Chevy Big Block 348/409 High-Flow Mechanical Water Pump - Polished

• High-volume pump flow helps circulate coolant more efficiently through the radiator and engine passages

• 5.500 in. hub height and 0.625 in. pilot diameter help maintain proper pulley alignment and belt tracking

• 8-vane clockwise impeller design helps maintain steady coolant movement at varying engine speeds

• Polished Aluminum housing finish adds corrosion resistance with a cleaner performance appearance

Add stronger coolant movement and a cleaner front-drive setup to Chevrolet Big Block V8 Gen. I (W) with this high-flow mechanical water pump. Key specs include high-volume, clockwise rotation, 5.500 in. hub height, 0.625 in. pilot diameter, polished aluminum, giving the installation the measurements and materials buyers look for in a quality replacement.

Pulley Alignment
5.500 in. hub height and 0.625 in. pilot diameter help position the pulley and fan drive during installation.

Impeller & Flow Design
The 8-vane clockwise high-volume impeller setup helps move coolant steadily through the block, heads, and radiator circuit.

Installation Notes
Confirm gasket included: yes, mounting hardware included: no, back housing included: yes before final assembly.

What applications is this water pump compatible with?
This water pump is designed for COMPATIBLE WITH, CHEVROLET BIG BLOCK V8 GEN. I (W), 5.7 L / 348 in3, 6.7 L / 409 in3.

Will this water pump fit my engine?
This water pump is intended for Chevy/GM applications and should be matched to your engine's cooling system configuration.

What does a water pump do?
A water pump circulates coolant through the engine and radiator to help maintain proper operating temperature.

What material is this water pump made from?
This water pump is made from aluminum, which helps with durability and heat dissipation.

What type of impeller does this water pump use?
This water pump uses a aluminum impeller to help improve coolant flow efficiency.

Does this water pump include a gasket?
Yes, this water pump includes a gasket for installation.

Is this water pump suitable for performance applications?
Yes, this water pump is designed to support performance and upgraded cooling systems.

Will this water pump help prevent overheating?
Yes, a properly functioning performance water pump can improve coolant circulation and help reduce overheating.

Is this a good upgrade from a stock water pump?
Yes, this water pump is a strong upgrade for improving cooling efficiency and reliability.

Do I need to verify rotation before installation?
Yes, water pump rotation must match your belt drive system to ensure proper coolant flow.

Can this water pump be used with aftermarket radiators?
Yes, this pump can be used with upgraded cooling systems when properly matched to the engine setup.