Gates 45006 Engine Water Pump

Gates Water Pump 45006 Overview

The Gates 45006 engine water pump is a standard replacement for a wide range of GM trucks, SUVs, and vans from 1999-2006. It is built with a cast aluminum housing, stamped steel impeller, and an included thermostat and housing for a direct-fit cooling system service.

Gates Water Pump (Standard) components are built for OE-quality fit and consistent cooling performance. This part number, 45006, is a practical choice for drivers servicing a Chevrolet Silverado 1500, GMC Sierra 1500, or Cadillac Escalade cooling system.

Key Features

• Cast aluminum housing for durable cooling system construction
• Stamped steel impeller with reverse rotation
• Accessory belt drive style
• Includes thermostat and housing
• Pulley included for a more complete replacement
• Two outlet design
• Not timing belt driven
• Fits applications that use a standard engine water pump layout

Product Details

Gates 45006 is an engine water pump assembly engineered for vehicles that require reverse-rotation operation and accessory-belt drive. The pump is manufactured with premium alloy materials and is tested for seal and bearing function as well as leakage integrity before release. The included thermostat and housing help streamline cooling system service on supported applications.

This part cross-references Airtex AW5104 and Dayco DP998 for the same application. Common fitment includes 1999-2006 Chevrolet Silverado 1500, 2000-2006 GMC Yukon, and 2004-2006 Cadillac Escalade models, along with other GM trucks and SUVs listed below. If you are replacing a worn water pump on a Chevrolet Silverado 2500 HD or GMC Sierra 2500 HD, part number 45006 is built for that service.

What It Helps Fix

• Coolant leaks from a worn pump seal or casting
• Overheating caused by reduced coolant circulation
• Noise from failing pump bearings
• Cooling system service issues tied to a damaged thermostat housing
• Drive-system problems related to an aging accessory-belt water pump

Installation Notes

• Verify reverse-rotation and accessory-belt drive requirements before installation
• Confirm outlet count and pulley configuration against the original part
• Inspect the cooling system, belt condition, and mating surfaces during replacement
• Use the included thermostat and housing only on applications that match the original setup
• Follow the vehicle service manual for coolant refill and bleed procedures

Quality Assurance

Gates water pumps are manufactured with a focus on durability and OE-quality fit. Each new pump is function-tested for seals and bearings and leakage-tested at the casting and assembled unit level to support reliable operation.

• Fits 2004-2006 Buick Rainier, N/A
• Fits 2004-2006 Cadillac Escalade, N/A
• Fits 2004-2006 Cadillac Escalade ESV, N/A
• Fits 2004-2006 Cadillac Escalade EXT, N/A
• Fits 2002-2006 Chevrolet Avalanche 1500, N/A
• Fits 2003-2006 Chevrolet Express 1500, N/A
• Fits 2003-2006 Chevrolet Express 2500, N/A
• Fits 2003-2006 Chevrolet Express 3500, N/A
• Fits 1999-2006 Chevrolet Silverado 1500, N/A
• Fits 2005-2006 Chevrolet Silverado 1500 HD, N/A
• Fits 2001-2003 Chevrolet Silverado 1500 HD, N/A
• Fits 1999-2006 Chevrolet Silverado 2500, N/A
• Fits 2001-2006 Chevrolet Silverado 2500 HD, N/A
• Fits 2001-2006 Chevrolet Silverado 3500, N/A
• Fits 2003-2006 Chevrolet SSR, N/A
• Fits 2000-2006 Chevrolet Suburban 1500, N/A
• Fits 2000-2006 Chevrolet Suburban 2500, N/A
• Fits 2000-2006 Chevrolet Tahoe, N/A
• Fits 2006 Chevrolet Trailblazer, N/A
• Fits 2003-2006 Chevrolet Trailblazer EXT, N/A
• Fits 2005-2006 GMC Envoy, N/A
• Fits 2003-2006 GMC Envoy XL, N/A
• Fits 2003-2006 GMC Savana 1500, N/A
• Fits 2003-2006 GMC Savana 2500, N/A
• Fits 2003-2006 GMC Savana 3500, N/A
• Fits 1999-2006 GMC Sierra 1500, N/A
• Fits 2005-2006 GMC Sierra 1500 HD, N/A
• Fits 2001-2003 GMC Sierra 1500 HD, N/A
• Fits 2001-2006 GMC Sierra 2500 HD, N/A
• Fits 2001-2006 GMC Sierra 3500, N/A
• Fits 2000-2006 GMC Yukon, N/A
• Fits 2000-2006 GMC Yukon XL 1500, N/A
• Fits 2000-2006 GMC Yukon XL 2500, N/A
• Fits 2003-2006 Hummer H2, N/A
• Fits 2003-2006 Isuzu Ascender, N/A
• Fits 2005-2006 Saab 9-7x, N/A
• Fits 2004-2005 GMC Envoy XUV, N/A
• Fits 1999-2004 GMC Sierra 2500, N/A