A-Premium Engine Water Pump for GM DOHC 3.6L/3.0L/2.8L — Aluminum Casting, Metal Impeller

If your GM vehicle—Chevrolet, GMC, Buick, Cadillac, Pontiac, Saab, Saturn or Suzuki—needs a reliable cooling-system component, this A-Premium pump matches OE fitment and mounting for many 2004–2024 models. Built with an aluminum casting and metal impeller, it replaces worn or leaking pumps and fits a long list of VIN and engine variations so you can get back on the road without extensive modification.

Which vehicles and engine codes does this water pump fit?

This pump covers a broad range of GM platforms with DOHC 3.6L, 3.0L and select 2.8L and 3.2L engines. Fitment is by model year and engine displacement—always verify your vehicle specifics (model year, VIN engine code) before ordering.

• Chevrolet: Camaro (2010–2015 3.6L), Impala (2012–2020 3.6L), Traverse (2009–2023 3.6L) and more.
• GMC: Acadia (2007–2016 3.6L), Terrain (2010–2012 3.0L / 2013–2017 3.6L), Canyon (2015–2016 3.6L).
• Cadillac & Buick: ATS, CTS, SRX, Enclave, LaCrosse and XTS variants with compatible displacements and VIN codes.
• Also compatible with Pontiac, Saab, Saturn and Suzuki applications listed in the reference numbers.

How is this pump built and what materials are used?

A-Premium uses durable materials and OE-style geometry so the pump withstands normal operating stresses. Key specifications are provided to help techs and DIYers confirm fitment and performance expectations.

• Casting material: aluminum for strength and corrosion resistance.
• Impeller: metal impeller for steady coolant flow and durability.
• Pulley type: flange with a standard impeller rotation and serpentine drive compatibility.
• Mounting details: 6 mounting holes, 4 hub holes, hub diameter 3.41 in, hub height 1.73 in.

What reference numbers and part IDs correspond to this replacement pump?

The pump is cross-referenced to many OEM and aftermarket numbers to simplify ordering and verification. Use these numbers to compare with your old pump or parts catalog.

• Common references include AW5103, 43530, W9361M, 1305130 and 130-5130 (12566029).
• Also cross-referenced to DP532, US8932, V4050049 and GM numbers such as 12618472, 12637479 and 12645176.
• Additional listed numbers: 12709178, 1740078J00, 71741078 and others for broader compatibility checks.

Who is this water pump for? This A-Premium replacement is aimed at vehicle owners, independent mechanics and fleet managers who need a dependable, direct-fit water pump for GM vehicles with DOHC 3.6L, 3.0L or compatible 2.8L/3.2L engines. It’s suitable for routine replacement during cooling-system service, repairs after a leak or failure, or as a preventive upgrade when addressing high-mileage cooling components. Confirm model year and engine/VIN code to ensure correct fitment before purchase. A-Premium backs the pump with a one-year unlimited-mileage guarantee for added confidence.