93210-37M67 Yamaha O-Ring | Genuine OEM Yamaha Outboard Part

🔧 Product Description

Genuine Yamaha Upper Water Pump Housing O-Ring - Part Number: 93210-37M67

A genuine Yamaha O-ring fitted around the upper water-pump housing, cartridge insert or outlet passage on selected medium and large lower units.

The O-ring seals the pump housing and maintains cooling-water pressure between the impeller chamber and the engine water tube.

⚙️ Key Features

• Genuine Yamaha OEM water-pump housing O-ring
• Correct Yamaha part number 93210-37M67
• Supersedes earlier O-ring 93210-37160
• Used on selected medium and large Yamaha gearcases
• Sierra and GLM replacements available

🚤 Compatibility

Commonly used on

• Yamaha upper water-pump housing and cartridge assemblies

Typically suits

• Engine models:
• Yamaha 115HP and 130HP two-stroke
• Yamaha 150HP, 175HP and 200HP two-stroke
• Yamaha 225HP and 250HP
• Yamaha Z150, Z175, Z200, Z250 and Z300 HPDI
• Yamaha F75, F80, F90 and F100 gearcases where specified
• Yamaha F115 and F150
• Yamaha F200, F225 and F250
• Yamaha F300 applications using the matching water-pump housing
• HP Range: Commonly 75HP - 300HP
• Engine Type: Yamaha two-stroke, HPDI and four-stroke outboard
• Year Range: Approximately 1990s onward, dependent on gearcase

🔌 Function

The O-ring seals the upper water-pump housing so cooling water cannot escape around the cartridge or outlet passage.

⚠️ Common Signs of Failure

• Weak tell-tale or cooling-water output
• Engine overheats despite a serviceable impeller
• Water leaks around the pump housing
• O-ring becomes flattened, cut or hardened
• Pump output remains poor after the housing is installed

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 93210-37M67-00 → Supersedes 93210-37160-00
• 93210-37160-00 earlier Yamaha water-pump O-ring reference

OEM / Related Numbers

• 93210-37M67
• 93210-37M67-00
• 9321037M6700
• 93210-37160
• 93210-37160-00
• Related Yamaha water-pump housing and cartridge-insert references

Aftermarket / Verified Equivalents

• Sierra: 18-7483
• GLM: 84300
• Direct replacement water-pump O-ring: 93210-37M67

📦 Condition

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