Red Line D6 ATF - Full Synthetic Low Viscosity Automatic Transmission Fluid (ATF) for 6- & 8-Speed, Dexron VI/Mercon LV & SP/Honda DW-1/Toyota WS/Mercedes NAG-2/ZF Lifeguard 6 6+ 8 Compatible

Premium synthetic auto transmission fluid for smooth, fast shifts in modern 6 and 8 speed gearboxes

Red Line D6 ATF is the low-viscosity, high-performance automatic gearbox fluid trusted by enthusiasts and professionals who want crisp shift quality, strong protection and consistent performance in contemporary automatic transmissions. Designed for vehicles that call for ultra-stable, low-viscosity ATF, it provides outstanding shear stability, excellent thermal control and a clean, precise shift feel mile after mile.

Built for today’s transmissions

Suitable where the vehicle handbook specifies GM Dex VI, Ford LV or SP spec, Honda DW1, Toyota WS spec, Mercedes-Benz 7G-Tronic NAG2 722.9 and ZF 6HP or 8HP Lifeguard 6 6+ 8 type fluids used across many 6-speed and 8-speed automatics. Always confirm the required fluid specification for your exact model before filling.

Why drivers choose Red Line D6 ATF

• Low-viscosity synthetic base oils for rapid engagement and smooth, consistent upshifts and downshifts
• Outstanding shear stability helps maintain viscosity and friction characteristics under hard use
• Excellent high temperature resistance and oxidation control to help keep clutches and valves clean
• Friction-optimised formulation to reduce shudder and deliver a refined, OE-quality shift feel
• Low volatility for reduced fluid loss and dependable performance over extended service intervals
• Meets GL-4 gear lubricant requirements and aligns with 70W and 75W viscosity ranges where applicable

Proven in our workshop

We run Red Line D6 ATF in customer cars and our own builds at MJ Modifications. Feedback has been consistently positive, with noticeably smoother operation and reliability in both daily-driven vehicles and performance applications that specify a low-viscosity ATF.

Ideal applications

• Service and fluid exchange on 6-speed and 8-speed automatics requiring low-viscosity ATF
• Vehicles specifying GM Dex VI, Ford LV or SP, Honda DW1, Toyota WS spec, MB 722.9 NAG2 and ZF 6HP or 8HP Lifeguard 6 6+ 8 type fluids
• Situations demanding stable viscosity, strong film strength and clean operation under heat

Search-friendly terms our customers use

Automatic gearbox fluid UK, synthetic auto trans oil, low viscosity ATF, 6-speed ATF, 8-speed ATF, ZF 6HP fluid, ZF 8HP fluid, WS spec ATF, DW1 replacement fluid, Dex VI replacement, Ford LV ATF, SP spec ATF, gearbox oil for modern automatics, performance ATF, high temperature transmission fluid.

Professional filling and servicing

For expert fitting, diagnostics and fluid exchange, book with MJ Modifications in Warwickshire. Request a quote at info@mjmodifications.co.uk.

Part Number: 30709