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Description
80w140 gear oil Red Line 80W140 GL-5 Gear Oil (58104-1)An old school viscosity that still out protects the competition. Popular in racing differentials and transmissions. Price is for a 1 quart bottle. Please adjust quantity as needed. Fluids ship to the lower 48 United States only. Includes: (1) 1 Quart Bottle Recommended for API GL 5, GL 6, MT 1, MIL L 2105E and SAE J2360 Contains additional friction modifiers for suitability with clutch type limited slip differentials for most LSDs, no additional
An old-school viscosity that still out-protects the competition. Popular in racing differentials and transmissions. Price is for a 1 quart bottle. Please adjust quantity as needed. Fluids ship to the lower 48 United States only.Includes:
(1) 1 Quart Bottle
- Recommended for API GL-5, GL-6, MT-1, MIL-L-2105E and SAE J2360
- 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 manual transmission or transaxles with synchronizers, as its slipperiness may lead to shifting problems
- Popular in stock car racing differentials and transmissions
- Fully-synthetic formulas created from polyol ester base stocks, offer excellent lubrication under extreme conditions
- High viscosity-index (VI) to provide relatively constant viscosity and film thickness with varying temperature change
- Ester base stocks and friction modifiers provide additional slipperiness to lower operating temperatures by reducing the sliding friction in hypoid gears
- 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
Suitable Replacement For:
API GL-5 & MT-1MIL-L-2105E
SAE J2360
Typical Properties:
| API Service Class | GL 5+ |
| SAE Viscosity Grade (Gear Oil) | 80W140 |
| Vis @ 100°C, CSt | 26 |
| Vis @ 40°C, CSt | 227 |
| Viscosity Index | 146 |
| Pour Point, °C | -40 |
| Pour Point, °F | -40 |
| Brookfield Viscosity @ -26°C, Poise | 500 |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.1 ★★★★★
Based on 5 reviews
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Product Reviews
★★★★★ 5
Good Toothbrush for cats
The toothbrush works great! My cat actually enjoys getting his teeth brush. Probably doesn't hurt that he gets a treat each time we brush his teeth. His gums look good and teeth are white!
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Reviewed in the United States on April 28, 2026
★★★★★ 5
Must have for pets dental care!
These toothbrushes are perfect! My kitten had gingivitis and the vet said I could brush her teeth with a normal toothbrush but I’m so glad I got these instead! As you can see in the video the bristles go all the way around so I basically just put it in her mouth and she does most of the work for me! I also appreciate it’s small, she’s a tiny kitten so it’s perfect for her. These are a must if you need to brush your pets teeth. See the video for yourself! It’s a no brainer!
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Reviewed in the United States on February 12, 2026
★★★★★ 3
Good size brush-suction isn't great
The brush itself is a good size and I like that it is round so it's easy to brush. I wasn't as lucky as others to get my cat to start chewing on their own so it will be a process to get my cat used to it. For the brushes itself, it's a good deal for the price. The suction holder doesn't work well at all and only holds some of the time.
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Reviewed in the United States on November 21, 2024
★★★★★ 5
Helps my cat brush his teeth
I’ve now purchased these twice for my sweet boy. He loves to brush his teeth with these! They aren’t as durable as I’d like, but also my boy is a super chomper. I wish they were just a bit cheaper!
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Reviewed in the United States on April 24, 2026
★★★★★ 5
Works great on removing food particles from your cats teeth, especially when they bite down on it!
My kitten wanted no part of me, brushing his teeth. In fact, I tried to use a feline soft toothbrush, and I ended up making his little gum on his main fang bleed, I felt horrible about it! So when I discovered these and saw how soft they are, I bought these! My kitten started biting it right away and now loves his new ritual, biting on it and letting me gently rub along his gums, it actually grabs food particles when he bites down on it! He seems to loves the feeling of it, as I brushed his teeth, at at 3-5 times a week with it. He has become really good about letting me use it. He does loves when I also rub it along his jaw/gum area as it stimulates those nerve feel-good nerve endings. A winner with my boy Otis!🐾💕
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Reviewed in the United States on March 18, 2026