---
product_id: 652320860
title: "Red Line 50105 75W85 GL-5 Full Synthetic Gear Oil For Hypoid Limited Slip Differentials - 1 Gallon"
brand: "red line"
price: "A$417"
currency: AUD
in_stock: true
reviews_count: 5
category: "Red Line"
url: https://www.desertcart.com.au/products/652320860-red-line-50105-75w85-gl-5-full-synthetic-gear-oil
store_origin: AU
region: Australia
---

# 75W85 viscosity for optimal gear protection Friction modifiers tailored for limited slip differentials Full synthetic formula for extreme temperature stability Red Line 50105 75W85 GL-5 Full Synthetic Gear Oil For Hypoid Limited Slip Differentials - 1 Gallon

**Brand:** red line
**Price:** A$417
**Availability:** ✅ In Stock

## Summary

> ⚙️ Shift into the future with Red Line’s synthetic edge!

## Quick Answers

- **What is this?** Red Line 50105 75W85 GL-5 Full Synthetic Gear Oil For Hypoid Limited Slip Differentials - 1 Gallon by red line
- **How much does it cost?** A$417 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/products/652320860-red-line-50105-75w85-gl-5-full-synthetic-gear-oil)

## Best For

- red line enthusiasts

## Why This Product

- Trusted red line brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Advanced Synthetic Base:** Crafted with premium ester base stocks for unmatched thermal stability and superior film strength.
- • **Proven Motorsport Pedigree:** Trusted by top-tier racing teams and late-model luxury vehicles for peak drivetrain efficiency and protection.
- • **Precision Viscosity Control:** Engineered SAE 75W85 viscosity ensures smooth, reliable gear performance under all driving conditions.
- • **Legacy of Excellence Since 1979:** Red Line’s decades of innovation guarantee uncompromising quality and performance for your vehicle.
- • **LSD-Optimized Friction Modifiers:** Includes specialized additives to enhance clutch-type limited slip differential operation without extra treatments.

## Overview

Red Line 50105 is a 1-gallon, full synthetic 75W85 GL-5 gear oil designed specifically for hypoid limited slip differentials. It delivers superior thermal stability and film strength through advanced ester base stocks and includes friction modifiers optimized for clutch-type LSDs. Widely trusted by performance enthusiasts and OEMs alike, this gear oil ensures smooth shifting, enhanced protection, and peak drivetrain efficiency across a broad range of vehicles and racing applications.

## Description

Since 1979, Red Line Synthetic Oil has grown to manufacture more than 100 quality products, including motor oils, gear oils, assembly lubes, fuel additives, and its popular Water Wetter cooling additive for the automotive, motorcycle, marine, and industrial markets. Red Line has a reputation with racers and enthusiasts alike for creating products that perform and protect better than any on the market, regardless of price. The company brings a knowledge of available technologies and responds to technical challenges, satisfying the high demands of the performance industry. Red Line's employees are enthusiasts that stay on top of each racing and performance niche, ensuring that product recommendations allow customers make the significant performance gains. Red Line formulates fully-synthetic oils and chemically-advanced additives using the world's finest base stocks. Rather than cutting costs by blending in petroleum products, Red Line's motor oils and gear oils use superior ester base stocks that provide extreme stability at high temperatures and superior film strength at lower viscosities where more power can be produced.

Review: Good gear oil
Review: Fast Dilivery Quality Product

## Features

- SATISFIES REQUIREMENTS - for gear oil viscosity of SAE 75W80, 75W, 80W and 85W, as well as SAE 30 and SAE 10W30 motor oil
- APPLICATIONS - include differential oil, final drive oil, gear oil and transfer case fluid, this product is not designed for use in most manual transmissions or transaxles with synchronizers, as extreme slipperiness may cause shifting problems
- CONTAINS - additional friction modifiers for suitability with clutch-type limited slip differentials - for most LSDs, no additional friction modifiers are required, known formerly as LightWeight Gear Oil
- POPULAR GEAR OIL FOR - in many late model BMW, Dodge, Ford, GM, Jeep, Lexus, Mercedes-Benz, Ram, Toyota, also popular in many Formula racing transaxles, including Hewland LD-200 and FTR sequential
- WHY RED LINE - Established in 1979, Red Line Products perform & protect better than any on the market. No compromises

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01N6GS5HV |
| Brand | Red Line |
| Brand Name | Red Line |
| Container Type | Jug |
| Customer Reviews | 4.8 out of 5 stars 242 Reviews |
| Included Components | 75W85 GL-5 Gear Oil - 1 gallon |
| Item Form | Oil |
| Item Type Name | 75W85 GL-5 Gear Oil - 1 gallon |
| Item Weight | 3.18 kg |
| Item weight | 3.18 kg |
| Liquid Volume | 128 Fluid Ounces |
| Liquid volume | 128 Fluid Ounces |
| Manufacturer | Red Line |
| Material | Synthetic |
| Package information | Jug |
| Recommended Uses For Product | Marine |
| Recommended uses for product | Marine |
| Specific Uses For Product | Differential oil, final drive oil, gear oil, transfer case fluid, clutch-type limited slip differentials |
| UPC | 083522501057 |
| Unit Count | 128 Fluid Ounces |
| Viscosity | 75W85 |

## Product Details

- **Brand:** Red Line
- **Item weight:** 7 Pounds
- **Liquid volume:** 128 Fluid Ounces
- **Material:** Synthetic
- **Package information:** Jug

## Images

![Red Line 50105 75W85 GL-5 Full Synthetic Gear Oil For Hypoid Limited Slip Differentials - 1 Gallon - Image 1](https://m.media-amazon.com/images/I/810kzmDhzoL.jpg)

## Available Options

This product comes in different **Color, Size** options.

## Questions & Answers

**Q: Does this work with my 2020 Toyota Landcruiser?**
A: Instead of these “check your manual” reply’s most Toyota difs use the 75w85 GL-5 for limited slip difs my 2020 4runner uses it. I’d say your good with using this fluid. By using other sources I found out but quantity wise I can’t exactly tell you since all difs take different amounts

**Q: Is this product compatible with a 2012 toyota 4 runner? red line page indicates this is the right one but amazon indicates is 75w90.**
A: Always consult with your vehicle owners manual mine states 75W85 for front and rear. 1.6qts for the front and 2.8 for the rear with rear locker. The transfer case requires special Toyota only 75W fluid.

**Q: Is this ok for 2016 rx350 transfer case and rear diff?**
A: It’s a synthetic oil but check your manual for proper weight required

**Q: Trying to figure this out - my ls460 calls for "lx" 75w-85 gl5 for transfer case and rear diff but "lt" 75w-85 for front diff.  what's the deal?**
A: Go ta an appropriate forum for help

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good gear oil
*by J***Y on 17 November 2025*



### ⭐⭐⭐⭐⭐ Fast Dilivery Quality Product
*by L***X on 24 September 2024*



### ⭐⭐⭐⭐⭐ Very good value for the money.
*by R***D on 2 October 2024*



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*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-03-01*