Best Glass Oils & Fluids in 2026

Backward compatible with previous Dexron automatic transmission fluids and can be used as a much-improved replacement for older vehicles/transmissions originally using previous Dexron fluids

Improved performance over previous Dexron fluids in: friction durability, viscosity stability, aeration and foam control, and oxidation resistance

Potential to enable improved fuel economy and longer transmission life

Backward compatible with previous Dexron automatic transmission fluids and can be used as a much-improved replacement for older vehicles/transmissions originally using previous Dexron fluids

Improved performance over previous Dexron fluids in: friction durability, viscosity stability, aeration and foam control, and oxidation resistance

Potential to enable improved fuel economy and longer transmission life

Formulated specifically for synchromesh transmissions, resulting in excellent synchronizer performance.Fit Type: Vehicle Specific

Minimizes sludge and varnish deposits to provide for a cleaner transmission

Protects against surface distress, minimizing spalling, pitting, rust, corrosion, and overall wear

Backward compatible with previous DEXRON automatic transmission fluids and can be used as a much-improved replacement for older vehicles/transmissions originally using previous DEXRON fluids

Improved performance over previous DEXRON fluids in: friction durability, viscosity stability, aeration and foam control, and oxidation resistance

Potential to enable improved fuel economy and longer transmission life

Backward compatible with previous DEXRON automatic transmission fluids and can be used as a much-improved replacement for older vehicles/transmissions originally using previous DEXRON fluids

Improved performance over previous DEXRON fluids in: friction durability, viscosity stability, aeration and foam control, and oxidation resistance.

Designed for anti-wear protection and shear stability

Good frictional characteristics and wear protection provide enhanced cold temperature performance, excellent friction retention, and smooth shifting

High oxidation resistance fortifies against rust and corrosion and provides for longer fluid change intervals

Wide range of seal compatibility - can be used in an extensive variety of vehicles/transmissions

Premium Brake and Hydraulic clutch fluid that protects internal components from corrosion under normal use

High boiling point to minimize Brake fluid boiling and vapor lock

Excellent low temperature capability and stability when used where lower cold viscosities are required

Formulated specifically for synchromesh transmissions, resulting in excellent synchronizer performance

Minimizes sludge and varnish deposits to provide for a cleaner transmission

Protects against surface distress, minimizing spalling, pitting, rust, corrosion, and overall wear

Blended synthetic base oils and performance additives drives power from the engine to the front and rear axles

Specifically designed for use only in applications that require VERSATRAK fluid

Specially formulated to give proper friction characteristics, gear protection, and oxidation resistance needed for the transfer case and carrier assembly differential

High-quality manual transmission fluid

Provides protection for transmission components in a variety of vehicle types

Formulated to maintain high performance characteristics, even in cold weather

Premium brake and hydraulic clutch fluid that protects internal components from corrosion under normal use

High boiling point to minimize brake fluid boiling and vapor lock

Excellent low temperature capability and stability when used where lower cold viscosities are required

High-quality manual transmission fluid

Specifically formulated to provide good shifting movements

Manufactured for transmission efficiency in cold weather

Contains specialized ingredients to help protect seals and O-rings and provide smooth shifting at low and high temperatures

Low oxidation rate helps to extend fluid change intervals

Specially formulated for vehicles with Z1 transmissions with codes MJ7 and MJ8

Excellent foaming and oxidation resistance provides protection against wear in the clutch and gears

Specifically formulated for us in the 2010 and 2011 Cadillac SRX with LF1

Designed to meet the unique demands of the Aisin Warner transmissions

Specific coefficient of friction intended only for CVTs ensures smooth ratio changes without power interruption, enables engine to remain at its maximum power RPM, and provides for consistent, uninterrupted acceleration

Fluid is colored green (as opposed to traditional red transmission fluids) to provide for simple visual identification of proper fluid for CVT-specific use

Use of this product assists in guaranteeing the CVT’s advantages in efficiency

Recommended replacement part for your GM vehicle’s original factory component

Offering the quality, reliability, and durability

Manufactured with GM Original Equipment specification for fit, form, and function

Excellent thermal, oxidation, and shear stability and high resistance to foaming and corrosion: resists deposit formation and provides for extended drain intervals

Specifically formulated for the manual ZF 6-speed transmission in CK trucks with RPO ML6

All-climate fluid provide superior low to high temperature performance

Engineered with specialized friction characteristics: prevents clutch stick slip, protects against corrosion, and provides excellent lube and shear performance

All-climate fluid that manages temperatures as low as -22 degrees Fahrenheit (-30 degrees Celsius) to as high as 284 degrees Fahrenheit (140 degrees Celsius)

Specifically formulated for use in vehicles with a model year 2009+ Haldex limited slip coupling