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⚙️ Shift Smooth, Drive Confident: The Gear Oil Millennials Trust
Red Line 50304 MT-90 is a premium 75W-90 GL-4 manual transmission lubricant designed to deliver smooth, notchy-free shifting and superior gear protection. With high-temperature stability up to 300°F and a perfect coefficient of friction, it ensures excellent synchronizer performance and cold-weather shifting reliability. Trusted by enthusiasts for enhancing transmission longevity and eliminating gear noise.
| ASIN | B00NT5V8RW |
| Best Sellers Rank | #67,535 in Automotive ( See Top 100 in Automotive ) #740 in Automotive Oils |
| Brand | Red Line |
| Brand Name | Red Line |
| Container Type | Bottle |
| Customer Reviews | 4.9 out of 5 stars 584 Reviews |
| Item Form | Oil |
| Item Weight | 903 g |
| Item weight | 903 g |
| Liquid Volume | 64 Fluid Ounces |
| Liquid volume | 64 Fluid Ounces |
| Manufacturer | Red Line |
| Model Number | 50304 |
| Number of Items | 1 |
| Package information | Bottle |
| Part Number | 50304 |
| Recommended Uses For Product | Gear Oil |
| Recommended uses for product | Gear Oil |
| SAE J300 Viscosity Grade | 10W-40 |
| Specific Uses For Product | Manual transmissions and transaxles, GL-1, GL-3, and GL-4 applications |
| UPC | 737534816592 |
| Unit Count | 64 Fluid Ounces |
| Upper Temperature Rating | 300 Degrees Fahrenheit |
| Viscosity | 75W90 |
K**B
Seems to be a very good oem alternate
My 2007 Corolla 5 speed always had a “notchy” first gear engagement when coming to a stop and this was immediately gone when switching to this fluid. Keep in mind when i drained my transmission the old fluid smelled like it was at the end of its life and i have no idea which fluid was in it before as I’ve only put about 15k miles on the car in over a year and a half. Overall I’m very happy with this fluid and it seemed to make shifting overall more smooth. Would recommend
T**S
Liquid gold for Toyotas
If you own an old Toyota, use redline in your transmission, it's really that simple. Better, smoother, and longer lasting than anything on the market
A**N
Scion grinding in 2nd or 3rd? This is what you need!
Wow, I am shocked! So I've been dealing with my gears grinding in 2nd and 3rd for the past 1 1/2 Years in my manual 2005 Scion XA the car has had the problem since before i bought it, The previous owners replaced the clutch, And I'm assuming that someone had added extra gear oil, Because it spilled out when i took off the fill cap on ramps, I've been trying to figure out the grinding, For the past 2 years doing everything but trying to put a new clutch in, Previous owners also stated that the mechanic may have put the clutch in wrong, I guess he didn't, Because this nearly completely fixed the issue in under 200 miles of driving, Driving has also become much smoother, If you have a Scion XA i suggest changing to this oil regardless if your gears are grinding! You only need exactly 2 quarts for the Scion XA no more no less, I wish all m mechanics would look this up before adding too much oil! I found this out from reading forms on the Scion XA, Everyone suggested this oil for the grinding and regardless! So i hope someone sees it here!
2**N
It's red line if you know you know
I mean does red line really need a review I mean after all it's red line if you know you know
N**T
small opening
its perfect
Trustpilot
1 day ago
2 months ago