0 ratings
Item #:
13273684
25W-40 FC-W Synthetic Blend Oil, 5Qt.
Item #:
13273684
MVR 1154
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
Order now and get it around Sunday, July 19
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
Superior corrosion protection and advanced lubrication for reduced wear - this 4 cycle oil offers outstanding performance under extreme conditions.
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
High Performance
Provides superior protection and performance for marine engines, ensuring optimal operation under various conditions and extending engine life.
Versatile Use
Suitable for a range of four-stroke outboard and inboard engines, making it a reliable choice for boat enthusiasts looking for optimal lubricant.
Synthetic Blend
Combines synthetic and conventional oils to deliver enhanced thermal stability and reduced wear, offering an excellent balance of performance and affordability.
Product Details
| Item Weight | 5.5 lbs (2.49 kg) |
Who Should Buy?
-
Marine Engines
Ideal for boats and marine applications, providing excellent protection and performance for high-revving engines.
-
High-Temperature Conditions
Designed to maintain viscosity and performance in extreme temperatures, beneficial for hot operating conditions.
-
Synthetic Blend Advantage
Offers improved lubrication and protection characteristics over conventional oils, suitable for modern, high-demand engines.
-
Standard Vehicles
Not ideal for everyday road vehicles requiring specific oil grades or standards outside marine applications.
-
Cold Weather Use
May not perform effectively in very cold temperatures, as 25W-40 may be too thick for winter conditions.
-
Older Engines
May not be recommended for older engines that require specific traditional oil types or lower viscosity oils.
Product Description
25W-40 FC-W Synthetic Blend Oil, 5Qt.
About This Item
Introducing the Sierra 18-9440-4 25W40 Synthetic Blend Engine Oil - the perfect choice for sterndrive and inboard engines. This 4 cycle oil is meticulously blended with premium grade synthetic and mineral based stock, along with specially designed additives. The result? Superior performance and protection for your engine.
With its advanced lubrication properties, this synthetic blend engine oil helps reduce wear to internal engine components, ensuring your engine stays in prime condition for longer periods of time. Plus, it offers outstanding friction reduction, which means smoother operation and improved fuel efficiency. When it comes to extreme conditions, this oil is up for the challenge.
It is formulated to withstand high RPMs, extreme temperatures, and heavy loads without breaking down, thanks to its resistance to thermal breakdown. Rest assured, this Sierra engine oil has been extensively tested to deliver outstanding performance. You can trust it to keep your engine running smoothly, even under the most demanding conditions.
So why wait? Experience the benefits of the Sierra 18-9440-4 25W40 Synthetic Blend Engine Oil for yourself. Buy it online today and say goodbye to engine worries.
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What type of engines is this oil suitable for?
Answer: This oil is specifically formulated for use with sterndrive and inboard engines. -
Question:
Does it offer corrosion protection?
Answer: Yes, this oil provides superior corrosion protection for the engine. -
Question:
Can it withstand extreme temperatures and loads?
Answer: Yes, this oil is designed to handle high temperatures, high RPMs, and heavy loads.
Sierra Motor Oils Editorial Review
The Sierra 18-9440-4 25W40 Synthetic Blend Engine Oil has garnered a positive reception from customers seeking a reliable oil for specific engine types, particularly older models. Users appreciate the uncommon viscosity of 25W40, which caters to vehicles that traditionally require 20W or 30W oils. This makes it an appealing option for those with vintage engines or less common vehicle models. Many reviews highlight the cost-effectiveness of this oil, noting that it provides significant savings compared to other brands without compromising on quality. Customers have experienced improvements in oil pressure after switching to Sierra, indicating a successful match for their engine needs. The overall sentiment points towards a solid choice for those looking for a synthetic blend oil that fits unique specifications at a competitive price. **
Customer Reviews & Ratings
1 customers ratings
-
5 Star
0%
-
4 Star
100%
-
3 Star
0%
-
2 Star
0%
-
1 Star
0%
Review this product
Share your thoughts with other customers
Pros
- Rare viscosity (25W40) accommodates older engine specifications.
- Cost-effective; prices are competitive compared to other brands.
- Positive results seen in oil pressure after use.
- Suitable for various engines, including Mercruiser stern drives.
Cons
- Limited availability compared to more common oil viscosities.
Platform Trust & Buyer Confidence
MT
Mohd
Verified buyer
“The product received very good packaging & safe…Thank You”
16 June 2026 · via Trustpilot
SJ
Shawati
Verified buyer
“Accurate delivery timing given”
16 June 2026 · via Trustpilot
YB
Youcef
Verified buyer
“Not madly expensive like I thought, and much quicker than promised.”
15 June 2026 · via Trustpilot
LM
Leila
Verified buyer
“Never dealt with Ubuy before, but everything worked out great. Seamless cross border purchasing and shipping. Thanks!”
6/7/2026 · via Trustpilot
KA
Kwame
Verified buyer
“The process was smooth, with clear communication and timelines. This was my 1st purchase and I am really impressed. I will definitely be coming back.”
12 June 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.
MVR 1154
Order now and get it around Sunday, July 19
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
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.