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Item #:
121962379
Red Line 50304 MT-90 75W90 GL-4 Gear Oil 1 Quart (Pack of 3)
Item #:
121962379
AUD 148
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In stock
Imported from USA store
QTY:
Order now and get it around Friday, August 14
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Enjoy quicker shifts and high performance gear protection with our MT-90 75W90 GL-4 Gear Oil, designed for smooth operation even in cold conditions.
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What Stands Out
GL-4 Specification
Meets GL-4 standards, ensuring compatibility with a wide range of gearboxes and providing reliable protection under high pressure and temperature conditions, thus extending the life of your vehicle’s transmission.
High Viscosity
75W90 viscosity offers optimal performance in varying temperatures, enhancing lubrication and reducing friction, resulting in smoother gear shifts and improved fuel efficiency for both performance and everyday driving.
Convenient Packaging
Sold in a pack of three quarts, ensuring you have sufficient gear oil for multiple applications, saving time and effort in maintenance while providing excellent value for automotive enthusiasts and professionals alike.
Product Details
| Brand | Red Line |
| Oil Viscosity | 75W - 90 |
| Manufacturer Part Number | RD-50304x3 |
| Package Quantity | Pack of 3 |
| GL Rating | GL-4 |
| UPC | Does not apply |
| Item Weight | 6.9 lbs (3.13 kg) |
Who Should Buy?
-
Manual Transmission Users
Ideal for those who own vehicles with manual transmissions needing high-quality gear oil for smooth shifting.
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Performance Enthusiasts
Perfect for performance vehicles requiring superior lubrication and heat resistance during high-stress driving conditions.
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Classic Car Owners
Recommended for classic car enthusiasts looking to enhance transmission longevity with a high-quality, GL-4 rated oil.
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Automatic Transmissions
Not suitable for automatic transmissions that require different fluid specifications for optimal performance.
Product Description
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
Is this gear oil safe for brass synchros?
Answer: Yes, our MT-90 75W90 GL-4 Gear Oil is safe for brass synchros as it lacks harmful reactive sulfurs. -
Question:
Can I use this oil in my off-road vehicle?
Answer: Absolutely! This gear oil is popular in multiple manufacturer transmissions and transfer cases for off-road applications. -
Question:
What viscosity does this gear oil satisfy?
Answer: It satisfies the viscosity requirements of 75W90, 80W90, 90, and motor oil viscosities of SAE 40, 10W40, and 15W40.
red line Editorial Review
The Red Line 50304 MT-90 75W90 GL-4 Gear Oil has garnered positive feedback from customers who appreciate its performance in a variety of manual transmission applications. Users have reported excellent results in their vehicles, notably in the 2005 Hyundai Elantra and the 2001 Toyota Tacoma 4WD, where it effectively caters to the specific requirements of brass synchronizers. With many enthusiasts praising its effectiveness, this gear oil stands out, especially for those seeking solutions for manual transmissions that require GL-4 fluid. Customers have highlighted its effective lubrication and smooth shifting as key benefits. Whether you are a car enthusiast or simply looking to maintain your vehicle's performance, this product has proven its reliability and functionality among users across different makes and models. Pros and Cons: **
Customer Reviews & Ratings
11 customers ratings
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Pros
- Effective for manual transmissions requiring GL-4 fluid.
- Notable performance in various vehicles (e.g., Hyundai Elantra, Toyota Tacoma).
- Enhances shifting smoothness and overall transmission functionality.
- Favorable reviews from users highlight its reliability and efficiency.
Cons
- Limited feedback on performance longevity or specific negatives, as reviews generally lean towards positive experiences.
Platform Trust & Buyer Confidence
CJ
Chris
Verified buyer
“Promt delivery. Seems like a good product.”
22 July 2026 · via Trustpilot
SM
Scott
Verified buyer
“It was the best service ever received by any company from my online shopping experience in the last 10yrs”
11 July 2026 · via Trustpilot
TD
Terri
Verified buyer
“so easy to order delivery was way earlier than i expected”
3 July 2026 · via Trustpilot
GC
Gavin
Verified buyer
“Very impressed with the speed at which I received my package from the United States to Australia. Highly recommended.”
21-Jul-26 · via Trustpilot
J
Jeannie
Verified buyer
“Very efficient service. Hassle-free. Excellent product. Have ordered several times.”
17-Jul-26 · via Trustpilot
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AUD 148
Order now and get it around Friday, August 14
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
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Features & Benefits
- Quicker shifts and smoother shifting experience.
- Compatible with multiple manufacturer transmissions and transfer cases.
- Safe for brass synchros, preventing damage from reactive sulfurs.
- High performance gear protection and extended synchro life.
- Meets various viscosity requirements, including 75W90 and motor oil viscosities.
- Recommended for GL-1, GL-3, GL-4 applications, and special synchromesh fluids.
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