

⚙️ Shift to the future with Red Line – where power meets precision!
Red Line 50104 75W85 GL-5 Full Synthetic Gear Oil is engineered for hypoid limited slip differentials, offering superior protection, enhanced shifting, and extended durability. Its advanced synthetic formula ensures rapid lubrication in cold weather, reduces heat and wear, and is trusted by leading automotive and racing applications. Compatible with a wide range of vehicles, it delivers race-grade performance for both street and competition use.
| ASIN | B01LOJT8UI |
| Best Sellers Rank | #1,372 in Automotive ( See Top 100 in Automotive ) #2 in Gear Oils |
| Brand | Red Line |
| Brand Name | Red Line |
| Customer Reviews | 4.8 out of 5 stars 1,142 Reviews |
| Included Components | GL-5 Gear Oil |
| Item Weight | 6 Pounds |
| Liquid Volume | 4 Quarts |
| Manufacturer | Red Line |
| UPC | 083522501446 |
| Unit Count | 128.0 Fluid Ounces |
S**S
Great price and good quality
Works great Toyota Tacoma 2018
R**R
Red Line compared to Original gear oil during Servicing
I changed the rear differential fluid in my 2021 Kia Seltos Turbo at 50 K miles. The original oil was clear. Checked and clean the magnet. Small amount of powered filings on magnet, normal condition. Replaced with Redline75W85 GL-5 Full Synthetic Gear Oil. The original fluid had a fish smell to it, possibly regular gear oil. The Redline nearly no smell and the oil felt more slippery on my hand. After fluid install, I drove the car in traffic and the interstate. I felt like I had a little more power and easier acceleration from a Stop. I can tell the rear end is quieter as well. Next I will replace the transmission fluid. Being a dual clutch the Redline MT fluid will hopefully complement the performance increase. It should increase MPG a little. Very Good lubricant.
W**E
Great Quality
I purchased this to replace the rear differential fluid on my 2020 explorer and there’s definitely a noticeable difference in the performance. I will be using this again!
N**K
Fast shipping always in stock.
Shipped super fast. Arrived a day earlier than expected. Came in (2), 1 qt bottles. Great product - using this Friday on a GR Corolla for transfer case and rear differential fluid change. Only fluid I could get since Toyota has a National back order on their fluid and it’s about $100 for (1) qt.
C**A
Great stuff looks high quality
Changed differential fluid 15’ tundra , feels better and more responsive after fluid change
A**R
trans oil fix
worked fine met industry specs
P**6
Great Oil!
Meets toyota quality specs, but wish it came with a squeeze bottle. However I will take the quality oil and fill the diffs with a syringe than use the other major brand gear oils. Put in your 3rd gen tacoma and use with faith!
S**R
Suggest you try it!
Highly recommend the Redline products! Save money , and every bit as good as the Toyota brand fluid!
Trustpilot
3 weeks ago
5 days ago