0335523 Evinrude Johnson O-ring | Genuine OEM BRP Outboard Part
0335523 Evinrude Johnson O-ring | Genuine OEM BRP Outboard Part
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🔧 Product Description
Genuine BRP Evinrude Johnson Cylinder Head Cooling-Jacket O-Ring - Part Number: 0335523
A genuine BRP large rubber O-ring used to seal the cylinder head or cylinder-head cooling cover on selected Evinrude and Johnson outboards.
The O-ring seals the cooling-water jacket around the cylinder head and prevents water from leaking externally or bypassing between cooling passages.
⚙️ Key Features
- Genuine BRP Evinrude Johnson OEM cylinder-head O-ring
- Correct BRP part number 0335523
- Used on conventional V4, V6 and E-TEC cylinder heads
- Large moulded cooling-jacket seal
- Sierra, GLM and direct aftermarket replacements available
🚤 Compatibility
Commonly used on
- Evinrude Johnson V4 and V6 cylinder-head cooling jackets
- Evinrude E-TEC cylinder-head and water-cover assemblies
Typically suits
- Engine models:
- Evinrude and Johnson 90HP
- Evinrude and Johnson 100HP
- Evinrude and Johnson 105HP
- Evinrude and Johnson 115HP
- Evinrude and Johnson 130HP and 135HP
- Evinrude and Johnson 150HP
- Evinrude and Johnson 175HP
- Evinrude and Johnson 200HP
- Evinrude E-TEC 40HP through 90HP
- Evinrude E-TEC 115HP through 200HP where the 335523 head seal is specified
- HP Range: 90HP - 200HP conventional two-stroke; approximately 40HP - 200HP E-TEC
- Engine Type: Evinrude Johnson two-stroke and E-TEC direct-injection outboard
- Year Range: Approximately 1991 - 2004 for conventional engines and 2004 onward for compatible E-TEC applications
🔌 Function
The O-ring seals the cylinder-head cooling-water jacket and keeps water within the intended cooling passages.
⚠️ Common Signs of Failure
- Water leaks around the cylinder-head cover
- Salt deposits appear around the head perimeter
- Engine overheats because cooling water bypasses
- O-ring becomes flattened, cracked or hardened
- Cylinder-head cover will not reseal after removal
🔄 Supersession & Cross Reference
OEM Supersession Chain
- 0335523 current BRP service reference
- 0765554 related BRP replacement and service-pack reference
OEM / Related Numbers
- 0335523
- 335523
- 0765554
- 765554
- Related cylinder-head cover, thermostat and water-jacket components
Aftermarket / Verified Equivalents
- Sierra: 18-7110
- Sierra: 18-7110-9 multipack
- Sierra: 18-0490 related gasket-set application
- GLM direct replacement: 335523
- Direct aftermarket cylinder-head O-ring: 0335523
📦 Condition
- Genuine BRP 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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