Performance Water Pump Kit for Chevrolet Tahoe (2007-2014) 4.8L 5.3L 6.0L 6.2L

High-Flow Water Pump & Thermostat Kit for 2007-2014 Chevrolet Tahoe (GMT900)

What it Does: The Performance Water Pump Kit replaces the failure-prone factory coolant pump and thermostat on 2007-2014 Tahoe models to ensure stable coolant flow, prevent catastrophic engine overheating, and maintain optimal thermal regulation under severe towing and ambient load.

The Stock Chevrolet Tahoe Water Pump Failure Point

Factory GMT900 cooling systems operating on Gen IV LS platforms face severe thermal cycling that degrades the internal unitized mechanical shaft seal. Over time, high accessory drive belt tension and sustained RPM lead to bearing runout, causing coolant leakage past the primary weep hole. Furthermore, factory stamped impellers are susceptible to cavitation erosion at elevated engine speeds, reducing coolant velocity through the cylinder block and heads, while deteriorating factory gasket material leads to persistent mating-surface leaks against the timing cover.

The Engineering Solution

This replacement assembly utilizes a high-strength cast-aluminum housing equipped with a precision-ground, hardened steel bearing assembly engineered to resist side-load deflection. The precision-machined internal impeller optimizes hydrodynamic coolant distribution through the engine passages, preventing hot spots in high-displacement V8 architectures. Packaged with a matching thermostat housing, pre-calibrated thermostat, and reinforced die-cut gaskets, this complete service kit restores factory thermal equilibrium and provides superior resistance against thermal shock and glycol degradation.

What's Included

• 1 Engine Water Pump
• 1 Thermostat Housing
• 1 Thermostat
• 2 Rectangular Gaskets
• 1 Oval Gasket
• 2 Mounting Bolts

Technical Specifications

Compatibility

• 2007-2009 Chevrolet Tahoe 4.8L V8
• 2007-2014 Chevrolet Tahoe 5.3L V8
• 2008-2013 Chevrolet Tahoe 6.0L V8 Hybrid
• 2008-2009 Chevrolet Tahoe 6.2L V8

Frequently Asked Questions & Fitment Warnings

Does this fit the GMT900 Tahoe?

Yes, this is a direct fit for the 2007-2014 Chevrolet Tahoe equipped with the Gen IV LS engine architecture (4.8L, 5.3L, 6.0L, or 6.2L displacements).

Do I need to bleed the cooling system after installation?

Yes, thoroughly burp the air pockets out of the cooling jacket to prevent localized steam pockets, and torque mounting fasteners to OEM specifications.

The Chevrolet Severe-Duty Standard

Built for the punishing demands of full-size SUV towing, off-road workloads, and continuous highway hauling, this cooling assembly ensures thermal resilience and consistent operating temperatures under heavy duty cycles.