Automotive Lubricants for Passenger Cars and Light Commercial Vehicles

Explore the SYNTHESIS™ Engine Oil Range

SYNTHESIS™ is Rock Oil’s flagship range of advanced automotive engine oils.

Developed using high-quality base oils and advanced additive technology, the SYNTHESIS™ range is designed to meet the demands of modern engines, including vehicles requiring low-viscosity, fuel economy and reduced ash formulations.

Across the range, SYNTHESIS™ products support engine cleanliness, wear protection, efficiency and long-term reliability, with products formulated to meet relevant industry specifications, OEM approvals and manufacturer recommendations.

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Find the Right Oil for Your Vehicle

Choosing the correct lubricant is essential for protecting your engine, transmission and driveline components. Rock Oil’s lubricant selector helps users identify the right product for their specific vehicle, using vehicle details to recommend suitable oils and fluids from the Rock Oil range.

Whether you are maintaining a passenger car, light commercial vehicle, classic vehicle or fleet, the selector provides a quick and practical way to find the correct product before purchasing or servicing.

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Engine Oils for a Wider Range of Vehicles

Alongside SYNTHESIS™, Rock Oil also offers engine oils for different vehicle types, age profiles and performance requirements.

STRATA Semi-Synthetic Engine Oils
STRATA products provide dependable engine oil options for applications where semi-synthetic technology is suitable, including selected petrol and diesel engine requirements.

CARBON Motorsport and Racing Engine Oils
The CARBON range is designed for competitive and high-performance applications, using Rock Oil’s Tri-Synthetic technology. These products are intended for specialist motorsport use and should be matched carefully to the application, particularly where vehicles are fitted with after-treatment devices such as DPFs.

Gear, Axle and Driveline Protection

Rock Oil’s GEARAXL range provides gear and axle lubrication for modern driveline systems, including synthetic, advanced synthetic, mineral EP and limited slip gear oils.

These products are engineered to support wear protection, driveline reliability and smooth operation across a wide range of passenger car, LCV and specialist vehicle applications.

Automatic and Manual Transmission Fluids

Rock Oil’s transmission lubricant range includes ATF, MTF, CVT and DCT fluids, supporting a wide range of automatic, manual and specialist transmission systems.

The range is designed to help maintain smooth gear changes, protect against wear, resist oxidation and support efficient long-term transmission performance.

KOOL-GUARD Antifreeze and Coolants

The KOOL-GUARD range provides antifreeze and coolant solutions for automotive, commercial, agricultural, industrial, marine and plant applications.

With IAT, OAT, NOAT and HOAT technologies available across the range, KOOL-GUARD products are designed to help protect cooling systems, support temperature control and contribute to long-term engine reliability.

Aerosols, Greases and Workshop Support Products

Rock Oil also supplies a practical range of aerosol and maintenance products for automotive workshops, fleet servicing and general vehicle care.

The range includes products for cleaning, lubrication, corrosion protection, chain lubrication, anti-seize applications, degreasing and general maintenance support.

Supporting Modern Automotive Requirements

Modern engines and driveline systems place increasing demands on lubricants and fluids. Lower viscosity oils, emissions systems, extended service intervals and manufacturer-specific requirements all make correct product selection more important than ever.

Rock Oil products are designed to help:

• Support reliable vehicle performance.
• Protect engines, transmissions and driveline components.
• Maintain efficiency across modern petrol and diesel applications.
• Provide options for workshops, fleets and specialist vehicles.
• Support correct product selection through technical guidance.