61A-44311-01 Yamaha Housing | Genuine OEM Yamaha Outboard Part

🔧 Product Description

Genuine Yamaha Water Pump Housing - Part Number: 61A-44311-01-00

A genuine Yamaha OEM water pump housing used in Yamaha outboard lower-unit cooling systems. This housing supports the impeller and insert cup inside the water pump assembly, helping the pump draw cooling water and deliver it through the engine.

⚙️ Key Features

• Genuine Yamaha OEM water pump housing
• Correct Yamaha part number 61A-44311-01-00
• Supersedes / relates to earlier 61A-44311-00 and 6E5-44311-00 housing references
• Used in Yamaha high-output water pump assemblies
• Supports the impeller, cup and lower-unit cooling-water pump system

🚤 Compatibility

Commonly used on

• Yamaha water pump assemblies
• Yamaha 61A-series lower-unit cooling systems

Typically suits

• Engine models:
• Yamaha 115HP two-stroke water pump applications where 61A-44311-01 is specified
• Yamaha 150HP two-stroke water pump applications where 61A-44311-01 is specified
• Yamaha 175HP two-stroke water pump applications where 61A-44311-01 is specified
• Yamaha 200HP two-stroke water pump applications where 61A-44311-01 is specified
• Yamaha 225HP two-stroke water pump applications where 61A-44311-01 is specified
• Yamaha 250HP two-stroke water pump applications where 61A-44311-01 is specified
• Yamaha F70 four-stroke water pump applications where 61A-44311-01 is specified
• Yamaha F115 / F150 / F200 / F225 / F250 four-stroke water pump applications where specified by diagram
• HP Range: commonly 115HP - 250HP two-stroke and selected F70-F275 four-stroke applications where listed
• Engine Type: Yamaha outboard lower-unit cooling system
• Year Range: model-specific Yamaha 61A water pump applications
• System Type: Water pump housing

🔌 Function

The water pump housing holds the impeller and insert cup in position so the pump can move cooling water from the lower unit up through the engine cooling passages.

⚠️ Common Signs of Failure

• Weak tell-tale water flow
• Engine overheating
• Grooved, melted or warped pump housing
• Impeller damage caused by poor housing condition
• Air leakage around pump assembly
• Salt corrosion or scale build-up inside housing
• Water pump service due after impeller failure

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 61A-44311-01-00 later Yamaha water pump housing reference
• 61A-44311-00-00 related earlier Yamaha water pump housing reference
• 6E5-44311-00-00 related earlier Yamaha water pump housing reference

OEM / Related Numbers

• 61A-44311-01-00
• 61A-44311-01
• 61A443110100
• 61A4431101
• 61A-44311-00-00
• 61A-44311-00
• 6E5-44311-00-00
• 6E5-44311-00

Aftermarket / Verified Equivalents

• Aftermarket housing reference: HJB-HS0012
• Aftermarket reference: 61A-44311-01
• Aftermarket reference: 61A-44311-00
• Aftermarket reference: 6E5-44311-00
• Replacement water pump housing for Yamaha 61A / 6E5 pump assemblies
• Included in selected aftermarket Yamaha water pump repair kits where housing is supplied

📦 Condition

• Genuine Yamaha part
• Brand new
• Supplied in original or equivalent packaging