Yanmar Marine Engine O-Ring - OEM Seal Component
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You have 30 days to request a return. All sale items are final sale.
OEM O-Ring for Yanmar Marine Engines
This genuine Yanmar O-ring is designed for marine engines, providing reliable sealing at various internal and external locations to prevent fluid leaks and maintain proper pressure. Essential for engine service, rebuilds, and seal replacement.
Key Features:
- Genuine OEM O-ring for Yanmar marine engines
- High-quality material resists engine fluids, heat, and pressure
- Prevents fluid leaks and maintains proper sealing
- Manufactured to exact Yanmar specifications
- Essential component for engine service and rebuilds
- Reliable sealing in demanding marine environments
- Proper size and material for marine engine applications
- Resists compression set and deterioration
Function & Importance:
O-rings are critical sealing components used throughout marine engines at various locations including cooling system connections, oil system components, fuel system fittings, and other sealed joints. They provide leak-free seals between mating surfaces, prevent fluids from leaking out, and maintain proper pressure within engine systems. Worn, hardened, or damaged O-rings cause fluid leaks, pressure loss, and potential engine damage.
OEM Quality:
Genuine Yanmar OEM O-rings are manufactured from materials specifically formulated to resist engine fluids (oil, coolant, fuel), heat, and compression set. Using proper OEM O-rings ensures reliable sealing and prevents premature leaks. Generic O-rings may not be compatible with engine fluids or operating temperatures and can cause immediate or delayed leakage.
When to Replace:
O-rings should be replaced during any engine service or repair, whenever components are disassembled, or when addressing fluid leaks. O-rings deteriorate over time due to heat, fluid exposure, and compression, becoming hardened, cracked, or flattened. Always replace O-rings during service - never reuse old O-rings as they will likely leak.
Installation:
Clean O-ring grooves thoroughly before installation. Inspect grooves for damage or sharp edges that could cut the O-ring. Lubricate O-ring with appropriate fluid (oil, coolant, or assembly lube) before installation. Install carefully to avoid twisting, pinching, or cutting the O-ring. Ensure O-ring is properly seated in its groove and not twisted or pinched during assembly.
Service Best Practices:
Always have spare O-rings on hand during engine service. Replace all O-rings whenever components are disassembled, even if they appear undamaged. Use only genuine Yanmar OEM O-rings for critical engine sealing applications. Keep O-rings clean and protected until installation. Follow Yanmar service procedures for proper installation and torque specifications.
Technical Specifications:
- Type: O-ring seal
- Compatible with: Yanmar marine engines
- Part Number: X0506595-01
Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 3–4 business days.
Special-order items: timeline confirmed after order.
Returns & warranty
Returns & Satisfaction Guarantee
We stand firmly behind the quality of every product we sell. Your confidence matters to us — and we back it with a straightforward 30-Day Satisfaction Guarantee.
If you are not fully satisfied, you may request a return within 30 days of delivery. All returns must receive pre-approval prior to being sent back. Unauthorized returns will not be accepted.
To qualify for a return:
Item must be in new, unused condition
Product must be in its original packaging
All parts, components, hardware, manuals, and accessories must be included
Packaging must be undamaged and suitable for resale
Important:
Electronics are strictly inspected. No returns on open-box electronics. Exceptions may apply only with prior written approval. Any electronic unit that has been installed, powered, activated, or altered may not be eligible for return.
We are serious about product integrity — and equally serious about taking care of our customers. If there is ever a product issue, contact us immediately so we can make it right.
For return authorization, please contact our support team before shipping anything back.