Gear Oil

Both GL ALPHA 75W-90 and GL ALPHA 80W-90 meet the API GL-5 specification.

Both are API GL-5 mineral gear oils, but they have different SAE viscosity grades. 75W-90 provides a wider low-temperature operating range, while 80W-90 is a higher-viscosity grade. Always follow the vehicle manufacturer's recommended specification.

ALPHA’S Gear Oil is suitable for manual transmissions and differential gears where API GL-5 and the applicable SAE viscosity grade are specified.

No. ALPHA’s specifies that both GL ALPHA 75W-90 and GL ALPHA 80W-90 are not for LSD (Limited-Slip Differential) applications.

Yes. ALPHA’S states that GL ALPHA 75W-90 can be used for differential gears exceeding 2 tons, subject to the original oil specification.

Yes. ALPHA’S states that its automotive lubricants are Made in Japan, with its main products produced and bottled at contracted Japanese oil majors in Japan.

ALPHA’S lists the gear oils in 1L, 4L, 20L, and 200L packaging options, with the 1L and 4L sizes supplied in case quantities.