Yanmar OEM Internal Engine Anode 27210-200200
Free returns on all eligible orders
You have 30 days to request a return. All sale items are final sale.
The Yanmar 27210-200200 is a genuine OEM sacrificial anode designed for Yanmar marine diesel engines, providing cathodic protection for internal cooling passages, heat exchangers, and engine block components against galvanic corrosion in saltwater and freshwater environments.
Key Features
- Genuine Yanmar OEM part — exact fit and alloy specification
- Protects heat exchangers, oil coolers, and cooling passages
- Sacrifices itself to prevent corrosion of expensive engine components
- Suitable for saltwater and freshwater operation
- Easy inspection and replacement during routine service
Engine Compatibility
Designed for Yanmar marine diesel engines. Always verify compatibility using your engine serial number and Yanmar parts diagram.
✔ Installed in:
- Heat exchangers
- Engine block cooling ports
- Oil cooler passages
Serial Number Fitment Notice
- Confirm part number 27210-200200 against your engine serial number
- Verify thread size and anode length before ordering
- Consult Yanmar parts diagram for your specific model
When This Part Needs Replacement
- Anode is 50% or more consumed
- Excessive scaling, buildup, or discoloration
- Reduced cooling efficiency or overheating symptoms
- Every 100 operating hours or annually — more frequently in saltwater
Installation Notes
- Clean mounting threads and surface before installation
- Ensure bare metal-to-metal contact — no paint or coatings on mounting surface
- Do not use thread sealant that could insulate the anode
- Torque to Yanmar specification — do not over-tighten
- Replace before full depletion to prevent debris in cooling system
Alternate / Cross-Reference Part Numbers
- Yanmar OEM: 27210-200200
Parts Desk Insight
Yanmar engine anodes are one of the most overlooked service items — hidden inside the cooling system, they’re easy to forget until overheating or corrosion damage shows up. Check them at every oil change and always use genuine Yanmar OEM parts to ensure correct alloy composition and protection.
Shipping
Ships in 1–3 business days for fast Canada wide shipping. ⚓
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.