Motul Gear 300 LS 75W-90 is a premium 100% synthetic ester-based gear oil, engineered for the demands of Subaru WRX, STI, BRZ, and Toyota GR86 performance drivetrains. Formulated for both street and track use, this oil delivers maximum protection under high load, high temperature conditions, while improving transmission efficiency and extending component life.

Designed for limited slip differentials (LSD), transfer cases, and gearboxes (synchronized or non-synchronized), Gear 300 LS 75W-90 ensures smooth shifting, superior wear protection, and consistent performance. Whether you’re carving canyons, daily driving, or hitting the track, Motul’s ester-based technology is proven to withstand extreme stress and shock loads.

Key Features & Benefits

Perfect for Subaru & Toyota Performance – Ideal for WRX, STI, BRZ, and GR86 gearboxes and differentials
Limited Slip Compatible – Optimized friction profile for mechanical LSDs
Race-Proven Formula – Designed to handle extreme track and rally conditions
Improved Gear Efficiency – Reduces drag compared to 75W-140 gear oils
Wide Application – Suitable for synchronized/non-synchronized gearboxes, transfer cases, and hypoid LSDs
100% Synthetic Ester-Based – Delivers exceptional shear stability and wear resistance

Technical Specifications

Click to View Specs

Viscosity Grade: SAE 75W-90
Base: 100% Synthetic Ester
Applications: LSDs, synchronized/non-synchronized gearboxes, transfer cases
Performance Standards: API GL-4 / GL-5, MIL-L-2105D
Optimized For: High load, high temperature, shock load, and race use
Download Motul Technical Data Sheet (PDF)

Motul Gear 300 vs Gear 300 LS – Which One Do You Need?

Motul offers two high-performance gear oils for Subaru and Toyota enthusiasts: Gear 300 and Gear 300 LS. Both are 100% synthetic ester-based fluids designed for motorsport conditions, but each has a different application.

Feature	Motul Gear 300 75W-90	Motul Gear 300 LS 75W-90
Main Use	Manual transmissions, open differentials, transfer cases	Limited Slip Differentials (LSD) – rear diffs in WRX/STI/GR86/BRZ
Compatibility	Non-LSD driveline components	All types of LSDs (clutch-type, helical, torsen, etc.)
Friction Modifiers	No – optimized for smooth synchro engagement in gearboxes	Yes – prevents chatter and wear in LSDs
Best For	Transmission fluid changes, transfer cases, open diffs	Rear differential fluid changes in WRX, STI, GR86, BRZ
Viscosity	75W-90	75W-90
Technical Data Sheets	Gear 300 TDS (PDF)	Gear 300 LS TDS (PDF)

Quick Fitment Guide:

Subaru WRX / STI – Gear 300 for transmission & transfer case, Gear 300 LS for rear differential
Subaru BRZ / Toyota GR86 – Gear 300 for transmission, Gear 300 LS for rear LSD differential

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