---
product_id: 217491693
title: "75W-90 Semi Synthetic Gear Differential Oil GL-4 GL-5 5 Litre 5L"
brand: "smith & allan"
price: "774 zł"
currency: PLN
in_stock: true
reviews_count: 6
category: "Smith & Allan"
url: https://www.desertcart.pl/products/217491693-75w-90-semi-synthetic-gear-differential-oil-gl-4-gl
store_origin: PL
region: Poland
---

# Thermally stable up to 325°F 75W-90 viscosity for optimal gear protection Superior anti-wear & corrosion defense 75W-90 Semi Synthetic Gear Differential Oil GL-4 GL-5 5 Litre 5L

**Brand:** smith & allan
**Price:** 774 zł
**Availability:** ✅ In Stock

## Summary

> ⚙️ Drive with confidence, protect with power.

## Quick Answers

- **What is this?** 75W-90 Semi Synthetic Gear Differential Oil GL-4 GL-5 5 Litre 5L by smith & allan
- **How much does it cost?** 774 zł with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/217491693-75w-90-semi-synthetic-gear-differential-oil-gl-4-gl)

## Best For

- smith & allan enthusiasts

## Why This Product

- Trusted smith & allan brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **All-Weather Warrior:** Outstanding cold temperature performance keeps your gears smooth and responsive, no matter the climate.
- • **Foam-Free Operation:** Excellent foam control guarantees consistent lubrication and peak performance under heavy loads.
- • **Rust & Corrosion Shield:** Built-in inhibitors protect your differential and transfer case from damaging rust and corrosion over time.
- • **OEM-Approved Versatility:** Meets API GL-4, GL-5, and MT-1 standards—trusted by manufacturers for manual gearboxes, axles, and transaxles.
- • **Unmatched Gearbox Longevity:** Advanced semi-synthetic formula ensures extreme pressure and anti-wear protection for your drivetrain’s toughest demands.

## Overview

Smith & Allan 75W-90 Semi Synthetic Gear Oil is a premium 5L lubricant engineered for high-performance gearboxes and differentials. Combining synthetic and refined mineral bases with advanced additives, it delivers exceptional anti-wear, oxidation resistance, thermal stability up to 325°F, and superior protection against rust and corrosion. Ideal for manual transmissions and heavily loaded axles, it meets API GL-4, GL-5, and MT-1 standards, ensuring reliable, all-weather drivetrain performance.

## Description

Geartech SS 75W-90 is a high performance semi-synthetic automotive gear lubricant, designed for use in gearboxes, drive axles and other transmission systems. The product is formulated using high premium synthetic and highly refined mineral base stocks, with the incorporation of and advanced additive system. Geartech SS 75W-90 exhibits excellent extreme pressure and anti-wear performance and is both oxidative and thermally stable. The product also delivers protection from rust and corrosion, outstanding cold temperature performance, is shear stable and offers excellent control over foaming. Geartech SS 75W-90 is recommended for use in manual gearboxes, transfer boxes, transaxles, heavily loaded axle drives and other transmission equipment, where the original equipment manufacturer recommends a lubricant of this quality, performance level and viscosity. API GL-4, GL-5, MT-1

Review: Have used this for years good value for money. - Use this for diff and transfer case which I change regularly seems good and stable.
Review: Oil - Very pleased with this oil quick delivery and package well recommend to anyone looking for this type of oil good price

## Features

- Excellent anti-wear characteristics
- Resistant to oxidation
- Thermally stable
- Excellent foam control
- Protection from rust and corrosion
- Outstanding cold temperature performance
- Grade rationalisation potential

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00FGRC992 |
| Best Sellers Rank | 30,069 in Automotive ( See Top 100 in Automotive ) 66 in Gear Oils |
| Brand | Smith & Allan |
| Brand Name | Smith & Allan |
| Container Type | Drum |
| Customer Reviews | 4.3 out of 5 stars 35 Reviews |
| Item Form | Oil |
| Item Weight | 5 Kilograms |
| Item weight | 5 Kilograms |
| Liquid Volume | 5 Litres |
| Liquid volume | 5 Litres |
| Manufacturer | Smith & Allan |
| Material | Plastic |
| Package information | Drum |
| Recommended Uses For Product | Gear Oil |
| Recommended uses for product | Gear Oil |
| Specific Uses For Product | Corrosion,Protection From Rust,Protection From Rust And Corrosion |
| Unit Count | 5000.0 millilitre |
| Upper Temperature Rating | 325 Degrees Fahrenheit |
| Viscosity | 75W-90 |

## Product Details

- **Material:** Plastic
- **Brand:** Smith & Allan
- **Package information:** Drum
- **Liquid volume:** 5 Litres
- **Item weight:** 5 Kilograms

## Images

![75W-90 Semi Synthetic Gear Differential Oil GL-4 GL-5 5 Litre 5L - Image 1](https://m.media-amazon.com/images/I/71FzJv9yWUL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Have used this for years good value for money.
*by B***Y on 17 September 2024*

Use this for diff and transfer case which I change regularly seems good and stable.

### ⭐⭐⭐⭐⭐ Oil
*by I***T on 10 June 2023*

Very pleased with this oil quick delivery and package well recommend to anyone looking for this type of oil good price

### ⭐ Contaminated Oil
*by A***R on 3 January 2026*

Product was heavily contaminated with water - totally unusable. Beware

## Frequently Bought Together

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*Product available on Desertcart Poland*
*Store origin: PL*
*Last updated: 2026-01-30*