---
product_id: 257815528
title: "CONCENTRTD REAR MAIN SEAL"
brand: "bar's leaks"
price: "€ 50.50"
currency: EUR
in_stock: true
reviews_count: 5
category: "Bar's Leaks"
url: https://www.desertcart.gr/products/257815528-concentrtd-rear-main-seal
store_origin: GR
region: Greece
---

# Seals rear main, cam, timing cover leaks Stops leaks within 100 miles/2 days 16.9 fl oz concentrated formula CONCENTRTD REAR MAIN SEAL

**Brand:** bar's leaks
**Price:** € 50.50
**Availability:** ✅ In Stock

## Summary

> 🛠️ Seal the deal on leaks before they seal your fate!

## Quick Answers

- **What is this?** CONCENTRTD REAR MAIN SEAL by bar's leaks
- **How much does it cost?** € 50.50 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/257815528-concentrtd-rear-main-seal)

## Best For

- bar's leaks enthusiasts

## Why This Product

- Trusted bar's leaks brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Easy Application:** Simply add the entire bottle to your engine crankcase during oil changes—no mess, no hassle.
- • **Fast-Acting Formula:** Experience leak repair results in as little as 100 miles or 2 days of driving—no more waiting around.
- • **Trusted by Thousands:** Backed by over 2,500 reviews and a solid 4.2-star rating, join the community of savvy car owners who refuse to settle.
- • **Versatile Protection:** Works better than conventional stop-leak products on timing covers, cam seals, and other hard-to-fix leaks.
- • **Precision Leak Sealing:** Specifically engineered to target and seal stubborn rear main and camshaft oil leaks with unmatched efficiency.

## Overview

Bar's Leaks Concentrated Rear Main Seal is a powerful 16.9 fl oz liquid additive designed to stop tough engine oil leaks, especially rear main seals, cam seals, and timing covers. Easy to use during oil changes, it delivers fast results within 100 miles or 2 days, outperforming conventional stop-leak products. Trusted by thousands with a 4.2-star rating, it’s a must-have for proactive vehicle maintenance.

## Description

Buy Bar's Leaks CONCENTRTD REAR MAIN SEAL online on desertcart.ae at best prices. ✓ Fast and free shipping ✓ free returns ✓ cash on delivery available on eligible purchase.

Review: Quick delivery - Perfect
Review: NOT WORKING - NOT WORKING

## Features

- Seals timing cover, cam seal, rear main and other hard to stop oil leaks
- Add to engine oil
- Specifically designed to seal rear main leaks, but also works better than a conventional stop leak on all other leaks
- Add entire bottle of Rear Main Seal Repair to engine crankcase (where you add oil) at or between oil changes. Do not overfill. Most leaks will stop within 100 miles or 2 days of driving

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00754T6TK |
| Best Sellers Rank | #48,510 in Automotive ( See Top 100 in Automotive ) #234 in Oil & Fluid Additives |
| Brand | Bar's Leaks |
| Brand Name | Bar's Leaks |
| Container Type | Bottle |
| Customer Reviews | 4.2 out of 5 stars 2,504 Reviews |
| Global Trade Identification Number | 00046087010402 |
| Included Components | One bottle Bar's Leaks Rear Main Seal Repair |
| Item Form | Liquid |
| Item Type Name | Bar's Leaks Rear Main Seal Repair |
| Item Weight | 499 g |
| Item weight | 499 g |
| Liquid Volume | 16.9 Fluid Ounces |
| Liquid volume | 16.9 Fluid Ounces |
| Manufacturer | Bar's Leaks |
| Material | Chemical |
| Package information | Bottle |
| Recommended Uses For Product | Automotive |
| Recommended uses for product | Automotive |
| Specific Uses For Product | Sealing engine oil leaks |
| UPC | 046087010402 |
| Unit Count | 16.9 Milliliters |

## Product Details

- **Brand:** Bar's Leaks
- **Item weight:** 1.1 Pounds
- **Liquid volume:** 16.9 Fluid Ounces
- **Material:** Chemical
- **Package information:** Bottle

## Images

![CONCENTRTD REAR MAIN SEAL - Image 1](https://m.media-amazon.com/images/I/71BWlf2ZPcL.jpg)

## Questions & Answers

**Q: Is this safe for diesels, specifically the Duramax 6.6L?**
A: Yes..... According to Bars Product, this is compatible with all engines and engine oils.

**Q: Can you use this with synthetic oils**
A: Yes, I have used it with synthetic oil with no issues.

**Q: What it does with my other gasket that has not have a leak?**
A: If I'm understanding your question correctly.... you would like to know what effect this has on gaskets that are not leaking?    The answer is nothing.....  Thank you  Eric

**Q: Is this safe to use with other gas additives such as seafoam, lucas?**
A: Yes there is no problem. This gets poured into your oil crankcase not into your gasoline. Seafoam usually gets poured into your gas tank to clean injectors and cylinder walls sometimes you can put it in the crankcase just about 4 oz to clean junk this does not stop any leaks usually done 100 or 200 mi before an oil change. Lucas has many products some that are injector cleaners that go into the fuel tank some that are oil stabilizers or stop leaks or friction additives that go into your oil crankcase you can have Lucas oil additive/stop leak and bars leak in your oil crankcase they don't interfere with one another

## Customer Reviews

### ⭐⭐⭐⭐⭐ Quick delivery
*by D***U on 17 November 2023*

Perfect

### ⭐ NOT WORKING
*by P***K on 12 December 2020*

NOT WORKING

### ⭐⭐⭐ Does nothing
*by B***T on 2 September 2022*

Doesn't really work.

## Frequently Bought Together

- Bar's Leaks Rear Main Seal Repair, 16.9 oz
- Bar's Leaks OS-1 Oil Seal Engine Oil Burning and Leak Repair, 16.9 oz.
- Bar's Leaks 1420 Transmission Stop Leak - 11 oz. , Grey

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**Shop now:** [https://www.desertcart.gr/products/257815528-concentrtd-rear-main-seal](https://www.desertcart.gr/products/257815528-concentrtd-rear-main-seal)

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*Product available on Desertcart Greece*
*Store origin: GR*
*Last updated: 2026-02-28*