm engine application and hub-height requirements before ordering, especially on 1992 models with 6.9-inch hub height notes. Replace the water pump on a clean mating surface and follow the vehicle service manual for torque sequence, gasket placement, and coolant refill procedures.

Quality Assurance

Manufactured to meet or exceed OEM specifications, this GMB water pump is built to OEM standard requirements for replacement service. The cast iron construction and included gaskets support a straightforward repair on the listed Chevrolet, GMC, Cadillac, Oldsmobile, and Pontiac applications.