Fully Synthetic API SQ 5W-40 Engine Oil
Fully Synthetic API SQ 5W-40 Engine Oil
Fully Synthetic API SQ 5W-40 Engine Oil
Reliable High-Temperature Protection for Early-Generation American Gasoline Engines Using Fully Synthetic 5W-40 Formulation
Key Highlights
API SQ · SAE 5W-40 · Fully Synthetic · GTL + Group III Base Oil · Afton Additive System
YEFE Fully Synthetic API SQ 5W-40 Engine Oil is formulated to meet the performance demands of earlier-generation American gasoline engines operating under higher thermal and mechanical stress. Developed with a balanced blend of GTL base oil, Group III base oil, and Afton additive technology, this formulation delivers reliable lubrication, stable oil film strength, and effective engine protection across a wide range of driving conditions.
Designed for vehicles without advanced aftertreatment constraints, this oil provides consistent performance in high-temperature operation while maintaining cleanliness and wear control for long-term engine durability. It is well-suited for drivers seeking dependable protection for legacy platforms while complying with China VI emission requirements.
Packaging & Branding Support
YEFE offers affordable and adaptable customization solutions based on the package solutions and branding presentation that distributors and brand owners can introduce lubricant products easily and in a professional manner.
We plan to offer our customization services as a way of minimizing time-to-market with no compromise in the quality of the products and supply reliability.
Packaging Size Options
To facilitate its presence in the market through various sales channels, YEFE has several sizes of its packaging. The customers have the freedom to use appropriate bottle, drum or bulk oil forms depending on the retail strategy, the scale of distribution as well as the logistics needs.
The packaging is in the form of small retail jars, medium sized containers, large drums and bulk oil supply in workshops or industrial customer use. The combination of the packaging sizes will be manipulated based on the volume of orders and positioning in the market.
Packaging Size Options
To facilitate its presence in the market through various sales channels, YEFE has several sizes of its packaging. The customers have the freedom to use appropriate bottle, drum or bulk oil forms depending on the retail strategy, the scale of distribution as well as the logistics needs.
The packaging is in the form of small retail jars, medium sized containers, large drums and bulk oil supply in workshops or industrial customer use. The combination of the packaging sizes will be manipulated based on the volume of orders and positioning in the market.
This fully synthetic 5W-40 engine oil is engineered to deliver stable viscosity control and durable oil film strength for engines designed around higher-viscosity lubrication requirements. The GTL and Group III base oil combination enhances oxidation resistance and thermal stability, while the Afton additive system supports deposit control, wear protection, and consistent performance during extended service intervals.
The formulation is optimized for early-generation American gasoline engines where robust high-temperature protection and shear stability are critical, especially under demanding driving conditions.
| Application Category | Recommended Use |
|---|---|
| Vehicle Type | Passenger cars with gasoline engines |
| Engine Generation | Early-generation American gasoline engines |
| Engine Condition | Naturally aspirated and conventional turbocharged engines |
| Emission Standard | China VI compliant vehicles |
| Driving Conditions | Daily driving, highway operation, and high-temperature environments |
| Suitable Markets | American and Asian market vehicles (earlier factory specifications) |
About YEFE | Manufacturer Behind the Product
YEFE (Shenzhen) Lubricating Oil Co., Ltd. is a professional lubricant manufacturer and global supplier based in Guangdong, China. We specialize in the formulation, blending, filling, and private label production of automotive and industrial lubricants.
With automated production lines, standardized operating procedures, and full-process quality traceability, YEFE delivers stable and consistent lubricant products to distributors, importers, and brand owners across South America, Southeast Asia, the Middle East, and Africa.
Every product is supported by laboratory testing and controlled manufacturing processes to ensure viscosity accuracy, oxidation stability, and long-term performance reliability.
Automated blending & filling production lines
Full SAE grades & API standards coverage
In-house quality testing & batch traceability
OEM / ODM support from formula to packaging
Export experience across emerging markets
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