0 ratings
Item #:
121962379
Red Line 50304 MT-90 75W90 GL-4 Gear Oil 1 Quart (Pack of 3)
Item #:
121962379
GBP 73
Price Details
Price
GBP 73
Excluding Shipping, VAT & Custom charges ( Shipping, VAT and custom charges will be calculated on checkout.
If Item price + shipping is below GBP 135, 20% VAT will be calculated on checkout, if it is equal or above GBP 135, no VAT will be charged. )
0 ratings
Write a review
In stock
Imported from USA store
QTY:
Excluding VAT : VAT will be calculated on the checkout page
Order now and get it around Saturday, August 15
Secured transaction
Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
Our Top Logistics Partners
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.
Buy Now Pay Later
Fast
Shipping
Free
Return*
Secure Packaging
100% Original Products
PCI DSS Compliance
ISO 27001 Certified
Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
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.
-
Performance Enthusiasts
Perfect for performance vehicles requiring superior lubrication and heat resistance during high-stress driving conditions.
-
Classic Car Owners
Recommended for classic car enthusiasts looking to enhance transmission longevity with a high-quality, GL-4 rated oil.
-
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
-
5 Star
100%
-
4 Star
0%
-
3 Star
0%
-
2 Star
0%
-
1 Star
0%
Review this product
Share your thoughts with other customers
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
MA
Mohammad
Verified buyer
“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
CK
Chitra
Verified buyer
“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
22-Jul-26 · via Trustpilot
K
kund
Verified buyer
“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
23-Jul-26 · via Trustpilot
OO
Onesi
Verified buyer
“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
22 July 2026 · via Trustpilot
SJ
SAO JOHN
Verified buyer
“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”
23 July 2026 · via Trustpilot
Secure Checkout
Global Delivery
Easy Returns
Genuine Products
Product Price History
Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
- Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.
GBP 73
Excluding VAT : VAT will be calculated on the checkout page
Order now and get it around Saturday, August 15
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.)
QTY:
Secured transaction
PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
Our Top Logistics Partners
Fastest cross-border delivery
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.
Ubuy Assurance
Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.