A-Premium Engine Water Pump for Chevy Pontiac Saturn 3.5L/3.9L V6 — Aluminum Housing, Steel Impeller

A-Premium Engine Water Pump is a direct-fit replacement engineered to restore cooling circulation for select Chevy, Pontiac and Saturn V6 engines.

This A-Premium water pump is built to match original equipment fit and function for a range of GM V6 models, using an aluminum housing and steel impeller to move coolant efficiently through the engine's cooling system. It replaces common reference numbers and mounts with the same bolt pattern and drive type as the factory unit, making installation straightforward for DIYers or professional technicians.

Which vehicles will this pump fit?

The pump fits many Chevrolet, Pontiac, Buick and Saturn models equipped with 3.5L or 3.9L V6 engines across mid-2000s to early-2010s years. Verify the part reference or compare the original pump’s mounting pattern and bolt count before purchase.

• Chevrolet: Impala (2006–2011 3.5L/3.9L), Malibu (2006–2010), Monte Carlo (2006–2007)
• Pontiac: G6 (2006–2010 3.5L/3.9L), Montana (2006–2009)
• Buick & Saturn: Lucerne, Terraza, Uplander, Aurora/Aura, Relay, Vue where specified

How does this pump match the original equipment?

The unit reproduces the factory mounting and drive characteristics, including a five-bolt pattern and serpentine belt drive, so it installs like the original. Key dimensions and hub-hole counts match original specifications to ensure alignment with pulleys and coolant passages.

• Aluminum housing for weight and heat dissipation parity with OEM
• Steel impeller with six vanes and reverse rotation orientation
• Mounting hole quantity and hub fit equal to the original part

What are the build details and performance features?

Manufactured under controlled standards, this pump uses a steel impeller and aluminum casing to balance durability and thermal performance. The design pressurises coolant flow to keep the engine within intended operating temperatures when the rest of the cooling system is functioning correctly.

• Impeller: 6 vanes, steel construction for strength
• Rotation: reverse-rotation to match engine requirements
• Drive: serpentine belt compatible for direct replacement

What should I check before installing?

Confirm the pump’s reference numbers and physical match with your removed pump. Replace thermostat and belts if worn, and always use the correct coolant mixture and torque specifications during installation to prevent leaks and ensure longevity.

• Cross-check reference numbers: AW6020, 251-697, 12591880, etc.
• Inspect gaskets, seals and hoses for wear; replace as needed
• Bleed coolant system properly after installation to avoid air pockets

Who is this for? This A-Premium water pump is aimed at vehicle owners, mechanics and fleet managers seeking an affordable, OEM-style replacement for mid-2000s GM V6 sedans, minivans and crossovers. It’s well suited for those who want a part that matches factory mounting and drive configurations, whether doing a routine cooling-system service or repairing a failed pump. For accurate fitment, match your vehicle’s year, engine displacement and original part references before ordering.