---
product_id: 19568371
title: "06300 75w90 Max Gear Oil Case, 6 Quart, 1 Pack"
brand: "royal purple"
price: "₩366638"
currency: KRW
in_stock: true
reviews_count: 9
category: "Royal Purple"
url: https://www.desertcart.kr/products/19568371-06300-75w90-max-gear-oil-case-6-quart-1-pack
store_origin: KR
region: South Korea
---

# Synerlec additive tech Max protection for heavy loads 75W-90 synthetic viscosity 06300 75w90 Max Gear Oil Case, 6 Quart, 1 Pack

**Brand:** royal purple
**Price:** ₩366638
**Availability:** ✅ In Stock

## Summary

> ⚙️ Drive smarter, not harder — gear up with Royal Purple Max Gear Oil!

## Quick Answers

- **What is this?** 06300 75w90 Max Gear Oil Case, 6 Quart, 1 Pack by royal purple
- **How much does it cost?** ₩366638 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/19568371-06300-75w90-max-gear-oil-case-6-quart-1-pack)

## Best For

- royal purple enthusiasts

## Why This Product

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

## Key Features

- • **All-in-One Formula:** Friction modifiers built-in—no need for extra additives, simplifying maintenance.
- • **Synerlec Additive Power:** Proprietary technology reduces friction and drag, boosting drivetrain efficiency and power.
- • **Unmatched Gear Protection:** Ultra-tough synthetic formula guards heavily loaded gears under extreme conditions.
- • **Cooler, Quieter, Longer-Lasting:** Keeps gears running smoother and cooler, extending component life and reducing noise.
- • **Soft Metal Safe & Synchronizer Friendly:** Non-corrosive to brass, bronze, copper, and safe for manual transmission synchronizers.

## Overview

Royal Purple 06300 Max Gear Oil is a premium 75W-90 synthetic hypoid gear oil designed for trucks, 4WDs, and marine lower gear units. Featuring proprietary Synerlec additive technology, it delivers superior protection, reduces friction and drag, and extends gear and bearing life while being safe on soft metals and synchronizers. Ideal for professionals demanding peak drivetrain performance and longevity.

## Description

Max gear is recommended for use in truck and automotive front or rear differentials, manual transmissions and lower gear units of marine engines that specify use of an api GL-5 or GL-4 fluid. It is non-corrosive to soft yellow metals (brass, bronze, copper, etc.) and synchronizer safe. Specially designed to extend gear and bearing life, max gear provides superior corrosion protection over competing conventional and synthetic gear oils.

Review: Gears love Royal Purple - Great product, would be nice in a squeeze bag for the hard to reach fill holes.
Review: Good value on great gear oil - The case of six Royal Purple gear oil quarts was perfect for changing the oil in my Chevy truck differentials. Good value on quality gear oil.

## Features

- Ultra-tough, high performance Automotive hypoid gear oil to provide maximum protection to heavily loaded gears while maximizing power throughout the drive train
- Max Gear outperforms ordinary gear oils by combining the highest quality synthetic oils with Royal Purple's proprietary Synerlec additive technology
- Makes gears run smoother, quieter, cooler and longer without overhauls
- A direct reduction of drag in the drive train has huge advantage for trucks and other 4-wheel drive vehicles
- Formulated with a friction modifier additive - no additional additives are necessary

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00TO65GFK |
| Best Sellers Rank | #59,294 in Automotive ( See Top 100 in Automotive ) #82 in Gear Oils |
| Brand | Royal Purple |
| Customer Reviews | 4.8 4.8 out of 5 stars (368) |
| Date First Available | January 1, 2012 |
| Item Form | Oil |
| Item Weight | 12.65 pounds |
| Item model number | 06300 |
| Liquid Volume | 192 Fluid Ounces |
| Manufacturer | Royal Purple |
| Manufacturer Part Number | 06300 |
| Material | Copper,Synthetic,Brass,Metals |
| Number of Items | 1 |
| OEM Part Number | 06300 |
| Package Information | Bottle |
| Product Dimensions | 10.9 x 7.3 x 12.6 inches |
| Recommended Uses For Product | auto racing |
| SAE J300 Viscosity Grade | 75W-90 |
| Specific Uses For Product | Vehicle |
| UPC | 641330263002 |
| Unit Count | 191.9284 Fluid Ounces |
| Upper Temperature Rating | 1 Kelvin |
| Viscosity | 75W90 |

## Product Details

- **Brand:** Royal Purple
- **Item Weight:** 12.7 Pounds
- **Liquid Volume:** 192 Fluid Ounces
- **Material:** Copper,Synthetic,Brass,Metals
- **Package Information:** Bottle

## Images

![06300 75w90 Max Gear Oil Case, 6 Quart, 1 Pack - Image 1](https://m.media-amazon.com/images/I/61En+exgy4L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Gears love Royal Purple
*by M***L on December 26, 2025*

Great product, would be nice in a squeeze bag for the hard to reach fill holes.

### ⭐⭐⭐⭐⭐ Good value on great gear oil
*by C***. on July 16, 2024*

The case of six Royal Purple gear oil quarts was perfect for changing the oil in my Chevy truck differentials. Good value on quality gear oil.

### ⭐⭐⭐⭐⭐ royal purple is the best
*by G***B on May 20, 2025*

royal purple makes great gear lube as well as the other oil products,I have seen big temperature drops in various gearbox when I use royal purple ,there anti-friction additives really work.

## Frequently Bought Together

- Royal Purple 06300 75w90 Max Gear Oil Case, 6 Quart, 1 Pack
- Slippery Pete 5cc Hand Pump Transfers Gear Oil, Transmission and Differential Fluids From Quart Bottles (Not for Red Line Quarts) (1)
- Royal Purple 01300 Max Gear 75W-90 High Performance Synthetic Automotive Gear Oil , 1 Quart (32 Ounces)

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**Shop now:** [https://www.desertcart.kr/products/19568371-06300-75w90-max-gear-oil-case-6-quart-1-pack](https://www.desertcart.kr/products/19568371-06300-75w90-max-gear-oil-case-6-quart-1-pack)

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*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-02-19*