---
product_id: 73185757
title: "SAE 50W Full Synthetic Transmission Oil – 5 Gallon Pail – Heavy Duty Gear Oil for Manual Transmissions – Long Drain, High Temp, Oxidation Resistant"
brand: "starfire"
price: "73048 kr"
currency: ISK
in_stock: true
reviews_count: 8
category: "Starfire"
url: https://www.desertcart.is/products/73185757-sae-50w-full-synthetic-transmission-oil-5-gallon-pail-heavy
store_origin: IS
region: Iceland
---

# Long drain intervals High-temp resilience Advanced anti-wear formula SAE 50W Full Synthetic Transmission Oil – 5 Gallon Pail – Heavy Duty Gear Oil for Manual Transmissions – Long Drain, High Temp, Oxidation Resistant

**Brand:** starfire
**Price:** 73048 kr
**Availability:** ✅ In Stock

## Summary

> ⚙️ Keep your gears running cooler, longer, and stronger — don’t get left behind!

## Quick Answers

- **What is this?** SAE 50W Full Synthetic Transmission Oil – 5 Gallon Pail – Heavy Duty Gear Oil for Manual Transmissions – Long Drain, High Temp, Oxidation Resistant by starfire
- **How much does it cost?** 73048 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.is](https://www.desertcart.is/products/73185757-sae-50w-full-synthetic-transmission-oil-5-gallon-pail-heavy)

## Best For

- starfire enthusiasts

## Why This Product

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

## Key Features

- • **Extended Drain Intervals:** Oxidation-resistant formula means fewer oil changes and lower maintenance costs.
- • **Full Synthetic Efficiency:** Reduces friction to deliver smoother shifting and improved fuel economy in manual transmissions.
- • **Trusted Industry Standard:** Meets or exceeds API MT-1 and OEM specs, favored by fleet managers and mechanics alike.
- • **Engineered for Extreme Heat:** Withstands intense temperatures for relentless performance on long hauls and heavy loads.
- • **Superior Wear & Foam Control:** Protects critical components with advanced additives for lasting durability under pressure.

## Overview

STARFIRE SAE 50W Full Synthetic Transmission Oil is a heavy-duty gear oil designed for manual transmissions operating under extreme heat and heavy loads. Its advanced synthetic formula reduces friction, extends drain intervals, and protects against wear and oxidation, meeting top industry standards like API MT-1. Ideal for fleet operators and professionals seeking reliable, long-lasting transmission performance.

## Description

Buy STARFIRE SAE 50W Full Synthetic Transmission Oil – 5 Gallon Pail – Heavy Duty Gear Oil for Manual Transmissions – Long Drain, High Temp, Oxidation Resistant: Transmission Fluids - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: Great product - Fast delivery you can see it he quality right off hand
Review: Great Deal - Called the local shop in town and for the same oil it costs over $600 so this is an amazing deal! I highly recommend this product. Does the job for fraction of the local prices.

## Features

- ENGINEERED FOR EXTREME TEMPERATURES – Built for high-heat, high-load environments, this SAE 50W synthetic oil resists thermal breakdown, making it ideal for long hauls, towing, and demanding fleet operations.
- FULL SYNTHETIC FOR MAXIMUM EFFICIENCY – Advanced synthetic formula reduces internal friction, supports smoother shifting, and helps improve fuel economy and supports smoother shifting in heavy-duty manual transmissions.
- LONG DRAIN INTERVAL PERFORMANCE – Designed to extend service life, this transmission oil offers excellent oxidation resistance and thermal stability for fewer oil changes and lower maintenance costs.
- ADVANCED WEAR & FOAM CONTROL – Anti-wear and anti-foam additives protect critical components, ensuring consistent lubrication and long-term durability under severe operating conditions.
- MEETS API MT-1 & OEM SPECS – Formulated to meet or exceed API MT-1 and other OEM performance standards—trusted by fleet managers, mechanics, and operators in both on-highway and off-highway equipment.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01J8HR1CK |
| Best Sellers Rank | #87,777 in Automotive ( See Top 100 in Automotive ) #174 in Transmission Fluids |
| Brand | STARFIRE |
| Brand Name | STARFIRE |
| Container Type | Pail |
| Customer Reviews | 4.5 out of 5 stars 190 Reviews |
| Item Form | Oil |
| Item Height | 9.5 inches |
| Liquid Volume | 5 Gallons |
| Manufacturer | StarFire Premium Lubricants |
| Material | Synthetic |
| Package Information | Pail |
| Recommended Uses For Product | • API MT-1 • Eaton PS-164 Rev 7 • Navistar/International TMS 6816 • Mack TO-A Plus • MERITOR® O-81 (Publication TP-90014) • ZF Freedomline Recommended Uses For Product • API MT-1 • Eaton PS-164 Rev 7 • Navistar/International TMS 6816 • Mack TO-A Plus • MERITOR® O-81 (Publication TP-90014) • ZF Freedomline See more |
| UPC | 810029022057 |
| Unit Count | 640.0 Fluid Ounces |
| Viscosity | 50W |

## Product Details

- **Material:** Synthetic Oils
- **Brand:** STARFIRE
- **Package Information:** Pail
- **Liquid Volume:** 5 Gallons
- **Recommended Uses For Product:** (function(f) {var _np=(window.P._namespace("DetailPageProductOverviewTemplatesJava"));if(_np.guardFatal){_np.guardFatal(f)(_np);}else{f(_np);}}(function(P) {
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}));  • API MT-1 • Eaton PS-164 Rev 7 • Navistar/International TMS 6816 • Mack TO-A Plus • MERITOR® O-81 (Publication TP-90014) • ZF Freedomline• API MT-1 • Eaton PS-164 Rev 7 • Navistar/International TMS 6816 • Mack TO-A Plus • MER…    See more

## Images

![SAE 50W Full Synthetic Transmission Oil – 5 Gallon Pail – Heavy Duty Gear Oil for Manual Transmissions – Long Drain, High Temp, Oxidation Resistant - Image 1](https://m.media-amazon.com/images/I/819B9a62SuL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great product
*by A***O on September 27, 2025*

Fast delivery you can see it he quality right off hand

### ⭐⭐⭐⭐⭐ Great Deal
*by A***A on March 31, 2025*

Called the local shop in town and for the same oil it costs over $600 so this is an amazing deal! I highly recommend this product. Does the job for fraction of the local prices.

### ⭐⭐⭐⭐⭐ Good oil.
*by T***N on July 27, 2025*

I put it in my 1992 international 6 speed manual. Shifts good

## Frequently Bought Together

- StarFire Premium Lubricants Full Synthetic Transmission Oil SAE 50W, 5 gal Pail
- StarFire Full Synthetic 75W90 Gear Lubricant GL-5, 5-Gallon Pail
- Performance Tool W54232 Lever-Action Bucket Pump for 5 Gallon Pails, Black

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**Shop now:** [https://www.desertcart.is/products/73185757-sae-50w-full-synthetic-transmission-oil-5-gallon-pail-heavy](https://www.desertcart.is/products/73185757-sae-50w-full-synthetic-transmission-oil-5-gallon-pail-heavy)

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*Product available on Desertcart Iceland*
*Store origin: IS*
*Last updated: 2026-02-19*