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Red Line 57904 (75W90) Synthetic Gear Oil - 1 Quart

4.9 4.9 out of 5 stars 1,446 ratings

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1 Quart (32 Ounces)

Purchase options and add-ons

Material Synthetic
Brand Red Line
Liquid Volume 946 Milliliters
Item Weight 1.7 Pounds

About this item

  • Item Package Dimension 8.49999999133L x 3.99999999592W x 3.99999999592H inches
  • Item Package Weight - 1.69976404002 Pounds
  • Item Package Quantity - 1
  • Product Type - AUTO ACCESSORY
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$23.53 ($0.74/Ounce)
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Red Line 57904 (75W90) Synthetic Gear Oil - 1 Quart
Red Line 57904 (75W90) Synthetic Gear Oil - 1 Quart
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Price-9% $23.53
List:$25.99
-6% $10.38
Typical:$10.99
$65.82-15% $39.99
List:$47.06
$74.99$74.17
Delivery
Get it as soon as Monday, Apr 1
Get it as soon as Monday, Apr 1
Get it as soon as Monday, Apr 1
Get it as soon as Monday, Apr 1
Get it as soon as Monday, Apr 1
Get it as soon as Monday, Apr 1
Customer Ratings
Value for money
4.8
4.7
4.7
4.5
4.5
Longevity
4.8
4.7
4.5
3.6
Mileage
4.8
4.8
4.8
4.5
Light weight
4.6
4.8
4.8
Sold By
R/A Hoerr Incorporated
Amazon.com
Amazon.com
R/A Hoerr Incorporated
R/A Hoerr Incorporated
R/A Hoerr Incorporated
liquid volume
946 milliliters
1 gallons
32 fluid ounces
1 quarts
128 fluid ounces
4 quarts
form
Oil
Oil
Oil
Oil
Fluids,Oil
Oil
material
Synthetic
Blend, Blend, Blend, Blend, Blend
Synthetic
polyol ester

From the brand

Product Description

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.

Product information

Technical Details

Additional Information

Warranty & Support

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Product Warranty: For warranty information about this product, please click here

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Red Line 57904 (75W90) Synthetic Gear Oil - 1 Quart


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What's in the box

  • Gear Oil
  • Looking for specific info?

    Customer reviews

    4.9 out of 5 stars
    4.9 out of 5
    1,446 global ratings

    Customers say

    Customers like the quality, value, smoothness, and noise of the machine lubricant. For example, they mention it works wonderfully, is excellent gear oil, and is good value for money. That said, some say it's a great replacement for the overpriced OEM stuff. As for the smoothness of the car, they say it runs buttery smooth. As far as the noise is concerned, they note that it'll not chatter.

    AI-generated from the text of customer reviews

    118 customers mention118 positive0 negative

    Customers are satisfied with the quality of the lubricant. For example, they mention it works well, has never failed, and has a high quality. Some say it works great for their Ford RWD, Subaru AWD, and Toyota AWD vehicles. Overall, customers are happy with their purchase and recommend it to others.

    "red line is just the best." Read more

    "For my 2023 Miata differential. Works great. No complaints." Read more

    "...Redline is awesome stuff and you can trust it. No smoke and mirrors." Read more

    "Great diff fluid for NC Miatas, street or track usage.About 500 miles in, and I'm very happy with it." Read more

    45 customers mention45 positive0 negative

    Customers are satisfied with the gear oil. They mention that it is excellent, great for transmissions, and lubricates the gears. Some say that the OEM oil was so-so. Overall, customers are happy with their purchase and recommend it to others.

    "Awesome gear oil. I have been using for few years in 2012 mustang gt and it quieted the noisy 3.73 gears...." Read more

    "This is great oil. It is very very hard to get off, which is bad if you spill it but great in its application...." Read more

    "This is awesome gear oil. I use this to change the oil in the front/rear differential on my 2011 Subaru Outback 2.5i...." Read more

    "...This is one of the best oils for standard differentials; limited-slip differentials take a different Redline product...." Read more

    37 customers mention33 positive4 negative

    Customers like the value of the lubricant. They say it's the best stuff on the market, it doesn't cost an arm and a leg, and is a great replacement for overpriced OEM stuff. Some say it is s little pricey, but definitely worth it.

    "...the market but this Red Line Synthetic Gear Oil is the best quality for an acceptable price.WHAT I LIKED:..." Read more

    "good price" Read more

    "...best gear oils out there and it comes in a convenient size and very fair price. I used this for my manual 2007 Toyota Corolla...." Read more

    "...This is some of the best stuff on the market and it doesn't cost an arm and a leg. It sure does stick though." Read more

    34 customers mention34 positive0 negative

    Customers are satisfied with the smoothness of the lubricant. They mention that it drives buttery smooth, shifts are smoother, and the clutch engagement is silky smooth. They also say that it enhances less friction and promotes a smoother take off and curve handling.

    "...I'll should also mention. This stuff is super slick, and claims to reduce heat dramatically and increase efficiency (gas mileage) a few percent..." Read more

    "smooth as butter" Read more

    "...Smooth and quiet operation of diff with no issues. Definitely recommend! Just purchased 2 more bottles for a 3rd drain-n-fill...." Read more

    "...Shifts were smoother, less clunking, and neutral was MUCH easier to find. Still not what it should be, but much better...." Read more

    24 customers mention20 positive4 negative

    Customers like the noise of the lubricant. They say the gears operate quietly, with no issues. They also mention that the drivetrain components operate quietly and smoothly. Customers also say that the oil takes all the chatter out of the gearbox and makes shifting super smooth.

    "...I've consisteny maintained 1 mpg more than before. No lsd chatter." Read more

    "Run this in my 328xi manual trans and both differentials, it’s great hear oil, been using it for years!" Read more

    "...Smooth and quiet operation of diff with no issues. Definitely recommend! Just purchased 2 more bottles for a 3rd drain-n-fill...." Read more

    "...Shifts were smoother, less clunking, and neutral was MUCH easier to find. Still not what it should be, but much better...." Read more

    22 customers mention16 positive6 negative

    Customers like the shifting with the machine lubricant. They say it improves shifting, makes it a breeze, and reduces shifting effort. Customers also mention that the clutch action is perfect and gears shift much more smoothly with no slippage.

    "...It rejuvenated the fluidity of shifting in my car. The presentation of the product is simple yet informative...." Read more

    "...The Harley shifts great and is easier to find neutral versus whatever fluid was in the bike from the previous owner." Read more

    "...Amsoil 75w90 gear lube for my 1st drain-n-fill, but diff felt weird around slower turns like it was skipping, maybe due that I don't have limited..." Read more

    "...GL4 is the way to go. Much smoother, shifts fast. The previous oil was GL5 Amsoil. Purchase MT90 for your manual transmission, if in doubt...." Read more

    14 customers mention14 positive0 negative

    Customers like the versatility of the machine lubricant. They mention that it's great for differentials, spirited drives, and track use.

    "...It's High Performance fluid! and great for spirited drives or Track use...." Read more

    "This is excellent for rear differentials, if you want Red Line for your transmission use [[ASIN:B000CPCBEQ Red Line 50304 Manual Transmission (MT)..." Read more

    "...To slick. Hard to shift. Great for Differentials. Red line has another product for Transmissions.It works better for tranys...." Read more

    "Good stuff. Use it in my 2015 wrx 6mt." Read more

    11 customers mention7 positive4 negative

    Customers are mixed about the friction of the machine lubricant. Some mention it's very slippery, great for limited slip differentials, and enhances less friction and smoother shifting. However, others say that there is no grip assist to the bottle, it'd be sticky and can get everywhere if you're not careful.

    "...It takes a beating from drifting and still runs smooth." Read more

    "...It should also be noted that there is no grip assist to the bottle and if you get any oil on the oil by accident, you could easily drop or mishandle..." Read more

    "Great product as described and known to be,It enhances Less friction and Smoother shifting...." Read more

    "...Clutch action is perfect and gears shift much more smoothly with no slippage...." Read more

    Great product/price…fast shipping!
    5 Stars
    Great product/price…fast shipping!
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    Top reviews from the United States

    Reviewed in the United States on February 11, 2024
    Size: 1 Quart (32 Ounces)Verified Purchase
    Reviewed in the United States on December 26, 2023
    Size: 1 Quart (32 Ounces)Verified Purchase
    Reviewed in the United States on January 15, 2024
    Size: 1 Quart (32 Ounces)Verified Purchase
    Reviewed in the United States on February 20, 2024
    Size: 1 Quart (32 Ounces)Verified Purchase
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    5.0 out of 5 stars Great product/price…fast shipping!
    Reviewed in the United States on February 20, 2024
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    Reviewed in the United States on November 23, 2023
    Size: 1 Quart (32 Ounces)Verified Purchase
    Reviewed in the United States on February 28, 2024
    Size: 1 Quart (32 Ounces)Verified Purchase
    Reviewed in the United States on May 8, 2023
    Size: 1 Quart (32 Ounces)Verified Purchase
    Reviewed in the United States on February 27, 2024
    Size: 1 Quart (32 Ounces)Verified Purchase

    Top reviews from other countries

    Translate all reviews to English
    Mike
    5.0 out of 5 stars Used for seadoo speedster so and 93 gtx
    Reviewed in Canada on November 3, 2023
    Size: 1 Quart (32 Ounces)Verified Purchase
    Faruk koroglu
    5.0 out of 5 stars Very good product.
    Reviewed in the United Kingdom on December 31, 2020
    Size: 1 Quart (32 Ounces)Verified Purchase
    ふぇす。
    5.0 out of 5 stars とても良い
    Reviewed in Japan on June 9, 2019
    Size: 1 Quart (32 Ounces)Verified Purchase
    Amazon Customer
    5.0 out of 5 stars Good stuff
    Reviewed in Canada on April 27, 2021
    Size: 1 Quart (32 Ounces)Verified Purchase
    Ian
    5.0 out of 5 stars Five Stars
    Reviewed in the United Kingdom on August 23, 2017
    Size: 1 Quart (32 Ounces)Verified Purchase