Idemitsu Premium Racing Gear Oil 75W-90 / Manual Transmission Fluid

Engineered to provide maximum performance and protection of manual gearboxes being used in severe racing conditions. Advanced extreme pressure additive package improves performance under high loads, delivers excellent durability, wear protection and superior shear stability.

Idemitsu Gear Oil 75W-90 is engineered to meet the performance requirements for manual transmissions and differentials using modern GL-5 standards.

1 Quart - Part No. 30305024-75000C020

Technical Data Sheet

Features:

• Formulated specifically for high-performance gearboxes
• Enhanced film strength provides excellent durability and wear protection
• Advanced extreme pressure additive package improves performance under high load conditions
• Superior shear stability ensures viscosity retention under high stress operations
• Provides smooth shifting across all RPMs

Transmission Compatibility Guidance

This fluid meets GL-5 gear oil specifications and is rated 75W-90. It is intended for use in manual transmissions and differentials that specify a GL-5, 75W-90 gear lubricant. Typical applications include:

• Helical and synchromesh manual gearboxes requiring GL-5 protection
• Limited-slip and open differentials rated for GL-5 75W-90
• High-performance and motorsport drivetrains operating under severe-duty conditions

Important — confirm fit before ordering: Transmission and differential fluid specifications vary by vehicle make, model, year, and build. Always consult your owner's manual, OEM service documentation, or the Idemitsu Technical Data Sheet to verify this fluid meets your application's required specification. Some transmissions — particularly those specifying GL-4 — require a different lubricant; using an incompatible fluid may cause damage.

Dealer inquiries welcome! If you are an automotive repair shop or auto parts supplier and would like to distribute the Idemitsu racing lubricants line, please inquire here.