What type of gear oil for a suzuki samurai axle 1987?

For a 1987 Suzuki Samurai axle, it's recommended to use 80W-90 gear oil, which is suitable for most differentials. If the vehicle is operated in extreme conditions, a synthetic 75W-90 gear oil may also be used for improved performance and protection. Always check the owner's manual for specific recommendations and ensure the oil meets API GL-5 specifications.