Best Pentosin Transmission Transmission Fluids in 2026

This product dampens transmission noise (reducing the notorious shifting clunk found in these gearboxes), dramatically reduces temperature, provides thicker oil films between gear teeth and resists throw-off

Compatible with all aftermarket versions like Baker, JIMS, S&S, etc.

Compatible with all HD trans including with Milwaukee-Eight engines, Evolution engines, Twin Cam engines and latest 6-speed Cruise Drive

CUTTING EDGE TECHNOLOGY - Shockproof technology designed to make a big impact against big impacts

QUIET SMOOTH SHIFTING - V-Twin Transmission oil dampens transmission noise, reducing the notorious shifting clunk found in these gearboxes

IMPROVES PERFORMANCE - Transmission fluid that dramatically reduces temperature, providing thicker oil films between gear teeth and resists throw-off

Red Line 50304 Manual Transmission (MT) 90W Gear Oil

LONGER SYNCHRO LIFE - High-performance gear protection, satisfies the gear oil viscosity requirements of 75W, 80W and motor oil viscosities of SAE 30, 10W30, 5W31

OFFERS QUICKER SHIFTS - MLT Gear Oil with balanced friction control for most manual transmission synchronizers. Other synthetic gear oils are often too slippery

SAFE FOR BRASS SYNCHROS - As it lacks the reactive sulfurs found in most GL-5 oils that cause damage. Recommended for GL-1, GL-3 & GL-4 applications

LONGER SYNCHRO LIFE - High-performance gear protection, satisfies the gear oil viscosity requirements of 75W, 80W and motor oil viscosities of SAE 30, 10W30, 5W30

OFFERS QUICKER SHIFTS - MLT Gear Oil with balanced friction control for most manual transmission synchronizers. Other synthetic gear oils are often too slippery

SAFE FOR BRASS SYNCHROS - As it lacks the reactive sulfurs found in most GL-5 oils that cause damage. Recommended for GL-1, GL-3 & GL-4 applications

This 75W85 GL-4 gear oil is designed to fill the viscosity gap between MTL (70W80 GL-4) and MT-90 (75W90 GL-4), making it a perfect fit Compatible with many Nissan, Mitsubishi, Hyundai, Kia and NV4500 pickup truck transmission Compatible with.

Our most versatile ATF, for use in automatic, manual transmissions and power steering

Popular applications: Toyota Type T-III and T-IV, Honda ATF-Z1, Nissan Matic D, J & K, Diamond SP-II, SP-III, Mazda ATF M-V, most BMW and Audi/VW automatic transmissions

Also used with manual transmissions and transaxles like T-5, T-45, T-56 and late-model BMW, provides a GL-4 level of gear protection

Suitable replacement for the following products: Dexron II, III and Dexron IIIH

Most versatile ATF, use where Dexron III, Dexron II, Mercon and Mercon V fluids are recommended, provides a GL-4 level of gear protection

Also used with manual transmissions and transaxles like T-5, T-45, T-56 and late-model BMW

Our most versatile ATF, for use in automatic, manual transmissions and power steering

Popular applications: Toyota Type T-III and T-IV, Honda ATF-Z1, Nissan Matic D, J & K, Diamond SP-II, SP-III, Mazda ATF M-V, most BMW and Audi/VW automatic transmissions

Also used with manual transmissions and transaxles like T-5, T-45, T-56 and late-model BMW, provides a GL-4 level of gear protection

Our most versatile ATF, for use in automatic, manual transmissions and power steering

Popular applications: Toyota Type T-III and T-IV, Honda ATF-Z1, Nissan Matic D, J & K, Diamond SP-II, SP-III, Mazda ATF M-V, most BMW and Audi/VW automatic transmissions

Also used with manual transmissions and transaxles like T-5, T-45, T-56 and late-model BMW, provides a GL-4 level of gear protection

Efficiency improvements between 1-5% are typical

Provides an excellent synchronizer compatibility

Can be used in most manual transmissions and transaxles for both street and racing use

Our lowest viscosity, most shear-stable ATF for consistent operation, designed to satisfy Dexron-VI, MerconSP, MerconLV, Honda DW-1, Toyota WS, Mercedes Benz NAG-2, ZF-LG 6, 6+ and 8 fluids, for use in automatic and manual transmissions

Also satisfies API 70W/75W and GL-4 gear oil requirements

Red Line offers the widest selection of fully-synthetic ATF on the market today

Our lowest viscosity, most shear-stable ATF for consistent operation, designed to satisfy Dexron-VI, MerconSP, MerconLV, Honda DW-1, Toyota WS, Mercedes Benz NAG-2, ZF-LG 6, 6+ and 8 fluids, for use in automatic and manual transmissions

Also satisfies API 70W/75W and GL-4 gear oil requirements

Red Line offers the widest selection of fully-synthetic ATF on the market today

Designed specifically for use in metal belt-type Continuously Variable Transmissions including Mini, Nissan and Subaru

Includes anti-wear additives for improved metal-to-metal protection in torque-converter clutches and offers consistent performance over broad temperature range

Synthetic base stocks offer improved shear characteristics, improved thermal stability and extended drain intervals (up to 30,000 miles, follow manufacturers specifications)

Similar to a Type F fluid, featuring even higher viscosity and no friction modifiers

Produces faster shifts, quicker lock-up, better converter efficiency at high temps

Enhanced extreme-pressure additives provide 5-times better film strength than petroleum ATFs

Similar to a Type F fluid, featuring even higher viscosity and no friction modifiers

Produces faster shifts, quicker lock-up, better converter efficiency at high temps

Enhanced extreme-pressure additives provide 5-times better film strength than petroleum ATFs

Satisfies Chrysler ATF+, +2, +3 (Type 7176) and ATF+4 (Type 9602) requirements

Provides 30% greater operating viscosity and 1/3 the evaporation of Chrysler-style petroleum ATFs

Red Line offers the widest selection of fully-synthetic ATF on the market today

For heavily-loaded vehicles, allowing operation at up to 70°F higher while maintaining thicker viscosity than traditional ATFs

Use where Dexron III, Dexron II, Mercon or GL-4 gear oil are recommended

Dramatically less evaporation, less varnish of valves and clutches in extreme conditions

For heavily-loaded vehicles, allowing operation at up to 70°F higher while maintaining thicker viscosity than traditional ATFs

Use where Dexron III, Dexron II, Mercon or GL-4 gear oil are recommended

Dramatically less evaporation, less varnish of valves and clutches in extreme conditions

Satisfies Chrysler ATF+, +2, +3 (Type 7176) and ATF+4 (Type 9602) requirements

Provides 30% greater operating viscosity and 1/3 the evaporation of Chrysler-style petroleum ATFs

Red Line offers the widest selection of fully-synthetic ATF on the market today

Designed to provide extreme protection in many wet- and dry-style dual clutch transmissions

Popular for VW/AUDI, BMW, Porsche PDK and Ferrari

Compatible with other lubricants designed for dual clutch transmissions, follow owners manual for service intervals

Red Line

Superior consistency and wear protection for Bracket and Heads-Up drag racing transmissions like Powerglide and Turbo 400

Popular with turbo and blown doorslammers like NMRA, NMCA, ORSCA and PSCA -- replaces hydraulic oils and other non-ATFs used to escape heat issues

Low viscosity offers less frictional drag for quicker ETs and more MPH

Improves oxidation and sludge protection

Improved thermal stability

The best low-temperature shiftability in automatic transmissions

Street American V-Twin > CHEMICAL > Engine Oil

Red Line 42804, Case of 12.

Designed to provide extreme protection in many wet- and dry-style dual clutch transmissions

Popular for VW/AUDI, BMW, Porsche PDK and Ferrari

Compatible with other lubricants designed for dual clutch transmissions, follow owners manual for service intervals

Similar to a Type F fluid, featuring even higher viscosity and no friction modifiers

Produces faster shifts, quicker lock-up, better converter efficiency at high temps

Enhanced extreme-pressure additives provide 5-times better film strength than petroleum ATFs

Similar to a Type F fluid, featuring even higher viscosity and no friction modifiers

Produces faster shifts, quicker lock-up, better converter efficiency at high temps

Enhanced extreme-pressure additives provide 5-times better film strength than petroleum ATFs

Our most versatile ATF, for use in automatic, manual transmissions and power steering

Popular applications: Toyota Type T-III and T-IV, Honda ATF-Z1, Nissan Matic D, J & K, Diamond SP-II, SP-III, Mazda ATF M-V, most BMW and Audi/VW automatic transmissions

Also used with manual transmissions and transaxles like T-5, T-45, T-56 and late-model BMW, provides a GL-4 level of gear protection

Our most versatile ATF, for use in automatic, manual transmissions and power steering

Popular applications: Toyota Type T-III and T-IV, Honda ATF-Z1, Nissan Matic D, J & K, Diamond SP-II, SP-III, Mazda ATF M-V, most BMW and Audi/VW automatic transmissions

Also used with manual transmissions and transaxles like T-5, T-45, T-56 and late-model BMW, provides a GL-4 level of gear protection