Performance Water Pump Kit for Chevrolet Suburban 1500 (2007-2014) 5.3L 6.0L

High-Flow Water Pump & Thermostat Kit for 2007-2014 Chevrolet Suburban 1500 (GMT900)

What it Does: The Performance Water Pump Kit replaces the failure-prone factory cooling assembly on the 2007-2014 Suburban 1500 to restore continuous coolant circulation and prevent catastrophic thermal degradation under load.

The Stock Chevrolet Suburban 1500 Thermal Cycle Fatigue

Factory Gen IV LS water pumps on the GMT900 platform are notorious for weeping shaft seals, internal impeller cavitating, and bearing wear under extended towing loads. Over repeated thermal cycles, the stock mechanical seal face degrades, allowing pressurized coolant to escape past the weep hole, which leads to bearing contamination and belt misalignment. Additionally, aging OEM thermostat housings are prone to warping, resulting in erratic coolant bypass flow and sustained engine heat soak.

The Engineering Solution

Engineered for high-duty-cycle operation, this replacement pump assembly features a precision-cast aluminum housing designed to match Vortec 5.3L (LY5, LMG, LC9) and Vortec 6.0L (L76) front accessory drives. Upgraded internal bearings and a heat-resistant mechanical shaft seal withstand high radial loads from accessory drive tensioners. An integrated thermostat and precision-machined housing ensure immediate opening at calibrated operating temperatures, stabilizing coolant passage through the block and radiator.

What's Included

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

Technical Specifications

Compatibility

• 2007-2014 Chevrolet Suburban 1500 5.3L V8 (LS / LT / LTZ)
• 2007-2009 Chevrolet Suburban 1500 6.0L V8 (LT / LTZ)

Frequently Asked Questions & Fitment Warnings

Does this fit the GMT900 Suburban 1500?

Yes, this is a direct fit for the 2007-2014 Chevrolet Suburban 1500 equipped with the Gen IV LS 5.3L or 6.0L engine. Verify engine displacement and front accessory drive configuration before ordering.

Do the mounting fasteners require specific torque specifications during install?

Yes, torque all water pump mounting bolts in proper sequence to factory OEM specifications to avoid uneven gasket crush and block distortion.

The Chevrolet Heavy-Duty Standard

Full-size utility demands uncompromised cooling reliability when hauling heavy payloads, pulling trailers, or idling in severe heat conditions.