64E-43867-09 Yamaha Seal | Genuine OEM Yamaha Outboard Part
64E-43867-09 Yamaha Seal | Genuine OEM Yamaha Outboard Part
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🔧 Product Description
Genuine Yamaha Inner Tilt Cylinder O-Ring Seal - Part Number: 64E-43867-09
A genuine Yamaha inner hydraulic O-ring, identified in Yamaha trim diagrams as O-Ring 7, for selected power trim and tilt cylinder assemblies.
The seal fits within the trim-cylinder end-cap arrangement and supports hydraulic pressure retention around the internal sealing components. It is commonly renewed together with the outer O-ring, dust seal and rod seal during trim-cylinder rebuilding.
⚙️ Key Features
- Genuine Yamaha OEM inner trim-cylinder O-ring
- Correct current Yamaha part number 64E-43867-09
- Supersedes the earlier 64E-43867-00 reference
- Used in the hydraulic cylinder end-cap assembly
- Cross-references with WSM replacement O-ring 526-58
🚤 Compatibility
Commonly used on
- Yamaha large-outboard hydraulic trim-cylinder end caps
- Yamaha two-stroke, OX66, HPDI and four-stroke power trim systems
Typically suits
- Engine models:
- Yamaha 115HP, C115, F115, LF115 and B115
- Yamaha 130HP and L130
- Yamaha 150HP, C150, F150, FL150, L150, LZ150, S150, SX150, V150, VX150, VZ150 and Z150
- Yamaha 175HP, F175, V175, VZ175 and Z175
- Yamaha 200HP, F200, FL200, LF200, L200, LZ200, SX200, V200, VX200, VZ200 and Z200
- Yamaha 225HP, F225, LF225, V225, VX225, VZ225 and Z225
- Yamaha 250HP, F250, LF250, VX250, VZ250 and Z250
- Yamaha VZ300 and Z300 HPDI trim assemblies
- HP Range: 115HP - 300HP
- Engine Type: Yamaha two-stroke, OX66, HPDI and four-stroke outboard
- Year Range: Approximately 1997 - 2018, dependent on trim-cylinder design
🔌 Function
The O-ring provides an internal hydraulic seal within the trim-cylinder end-cap assembly. It supports consistent trim pressure and prevents fluid from bypassing the sealing surfaces.
⚠️ Common Signs of Failure
- Hydraulic oil leakage from the cylinder end cap
- Trim ram drifts downward after the switch is released
- Weak or inconsistent trim response
- O-ring appears cut, compressed or chemically swollen
- Internal leakage remains after replacing the external dust seal
🔄 Supersession & Cross Reference
OEM Supersession Chain
- 64E-43867-09 → Supersedes 64E-43867-00
- 64E-43867-00 earlier Yamaha inner O-ring reference
OEM / Related Numbers
- 64E-43867-09
- 64E-43867-09-00
- 64E438670900
- 64E-43867-00
- 64E-43867-00-00
- 64E-43866-09 related outer O-ring
- 64E-4384J-00 related trim-down seal
Aftermarket / Verified Equivalents
- WSM: 526-58
📦 Condition
- Genuine Yamaha part
- Brand new
- Supplied in original or equivalent packaging
Shipping & Delivery
Shipping & Delivery
Flat-rate shipping Australia-wide — $14.99 per order, no matter how many parts you add. Orders dispatch from our Kadina, South Australia store. Need it urgently or want to collect in person? Call us on 0412 532 984 before ordering.
Returns & Warranty
Returns & Warranty
14-day change-of-mind returns — if it's not right or you ordered the wrong part, send it back within 14 days in new, unused condition for a refund or exchange. Manufacturer warranties apply to new parts. Full details in our Refunds & Returns policy.
Not sure this fits?
Not sure this fits?
Ask us before you buy — we check part numbers and fitment every day. Call 0412 532 984 (Mon–Fri 8.30am–4.30pm) or message us through the contact page with your engine or vehicle details.
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