Buy anything from 5,000+ international stores. One checkout price. No surprise fees. Join 2M+ shoppers on Desertcart.
Desertcart purchases this item on your behalf and handles shipping, customs, and support to KUWAIT.
⚙️ Shift smoother, drive smarter — never settle for less than Red Line MT-90!
Red Line MT-90 Gear Oil is a premium synthetic 75W-90 lubricant designed specifically for manual transmissions and transaxles. Its GL-4 rating and optimized friction coefficient ensure smooth, precise shifting while protecting synchronizers from wear. With outstanding shear and oxidation stability, it maintains consistent viscosity under varying temperatures and heavy loads, making it a top choice for performance and longevity in both domestic and import gearboxes.
| ASIN | B003P550IE |
| Brand Name | Red Line |
| Container Type | Bottle |
| Customer Reviews | 4.8 4.8 out of 5 stars (395) |
| Item Form | Oil |
| Liquid Volume | 128 Fluid Ounces |
| Manufacturer | Red Line |
| Material | Synthetic |
| Model Number | 50304 |
| Part Number | 50304 |
| Recommended Uses For Product | Gear Oil |
| UPC | 737534816608 |
| Unit Count | 128.0 Fluid Ounces |
F**E
Red Line MT-90 is a top-tier synthetic gear oil that delivers noticeable improvements in manual transmission performance. I used it in a high-mileage 5-speed and immediately felt smoother shifts—especially in cold weather. It quieted down some minor gear whine and made engagement feel more precise. The GL-4 rating is perfect for transmissions that need protection without the aggressive additives found in GL-5 oils, which can be harsh on yellow metals like synchros. The viscosity is ideal for most import and domestic gearboxes that spec 75W-90, and it holds up well under heat and load. If you're chasing better shift feel or just want to treat your transmission right, MT-90 is a solid investment. It’s not the cheapest option, but the performance and protection are worth every drop.
H**Y
Shifts very smooth in my 2009 mazdaspeed 3
P**N
1994 Eurovan 5 speed shifting as it should again. Shipping speed wss good. Packaging was good. It was bit pricey but there are cheaper alternatives. You get what you pay for.
C**O
Noticeably better shifts. Synchro engagement feels much smoother.
J**.
I used it for a classic car manual transmission.
Trustpilot
3 weeks ago
2 months ago