Red Line Synthetic Oil

Red Line 57904 75W90 Gear Oil

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SKU:
19565828
MPN:
57904
Availability:
Usually ships the same or next business day. In stock at our CA, GA, KS, MI, PA, WA warehouses.
Shipping:
Calculated at Checkout
Stock Update:
12/18/2025 10:40:14 PM PST
$31.16

Bulk discount rates

Below are the available bulk discount rates for each individual item when you purchase a certain amount

Buy 2 and pay only $26.67 each 26.67
Buy 3 and pay only $24.55 each 24.55
Buy 4 or above and pay only $23.76 each 23.76
Stock Update:
12/18/2025 10:40:14 PM PST

Description

This item is brand-new, factory sealed.

Red Line 57904 (75W90) Synthetic Gear Oil - 1 Quart
  • Most popular Red Line gear oil, with thousands of applications for passenger cars, light trucks and racing vehicles
  • 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 in passenger vehicles, since the extreme slipperiness may cause synchronizer mesh issues that lead to shifting problems
  • Recommended for API GL-5, GL-6, MT-1, MIL-L-2105E, SAE J2360 and Chrysler spec MS-9763
  • Material: Synthetic
  • Brand: Red Line
  • Liquid Volume: 1 Quarts
  • Item Weight: 1.7 Pounds
  • Recommended Uses For Product: Truck,Car
  • Item Form: Oil
  • Manufacturer: Red Line
  • Item Weight: 1.7 pounds
  • Product Dimensions: 4 x 3.9 x 8.7 inches
  • Country of Origin: USA
  • Item model number: RED57904
  • Is Discontinued By Manufacturer: No
  • Manufacturer Part Number: 57904
  • OEM Part Number: 57904

Red Line's 75W90 Synthetic Gear Oil is their most popular gear oil, and is the preferred product in nearly all car and light truck differentials, both conventional and limited-slip. 75W90 is preferred for most racing applications. It contains friction modifier which is recommended for limited-slip units. 75W90 Gear Oil can be used in many transmissions and transaxles. However, other Red Line lubricants have better frictional properties for rapid synchronization. Exceeds API GL-5. Red Line's Synthetic Gear Oil's are designed to provide the highest degree of protection and greatest efficiency for your drivetrain. Red Line provides a complete line of drivetrain lubricants which are optimized for differential, transmission or transaxle use over a wide range of temperatures. Proper selection depends upon the manufacturers' requirements and whether the application is for passenger automotive, commercial or racing use. Red Line Gear Oils contain polyol ester basestocks to provide excellent lubrication even under extreme conditions of high-loading and high-temperatures. Their natural lubricity provide excellent slipperiness which reduces the sliding friction in hypoid gears to reduce wear and temperatures. The synthetic basestocks have a natural multigrade property, so large amounts of unstable thickeners are not required to manufacture our gear oils which means that Red Line Gear Oils will provide a stable viscosity for even extended periods of use. Red Line also manufactures gear oils which can be used in limited-slip differentials without the use of additional friction modifiers.

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Warranty Information

All Items are Brand New, Factory Sealed and come with a standard warranty. [Read our policies]
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Red Line 57904 75W90 Gear Oil
$31.16