- Home Page /
- Automotive /
- Oils & Fluids /
- Oils /
- Motor Oils /
- 305 Supreme Formula Engine Oil 40wt Gal.
0 ratings
Item #:
90597433
305 Supreme Formula Engine Oil 40wt Gal.
Item #:
90597433
GBP 72
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 Saturday, August 29
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
Manufacturer Approved for Extended Drain Service; Superior Soot Handling for Improved Performance.
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 Viscosity
Designed for optimal performance in high-temperature environments, ensuring engine protection and smooth operation under extreme conditions.
Superior Additives
Formulated with premium additives that reduce friction and wear, enhancing engine longevity while providing exceptional protection against sludge and deposits.
Versatile Compatibility
Compatible with various engines, making it an ideal choice for both classic and modern vehicles, delivering reliable performance across a wide range of applications.
Product Details
| Brand Name | Swepco |
| Manufacturer Part Number | 305 40wt |
| Manufacturer | Swepco |
| Size | 1 Gallon |
| Item Weight | 8 Pounds (3.63 kg) |
| Unit Count | 128.0 Fluid Ounces |
| Brand | Swepco |
Who Should Buy?
-
Heavy-Duty Engines
Ideal for heavy-duty engines that require high viscosity oil for optimal performance and protection under extreme conditions.
-
High-Temperature Environments
Perfect for vehicles operating in high-temperature situations, ensuring engine longevity by reducing wear and tear.
-
Commercial Vehicles
Designed for commercial fleets needing reliable engine oil that can withstand rigorous driving patterns and extended service intervals.
-
Light Duty Cars
Not suitable for light-duty vehicles that may require lower viscosity oils for optimal fuel efficiency and protection.
Product Description
305 Supreme Formula Engine Oil 40wt Gal.
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is Swepco 305 Supreme Formula Engine Oil?
Answer: Swepco 305 Supreme Formula Engine Oil is a high-performance, multi-grade oil specifically formulated for gasoline and diesel engines. It provides superior lubrication, ensuring optimal engine performance and protection under extreme conditions. This oil is designed to reduce wear and tear, enhance fuel efficiency, and prolong the life of your engine, making it a popular choice among automotive enthusiasts and professionals alike. -
Question:
What are the benefits of using Swepco 305 Supreme 40wt?
Answer: Using Swepco 305 Supreme 40wt provides several benefits, including excellent thermal stability, advanced anti-wear protection, and improved engine cleanliness. The formula is engineered to handle high temperatures and heavy loads, which helps reduce engine strain. It's ideal for applications in trucks, muscle cars, and heavy equipment that demand robust lubrication under extreme conditions. -
Question:
Is Swepco 305 engine oil suitable for high-mileage vehicles?
Answer: Yes, Swepco 305 is suitable for high-mileage vehicles as it contains additives that help reduce engine wear and prevent leaks. High-mileage vehicles often experience oil consumption issues and increased wear due to aging components. This oil’s formulation aids in the maintenance of seals and gaskets, making it an excellent choice for vehicles with higher mileage that still seek dependable performance. -
Question:
What is the viscosity of Swepco 305 Supreme Formula Engine Oil?
Answer: The viscosity of Swepco 305 Supreme Formula Engine Oil is 40wt at operating temperature. This means it provides a thicker oil film that enhances protection and is suitable for high-stress applications. The multigrade classification ensures that it maintains good flow characteristics across a range of temperatures, making it ideal for diverse driving conditions. -
Question:
Can Swepco 305 40wt be used in both gasoline and diesel engines?
Answer: Yes, Swepco 305 40wt is formulated to be versatile for both gasoline and diesel engines. This dual compatibility makes it an excellent choice for mixed fleets. It eliminates the need for multiple oil types, simplifying inventory and maintenance for automotive professionals and DIY enthusiasts alike. -
Question:
Does Swepco 305 contain synthetic additives?
Answer: Yes, Swepco 305 contains advanced synthetic additives designed to enhance the oil's performance characteristics. These additives help provide superior protection against oxidation, sludge formation, and corrosion. The synthetic blend contributes to overall engine cleanliness and efficiency, making this oil a reliable option for those who want to ensure their engine performs optimally. -
Question:
How does Swepco 305 compare to conventional engine oils?
Answer: Swepco 305 typically outperforms conventional engine oils in several key areas, such as thermal stability, wear protection, and resistance to breakdown. While conventional oils may provide basic protection, the advanced formulation of Swepco 305 ensures that your engine operates smoothly under heavier loads and more extreme conditions. It's an excellent investment in long-term engine health. -
Question:
What applications is Swepco 305 recommended for?
Answer: Swepco 305 is recommended for a variety of applications including passenger cars, light trucks, and heavy machinery. It's particularly beneficial in vehicles that operate in extreme conditions or at high-performance levels. Whether in personal vehicles, fleet management, or industrial applications, its robustness makes it versatile and effective across various settings. -
Question:
What are the storage recommendations for Swepco 305 oil?
Answer: To ensure the best performance, Swepco 305 should be stored in a cool, dry place away from direct sunlight and extreme temperatures. Ensure that the container is tightly sealed to prevent contamination. Proper storage helps maintain the integrity of the oil, allowing it to perform as intended when used in your engine. -
Question:
Where can I buy Swepco 305 Supreme Formula Engine Oil 40wt Gal in Guernsey?
Answer: You can buy Swepco 305 Supreme Formula Engine Oil 40wt Gal at Ubuy. Ubuy offers a wide selection of automotive products and ensures that customers have access to high-quality engine oils, making it convenient for your purchasing needs.
Swepco Motor Oils Editorial Review
No editorial reviews found
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
- Excellent engine protection
- Reduces engine wear
- Improves fuel efficiency
- Good for high-performance engines
- High-quality formulation
Cons
- Slightly thicker than some oils
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.
GBP 72
Order now and get it around Saturday, August 29
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
- Approved for extended drain service.
- Provides superior soot handling.
- Enhances performance in new EGR engine designs.
- Formulated with DIMONYL for added protection.
- Exceeds major engine manufacturers' recommendations.
- Contains vital additives like oxidation inhibitors and anti-wear agents.
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.