Performance Water Pump Kit for GMC Yukon XL 2500 (2000-2006) 6.0L

Heavy-Duty Water Pump Kit for 2000-2006 GMC Yukon XL 2500 (GMT830)

What it Does: The Performance Water Pump Kit restores efficient coolant circulation and accessory drive tension on the 2000-2006 GMC Yukon XL 2500 to prevent thermal runaway and eliminate belt slip under heavy load.

The Stock GMC Yukon XL 2500 Cooling & Belt Drive Failure Points

Under the high thermal loads of heavy towing, the factory mechanical water pump on the GMT830 platform frequently experiences bearing fatigue, weeping weep holes, and internal impeller cavitation. The factory stamped-steel or composite impellers degrade over time, dramatically reducing coolant flow velocity across the cylinder heads of the Vortec 6000 (LQ4). Simultaneously, the factory spring-loaded belt tensioner loses damping rate due to internal spring fatigue. This slack leads to parasitic micro-slippage of the serpentine belt, causing accessory drag, accelerated pulley groove wear, erratic alternator output, and elevated operating temperatures under sustained load.

The Engineering Solution

This comprehensive service assembly pairs a precision-cast, heat-treated aluminum water pump housing with a reinforced internal bearing assembly designed to handle severe side-load stress. Fitted with an efficient, balanced impeller, it maintains optimal coolant flow dynamics without cavitation at elevated RPM. The kit includes a pre-calibrated mechanical thermostat to ensure precise thermal regulation, alongside an OE-spec heavy-duty belt tensioner assembly engineered with a high-tensile internal spring to maintain constant belt contact. Completed with precision-molded EPDM serpentine and A/C belts, this package replaces common failure points with direct OE interchange units (including 12580162 and 12609719) for reliable heat rejection under severe duty.

Technical Specifications

Compatibility

• 2000 GMC Yukon XL 2500 SLE / SLT 6.0L V8
• 2001 GMC Yukon XL 2500 SLE / SLT 6.0L V8
• 2002 GMC Yukon XL 2500 SLE / SLT 6.0L V8
• 2003 GMC Yukon XL 2500 SLE / SLT 6.0L V8
• 2004 GMC Yukon XL 2500 SLE / SLT 6.0L V8
• 2005 GMC Yukon XL 2500 SLE / SLT 6.0L V8
• 2006 GMC Yukon XL 2500 SLE / SLT 6.0L V8

Frequently Asked Questions

Does this fit the GMT830 Yukon XL 2500?

Yes, this is a direct fit for the 2000-2006 GMC Yukon XL 2500 equipped with the Vortec 6000 (LQ4) engine.

Are new water pump gaskets and thermostat included in this kit?

Yes, the assembly includes a pre-assembled thermostat, mounting hardware, and all required premium die-cut gaskets and O-rings for a leak-free seal.

The GMC Heavy-Duty Standard

Engineered to meet the rigorous demands of three-quarter-ton hauling and continuous heavy-payload towing, this cooling assembly ensures your 3/4-ton chassis resists overheating across steep grades and high ambient conditions.