Gates 46006HD Engine Water Pump

Gates Heavy-Duty Water Pump 46006HD

The Gates 46006HD engine water pump is built for heavy-duty cooling system service with a cast iron housing and cast iron impeller. It uses an accessory belt drive, standard rotation, and includes 2 O-rings for a direct replacement on the specified application.

Gates Heavy-Duty Water Pump components are built for demanding service intervals, with each new pump undergoing seal and bearing function testing plus leakage testing of the casting and assembled unit. This makes the 46006HD a practical choice for maintaining coolant circulation in vehicles that rely on durable cooling performance.

Key Features

• Engine water pump for heavy-duty cooling system repair
• Cast iron housing and cast iron impeller for durable construction
• Standard impeller rotation
• Accessory belt driven design
• Outlet quantity: 5
• Includes water pump and 2 O-rings
• No pulley, fan clutch, or thermostat housing included
• No back housing included

Application Details

Compatible with vehicle applications that use the Gates 46006HD water pump specification. This part number is commonly searched for heavy-duty cooling repairs on Chevrolet and GMC diesel applications, including Chevrolet/GMC 6.5L diesel water pump replacement searches. If you are sourcing a Gates water pump 46006HD for a heavy-duty cooling service, verify the mounting style, belt drive layout, and outlet configuration before installation.

This part cross-references Monroe Shocks & Struts (e.g., 946006HD, RW6128) for the same application.

What It Helps Address

• Coolant circulation problems caused by a worn pump
• Leakage from failed seals or casting surfaces
• Noise from worn bearings in the water pump assembly
• Overheating related to reduced coolant flow
• Cooling system service needs on accessory-belt-driven engines

Installation Notes

Confirm accessory belt drive alignment, outlet count, and standard rotation before installation. Replace the O-rings during service and inspect the mating surfaces, hoses, and belt condition to help prevent repeat leaks. Verify the pump matches the engine’s cooling system layout and mounting points for the intended Chevrolet or GMC application.

Quality Assurance

Gates manufactures this heavy-duty water pump with premium alloy materials and performs 100 percent functional testing of seals and bearings, along with 100 percent leakage testing of the casting and assembled pump. The result is an OE-quality fit for the specified application.