RADHLBNIU AW5103 Water Pump for GM V6 2.8L/3.0L/3.6L – Aluminum Housing, Includes Seal

Built to meet OEM fit and function, this pump is machined aluminum with a corrosion-resistant finish and includes the sealing components required for installation. It replaces multiple original part numbers and is designed to deliver leak-free service and efficient coolant circulation for 2.8L, 3.0L and 3.6L V6 engines. Before ordering, verify compatibility using your vehicle year, model and existing part number to ensure correct fitment.

Which vehicles and model years will this water pump fit?

This RADHLBNIU pump covers a broad range of GM and related platforms. It fits many Buick, Cadillac, Chevy, GMC, Pontiac, Saturn and Suzuki models across mid-2000s to mid-2010s production years. Always cross-check your vehicle’s VIN or current pump part number against the replacements listed.

• Buick: Allure (2005–2010), Enclave (2008–2014), LaCrosse (2005–2013).
• Cadillac: ATS (2013–2014), SRX (2004–2014).
• Chevy: Camaro (2010–2013), Colorado (2015–2016), Equinox (2008–2014), Impala (2012–2014), Malibu (2008–2012), Traverse (2009–2013).
• GMC: Acadia (2007–2015), Canyon (2007–2015), Terrain (2010–2012); Pontiac and Saturn coverage also included.

How does this pump match original equipment performance?

The housing and impeller are manufactured to closely match OEM dimensions and coolant flow characteristics. RADHLBNIU subjects units to quality checks to reduce the risk of leaks and improper fit. Materials and machining aim to provide corrosion resistance and consistent operation under typical engine conditions.

• Aluminum housing with precision machining for correct mounting and sealing.
• Impeller design promotes steady coolant circulation comparable to OE flow rates.
• Includes a seal to simplify installation and help prevent early leaks.

What should I expect during installation and maintenance?

Installation is intended to be straightforward for a trained technician or an experienced DIYer with proper tools. The pump is a direct replacement which minimizes modification, and the included seal helps ensure a secure connection to the engine block. Follow torque specs and coolant bleeding procedures from your service manual for best results.

• Direct-replacement fit reduces the need for adaptors or extra parts.
• Comes with seal for faster, cleaner installation.
• Replace coolant and bleed system per vehicle manufacturer recommendations.

Which original part numbers does this RADHLBNIU pump replace?

This unit is offered as an interchange for many OE numbers used across GM platforms, making it easier to find the correct match. Confirm the numbers before you buy to ensure the pump aligns with your vehicle’s service history.

• Common replacements: AW5103, 130-5130, 252-962, 12566029.
• Also cross-references other OEM and aftermarket codes listed in the product details.
• Verify against the part number stamped on your existing pump for accurate selection.

Who is this for: drivers and mechanics who need a reliable, cost-effective replacement water pump for 2.8L–3.6L GM and compatible V6 engines. This pump is suited for service garages, restoration projects, and DIY repairs when you require an aftermarket part that aims to match OEM dimensions and restore coolant circulation. If you’re unsure about fitment, provide your vehicle year, model, engine code and current pump part number for confirmation before purchase.