API & Certificate Verification

API & Certificate Proof Files.

Review the API proof images and certificate files provided for UEL product verification.

Check API Proof
Provided proof files Verification records
14API SQ certified grades
Proof fileUse this page to check the provided API and certificate files before enquiry.
Use carefullyAPI wording applies only to the matching grades shown in the proof files and product material.
API EOLCS Verification

Verified on the API official register.

UEL is listed under the American Petroleum Institute Engine Oil Licensing Certification System. The licence record below can be re-verified on api.org at any time.

API EOLCS Results Detail page showing Excellent licence #3898 with active status and 14 certified products
Active #3898
Effective01 Apr 2026
Expiration31 Mar 2027
First issued11 Jan 2023
LicenseeEXCELLENT — Unique Excellent Lubricant brand
Certified for14 grades, all API Service Category SQ
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Certified Grades — listed on the EOLCS register

SAE 0W-16Fully SyntheticGF-7B SAE 0W-20Fully SyntheticGF-7A SAE 5W-20Fully SyntheticGF-7A SAE 5W-20Semi-SyntheticGF-7A SAE 5W-30Fully SyntheticGF-7A SAE 5W-30Semi-SyntheticGF-7A SAE 5W-40Fully Synthetic SAE 5W-40Semi-Synthetic SAE 10W-40Fully Synthetic SAE 10W-40Semi-Synthetic SAE 10W-40Mineral SAE 20W-50Fully Synthetic SAE 20W-50Semi-Synthetic SAE 20W-50Mineral
American Petroleum Institute For Gasoline Engines certified badge

For Gasoline Engines — API Certified

The American Petroleum Institute "For Gasoline Engines Certified" mark confirms our oils meet API engine performance and emission standards.

UEL technology artwork showing LSPI Protection, Turbo Safe Technology and Fuel Economy Formula
UEL Technology Artwork

Technology highlights for easier selection.

These UEL technology highlights help customers understand the product range quickly. For exact product suitability, check the product label, data sheet or ask UEL.

LSPI ProtectionPrevents low-speed pre-ignition in turbo direct-injection engines — protects pistons from combustion damage.
Turbo Safe TechnologyResists coking and deposit build-up on turbo bearings under high heat and RPM.
Fuel Economy FormulaLow-friction formula reduces engine drag for better fuel efficiency.
API Service SQ proof is shown for the exact grades in the provided proof images.
EOLCS licence #3898 is active on the API register and covers 14 certified grades.
Final oil choice should still follow the product label, vehicle or machine manual, and UEL confirmation.
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