A-Premium Water Pump with Thermostat for GM 4.8L/5.3L/6.0L Trucks & SUVs — Boxed Assembly, Pulley & Gasket

A-Premium’s direct-replacement coolant water pump with integrated thermostat delivers a complete, OE-style cooling assembly for 4.8L, 5.3L and 6.0L Chevrolet, GMC, Cadillac and select GM-platform trucks and SUVs.

This assembly replaces the factory water pump and thermostat in many GM V8 vehicles from the mid-2000s through the 2010s, offering a boxed unit that includes the pump, pulley, gasket and bolt. Built from corrosion-resistant materials with strong sealing surfaces and abrasion-resistant components, the unit is made to restore proper coolant circulation and fit the original mounting points without modification.

Which vehicles will this A-Premium water pump fit?

This pump is designed for a wide range of GM platforms—full-size trucks, SUVs, vans and some specialty chassis—covering many model years and engine sizes. Before ordering, cross-check the reference numbers and your vehicle VIN or engine code for exact fitment.

• Chevrolet: Avalanche, Colorado, Express (1500–4500), Silverado 1500/2500/3500, Suburban, Tahoe, Trailblazer
• GMC: Canyon, Envoy, Savana (1500–4500), Sierra 1500/2500/3500, Yukon/Xl models, W-series cab-chassis
• Also fits: Buick Rainier, Cadillac Escalade family, Hummer H2/H3 series, Isuzu NPR variants, Workhorse W-series
• Reference numbers: AW6009, 12600767, 12681417, 19208815, 19253263

What components are included and how does this help installation?

The package ships as a ready-to-install assembly so you won’t need to source additional parts for a standard replacement. The included hardware and gasket simplify the job and reduce the risk of leaks that can come from missing or mismatched parts.

• Included: water pump, thermostat, pulley, gasket and mounting bolt
• Packaging: boxed unit—single package quantity
• Fitment: intended as a direct replacement for original equipment
• Installation: mounts to factory points; compatible with stock hoses and belt routing

How does the pump construction affect durability and cooling performance?

Materials and machining influence longevity and sealing; this A-Premium assembly uses anti-corrosion materials and abrasion-resistant components to withstand coolant exposure and mechanical wear. Proper sealing and robust pulley design help maintain consistent coolant flow and reduce the chance of premature failure.

• Corrosion-resistant body to limit chemical damage from coolant
• Precision sealing surfaces to reduce leakage risk
• Impact- and abrasion-resistant components for longer service life
• Manufactured to strict tolerances for consistent performance

Does A-Premium back this pump with any warranty or support?

A-Premium includes a one-year unlimited-mileage guarantee for this coolant pump assembly, supporting replacement confidence. Their customer support can help confirm fitment and address issues within the warranty period.

• One-year unlimited-mileage guarantee from A-Premium
• Customer support for part verification and warranty assistance
• Packaged and shipped in a box to protect components during transit

Who is this for: This A-Premium water pump with thermostat is aimed at vehicle owners, professional mechanics and independent shops replacing a failed or worn water pump on compatible GM 4.8L, 5.3L or 6.0L platforms. It suits anyone who wants a direct-replacement assembly that includes necessary hardware and a warranty-backed option without sourcing multiple separate components.