TRIAX ATF 689 Full Synthetic Transmission Fluid – 5 Qt

Upgrade your transmission with TRIAX ATF 689 Full Synthetic, a premium fluid engineered for seamless compatibility with ZF 6HP, 8HP, and 9HP automatic transmissions. Designed for vehicles from Jeep, Chrysler, Dodge RAM, Audi, BMW, Land Rover, Mercedes-Benz, Porsche, and more, this advanced formula fully replaces ZF Lifeguardfluid 6, 8, and 9, as well as Mopar 8 & 9 ATF. Whether you need OEM factory fill or a high-performance replacement, TRIAX ATF 689 meets the strict specifications for ZF S671 090 255 (LG6), ZF S671 090 312 (LG8), and ZF S671 090 399 (LG9).

Experience unmatched shift quality and durability with this all-season synthetic fluid. TRIAX ATF 689 delivers smooth, precise shifts without slippage, hesitation, or shudder—even in extreme temperatures from -60°F to high heat. Its exceptional frictional stability and superior wear protection shield critical transmission components, such as clutch packs and planetary gears, from premature wear and scoring. Backed by a 100,000+ mile severe service rating (or fill-for-life in properly sealed systems), this fluid ensures long-lasting performance and reliability, making it the ideal choice for demanding driving conditions.