GMB 130-3120AH1 Engine Water Pump

Engine Water Pump for GM 1.4L Applications

The GMB 130-3120AH1 engine water pump is built for vehicles that use a serpentine belt drive and a housing-style cooling system. It is manufactured to meet or exceed OEM specifications and is built with an aluminum body, metal impeller, and included back housing for a direct-fit cooling system repair.

Compatible with select Chevrolet Equinox, Malibu, Spark, Trax, and Cruze models, as well as GMC Terrain and Buick Encore applications that use the housing and oil cooler setup. The GMB 130-3120AH1 is a practical replacement for worn or leaking OE water pumps in these GM vehicles.

Key Features

• Engine water pump with pulley included
• Aluminum construction for the pump body
• Metal impeller with standard rotation
• Includes back housing for housing-style applications
• Serpentine belt drive type
• Mounting hardware includes 1 metal gasket and 4 bolts
• Built to meet or exceed OEM specifications

Detailed Description

This GMB water pump, part number 130-3120AH1, is engineered for GM vehicles that require a housing and oil cooler configuration. The metal impeller and standard rotation support proper coolant circulation, while the aluminum housing helps provide a durable replacement for the original cooling component. If you are replacing a leaking or noisy pump on a Chevrolet Equinox, Chevrolet Malibu, or GMC Terrain, this part number 130-3120AH1 is built for the specified application.

This part cross-references GM OE numbers 12668843 and 12681171 for the same application.

What It Helps Address

• Coolant leakage from a worn pump housing or seal
• Overheating caused by reduced coolant circulation
• Noise from a failing pulley or internal pump wear
• Cooling system service on housing-and-oil-cooler GM applications
• Replacement of an OE-style pump on Chevrolet, Buick, and GMC models

Installation Notes and Tips

Verify engine configuration and cooling system layout before installation. This water pump is for serpentine belt drive applications and includes back housing, so confirm the vehicle uses the housing and oil cooler setup listed in the fitment data. Inspect the mating surfaces, replace the gasket during service, and torque fasteners to the vehicle manufacturer’s specifications.

Fits 2018-2024 Chevrolet Equinox, N/A, w/ Housing and Oil Cooler. Fits 2016-2023 Chevrolet Malibu, N/A, w/ Housing and Oil Cooler. Fits 2018-2023 GMC Terrain, N/A, w/ Housing and Oil Cooler. Fits 2021-2022 Buick Encore, N/A, w/ Housing and Oil Cooler. Fits 2016-2019 Buick Encore, N/A, w/ Housing and Oil Cooler. Fits 2016-2022 Chevrolet Spark, N/A, w/ Housing and Oil Cooler. Fits 2021-2022 Chevrolet Trax, N/A, w/ Housing and Oil Cooler. Fits 2016-2019 Chevrolet Cruze, N/A, w/ Housing and Oil Cooler.

Quality Assurance

GMB manufactures this water pump to meet or exceed OEM specifications, supporting consistent fit and function for the listed GM applications. Confirm part number 130-3120AH1 against the vehicle’s cooling system configuration before ordering.