Name: ER Ester Engine Oil 5W40
Brand: ER Ester Engine Oil
SKU: 5w40
Availability: InStock

5W40 Ester Fully Synthetic Engine Oil

Spirited Mountain Driving | High-Speed Long Distance | High-Temperature Stability

5W40 is built for high-load and high-temperature conditions, especially suited to spirited driving, mountain-road use, and extended high-speed travel. It provides stronger oil film protection and stable power delivery, helping the engine remain in top condition under demanding use.

Product Specifications

Product Name

ER Ester Engine Oil 5W40

Viscosity Grade

5W40

Capacity

Recommended Use

Spirited mountain driving, high-speed long distance

Suitable Vehicle Types

Cars, diesel vehicles, scooters, manual motorcycles

Product Positioning

High-load and performance-focused

Certifications

API SQ Approved、 MB 229.51、 BMW LL-04、 Porsche A40、 JALOS MA、 JALOS MA2、 JALOS MB

Compliance

Meets ACEA A5/B5 and C4 standards

Product Features

Excellent Temperature Control

Stays stable under high-temperature conditions, reducing heat fade and making it suitable for long-duration demanding driving.

Outstanding Cylinder Pressure Performance

Power delivery is more direct with stronger pull, making it ideal for aggressive driving.

Longer Coasting Distance

Reduces internal resistance and improves overall smoothness and coasting feel.

Reduced Engine Noise

Maintains refined operation even at high RPM, reducing mechanical noise.

Lighter Revving Feel

Higher RPM response is more direct, with cleaner throttle delivery.

Excellent Fuel Economy

Achieves a strong balance between performance and efficiency.

Physical & Chemical Data

Most brands choose not to print complete physical & chemical data on the packaging, because that means every bottle must consistently meet the same standard as the stated data.

We choose to print it directly on the bottle, because ER Ester Engine Oil can truly do it.

ER Ester Engine Oil Viscosity Grade and Specification Guide

Frequently Asked Questions

Q1: How should I choose between 5W30 and 5W40?

5W30 is more focused on daily commuting and balanced performance, while 5W40 is better suited to high temperature, high load, and aggressive driving. If you frequently drive mountain roads or spend long periods at high speed, 5W40 will be more suitable.

Q2: What conditions is 5W40 suitable for?

It is suitable for spirited driving, mountain-road driving, high-speed long-distance travel, and high-temperature environments.

Q3: Can it be used together with the Nano Structure Reinforcement Additive?

Yes. Used together with the additive, it can further improve oil film strength and engine smoothness, making the effect especially noticeable under high-load use.

Q4: What is the difference between ER Ester Engine Oil and ordinary engine oil?

ER engine oil delivers strengths in temperature control, cylinder pressure, coasting feel, quietness, rev response, and fuel economy that are difficult for many other brands to achieve at the same time.

Engine Oil Knowledge

From viscosity selection and oil change intervals to the differences of ester engine oil, find the answers that better match your vehicle condition and driving habits.

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