Yanmar Genuine Coolant YG30R - Marine Diesel Engine Antifreeze
Free returns on all eligible orders
You have 30 days to request a return. All sale items are final sale.
Genuine Yanmar Coolant - Professional Marine Engine Antifreeze
OEM coolant formulated specifically for Yanmar marine diesel engines. Premium ethylene glycol-based antifreeze/coolant that provides superior corrosion protection, freeze protection, and heat transfer for optimal engine cooling system performance.
Key Features:
- Genuine Yanmar OEM product (YG30R)
- Pre-mixed ready-to-use formula
- Extended life coolant formulation
- Superior corrosion protection for aluminum, cast iron, and copper components
- Prevents cavitation and electrolysis damage
- Maintains optimal heat transfer efficiency
- Compatible with all Yanmar marine diesel engines
Applications:
Designed for Yanmar marine diesel engine cooling systems. Provides year-round protection against freezing, boiling, and corrosion in fresh water cooling circuits.
Performance Benefits:
Formulated to Yanmar's exact specifications to ensure compatibility with engine materials and maximize cooling system life. Prevents scale buildup, maintains proper pH balance, and protects against liner pitting and water pump seal degradation.
Maintenance Note:
Follow Yanmar's recommended coolant change intervals. Use only genuine Yanmar coolant to maintain warranty coverage and ensure optimal engine protection.
Quality Assurance:
Backed by Yanmar's engineering excellence and reputation for reliable marine propulsion systems. Professional-grade coolant for commercial and recreational vessels.
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.