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UK warehouse dispatch
Orders are fulfilled from UK warehouse stock with nationwide delivery available. EU customers should contact sales for shipping service options.
Dispatch
Orders placed before 12:00 GMT or BST are dispatched the same business day. Orders placed after 12:00 are dispatched the next business day.
Delivery options
Economy and premium pallet delivery services are available and calculated at checkout based on order size, weight, and destination. Pails and smaller units are shipped with UPS.
Warehouse collection
Same-day warehouse collection is available by arrangement.
Tracking
All orders include tracking information once dispatched.
Northern Ireland and the EU
Please contact sales by phone at +44 020 8068 3444 or email sales@sinopeconline.com to arrange delivery service.
The full shipping policy can be found here.

Sinopec GL-5 SAE 80W-90 Heavy Duty Automotive Gear Oil is a high-performance lubricant formulated using premium mineral base oils and a robust extreme pressure additive system to meet API GL-5 performance requirements. It is designed for the lubrication of hypoid gears operating under severe load and shock conditions in passenger vehicles, light commercial vehicles, and heavy-duty trucks.
Developed to deliver dependable protection in demanding drivetrain applications, Sinopec GL-5 SAE 80W-90 provides excellent extreme pressure performance, strong resistance to oxidation, and effective protection against rust and corrosion, supporting reliable operation and extended component service life.
Technical reference: GL-5 80W-90 Automotive Gear Oil
Recommended for hypoid gear sets, drive axles, and differentials in passenger vehicles, light commercial vehicles, and heavy-duty trucks requiring an API GL-5 gear lubricant. Suitable for use in manual transmissions, final drives, and axle assemblies operating under high load, shock loading, and severe service conditions where SAE 80W-90 viscosity is specified.
Formulated to meet the performance requirements of the following specification:
All Sinopec lubricants supplied by Sinopec Online are genuine, factory-sealed products and are supported by technical documentation and product data sheets.
Comparable in performance to Shell Spirax, Mobilube, Castrol Axle, TotalEnergies Transmission, and Chevron Delo gear oils meeting API GL-5 specifications.
Available from stock with prompt dispatch and dependable nationwide delivery. Express shipping can be arranged where required.