Water Pump AW5103 for 2004-2017 Buick Cadillac Chevrolet GMC V6 2.8L 3.0L 3.6L

Water Pump AW5103 for Buick Cadillac Chevrolet GMC

This water pump, referenced under part number AW5103, circulates coolant through the engine to keep operating temperatures stable on 2004-2017 Buick Cadillac Chevrolet GMC V6 models.

Overview

This water pump for Buick Cadillac Chevrolet GMC V6 engines moves coolant from the radiator through the block and heads to control heat under load. The AW5103 unit is a direct-fit replacement for a worn or leaking pump on 2.8L, 3.0L, and 3.6L V6 applications. It suits DIY mechanics and shops servicing daily drivers, crossovers, and light trucks.

Built For Performance

• Sealed bearing assembly supports continuous rotation at engine speed
• Cast housing resists corrosion from long-term coolant exposure
• Precision-machined impeller promotes steady coolant flow
• Gasket-ready mounting surface for a clean seal
• Constructed to match OEM mounting points and pulley alignment

Fits These Machines

• for Buick V6 models 2004-2017
• for Cadillac V6 models 2004-2017
• for Chevrolet V6 models 2004-2017
• for GMC V6 models 2004-2017
• for 2.8L, 3.0L, and 3.6L V6 engines

On-The-Job Use

• Cooling system repairs after coolant leaks or bearing noise
• Routine replacement during timing chain or thermostat service
• Fleet maintenance on high-mileage V6 vehicles
• Overheating diagnosis and repair

Specs At A Glance

Good To Know

Q: Do I need to replace the gasket too? A: Yes, always use a fresh gasket or sealant during installation to prevent leaks. Q: How do I know if this pump fits my engine? A: Confirm your engine displacement and model year match the 2.8L, 3.0L, or 3.6L V6 listings before ordering.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.