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Red Line 50504 MT-85 Manual Transmission 75W85 GL-4 Gear Oil - 1 Quart (12 Pack)
Gear protection and longer synchro life. Offers quicker shifts and excellent gear and synchro protection. Safe for brass synchros. Popular gear oil for Nissan, Mitsubishi, Hyundai, Kia and Quaife synchro manual trans applications. Red Line Products perform & protect better than any on the market.
Red Line 50504 MT-85 Manual Transmission 75W85 GL-4 Gear Oil - 1 Quart (12 Pack)
Item #: 39642477

Red Line 50504 MT-85 Manual Transmission 75W85 GL-4 Gear Oil - 1 Quart (12 Pack)

Item #: 39642477

AUD 621

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Gear protection and longer synchro life. Offers quicker shifts and excellent gear and synchro protection. Safe for brass synchros. Popular gear oil for Nissan, Mitsubishi, Hyundai, Kia and Quaife synchro manual trans applications. Red Line Products perform & protect better than any on the market.
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What Stands Out

Premium Performance
Red Line MT-85 gear oil is engineered for superior performance in manual transmissions, ensuring smooth shifting and reliable operation under varying conditions, making it ideal for both everyday and high-performance vehicles.
High-Quality Formulation
With a unique blend of synthetic base oils and additives, this gear oil provides excellent protection against wear and oxidation, extending the life of your transmission and improving overall efficiency.
GL-4 Compliance
This 75W85 GL-4 rated gear oil meets or exceeds the requirements for a wide range of manual transmissions, providing compatibility and optimal performance, ensuring peace of mind for automotive enthusiasts and repair professionals.

Product Details

Shop the best Red Line 50524 MT-85 75W-85 GL-4 Gear Oil at Ubuy Australia. Enjoy fast shipping and great prices on automotive lubricants. Order now!
  • High performance gear oil for gear protection and longer synchro life
  • Offers balanced friction control and slipperiness for easier shifting, even in cold climates
  • Safe for brass synchros and lacks reactive sulfurs found in most GL-5 oils
  • Popular gear oil for various car models such as Nissan 350Z, 370Z, Mitsubishi Evolution, Hyundai, Kia, and Quaife synchro manual trans applications
  • Established in 1979, Red Line Products are known for superior performance and protection
Item Weight24 lbs (10.89 kg)

Who Should Buy?

Suitable For
  • Manual Transmission Users

    Ideal for vehicles with manual transmissions requiring GL-4 rated oils for optimal performance and protection.

  • Performance Vehicle Owners

    Great for sports cars and performance vehicles that demand superior gear lubrication under high stress and temperatures.

  • Classic Car Enthusiasts

    Perfect for vintage vehicles needing a specific viscosity and protection to maintain smooth transmission operation.

Not Suitable For
  • Automatic Transmission Users

    Not suitable for vehicles with automatic transmissions that require different fluid types for proper function.

Product Description

Red Line 50504 MT-85 Manual Transmission 75W85 GL-4 Gear Oil - 1 Quart (12 Pack)

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is the main purpose of Red Line 50504 MT-85 gear oil?

    Answer: Red Line 50504 MT-85 gear oil is specifically designed for manual transmissions. It offers superior lubrication, helps in reducing friction, and ensures smooth gear shifting. This product is formulated to meet the needs of high-performance vehicles, making it an excellent choice for enthusiasts who demand quality and reliability. For instance, if you're using it in a sports car or a vintage vehicle, you can expect improved performance and longevity of your transmission.
  • Question: Is Red Line 50504 MT-85 suitable for all manual transmissions?

    Answer: While Red Line 50504 MT-85 is designed for manual transmissions that require GL-4 lubrication, it is crucial to consult your vehicle's owner's manual. This lubricant is not suitable for automatic transmissions or those requiring GL-5 fluid, meaning if your manual transmission calls for GL-4, this product can enhance performance and shift quality significantly.
  • Question: What are the viscosity benefits of using 75W85 gear oil?

    Answer: The 75W85 viscosity rating of Red Line 50504 gear oil indicates its effectiveness across a broad temperature range. This provides excellent protection even in extremely cold weather, ensuring lubrication starts immediately without wear. For many drivers in varying climates, this means better shifting capability, especially during cold starts, ensuring the longevity of your transmission under different conditions.
  • Question: Can I mix Red Line 50504 MT-85 with other gear oils?

    Answer: It's generally not recommended to mix different brands or types of gear oils, as it can alter performance and lubrication properties. Red Line 50504 MT-85 is specially formulated for optimal performance, and mixing could dilute its superior qualities. For the best results, always drain the existing fluid completely before adding this product to ensure maximum benefits and reliability for your transmission.
  • Question: What vehicles are compatible with Red Line 50504 MT-85?

    Answer: Red Line 50504 MT-85 is designed for use in a variety of manual transmissions, including those in performance and classic cars. It is particularly beneficial for vehicles that specify a GL-4 gear oil. Owners of vehicles like sports cars, modified engines, and older models can experience enhanced shift quality and better overall transmission health by using this specialized oil.
  • Question: How often should I change my manual transmission fluid?

    Answer: The frequency of changing your manual transmission fluid can depend on several factors, such as driving conditions and mileage. A common recommendation is every 30,000 to 60,000 miles, but some drivers may extend this if they experience infrequent or light use. Regular checks can help you determine if degradation occurs sooner, ensuring your transmission stays in top condition and operates smoothly.
  • Question: Are there any additives in Red Line 50504 MT-85?

    Answer: Yes, Red Line 50504 MT-85 includes a blend of advanced additives that enhance performance, such as friction modifiers and anti-wear agents. These additives work together to reduce thermal breakdown and improve the oil's film strength under pressure. This means that your transmission will benefit from better performance and less wear, particularly during high-stress situations like racing or towing.
  • Question: What are the advantages of buying in a 12 pack?

    Answer: Purchasing Red Line 50504 MT-85 in a 12 pack can offer several advantages, including convenience and cost-effectiveness. If you regularly maintain multiple vehicles or perform frequent fluid changes, having a bulk supply on hand helps you avoid last-minute trips to the store. Additionally, buying in bulk can sometimes lead to better pricing deals and ensures you have sufficient supplies when needed.
  • Question: What are the temperature ratings for 75W85 gear oil?

    Answer: The 75W85 rating signifies that this gear oil remains effective in both cold climates and warm operating conditions. It flows efficiently at low temperatures, ensuring immediate protection, while maintaining its characteristics under high thermal stress. For those living in regions with extreme temperature fluctuations, this gear oil offers the versatility required for reliable transmission performance year-round.
  • Question: Where can I buy Red Line 50504 MT-85 Manual Transmission 75W85 GL-4 Gear Oil - 1 Quart 12 Pack?

    Answer: You can purchase Red Line 50504 MT-85 Manual Transmission 75W85 GL-4 Gear Oil in a 12 pack from Ubuy in Australia. Ubuy offers a convenient online shopping experience, ensuring you have access to this high-quality gear oil whenever you need it, supporting your vehicle's performance and maintenance.

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