Castrol Syntrax Longlife 75W90 is a Synthetic API GL-5 deck oil (formerly SAF XO Syntrax Longlife)

This oil being intended for differentials is not recommended for gearboxes.

Gearbox and limited slip axle oil in 1L can

Oil for manual gearbox and self-locking axle.
Also suitable for non-self-locking bridges in long-life use.

This oil is suitable for Audi/VW boxes requiring a VW G50 / G51 standard.

Specific differential oil suitable for self-locking axles

Differential oil usable in particular on Audi VW cars with Quattro transmission

This oil is suitable for Audi/VW differentials requiring a standard:

VW TL 521 45-X (G 052 145 A1)

VW TL 521 90 (G 052 190 A2/G 055 190 A2)

Bridge oil also used at BMW and Mercedes

Castrol Transmax Syntrax Limited Slip 75W-140 self-locking axle oil which is also suitable for traditional axles.

Replaces the Castrol SAF XJ 75w-140

Castrol Universal LL 75w90 replaces Castrol Syntrax Universal Plus 75W-90 Synthetic gearbox oil API GL-4 and GL-5

Specific BMW SAF Carbon Mod oil for active differential fitted to BMW X5 & X6 in particular.

Oil for emptying the Epicyclic Group of the Left and Right external sections total quantity to use 1L (2 cans 0.5L).

BMW part number 83 12 0 445 832 - 83120445832

Not suitable for conventional limited-slip bridges

Castrol Manual EP 80W-90 GL-5