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Red Line 50304 MT-90 75W-90 GL-4 Manual Transmission and Transaxle Lubricant (MTL) - 1 Quart (4 Pack)
Redline Oil MT-90 Provides excellent protection of gears and synchronizers and its balanced slipperiness provides a perfect coefficient of friction, allowing easier shifting.
Red Line 50304 MT-90 75W-90 GL-4 Manual Transmission and Transaxle Lubricant (MTL) - 1 Quart (4 Pack)
Item #: 12866382

Red Line 50304 MT-90 75W-90 GL-4 Manual Transmission and Transaxle Lubricant (MTL) - 1 Quart (4 Pack)

Item #: 12866382

TWD 5046

Price Details

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Redline Oil MT-90 Provides excellent protection of gears and synchronizers and its balanced slipperiness provides a perfect coefficient of friction, allowing easier shifting.
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What Stands Out

High Performance
Engineered for superior performance, this lubricant enhances gear protection, reduces wear, and ensures smooth shifting for optimal transmission efficiency.
Versatile Application
Designed for various manual transmissions and transaxles, this multi-grade oil effectively meets GL-4 specifications, making it a reliable choice for diverse vehicles.
Convenient Packaging
The 1-quart pack of four ensures you always have ample supply on hand, simplifying maintenance while providing excellent value for your investment in vehicle longevity.

Product Details

Shop for Red Line MT-90 Gear Oil - 1 Quart, Pack of 4 online at Ubuy Taiwan. High-quality gear oil for smooth and efficient performance. Order now!
  • High performance gear protection and longer synchro life
  • Quicker shifts and perfect synchronizer coefficient of friction
  • Recommended for GL-1, GL-3, and GL-4 applications
  • Satisfies gear oil viscosity requirements of 75W, 80W, SAE 40, 10W40, and 15W40 motor oil
  • Excellent for high- and low-mile transmissions, and compatible with petroleums and other synthetics
  • Designed for manual transmissions and transaxles, enabling high-speed downshifting and eliminating gear whine
Package Weight9.25 Pound

Who Should Buy?

Suitable For
  • Manual Transmission Vehicles

    Ideal for cars and trucks equipped with manual transmissions requiring GL-4 lubricants for optimal performance.

  • Performance Enthusiasts

    Perfect for drivers who need high-performance gear oil to enhance shifting precision and reduce wear.

  • Classic Car Owners

    Beneficial for classic cars that often require specific GL-4 fluids for their vintage manual transmission systems.

Not Suitable For
  • Automatic Transmissions

    Not suitable for automatic vehicles as it specifically caters to manual transmissions demanding GL-4 ratings.

  • High-Load Applications

    Users requiring high-load capacity gear oils may find this product insufficient for their heavy-duty needs.

  • Non-GL-4 Spec Gearboxes

    Incompatible with gearboxes designed for other lubricant specifications, potentially causing damage or operational issues.

Product Description

Red Line 50304 MT-90 75W-90 GL-4 Manual Transmission and Transaxle Lubricant (MTL) - 1 Quart (4 Pack)

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Customer Questions & Answers

  • Question: What is Red Line 50304 MT-90 75W-90 GL-4 Manual Transmission and Transaxle Lubricant used for?

    Answer: Red Line 50304 MT-90 is specially formulated for manual transmissions and transaxles requiring GL-4 lubrication. It's designed to provide superior film strength and resistance to oxidation, ensuring smooth gear shifts and enhanced performance. This lubricant is particularly beneficial for vehicles that operate under extreme conditions and require a high level of frictional stability, making it perfect for racing, towing, or off-road driving.
  • Question: What are the benefits of using Red Line MT-90 compared to standard lubricants?

    Answer: Red Line MT-90 offers several advantages over standard lubricants, including improved protection against wear, oxidation, and thermal breakdown. Its synthetic base minimizes friction, resulting in smoother shifting and reduced gear noise. Moreover, it's designed to maintain performance under high temperatures, making it ideal for demanding driving conditions, thus prolonging the lifespan of your transmission.
  • Question: Is Red Line MT-90 compatible with all manual transmissions?

    Answer: While Red Line MT-90 is specifically designed for GL-4 transmissions, it's important to check your vehicle's manual to confirm compatibility. It may not be suitable for certain older transmissions that require GL-5 lubricants, as they can potentially harm certain syncromesh components. Always verify with the manufacturer to ensure optimal performance and safety of your vehicle.
  • Question: How often should I change the transmission fluid with Red Line MT-90?

    Answer: Changing the transmission fluid depends on your driving habits and conditions. Generally, it's recommended to change the fluid every 30,000 to 60,000 miles, especially in heavily used vehicles or those subjected to high-stress situations. Using Red Line MT-90 can extend intervals between changes due to its exceptional durability and stability, but regular inspections will help maintain your vehicle’s health.
  • Question: Does Red Line MT-90 help with transmission noise?

    Answer: Yes, Red Line MT-90 is designed to reduce noise and enhance smooth operation in manual transmissions. Its advanced synthetic formulation helps provide better cushioning between gears. This reduction in friction not only contributes to quieter operation but also enhances the overall performance of the transmission, making it especially beneficial for those who notice grinding or unusual sounds during shifting.
  • Question: Can I mix Red Line MT-90 with other types of transmission fluid?

    Answer: It is generally not advisable to mix different types of transmission fluids because they can have varying chemical compositions, which may affect performance and lubrication. If switching to Red Line MT-90, it is best to drain the old fluid completely to ensure maximum effectiveness. Doing so will assure that you reap all the benefits of Red Line’s superior formulation.
  • Question: What is the role of the 75W-90 viscosity rating in MT-90 lubricant?

    Answer: The 75W-90 viscosity rating indicates the lubricant's thickness and flow characteristics at various temperatures. The '75W' represents the fluid's performance in cold temperatures, ensuring easy flow during cold starts, while '90' speaks to its high-temperature performance, maintaining a protective barrier under heat. This makes Red Line MT-90 versatile for a range of operating conditions, providing reliable performance all year round.
  • Question: Are there any special application instructions for using Red Line MT-90?

    Answer: When applying Red Line MT-90, ensure that the transmission is drained and ideally warmed to facilitate a complete change. Fill the transmission with MT-90 up to the manufacturer’s recommended levels. It’s advisable to operate the vehicle briefly after application, allowing the lubricant to circulate, and check for leaks after a short drive. This ensures proper coverage and maximum efficiency.
  • Question: What vehicles benefit most from using Red Line 50304 MT-90?

    Answer: Vehicles that require a GL-4 manual transmission fluid will benefit significantly from using Red Line 50304 MT-90. This includes many cars, trucks, and performance vehicles that demand superior protection and performance under stress. Additionally, if you engage in activities like towing or off-roading, using this lubricant can provide the enhanced durability your transmission needs.
  • Question: Where can I buy Red Line 50304 MT-90 75W-90 GL-4 Manual Transmission and Transaxle Lubricant in Taiwan?

    Answer: You can purchase Red Line 50304 MT-90 at Ubuy in Taiwan. Ubuy offers a convenient platform for buying this premium manual transmission lubricant, ensuring that you can easily find the product you need to keep your vehicle running smoothly. With their user-friendly interface, you can explore various options and make your purchase effortlessly.

RedLineOil Gear Oils Editorial Review

The Red Line MT-90 Gear Oil is highly praised by customers for its effectiveness in improving shifting and reducing transmission noise. It is particularly recommended for use in VW, Mazda, and Toyota vehicles that require GL-4 gear oil. Customers have reported that it successfully resolves issues with sticky synchros and improves overall shifting performance. The fluid is also known for its ability to protect brass synchronizers and prevent wear. With its high-quality performance and reasonable price, this gear oil is a reliable choice for manual transmissions.

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Pros

  • Improves shifting performance
  • Reduces transmission noise
  • Protects brass synchronizers
  • Works well in VW, Mazda, and Toyota vehicles

Cons

  • Not suitable for automatic transmissions

Product Price History

Important information

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