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Sold by: R/A Hoerr Incorporated
Sold by: R/A Hoerr Incorporated
(32739 ratings)
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Red Line 58204 Heavy ShockProof Gear Oil - 1 Quart Bottle

4.9 4.9 out of 5 stars 910 ratings

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1 Quart (32 Ounces)

Purchase options and add-ons

Brand Red Line
Package Information Bottle
Liquid Volume 32 Fluid Ounces
Item Weight 2 Pounds

About this item

  • For best performance, follow the manufacturer's recommendations in your vehicle owner’s manual.
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$24.98 ($0.78/Fl Oz)
Get it as soon as Monday, Mar 25
Available to ship in 1-2 days
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$19.99 ($0.62/Fl Oz)
Get it as soon as Monday, Mar 25
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Red Line 58204 Heavy ShockProof Gear Oil - 1 Quart Bottle
Red Line 58204 Heavy ShockProof Gear Oil - 1 Quart Bottle
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Red Line 50304, MT-90 75W-90 GL-4, Synthetic Gear Oil for Manual Transmission and Transaxles, Safe for Brass Synchros, Eliminates Notchy Shifting, Even When Cold - 2 Quart
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Price$24.98$94.99$74.99-18% $236.30
List:$287.64
$40.50-11% $40.99
List:$46.20
Delivery
Get it as soon as Monday, Mar 25
Get it Mar 25 - 27
Get it as soon as Monday, Mar 25
Get it as soon as Monday, Mar 25
Get it as soon as Monday, Mar 25
Get it as soon as Monday, Mar 25
Customer Ratings
Value for money
4.6
4.5
4.7
4.6
Light weight
4.6
4.8
4.2
4.7
Mileage
4.8
5.0
4.7
Longevity
4.5
5.0
4.8
Sold By
Amazon.com
sa retail inc
R/A Hoerr Incorporated
Amazon.com
Edo Performance
R/A Hoerr Incorporated
liquid volume
32 fluid ounces
1 quarts
128 fluid ounces
1 quarts
1 quarts
64 fluid ounces
form
Oil
Oil
Fluids,Oil
Oil
Oil
weight
2 pounds
26.79 pounds
1.99 pounds

From the brand

Product Description

These products on exceptionally high order fulfillment rates, breadth of available products and these are also complete line of Heavy-Duty Shop Products that will bring you years of reliable performance.

Product information

Technical Details

Additional Information

Warranty & Support

Amazon.com Return Policy:Amazon.com Voluntary 30-Day Return Guarantee: You can return many items you have purchased within 30 days following delivery of the item to you. Our Voluntary 30-Day Return Guarantee does not affect your legal right of withdrawal in any way. You can find out more about the exceptions and conditions here.
Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

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Red Line 58204 Heavy ShockProof Gear Oil - 1 Quart Bottle


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What's in the box

  • Auto part, Automotive Accessories, Replacement and Performance parts
  • Looking for specific info?

    Customer reviews

    4.9 out of 5 stars
    4.9 out of 5
    910 global ratings

    Customers say

    Customers like the quality, noise and ease of use of the machine lubricant. For example, they mention it's a great product, it makes shifting a lot smoother and it'll quieten the transmission. Some appreciate the smoothness and the fact that it turns bang into click. Opinions are mixed on the value.

    AI-generated from the text of customer reviews

    87 customers mention87 positive0 negative

    Customers are satisfied with the quality of the lubricant. They mention that it works great, is the best for transmission fluid, and has helped delay transmission failure. Some say that it's excellent gear oil.

    "Great product. Notably quieted and smoother shiftng. Expensive though." Read more

    "Appears to work OK" Read more

    "This trans oil is the best fluid I have ever used in my 2011 HD FLHTK. Quiets that 6 speed trans down & makes finding neutral extremely easy...." Read more

    "...My axle calls for 90w140, and the Heavyweight Shockproof oil flows great and has held up better than any other fluid including Red Line "yellow"..." Read more

    75 customers mention65 positive10 negative

    Customers like the shifting with the lubricant. They say it makes the gears shift smoother. Some mention that it makes it shift like a car. Overall, most are satisfied with the performance of the product.

    "...This oil will stop that and the transmission will shift smoother than it ever has. Years ago I took my motorcycle into the shop for fluid change...." Read more

    "Great product. Notably quieted and smoother shiftng. Expensive though." Read more

    "...the diffs were notably quieter and that the car even accelerated and coasted more easily than even with the mobil-1 gear oil...." Read more

    "...Shifting is quieter and more smooth. Neutral is right there, no fumbling for it. At speed the whine may be not as loud...." Read more

    49 customers mention45 positive4 negative

    Customers say the lubricant is great for quieting down transmissions and making smoother shifts. They also mention that it relieves a lot of sound.

    "Great product. Notably quieted and smoother shiftng. Expensive though." Read more

    "This is all I use in my old 7 bagger can tell a difference. It runs quieter, especially on hot days." Read more

    "...Immediately, I noticed that the diffs were notably quieter and that the car even accelerated and coasted more easily than even with the mobil-1 gear..." Read more

    "...From the very first test ride the change is noticeable. Shifting is quieter and more smooth. Neutral is right there, no fumbling for it...." Read more

    15 customers mention15 positive0 negative

    Customers find the machine lubricant easy to use. They mention that it makes finding neutral extremely easy, with smoother shifting. Some say that they've never had a problem with finding neutral.

    "...Shifting is quieter and more smooth. Neutral is right there, no fumbling for it. At speed the whine may be not as loud...." Read more

    "...Quiets that 6 speed trans down & makes finding neutral extremely easy. Like the idea of different colored oils , in case of any leaks...." Read more

    "...Treat your Tranny Right. Better Shifting. Major improvement in finding the elusive neutral gear...." Read more

    "...It quieted and smoothed out all shifts and makes neutral much easier to find...." Read more

    6 customers mention6 positive0 negative

    Customers like the clunking of the machine lubricant. They say it shifts smooth and there is no more rattle into first gear. They also mention that the shifting runs cooler and turns bang into click.

    "...Now 250 miles later it shifts smooth and no clunking." Read more

    "No clunking, no whining, smooth shifting -far better than normal gear oil of 20W50 Synthetic. It is very thick. Good product...." Read more

    "...Shifts are now very positive (No clunking) and smooth. This stuff sticks to everything inside the case and gives superior protection...." Read more

    "No more”clunking in first gear!”" Read more

    5 customers mention5 positive0 negative

    Customers are satisfied with the cooler. They mention that it is durable, runs cooler, and shifts smoother. Customers also appreciate that the Red Line oil deals with heat well.

    "...It'll make your transmission run smoother, cooler, and quieter...." Read more

    "...I've never had problems since and the Red Line oil deals with heat well enough to last more than one race! I'm extremely pleased with it...." Read more

    "...My transmissions run cooler and it minimizes the Harley "clunk" when shifting gears...." Read more

    "...Quality product, very durable, runs cooler and shifts smoother." Read more

    4 customers mention4 positive0 negative

    Customers are satisfied with the protection provided by the lubricant. They mention that it provides a high level of protection.

    "...oil is so thick that it coated the gears and bearings and protected them from damage. If this would of been any normal oil...." Read more

    "...The Red Line Heavyweight oil gives you industrial level protection but flows like a lighter oil...." Read more

    "This stuff looks like Pepto-Bismol but definitely provides a high level of protection...." Read more

    "...This stuff sticks to everything inside the case and gives superior protection. Much, much better than ANY product I've tried. I'm hooked...." Read more

    22 customers mention15 positive7 negative

    Customers are mixed about the value of the machine lubricant. Some mention that it's a great product and worth the price, while others say that it is somewhat pricey.

    "...It'll make your transmission run smoother, cooler, and quieter. Well worth it, don't bother with other gear oil and definitely do not run Syn-3 in..." Read more

    "...is good going on a 4000 mile trip will update when get back Great price" Read more

    "Great product. Notably quieted and smoother shiftng. Expensive though." Read more

    "...All in all a very worthwhile purchase." Read more

    Excellent product!
    5 Stars
    Excellent product!
    A noticeable difference in how loud the transmission is. This is good stuff! Although, I would highly recommend that you let your bike warm up on cold days for at least a few minutes (which you should be doing anyway). A pal has 200,000 plus miles on his Harley and swears by this stuff. I’ll trust his judgment since his bike has the miles to prove it.
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    Top reviews from the United States

    Reviewed in the United States on September 11, 2023
    Size: 1 Quart (32 Ounces)Verified Purchase
    4 people found this helpful
    Report
    Reviewed in the United States on October 15, 2023
    Size: 1 Quart (32 Ounces)Verified Purchase
    Reviewed in the United States on February 18, 2024
    Size: 1 Quart (32 Ounces)Verified Purchase
    Reviewed in the United States on March 8, 2024
    Size: 1 Quart (32 Ounces)Verified Purchase
    Reviewed in the United States on November 1, 2016
    Size: 1 Quart (32 Ounces)Verified Purchase
    One person found this helpful
    Report
    Reviewed in the United States on March 28, 2023
    Size: 1 Quart (32 Ounces)Verified Purchase
    Reviewed in the United States on June 3, 2021
    Size: 1 Quart (32 Ounces)Verified Purchase
    4 people found this helpful
    Report
    Reviewed in the United States on October 2, 2023
    Size: 1 Quart (32 Ounces)Verified Purchase

    Top reviews from other countries

    Translate all reviews to English
    Paul
    5.0 out of 5 stars Redline HeavyShockproof rocks
    Reviewed in Canada on October 28, 2023
    Size: 1 Quart (32 Ounces)Verified Purchase
    nic
    5.0 out of 5 stars Olio veramente fantastico
    Reviewed in Italy on June 6, 2021
    Size: 1 Quart (32 Ounces)Verified Purchase
    One person found this helpful
    Report
    Slartty
    5.0 out of 5 stars Used all over the world where you need the best protection and maximum strength
    Reviewed in the United Kingdom on September 7, 2017
    Size: 1 Quart (32 Ounces)Verified Purchase
    One person found this helpful
    Report
    3000
    5.0 out of 5 stars Great product
    Reviewed in Australia on March 7, 2020
    Size: 1 Quart (32 Ounces)Verified Purchase
    Lee Mildenberger
    5.0 out of 5 stars Best trans fluid for transmission
    Reviewed in Canada on August 31, 2023
    Size: 1 Quart (32 Ounces)Verified Purchase