---
product_id: 25054310
title: "20139 0W-20 Full Synthetic Motor Oil, 5 Quart"
brand: "mag 1"
price: "92621 Ft"
currency: HUF
in_stock: true
reviews_count: 8
category: "Mag 1"
url: https://www.desertcart.hu/products/25054310-20139-0w-20-full-synthetic-motor-oil-5-quart
store_origin: HU
region: Hungary
---

# High-temp oxidation resistance 65% performance boost Superior cold start protection 20139 0W-20 Full Synthetic Motor Oil, 5 Quart

**Brand:** mag 1
**Price:** 92621 Ft
**Availability:** ✅ In Stock

## Summary

> ⚙️ Drive smarter, not harder — unleash peak engine power with MAG 1!

## Quick Answers

- **What is this?** 20139 0W-20 Full Synthetic Motor Oil, 5 Quart by mag 1
- **How much does it cost?** 92621 Ft with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hu](https://www.desertcart.hu/products/25054310-20139-0w-20-full-synthetic-motor-oil-5-quart)

## Best For

- mag 1 enthusiasts

## Why This Product

- Trusted mag 1 brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Sludge? Nearly Zero:** Proprietary additives reduce engine sludge to almost nothing, keeping your engine pristine.
- • **Global Warranty Ready:** Exceeds GM dexos1 specs worldwide—drive with confidence wherever you go.
- • **Cold Start? No Problem:** Exceptional viscosity index minimizes thickening, ensuring smooth startups in freezing temps.
- • **Engine Armor at Its Finest:** Full synthetic base stocks engineered to slash engine wear even under GM’s toughest tests.
- • **Performance Beyond Industry Standards:** Outperforms requirements by 65%, delivering next-level engine efficiency and longevity.

## Overview

MAG 1 20139 0W-20 Full Synthetic Motor Oil is a premium, fully synthetic motor oil designed to exceed GM dexos1 specifications by 65%. It offers exceptional engine protection by preventing wear, reducing sludge to near zero, and maintaining optimal viscosity even in subzero temperatures. Ideal for professional-grade engine care, it supports worldwide warranty requirements and ensures superior performance under the most severe conditions.

## Description

MAG 1 Full Synthetic Motor Oils with FMX are state of the art, advanced technology, synthetic motor oils which provide the highest level of engine protection available, even under the most severe operating conditions. The 100 percent synthetic base oils in MAG 1 provide exceptional resistance to high temperature oxidation thickening. Our proprietary additives prevent sludge formation commonly caused by the moisture and combustion by-products. Exceptionally high viscosity indices minimize cold weather oil thickening, which greatly reduces battery drain and engine wear, even at subzero start ups.

Review: Great deal when it is $20 - Update 04/15/2018: It has been 6 months since the last oil change. I have to report that my cx-5 runs a little rough on this oil. The average mpg is down, and the engine sounds louder. I don't doubt that the oil does an adequate job of protecting the engine. However, by switching to another brand of 0w-20, which is priced similarly, my car sounds a lot quieter. Original review: Used this in a new-to-me Mazda CX-5 with 38K miles. It might be me reading (listening) into it too much, but I think the engine sounds better after the oil change. Under hard acceleration on an on-ramp, the engine no longer makes a faint squealing sound that it did before. Even if this is purely my imagination, it should be at least as good as other synthetic oils. The price is competitive - I got it when it was $20.
Review: An improvement over other brands and grades. - My 1995 Honda Civic Si I just finished fully restoring has recently started running this. It hit 200k miles and I decided to try the ultra thin synthetic since I had finally finished changing every gasket in the engine, so it did not leak even the slightest. It made my engine go from a cold start high idol of about a minute, to about fifteen seconds. You can hear the irregular sound of the valves stop at fifteen seconds and watch the RPM drop to 1000. I was using 5w-30 full synthetic before to not leak too fast. The new distributor and ignition with this is like a push button start. It feels more powerful in third, forth and fifth gear. I used to be at 3000 rpm to cruise at 70, now it is 27500 RPM. Make sure to use a high performance oil filter made for full synthetic. Let that oil circulate.

## Features

- MAG 1 dexos1 is formulated with full synthetic base stocks
- MAG 1 dexos1 is formulated to prevent engine wear. Even in the most severe GM tests
- MAG 1 dexos1 chemistry significantly outperforms the industry requirement, reducing engine sludge to near zero
- Exceeds GM dexos1 specifications for world wide warranty requirements for all GM automotive gasoline engines currently in use
- MAG1 dexos1 exceeds the performance limits by 65percent

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0171XLTXA |
| Automotive Fit Type | Universal Fit |
| Best Sellers Rank | #2,062,155 in Automotive ( See Top 100 in Automotive ) #3,904 in Motor Oils |
| Brand | Mag 1 |
| Customer Reviews | 4.8 4.8 out of 5 stars (105) |
| Date First Available | October 23, 2015 |
| Global Trade Identification Number | 00071621658284 |
| Item Weight | 9.18 pounds |
| Item model number | 65828 |
| Manufacturer | MAG 1 |
| Manufacturer Part Number | 20139 |
| Model | 20139 |
| Package Dimensions | 12.48 x 7.8 x 4.33 inches |
| SAE J300 Viscosity Grade | 0W-20 |
| Size | 5 quart |
| UPC | 071621658284 |
| Vehicle Service Type | Car |
| Viscosity | 0W-20 SAE Grade |

## Product Details

- **Brand:** Mag 1
- **Liquid Volume:** 160 Fluid Ounces
- **Package Information:** Bottle
- **Vehicle Service Type:** Car
- **Viscosity:** 0W-20 SAE Grade

## Images

![20139 0W-20 Full Synthetic Motor Oil, 5 Quart - Image 1](https://m.media-amazon.com/images/I/81tP1dawpSL.jpg)

## Questions & Answers

**Q: How does it come in the mail?  Does it ever leak when delivered?**
A: Never leaked on me

**Q: Is there any different between warren's "mag1" branded oils and the oil they sell under the amazon basics brand? even the bottle look identical.**
A: I've been using the Amazon Mag 1 in a 2012 Civic since new with no problems. 166000 miles on it now.

**Q: Is it okay to mix this with mag1 61794 full synthetic 0w-20 (non-dexos)? i ask because i accidentally just mixed them in a new 4runner.**
A: I don't know what 61794 is but it's the same weight so I don't think it's a problem. Remember that almost all "synthetic" or 'Full synthetic" oils are really not the synthetic oils that were made before 1997. Before 1997, all synthetic oils had a Polyol-ester base (real synthetic". Then Castrol came out with SynTec which is just a hydro-cracked Dino-oil with no synthetic base. So now we have two kinds of syn oil - SAE Group 3 which is 99% of Syn oil and sells for $5-6 a quart and "real" syn oil which is Group 4 and has a syn base. If you want the $10 a quart real syn oil, you need to find AMSOIL, Redline or Royal Purple which are the only Group 4 syns around. Personally, I use Mag 1 even though it's a Group 3 and change it every 5k in my 3 Priuses.Now you know more than an oil company rep knows and things that almost all the oil companies will not talk about. Don't bother calling them. Only the tech boys at Amalie have admitted all there oil is Group 3. The tech reps at the other oil companies either don't know or won't tell you.

**Q: Is Mag1 0w-20 compatible to Prius C? Or Could I use this Motor oil on 2012 Prius C?????**
A: I use it on a 2012 toyota camry v6 that calls for 0w-20.  I wouldnt use it on any vehicle that doesnt call for 0w-20 oil but if it does it should be fine.  Check your owners manual. This oil is just fine for me.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great deal when it is $20
*by T***. on November 5, 2017*

Update 04/15/2018: It has been 6 months since the last oil change. I have to report that my cx-5 runs a little rough on this oil. The average mpg is down, and the engine sounds louder. I don't doubt that the oil does an adequate job of protecting the engine. However, by switching to another brand of 0w-20, which is priced similarly, my car sounds a lot quieter. Original review: Used this in a new-to-me Mazda CX-5 with 38K miles. It might be me reading (listening) into it too much, but I think the engine sounds better after the oil change. Under hard acceleration on an on-ramp, the engine no longer makes a faint squealing sound that it did before. Even if this is purely my imagination, it should be at least as good as other synthetic oils. The price is competitive - I got it when it was $20.

### ⭐⭐⭐⭐⭐ An improvement over other brands and grades.
*by J***Y on December 2, 2016*

My 1995 Honda Civic Si I just finished fully restoring has recently started running this. It hit 200k miles and I decided to try the ultra thin synthetic since I had finally finished changing every gasket in the engine, so it did not leak even the slightest. It made my engine go from a cold start high idol of about a minute, to about fifteen seconds. You can hear the irregular sound of the valves stop at fifteen seconds and watch the RPM drop to 1000. I was using 5w-30 full synthetic before to not leak too fast. The new distributor and ignition with this is like a push button start. It feels more powerful in third, forth and fifth gear. I used to be at 3000 rpm to cruise at 70, now it is 27500 RPM. Make sure to use a high performance oil filter made for full synthetic. Let that oil circulate.

### ⭐⭐⭐⭐ I put the test to my car about 7000 miles ...
*by G***O on June 7, 2018*

I put the test to my car about 7000 miles. When I changed oil of my car, I saw some metal from the engine, which mean that this just ok. This is my opinion

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*Product available on Desertcart Hungary*
*Store origin: HU*
*Last updated: 2026-03-07*