Melling Water Pump, GM 04-09 5.7L, 6.0L, 6.2L, 7.0L

The Melling MWP-503WT water pump is a high-quality replacement designed for GM LS-series engines from 2004 to 2009, including 5.7L, 6.0L, 6.2L, and 7.0L V8s. Built with a durable cast aluminum housing, it provides excellent heat dissipation and long-lasting performance. The pump features a steel impeller with seven vanes to ensure optimal coolant flow, maintaining engine temperature under various driving conditions. It includes a pre-installed thermostat, O-ring, pulley, and mounting bolts for a complete, hassle-free installation. The standard rotation design, factory leak testing, and precision-ground, pre-lubricated bearings all contribute to its reliability and longevity. The pump also includes a heat-treated bearing shaft for added strength, and its laser-etched Melling logo ensures product authenticity.