Bronco Water Pump Impeller & Shaft for Yamaha Replaces OEM# 3B4-12450-00-00

Bronco Water Pump Impeller & Shaft for Yamaha

This Bronco water pump impeller and shaft replaces OEM number 3B4-12450-00-00 for Yamaha, restoring coolant circulation and preventing engine overheating. It is a direct-fit replacement for the water pump assembly on applicable Yamaha models. The impeller and shaft work together to maintain proper cooling system function.

Overview

This Bronco water pump impeller and shaft is a replacement component for Yamaha engines, directly substituting OEM part 3B4-12450-00-00. It is designed to circulate coolant through the engine block, preventing overheating and ensuring consistent operating temperatures. The impeller and shaft assembly is essential for any Yamaha water pump repair or rebuild.

Built For Performance

• Replaces OEM number 3B4-12450-00-00
• Precision-machined for a perfect fit in Yamaha water pumps
• Corrosion-resistant materials extend service life
• Ensures efficient coolant flow and heat dissipation
• Drop-in replacement with no modifications needed

On-The-Job Use

• Used in Yamaha outboard engines and watercraft
• Commonly installed during water pump service or rebuild
• Essential for maintaining engine cooling in marine applications

Specs At A Glance

Good To Know

Q: Will this impeller fit my Yamaha WaveRunner? A: It is designed for Yamaha engines that use OEM part 3B4-12450-00-00; check your owner manual or existing part number to confirm fit.

Q: Do I need to replace the water pump housing gasket when installing? A: It is recommended to replace the housing gasket to prevent leaks; a gasket may not be included with this impeller and shaft.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.