Red Line 75W90 Synthetic Gear Oil

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Red Line Synthetic Gear Oil is 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.

Features

High viscosity-index (VI) to provide relatively constant viscosity and film thickness with varying temperature change
Fully-synthetic formulas created from polyol ester base stocks, offer excellent lubrication under extreme conditions
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
Ester base stocks and friction modifiers (except NS) provide additional slipperiness to lower operating temperatures by reducing the sliding friction in hypoid gears

QTY

🔒45-Day Returns
4.9/5 Rating
📞Expert Support
🛡️Warranty Assistance*
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What's Included:
- 1 Quart (946 mL) of Red Line 75W90 Synthetic Gear Oil

Technical Specifications:
- Viscosity Grade: 75W90
- Meets or Exceeds API GL-5 Standards
- Excellent Thermal and Oxidation Stability
- Superior Film Strength to Minimize Wear
- Compatible with Most Light Trucks, SUVs, and 4x4 Vehicles

Installation Notes:
Ensure all old gear oil is thoroughly drained before refilling with Red Line 75W90 Synthetic Gear Oil. Follow your vehicle manufacturer's specifications for proper oil quantity and intervals.

Dimensions:
- Bottle Size: 1 Quart (946 mL)

Part Number: red57904

Prop 65 WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

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Returns

We accept returns within 45 days for any reason. Simply reach out, let us know and we will get a shipping label over to you. If your item was freighted please contact us for arranging pickup freight. There may be return freight fees for returned freight items.

Warranty

We warranty products manufactured by us for the life of the product against defects and failures. This warranty covers the functional integrity of the product under off-road use conditions.

We take pride in our Trail Tested regimen for all brands we partner with. Because of this we have confidence in the quality and warranties our partners provide. For products not manufactured by Bushmaster 4x4, we work with the manufacturer to take care of the warranty replacement for you. Just send an email to orders@bushmaster4x4.com to get the process started.
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1. Expert Support After Purchase

We're here to assist with product installation and any issues that may arise after your purchase-ensuring a smooth experience from start to finish.

2. Warranty & Replacement Assistance

We carefully inspect every product before it leaves our facility to ensure quality and accuracy. However, in the rare event a product is defective or develops an issue, we'll help facilitate a replacement either directly through us or with the manufacturer.

3. Proven, Tested Products

Every solution we offer has been rigorously tested on our own shop vehicles. You can trust that you're receiving components that are trail-proven and reliable.

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