Performance Water Pump Kit for Chevrolet Suburban 2500 (2000-2006) 6.0L
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Heavy-Duty Water Pump and Accessory Drive Kit for 2000-2006 Chevrolet Suburban 2500 (GMT800)
What it Does: The Performance Water Pump Kit replaces fatigued factory cooling components and worn belt drive assemblies on the 2000-2006 Chevrolet Suburban 2500 to restore proper coolant circulation and eliminate accessory drive slip under severe operating conditions.
The Stock Chevrolet Suburban 2500 Thermal Fatigue Points
Factory cooling systems on the GMT800 platform are notorious for high-mileage water pump seal degradation and shaft bearing play. Under continuous towing or heavy-load duty cycles, the stock mechanical water pump on the Vortec 6.0L LQ4 suffers from weep-hole leakage, impeller cavitation, and thermal degradation. Concurrently, the OEM spring-loaded tensioner loses torsional dampening capacity over time, creating belt slack, harmonic noise, and parasitic drag across the accessory drive network.
The Engineering Solution
This complete refresh package provides a precision cast-aluminum water pump housing designed with a balanced, high-efficiency impeller to maximize coolant flow through the cylinder heads and engine block. Paired with a heavy-duty steel tensioner assembly, durable serpentine belts, and chemical-resistant O-rings, this kit restores cooling efficiency and eliminates drive-belt deflection. It directly addresses OEM failure points and cross-references factory part numbers 12580162, 12609719, 12560380, and 12562458.
Technical Specifications
| Fitment | 2000-2006 Chevrolet Suburban 2500 |
|---|---|
| Engine / Chassis | Vortec 6.0L (LQ4) / GMT800 |
| Stock Output | 300-335 hp / 360-380 lb-ft |
| Replaces OEM Part # | 12580162, 12609719, 12560380, 12562458, 12703898, 19195104 |
Compatibility
- 2000-2006 Chevrolet Suburban 2500 Base 6.0L V8
- 2000-2006 Chevrolet Suburban 2500 LS 6.0L V8
- 2000-2006 Chevrolet Suburban 2500 LT 6.0L V8
Frequently Asked Questions
Does this fit the GMT800 Suburban 2500?
Yes, this is a direct fit for the 2000-2006 Chevrolet Suburban 2500 equipped with the Vortec 6.0L LQ4 engine.
Does this kit require reusing the old thermostat housing?
No, this water pump assembly includes an integrated thermostat and required sealing gaskets for a complete bolt-on installation.
The Chevrolet Heavy-Duty Caliber
Three-quarter-ton Suburbans are purpose-built for sustained payload hauling and heavy towing duties. Installing matched cooling components ensures stable engine block temperatures, preventing hot-spot detonation and protecting your drivetrain under maximum Gross Combined Weight Ratings (GCWR).
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