Castrol Classic Gear Oils

Extreme Pressure API GL4
Low viscosity extreme pressure gear oil for most Ford gearboxes from 1955 to 1980.

Also available in 1L

Extreme Pressure API GL 4
Extreme pressure multi-purpose gear oil for Hypoid and non-Hypoid applications where specified by the manufacturer.

Also available in 20L workshop drum.

Extreme Pressure API GL4.
For manual transmissions and some Hypoid differentials where an extreme pressure SAE 140 gear oil is recommended.

Monograde API GL3
Straight high quality oil for most types of gears, including helical, spur, bevel and worm. D140 must not be used for hypoid gears requiring extreme pressure oils.

SAE90 gear oil for gear boxes and differentials where a non EP gear oil is specified.

Automatic Transmission fluid for automatic gearboxes incorporating additives to provide resistance to wear, oxidation and corrosion. Normally specified for Ford or older Borg Warner transmissions. Can be used in motorcycle primary chaincase applications where an SAE20 oil is required and also piston type damper shock absorbers. Dyed Red for identification.

Also available in 20L drums.

Automatic Transmission fluid for automatic gearboxes incorporating additives to provide resistance to wear, oxidation and corrosion. Normally specified for Ford or older Borg Warner transmissions. Can be used in motorcycle primary chaincase applications where an SAE20 oil is required and also piston type damper shock absorbers. Dyed Red for identification.

Also available in 1L tin.

Extreme Pressure API GL4
Low viscosity extreme pressure gear oil for most Ford gearboxes from 1955 to 1980.

Also available in 20L workshop drum.

Limited Slip differential oil.
Extreme pressure gear oil with friction characteristics. Axle Z LSD 90.

Also available in 20L drum.

Transmission fluid for automatic gearboxes where specified by the manufacturer. Dyed Red for identification.

Also available in 20L drum.

Limited slip differential oil. For competition use. LSD oil without noise suppressant.

Semi Fluid oil/grease

Lithium semi-fluid self levelling grease for veteran and vintage cars or motorcycles, with grease packed axles or gearboxes.

Original SU Carburetor oil for damping SU pistons.
Convenient 125ml bottle with squeeze top.