6E5-42724-01 Yamaha Grommet | Genuine OEM Yamaha Outboard Part

🔧 Product Description

Genuine Yamaha Upper Water Tube Grommet - Part Number: 6E5-42724-01

A genuine Yamaha upper water-tube grommet for selected mid- and high-horsepower outboards.

The grommet seals and supports the cooling-water tube where it enters the upper casing or powerhead adaptor. It prevents cooling water escaping around the tube and helps maintain correct alignment between the lower-unit pump and powerhead cooling passages.

⚙️ Key Features

• Genuine Yamaha OEM upper water-tube grommet
• Correct current Yamaha part number 6E5-42724-01
• Supersedes earlier grommet 6E5-42724-00
• Seals and supports the water tube within the upper casing
• Heat- and water-resistant moulded rubber construction

🚤 Compatibility

Commonly used on

• Yamaha upper-casing cooling-water tube assemblies
• Powerhead, exhaust-guide and lower-unit service procedures

Typically suits

• Engine models:
• Yamaha 115HP V4 two-stroke
• Yamaha 130HP V4 two-stroke
• Yamaha 150HP V6 two-stroke
• Yamaha 175HP V6 two-stroke
• Yamaha 200HP V6 two-stroke
• Yamaha 225HP V6 two-stroke
• Yamaha 250HP V6 two-stroke
• Yamaha F115 four-stroke applications using the 6E5 upper-casing system
• Yamaha F150 four-stroke applications where specified
• Yamaha F200, F225 and F250 four-stroke applications using this water-tube grommet
• Upper-casing assemblies whose parts diagram specifies 6E5-42724-01
• HP Range: Approximately 115HP - 250HP
• Engine Type: Yamaha V4 / V6 two-stroke and selected four-stroke outboard
• Year Range: Approximately mid-1980s onward, dependent on upper-casing design

🔌 Function

The grommet seals the upper end of the cooling-water tube so water delivered by the lower-unit pump enters the engine cooling passages without leakage.

⚠️ Common Signs of Failure

• Cooling water leaks inside the upper casing
• Reduced water pressure at the powerhead
• Engine overheats despite a serviceable impeller
• Grommet is hardened, split or distorted
• Water tube becomes loose or misaligned during lower-unit installation

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 6E5-42724-01 → Supersedes 6E5-42724-00
• 6E5-42724-00 earlier OEM water-tube grommet reference

OEM / Related Numbers

• 6E5-42724-01
• 6E5-42724-01-00
• 6E5-42724-00
• 6E5-42724-00-00
• Upper water-tube grommet
• Cooling-water tube seal

Aftermarket / Verified Equivalents

• No aftermarket equivalent

📦 Condition

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