A-Premium Engine Water Pump for GM DOHC V6 (3.6L/3.0L/2.8L) — Aluminium Housing, Metal Impeller

A-Premium Engine Water Pump is a direct-fit replacement water pump engineered for GM DOHC V6 engines (3.6L, 3.0L, 2.8L) to restore coolant flow and reliable engine cooling.

This replacement water pump is designed to match factory fitment and performance for a broad list of GM, Cadillac, Buick, GMC, Pontiac, Saab, Saturn and Suzuki vehicles. Built with an aluminum casting, a metal impeller and a flange pulley, the pump follows original mounting and hub dimensions so installation is straightforward for professional installers and experienced DIYers. It comes with a one-year unlimited-mileage guarantee from A-Premium, supporting confidence in compatibility and workmanship.

Which vehicles will this A-Premium water pump fit?

This pump is produced to cover many GM-platform vehicles with DOHC V6 engines in 3.6L, 3.0L and 2.8L displacements. Fitment varies by model year and VIN where applicable, so always verify part numbers and engine codes before ordering.

• Chevrolet: Camaro, Caprice, Captiva Sport, Colorado, Equinox, Impala, Malibu, Traverse (select years)
• GMC: Acadia, Canyon, Terrain (select years and engine sizes)
• Cadillac/Buick/Saab/Pontiac/Saturn/Suzuki: specific ATS, CTS, SRX, XTS, Enclave, LaCrosse, G6/G8, 9-3/9-4X/9-5, Aura, Vue, Grand Vitara models
• Reference numbers include AW5103, 43530, 1305130, 12618472 and other OE-style cross numbers for confirmation

How does the pump's construction affect durability and performance?

The pump uses an aluminum casting for the housing and a metal impeller, delivering strength and resistance to typical coolant-system stresses. These materials help maintain structural integrity under heat and pressure while the flange pulley and standard impeller rotation match original drive characteristics.

• Aluminum casting resists corrosion and reduces weight compared to some cast-iron units
• Metal impeller maintains shape and flow under high coolant temperatures
• Flange-type pulley and standard rotation simplify belt alignment and installation
• Hub diameter and bolt pattern follow OEM specs for direct-fit replacement

What should I check during installation to ensure a long service life?

Proper installation and related component inspection extend pump life and prevent premature failures. Replace any worn pulleys, belts, gaskets, and inspect the thermostat and coolant condition when performing the swap.

• Confirm hub diameter (3.41 in) and mounting hole count (6) match the vehicle
• Use new gaskets/sealant and torque bolts to manufacturer specs
• Replace serpentine belt and inspect tensioner and idler pulleys for wear
• Flush coolant system and fill with the manufacturer-recommended coolant mix

What guarantees and part references help confirm I ordered the right unit?

A-Premium provides a one-year unlimited-mileage warranty that covers manufacturing defects. Cross-reference the included reference numbers and OE-style part codes to ensure compatibility with your vehicle’s VIN and engine code.

• One-year unlimited-mileage guarantee from A-Premium
• Compare to OE numbers: 130-5130, 12645176, 12709178 and others listed with the pump
• Verify VIN-specific fitment for some Cadillac models (VIN identifiers provided)
• Check hub dimensions and bolt pattern against the old pump before full installation

Who is this pump for? This A-Premium water pump is intended for vehicle owners, mechanics and restoration shops replacing a failed or worn water pump on compatible GM-platform cars and SUVs. It suits anyone who needs a direct-fit, OEM-style replacement with durable materials and clear cross-reference numbers — especially owners of Chevrolet, GMC, Cadillac, Buick and allied-brand vehicles listed in the fitment information who want a dependable, ready-to-install unit backed by a limited warranty.