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Ships within 48 hours · Estimated delivery Jul 18 - Jul 23
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Description
Red Line Synthetic Gear Oil 58304Red Line Gear Oils are designed to provide excellent low temperature characteristics and improved gear protection at higher temperatures. Red Line Gear Oils will reduce differential temperatures 10 to 70 Degree Fahrenheit. Efficiency improvements between 1 to 5 Percent are typical. The synthetic base stocks used have tremendous thermal stability and provide the best film strength available. The unique combination of base stocks and additives allow Red
Red Line Gear Oils are designed to provide excellent low temperature characteristics and improved gear protection at higher temperatures. Red Line Gear Oils will reduce differential temperatures 10 to 70 Degree Fahrenheit. Efficiency improvements between 1 to 5 Percent are typical. The synthetic base stocks used have tremendous thermal stability and provide the best film strength available. The unique combination of base stocks and additives allow Red Line gear oils to carry higher loads compared to petroleum lubricants. The stability of these products allow them to be used for extended periods. Red Line 75W90 Gear Oil provides excellent protection in nearly all differentials, conventional and limited slip, in both racing and street use. 75W90NS and 75W140NS can be used in certain limited slip units in racing to lock up the differential. 80W140 should be used in commercial hauling, problem limited slip units, racing applications which see tremendous torque at low speeds, and where noise deadening is desired. Lightweight or SuperLight can be used to obtain maximum power transfer in racing differentials which do not see extremely high temperatures. If "chattering" occurs with any of these lubricants, Red Line Limited Slip Friction Modifier can be used to eliminate the stick/slip action and reduce the noise. This additive should not be necessary in the 75W90, 75W140 or the 80W140 Gear Oils, since they already contain this additive, but in some units more is required. Too much friction modifier can reduce the lockup in limited slip units, so it should only be used if needed.
Viscosity Grade: SAE 75W-90 NS
Use: Manual Transmissions And Transducers
Type: Synthetic
API Rating: GL 5+
Unit Size: 1 Quart
Unit Type: Bottle
Features
- Appropriate Coefficient Of Friction For Most Manual Transmission Synchronizers
- Red Line Offers Lubricants To Pinpoint Nearly Every Transmission Application
- Excellent Gear And Synchro Protection, Balanced Slipperiness For Easier Shifting In Cold Climates
- Excellent For High And Low Mile Transmissions
- Compatible With Petroleum's And Other Synthetics
- Improved Copper Corrosion Protection To Prolong Synchro Life
- Helps With Lockup On Weak Limited Slip Differentials Compatible With Red Line Limited Slip Friction Modifier For Tuning Slippage
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
4.6 ★★★★★
Based on 7 reviews
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Product Reviews
★★★★★ 5
Our boat
Size: 50 Feet, Style: 10 AWG
A great cable run for our trolling motors
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Reviewed in the United States on December 25, 2025
★★★★★ 5
Great Stuff
Size: 50 Feet, Style: 10 AWG
Perfect for my boat!
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Reviewed in the United States on April 30, 2026
★★★★★ 5
Measure what you buy.
Size: 50 Feet, Style: 10 AWG
I love the product made my job easy on this last pontoon I worked on but the pontoons only 20 ft long and I only pulled wires halfway and I got less than 10 ft left there was not 50 ft on that spool. But now that I've cut it used it and are using it a little hard to complain, but the use of the application for the wire is 100%, thank you very much for the product.
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Reviewed in the United States on March 20, 2024
★★★★★ 4
Great value, but not overly flexible.
Size: 50 Feet, Style: 10 AWG
I used this wire to run power from my car's battery to a ham radio in my trunk, and an inverter under my driver seat. This wire fit the bill perfectly. It is water, oil resistant, and tinned (to resist corrosion). One challenge I ran into was its stiffness. Despite having many fine strands, the wire doesn't flex well. You can bend it, but wants to spring back and doesn't hold its shape. This made running the wire under the hood through the firewall, and along the door moulding... a LOT of work. I scraped a lot of knuckle in the process. Overall, I'd still recommend using it for automotive projects. It is a high quality wire. Just know that it's hard to manipulate though a lot of twists and turns.
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Reviewed in the United States on February 10, 2022
★★★★★ 5
Great Marine Wire!!
Size: 50 Feet, Style: 10 AWG
Great wire Love the insulation & black & white cabling. Great improvement on my sound quality as well!!
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Reviewed in the United States on July 2, 2025