A-Premium Water Pump for GM & Isuzu Vehicles — Direct-Fit Replacement with Balanced Impeller and OEM-Style Gasket

The A-Premium water pump is a direct-fit replacement cooling pump engineered to restore reliable coolant circulation for a wide range of GM, Isuzu, Cadillac and Workhorse engines.

If your vehicle is on the compatibility list, this A-Premium water pump replaces the worn factory unit with a precision-molded housing, balanced impeller and OEM-style gasket sealing to help maintain engine temperature control. Built for direct bolt-on installation where listed, the pump includes reference part numbers to confirm fit and comes with a one-year unlimited-mileage guarantee from A-Premium.

Which vehicles will this water pump fit?

This pump is designed to fit many Chevrolet, GMC, Isuzu and related chassis from the mid-1990s through the 2010s, including pickup, SUV, van, and commercial Workhorse applications. Check the detailed fitment list or cross-reference the supplied reference numbers against your OEM part number before ordering.

• Chevrolet: Astro, C1500/C2500/C3500, Express 1500–3500, Silverado 1500, Tahoe, S10, and more (1996–2012 ranges)
• GMC: C1500/C2500/C3500, Savana 1500–3500, Sierra 1500, Yukon, Jimmy, Sonoma (1996–2014 ranges)
• Isuzu: Hombre, NPR/NPR-HD (1996–2002 ranges); Cadillac: Escalade (1999–2000)
• Workhorse/MT: P30/P32 and numerous FasTrack chassis models for light commercial vehicles (2000–2005)

How does the A-Premium water pump compare to the original equipment part?

Manufactured to meet key OEM dimensions and mounting points, the A-Premium pump uses a molded housing and a balanced impeller to mimic factory performance. The unit is intended as a cost-effective replacement that keeps coolant flow and pressure similar to the original design.

• Precision-molded housing for correct bolt pattern and alignment
• Factory-style gasket sealing to reduce leak risks when installed correctly
• Balanced impeller to minimize vibration and ensure consistent coolant flow
• Includes common reference numbers for cross-checking correct fit

What should I check before buying and installing this pump?

Confirm vehicle year, make, model and engine combination against the fitment list or the listed reference numbers to ensure direct compatibility. Also inspect pulleys, belts, thermostat and cooling hoses during replacement—replacing related components can prevent early failure and reduce labor costs.

• Verify compatibility using the provided reference numbers (e.g., 12528917, 12532528, 89060527)
• Inspect belt condition and replace tensioners or pulleys if worn
• Replace thermostat and coolant if maintenance interval suggests it
• Use correct torque settings and new gasket or sealant as required

What warranty and support does A-Premium provide?

A-Premium backs this water pump with a one-year unlimited-mileage guarantee, supporting your purchase against manufacturing defects under normal use. Contact the seller or A-Premium customer service for warranty details, returns or technical help with fitment questions.

• One-year unlimited-mileage guarantee included
• Technical fitment assistance available through seller support
• Reference numbers supplied to help verify part matching

Who is this for: This A-Premium water pump is intended for owners, home mechanics and independent shops repairing mid-1990s to 2010s Chevrolet, GMC, Isuzu, Cadillac and Workhorse vehicles listed in the fitment details. If you need a direct-fit replacement pump with an OEM-style design and a backed warranty, this pump is targeted at drivers seeking reliable, cost-effective cooling system repairs. Always double-check vehicle-specific fitment and replace related cooling components as needed for a durable repair.