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About this product

Red Line Super Automatic Transmission Fluid D4 ATF is a fully synthetic, versatile fluid compatible with Dexron III, II, and Mercon specs. It delivers superior gear protection, smooth shifting, and excellent low-temperature performance. Designed for high-temperature stability, it prevents varnish buildup and extends transmission life. Fits most models for reliable, long-lasting performance.

Red Line Super Automatic Transmission Fluid D4 ATF: Fits Most Models

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PART # 30504

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About this product

Red Line Super Automatic Transmission Fluid D4 ATF is a fully synthetic, versatile fluid compatible with Dexron III, II, and Mercon specs. It delivers superior gear protection, smooth shifting, and excellent low-temperature performance. Designed for high-temperature stability, it prevents varnish buildup and extends transmission life. Fits most models for reliable, long-lasting performance.
    • Red Line Super Automatic Transmission Fluid D4 ATF

      Fits Most Models

      30504

      Overview:

      The Red Line Super Automatic Transmission Fluid D4 ATF is a fully synthetic transmission fluid designed to meet and exceed the requirements of Dexron III, Dexron II, and Mercon specifications. This versatile fluid is engineered to provide superior performance and protection for a wide range of automatic transmissions and transaxles, including high-performance units like the Corvette’s T-56.

      Ideal for daily drivers and performance enthusiasts alike, D4 ATF ensures smooth, consistent shifting and reliable operation across a broad temperature range. Its advanced formulation supports extended drain intervals while protecting your transmission from wear and failure caused by varnishing and clutch damage.

      Key Features:

      Red Line D4 ATF offers a combination of advanced features that enhance transmission performance and durability:

      • Fully synthetic formulation designed to meet improved low-temperature requirements of Dexron IV and enhanced shear stability of new Mercon specifications.
      • Compatible with transmissions requiring Dexron III, Dexron II, or Mercon fluids, making it highly versatile for most automatic transmissions.
      • Provides GL-4 level gear protection, ideal for transmissions and transaxles that demand higher gear protection such as the Corvette’s T-56.
      • Balanced frictional characteristics deliver smooth, consistent shifts and improved cold weather performance.
      • Superior thermal and oxidative stability compared to petroleum-based ATFs, preventing varnish buildup on valves and clutches.
      • Enables high-temperature operation without transmission fluid breakdown, reducing the risk of premature failure.
      • Supports extended drain intervals, reducing maintenance frequency and cost.

      Construction & Design:

      Red Line D4 ATF is engineered with a fully synthetic base stock and advanced additive technology to provide exceptional lubrication and protection. Its formulation is carefully balanced to maintain stable viscosity and frictional properties under extreme conditions, ensuring reliable transmission performance whether in stop-and-go traffic or spirited driving.

      The fluid’s enhanced shear stability protects internal components from wear and maintains consistent shift quality over time. This makes it especially suitable for high-performance and heavy-duty applications where transmission stress is elevated.

      Installation & Fitment:

      Red Line Super Automatic Transmission Fluid D4 ATF is designed as a direct replacement fluid for transmissions specifying Dexron III, Dexron II, or Mercon. It fits most automatic transmissions and transaxles without any modifications or special procedures.

      Simply drain the existing fluid and refill with Red Line D4 ATF to enjoy improved transmission performance and longevity. No special tuning or adjustments are required.

      What's Included:

      • One container of Red Line Super Automatic Transmission Fluid D4 ATF

      Ideal For:

      • Daily drivers seeking reliable transmission performance and extended fluid life
      • Performance enthusiasts requiring superior gear protection and smooth shifting
      • Vehicles operating in cold climates needing improved low-temperature shifting
      • Owners of transmissions specifying Dexron III, Dexron II, or Mercon fluids
      • High-performance applications such as Corvette T-56 transmissions

    Red Line Super Automatic Transmission Fluid D4 ATF

    Fits Most Models

    30504

    Overview:

    The Red Line Super Automatic Transmission Fluid D4 ATF is a fully synthetic transmission fluid designed to meet and exceed the requirements of Dexron III, Dexron II, and Mercon specifications. This versatile fluid is engineered to provide superior performance and protection for a wide range of automatic transmissions and transaxles, including high-performance units like the Corvette’s T-56.

    Ideal for daily drivers and performance enthusiasts alike, D4 ATF ensures smooth, consistent shifting and reliable operation across a broad temperature range. Its advanced formulation supports extended drain intervals while protecting your transmission from wear and failure caused by varnishing and clutch damage.

    Key Features:

    Red Line D4 ATF offers a combination of advanced features that enhance transmission performance and durability:

    • Fully synthetic formulation designed to meet improved low-temperature requirements of Dexron IV and enhanced shear stability of new Mercon specifications.
    • Compatible with transmissions requiring Dexron III, Dexron II, or Mercon fluids, making it highly versatile for most automatic transmissions.
    • Provides GL-4 level gear protection, ideal for transmissions and transaxles that demand higher gear protection such as the Corvette’s T-56.
    • Balanced frictional characteristics deliver smooth, consistent shifts and improved cold weather performance.
    • Superior thermal and oxidative stability compared to petroleum-based ATFs, preventing varnish buildup on valves and clutches.
    • Enables high-temperature operation without transmission fluid breakdown, reducing the risk of premature failure.
    • Supports extended drain intervals, reducing maintenance frequency and cost.

    Construction & Design:

    Red Line D4 ATF is engineered with a fully synthetic base stock and advanced additive technology to provide exceptional lubrication and protection. Its formulation is carefully balanced to maintain stable viscosity and frictional properties under extreme conditions, ensuring reliable transmission performance whether in stop-and-go traffic or spirited driving.

    The fluid’s enhanced shear stability protects internal components from wear and maintains consistent shift quality over time. This makes it especially suitable for high-performance and heavy-duty applications where transmission stress is elevated.

    Installation & Fitment:

    Red Line Super Automatic Transmission Fluid D4 ATF is designed as a direct replacement fluid for transmissions specifying Dexron III, Dexron II, or Mercon. It fits most automatic transmissions and transaxles without any modifications or special procedures.

    Simply drain the existing fluid and refill with Red Line D4 ATF to enjoy improved transmission performance and longevity. No special tuning or adjustments are required.

    What's Included:

    • One container of Red Line Super Automatic Transmission Fluid D4 ATF

    Ideal For:

    • Daily drivers seeking reliable transmission performance and extended fluid life
    • Performance enthusiasts requiring superior gear protection and smooth shifting
    • Vehicles operating in cold climates needing improved low-temperature shifting
    • Owners of transmissions specifying Dexron III, Dexron II, or Mercon fluids
    • High-performance applications such as Corvette T-56 transmissions
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