at Red Line Oil 50104 Fully Synthetic 75W85 GL-5 Gear Oil - 4 Quarts –
Red Line Oil 50104 Fully Synthetic 75W85 GL-5 Gear Oil - 4 Quarts
Red Line Oil

Red Line Oil 50104 Fully Synthetic 75W85 GL-5 Gear Oil - 4 Quarts

$96.12 In Stock Sold out
CODE: R3150104|R3150104|R3150104|R3150104




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  • Red Line Oil 75W85 GL-5 Gear Oil. Buy now and get same day shipping!Àš
  • Set of 4
  • Popular in many late model BMW, Dodge, Ford, GM, Jeep, Lexus, Mercedes-Benz, Ram, Toyota
  • Applications include differential oil, final drive oil, gear oil and transfer case fluid
  • Contains additional friction modifiers for suitability with clutch-type limited slip differentials - for most LSDs, no additional friction modifiers are required
  • This product is not designed for use in most manual transmissions or transaxles with synchronizers, as extreme slipperiness may cause shifting problems
  • Known formerly as LightWeight Gear Oil
  • Also popular in many Formula racing transaxles, including Hewland LD-200 and FTR sequential
  • Satisfies the gear oil viscosity requirements of SAE 75W80, 75W, 80W and 85W, as well as SAE 30 and SAE 10W30 motor oil
  • Fully-synthetic formulas created from polyol ester base stocks, offer excellent lubrication under extreme conditions
  • Ester base stocks and friction modifiers (except NS) provide additional slipperiness to lower operating temperatures by reducing the sliding friction in hypoid gears
  • High viscosity-index (VI) to provide relatively constant viscosity and film thickness with varying temperature change
  • Superior shear stability and reduced oxidation compared to other synthetics and conventional gear oils
  • Exceed API GL-5 specifications
  • Engineered to provide the highest degree of protection and improvement of differential efficiency for better mileage, longer drain intervals, and less wear
  • API Service Class GL 5+
  • SAE Viscosity Grade (Gear Oil) 75W85
  • Vis @ 100°C, cSt 12
  • Vis @ 40°C, cSt 68
  • Viscosity Index 171
  • Pour Point, °C -45
  • Pour Point, °F -49
  • Brookfield Viscosity, Poise 300 @ -40°C



  • We do our best to ship most items same or next day.
  • For all products, free fast delivery of the UPS is already included in the price.



Shipping is Free 🙂



Shipping and Delivery Times


  • All in-stock products are shipped within one business day. Delivery usually takes 2-5 business days. We have a large number of warehouses in different states which allows us to deliver the orders very fast.





  • Most products are shipped via UPS Ground, FedEx depending on size with some large items shipped by SAIA or others.
  • Once your order ships, tracking details will be emailed to you.



Where’s my order?


  • Good question, when tracking details have been provided that means your order has been processed and shipped. Tracking details usually appear in the shipper’s database within one business day, i.e. UPS and FedEx generally provide point-in-time tracking meaning your order location is updated as it is scans and gets closer to you.  Most orders should arrive within 2-5 business days. Still have an issue with delivery, please contact us to see how we can help.





  • Cancellations are free. Please contact us ASAP if you need to cancel your order.

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