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High Performance Gasoline Engine Oil SL 5W-30 / 10W-40

Product Description

Our Gasoline Engine Oil SL 5W-30 / 10W-40 is formulated with high-quality base oils and advanced additive technology, designed for modern passenger car engines. It provides excellent wear protection, engine cleanliness, and fuel efficiency, making it ideal for gasoline-powered vehicles operating under various driving conditions.

• Packaging: 1L，4L，5L，200L

• Customized packaging available upon request.

High Performance Gasoline Engine Oil SL 5W-30 / 10W-40

Specifications and Approvals

• API SL

Performance Benefits

• Excellent Anti-Wear Protection

Reduces engine wear and extends engine life.
• Superior Engine Cleanliness

Prevents sludge and deposits for cleaner engines.
• Outstanding Oxidation Stability

Maintains viscosity under high temperatures.
• Fuel Efficiency Improvement

Reduces friction and improves fuel economy.

Applications

Applications of Gasoline Engine Oil SL 5W-30 / 10W-40

Passenger cars (sedans, SUVs)
Light-duty commercial vehicles
Urban driving & highway conditions
High-temperature environments

SL vs SN Engine Oil – What’s the Difference?

SL engine oil is suitable for older gasoline engines, while SN engine oil provides enhanced protection for modern engines with better oxidation stability and emission system compatibility.

Frequently Asked Questions (FAQ)

What is SL engine oil used for?

SL engine oil is designed for gasoline engines requiring API SL specification, commonly used in passenger cars and light-duty vehicles.

Is 5W-30 or 10W-40 better for my car?

5W-30 offers better cold-start performance, while 10W-40 provides stronger protection under high-temperature conditions.

Can I use SL oil in modern vehicles?

It is recommended to follow your vehicle manufacturer’s specification. SL oil is generally suitable for older engines.

How often should I change engine oil?

Typically every 5,000–10,000 km depending on driving conditions and engine requirements.

What is the difference between 5W-30 and 10W-40?

5W-30 flows better at low temperatures, while 10W-40 offers higher viscosity and protection in hot environments.

Why Choose YUANGEN as Your Engine Oil Supplier?

30+ years manufacturing experience
OEM & Private Label support
Bulk supply (18L / 200L)
Global export experience
Stable quality control system

👉 Get a free quote within 12 hours.

Related Products

Get detailed product specifications and have our technical experts confirm whether this formulation is suitable for your equipment.

ACCESS PRODUCT DATA

Typical Test Data

YUANGEN X6 PRIME SL 5W-30

Test Item	Result	Method
Density (20℃), g/cm³	0.850	ASTM D4052
Kinematic Viscosity (100℃), mm²/s	11.0	ASTM D445
Kinematic Viscosity (40℃), mm²/s	62.6	ASTM D445
Viscosity Index	164	ASTM D2270
Pour Point, ℃	-42	ASTM D97
Flash Point (COC), ℃	222	ASTM D92
Viscosity, Crank (-30℃), mPa	5400	ASTM D5293

YUANGEN X6 PRIME SL 10W-40

Test Item	Result	Method
Density (20℃), g/cm³	0.862	ASTM D4052
Kinematic Viscosity (100℃), mm²/s	14.9	ASTM D445
Kinematic Viscosity (40℃), mm²/s	106.9	ASTM D445
Viscosity Index	145	ASTM D2270
Pour Point, ℃	-38	ASTM D97
Flash Point (COC), ℃	224	ASTM D92
Viscosity, Crank (-25℃), mPa	5900	ASTM D5293

Health, Safety & Environment

The product is unlikely to present any significant health or safety hazard when properly used in the recommended application, and good standards of personal hygiene are maintained.
Avoid contact with skin. Use impervious gloves with used oil. After skin contact, wash immediately with soap and water.
Take used oil to an authorised collection point. Do not discharge into drains, soil or water.

Storage

All packages should be stored under cover. Where outside storage is unavoidable, drums should be laid horizontally to avoid the possible ingress of water and damage to drum markings. Products should not be stored above 60°C, exposed to direct sunlight or freezing conditions.

The indicated properties are typical of those obtained with normal production tolerance and do not constitute a specification. All the information contained in this document is considered accurate as of date of printing, and no warranty or representation, expressed or implied is made as to the accuracy of the data and information in this publication. The information contained herein is subject to change without notice.

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For data security, YUANGEN does not disclose detailed product information on this website. Please briefly describe your equipment and application, and our technical team will review your request, provide accurate product specifications, and offer guidance on equipment compatibility.

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