Out of stock
SKU: MELMWP-505
UPC: 729295901143
MPN: MWP-505
The Water Pump for GM SUV/Van/Truck 00-14 4.3/5.0/5.7L (MELLING MWP-505) is the OEM-quality replacement your cooling system needs to maintain stable operating temperatures across extended highway runs and heavy-duty work. Built for General Motors light-duty and mid-size trucks, vans, and sport utilities from 2000 through 2014, this pump delivers reliable coolant circulation on engines ranging from the efficient 4.3L V6 through the powerful 5.7L V8 variants. Whether you're restoring a vintage Silverado, Suburban, or Tahoe, or maintaining fleet vehicles, this pump is engineered to restore factory cooling performance.
Melling is recognized across the aftermarket for precision casting and balanced impeller design that minimizes cavitation and ensures consistent flow rates under varying load conditions. This replacement unit features a durable cast-iron body with a mechanically sealed shaft, standard to GM specifications for this generation of light-duty powertrains. The pump's impeller geometry is optimized for the 4.3L, 5.0L, and 5.7L block configurations, maintaining proper water jacket pressure and thermal stability whether you're idling at a job site or maintaining highway cruise speeds. The unit weighs 13.05 lbs and measures 9 x 8.25 x 10.3 inches, fitting within the serpentine belt housing of your factory cooling layout without modification.
Mechanics and DIY enthusiasts choose this pump for year-round reliability in both hot-weather towing and cold-start scenarios common to full-size trucks and SUVs. Installation is straightforward on most 2000–2014 GM platforms—unbolt the old unit, transfer the pulley and gasket surface, and bolt down the new pump in under an hour with basic hand tools. This replacement is ideal for preventative maintenance on vehicles showing signs of coolant weeping, rising thermostat readings, or overheating under load. Verify your specific engine displacement (4.3L, 5.0L, or 5.7L) against your VIN before ordering to ensure proper fit and OEM gasket compatibility.
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