- Home Page /
- Automotive /
- Oils & Fluids /
- Oils /
- Motor Oils /
- Mercury 25W-40 4-Stroke Synthetic Blend Marin...
0 ratings
Item #:
7721202
Mercury 25W-40 4-Stroke Synthetic Blend Marine Engine Oil, 1 Quart - 8M0078629
Item #:
7721202
€ 31
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
0 ratings
Write a review
In stock
Imported from USA store
QTY:
Order now and get it around Thursday, August 27
Secured transaction
Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
Our Top Logistics Partners
This synthetic blend of premium grade base stocks contains specifically designed additives for optimum marine performance that regular automotive oils do not require. Superior moisture and rust protection, improved performance and protection against wear for trouble-free operation.
Fast
Shipping
Free
Return*
Secure Packaging
100% Original Products
PCI DSS Compliance
ISO 27001 Certified
Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
Synthetic Blend
Combines the advantages of synthetic and conventional oils, providing superior protection and performance for marine engines, ensuring long-lasting durability and efficiency.
High Versatility
Designed for a wide range of marine engines, this oil meets the demands of various boating conditions, making it a reliable choice for all types of watercraft.
Corrosion Protection
Specially formulated to resist corrosion and oxidation, this oil helps extend engine life and ensures optimal performance, even in harsh marine environments.
Product Details
- Designed specifically for marine engines subjected to high loads and running stresses
- Formulated with premium-grade base stocks and additives for optimal marine performance
- Provides superior lubrication and corrosion protection for all 4-cycle gasoline engines
- Offers improved performance and protection against wear for trouble-free operation
- Engineered, tested, and qualified by Mercury Marine Engineering
- Superior moisture and rust protection for reliable marine engine performance
| Container Type | Bottle |
| Compatible with Vehicle Type | Marine Engines |
| Flash Point | 400 Degrees Fahrenheit |
| Automotive Fit Type | Vehicle Specific Fit |
| Liquid Volume | 1 Liters |
| Brand Name | MERCURY |
| Manufacturer Part Number | 8M0078629 |
| UPC | 745061915688 |
| Manufacturer | Mercury Marine |
| Model Number | 8M0078629 |
| Item Weight | 1 Pounds (450 grams) |
| Included Components | Engine Oil |
| Unit Count | 32 Fluid Ounces |
| Brand | MERCURY |
| Package Information | Bottle |
| Vehicle Service Type | Marine Engines |
Who Should Buy?
-
Marine Enthusiasts
Ideal for boat owners who require reliable engine oil for four-stroke engines in various marine conditions.
-
Seasonal Users
Perfect for users who operate their vessels infrequently, providing enhanced protection during long periods of non-use.
-
Preventative Maintenance
Beneficial for those performing regular engine maintenance who want to ensure optimal performance and longevity.
-
High-Performance Engines
Not suitable for high-performance engines that require specialized oils with specific additives for maximum efficiency.
Product Description
Mercury 25W-40 4-Stroke Synthetic Blend Marine Engine Oil, 1 Quart - 8M0078629
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is OEM Mercury 4-Stroke FC-W SAE 25W-40 Synthetic Blend Engine Oil used for?
Answer: OEM Mercury 4-Stroke FC-W SAE 25W-40 Synthetic Blend Engine Oil is specifically designed for 4-stroke marine engines, providing optimal lubrication and protection. It ensures smooth engine performance, enhances fuel efficiency, and safeguards against wear and corrosion. Ideal for recreational boating, this oil caters to both weekend sailors and avid fishermen, ensuring your engine runs smoothly in various water conditions. -
Question:
What are the benefits of using synthetic blend engine oil?
Answer: Synthetic blend engine oil combines the best properties of synthetic and conventional oils, offering improved performance and protection. This blend results in better temperature stability, enhanced lubrication during cold starts, and reduced oxidation. For boaters in varying climates, the synthetic blend helps maintain engine integrity, making it an excellent choice for both casual and competitive boating. -
Question:
How often should I change my engine oil?
Answer: Regular oil changes are crucial for optimal engine performance. While it typically depends on the frequency of use, a general guideline is to change the oil every 100 hours of operation or at least once per season. For those who use their boats extensively or in harsh conditions, more frequent changes may be necessary to maintain engine health and efficiency. -
Question:
Is this engine oil suitable for use in all marine 4-stroke engines?
Answer: OEM Mercury 4-Stroke FC-W SAE 25W-40 Synthetic Blend Engine Oil is specially formulated for Mercury and Mariner 4-stroke engines. While it may be suitable for some other marine 4-stroke engines, it is always best to consult the owner's manual for compatibility. This can help ensure the engine's performance and longevity. -
Question:
Can I mix this oil with other engine oils?
Answer: Mixing different engine oils is generally not recommended, as it can compromise performance and lead to engine issues. The OEM Mercury 4-Stroke FC-W SAE 25W-40 Synthetic Blend Engine Oil is crafted to provide specific benefits, and using it exclusively helps maintain consistency in lubrication and protection. Therefore, it's wise to drain any other oil before switching to this product. -
Question:
What viscosity does this engine oil have?
Answer: This engine oil has a viscosity rating of 25W-40, indicating its performance in both low and high temperatures. The 'W' stands for winter, meaning it performs adequately in cold conditions, while the '40' showcases its ability to maintain lubricant properties in hotter environments. This dual capability makes it ideal for varied marine conditions, ensuring reliable operation year-round. -
Question:
What does 'FC-W' mean on the label?
Answer: 'FC-W' is a classification that denotes oil suitable for marine applications, particularly designed for 4-stroke outboard and inboard engines. This designation ensures that the oil meets specific performance criteria set by the NMMA (National Marine Manufacturers Association), helping safeguard engines from wear, rust, and other environmental challenges, making it a trusted choice for marine enthusiasts. -
Question:
How does using this oil affect engine performance?
Answer: Using OEM Mercury 4-Stroke FC-W SAE 25W-40 Synthetic Blend Engine Oil significantly enhances engine performance by ensuring optimal lubrication and reducing wear. Improved fuel efficiency is another benefit attributed to this specialized oil, allowing boaters to enjoy longer trips without frequent refueling. Overall, it helps ensure that the engine runs smoothly and efficiently during both leisure and competition. -
Question:
Does this engine oil help in reducing emissions?
Answer: Yes, using OEM Mercury 4-Stroke FC-W SAE 25W-40 Synthetic Blend Engine Oil contributes to lower emissions. Its superior formulation reduces harmful exhaust emissions compared to conventional oils, aligning with environmental standards. This feature not only benefits the environment but also supports sustainable boating practices, making it a responsible choice for environmentally-conscious boaters. -
Question:
Where can I buy OEM Mercury 4-Stroke FC-W SAE 25W-40 Synthetic Blend Engine Oil One Quart?
Answer: You can purchase OEM Mercury 4-Stroke FC-W SAE 25W-40 Synthetic Blend Engine Oil One Quart through Ubuy in Malta. Ubuy offers a wide selection of quality marine engine oils, making it easy to find the right product for your needs.
MERCURY Motor Oils 8M0078629 Editorial Review
The MERCURY Genuine 1 Quart 4-Cycle Oil, Syn, Mpp - 8M0078629 has received positive reviews from customers. Many have used this product for years and have found it to outperform other brands. Customers have noted that the oil is long-lasting and keeps the motor clean. While the price of the oil is known to be high, customers have found the fast shipping to make up for the added cost. Overall, this product is a great option for those in need of quality motor oil.
Customer Reviews & Ratings
1 customers ratings
-
5 Star
100%
-
4 Star
0%
-
3 Star
0%
-
2 Star
0%
-
1 Star
0%
Review this product
Share your thoughts with other customers
Pros
- Outperforms other brands
- Long-lasting and keeps the motor clean
- Fast shipping
Cons
- High price
Platform Trust & Buyer Confidence
MA
Mohammad
Verified buyer
“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
CK
Chitra
Verified buyer
“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
22-Jul-26 · via Trustpilot
K
kund
Verified buyer
“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
23-Jul-26 · via Trustpilot
OO
Onesi
Verified buyer
“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
22 July 2026 · via Trustpilot
SJ
SAO JOHN
Verified buyer
“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”
23 July 2026 · via Trustpilot
Secure Checkout
Global Delivery
Easy Returns
Genuine Products
Product Price History
Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
- Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.
€ 31
Order now and get it around Thursday, August 27
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
Secured transaction
PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
Our Top Logistics Partners
Fastest cross-border delivery
Features & Benefits
- Superior moisture and rust protection
- Provides outstanding wear and corrosion protection which help extend engine life
- Eliminates thermal breakdown under extreme rpm, temperatures and loads
- Exceeds oil requirements and FC-W Catalyst Compatible qualifications for all marine engine manufacturers
- Approved for use in any marine engine equipped with or without a catalytic converter
- Use of this oil will not void manufacturers warranties
Ubuy Assurance
Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.