Upgrade your vehicle's cooling system with the ACDelco 252-838 Engine Water Pump. This premium aftermarket water pump is designed to circulate coolant through your vehicle's radiator and engine system, ensuring proper engine temperature and performance. The gaskets, seals, and O-rings included with this water pump guarantee a trouble-free installation process. ACDelco Professional Water Pumps are thoroughly tested for reliable, leak-free performance, making them a high-quality replacement for many vehicles on the road today. With coated seals for longevity, heat-treated shaft assemblies for superior strength, and high-quality bearings for durability, this engine water pump is built to meet your expectations for fit, form, and function. This ACDelco Engine Water Pump is a versatile option, fitting GM vehicles as well as a wide range of non-GM vehicles. The aluminum housing material and grey iron impeller ensure durability and efficient operation. With a standard impeller rotation and 8 impeller vanes, this water pump is designed for optimal performance. Whether you have a 2001-2005 Chevrolet Silverado 2500 HD, Silverado 3500, GMC Sierra 2500 HD, or Sierra 3500, this ACDelco Engine Water Pump is the perfect choice for maintaining your vehicle's cooling system. Trust ACDelco for premium, high-quality replacement components that provide trouble-free and accurate installation.

• ACDelco 252-838 Engine Water Pump fits a wide range of GM and non-GM vehicles
• Tested for reliable, leak-free performance
• Coated seals for longevity and durability
• Heat-treated shaft assemblies for superior strength
• High-quality bearings for long life
• Premium components for trouble-free installation
• Efficient coolant flow for optimal operation
• Available in cast-iron or aluminum design
• Compatible with various vehicle models including Chevrolet Silverado and GMC Sierra

Fan Clutch Included:	No
Height (in):	5
Housing Material:	Aluminum
Hub Height:	2.515
Hub Height:	63.75
Hub Hole Quantity:	0
Impeller Material:	Grey Iron
Impeller Rotation:	Standard
Impeller Vane Quantity:	8
Includes Back Housing:	No
Informational Chart 1:	PL25_PL26_IC_WaterPumpComposition.jpg
Informational Chart 2:	PL25_PL26_IC_CoolingSystemOperation.jpg
Installation Warnings:	No
Length (in):	6.5
Mounting Hardware Included:	No
Mounting Hole Quantity:	6
Outlet Quantity:	0
Programming Required:	No
Pulley Included:	No
Pulley Outside Diameter (in):	3.598
Thermostat And Housing Included:	No
Water Pump Drive Type:	Gear
Weight (lb):	4.25
Width (in):	6.3

• 2001-2005 Chevrolet Silverado 2500 HD
• 2001-2005 Chevrolet Silverado 3500
• 2001-2005 GMC Sierra 2500 HD
• 2001-2005 GMC Sierra 3500