---
product_id: 8963643
title: "BlueDevil Products 00234 Rear Main Sealer - 8 Ounce"
brand: "bluedevil products"
price: "€ 47.86"
currency: EUR
in_stock: true
reviews_count: 13
url: https://www.desertcart.sk/products/8963643-bluedevil-products-00234-rear-main-sealer-8-ounce
store_origin: SK
region: Slovakia
---

# Compatible with all engines Restores seals while driving Permanent seal tech BlueDevil Products 00234 Rear Main Sealer - 8 Ounce

**Brand:** bluedevil products
**Price:** € 47.86
**Availability:** ✅ In Stock

## Summary

> 🛡️ Seal the deal on leaks before your next drive!

## Quick Answers

- **What is this?** BlueDevil Products 00234 Rear Main Sealer - 8 Ounce by bluedevil products
- **How much does it cost?** € 47.86 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/8963643-bluedevil-products-00234-rear-main-sealer-8-ounce)

## Best For

- bluedevil products enthusiasts

## Why This Product

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

## Key Features

- • **Drive & Restore:** Revives dried, cracked seals as you drive—no downtime, no hassle.
- • **Seal-Safe Formula:** Free from petroleum distillates, protecting your engine seals from damage.
- • **Leak-Proof Confidence:** Permanently seals rear main leaks—no more messy oil spots or costly repairs.
- • **Effortless Application:** Just pour into your engine oil—no mechanic needed, no extra steps.
- • **Universal Engine Compatibility:** Works seamlessly with gasoline & diesel engines using synthetic or conventional oils.

## Overview

BlueDevil Rear Main Sealer is an 8-ounce liquid formula designed to permanently repair rear main seal leaks by flowing into damaged areas and restoring rubber seals while you drive. Compatible with all engine types and oils, it offers an easy, cost-effective alternative to expensive repairs, ensuring your engine oil stays where it belongs.

## Description

BlueDevil Rear Main Sealer is a product designed to fix leaks in the rear main seal of an engine. The rear main seal is a critical component of an engine, as it helps to keep the oil inside the engine and prevent it from leaking out. Over time, the seal can become worn or damaged, leading to leaks. Bluedevil Rear Main Sealer is formulated to be a non-particulate sealant that can mix with the engine oil and flow into the damaged areas of the rear main seal, creating a permanent seal. It is designed to work with all types of engine oil and can be used in both gasoline and diesel engines.

Review: THIS STUFF WORKS!! - I have a 2009 F150 with over 337,500 miles on the original engine. It developed a persistent rear main seal leak about a year ago. Having called the local dealer, I was quoted labor only of $1,900 to repair this leak. I went on desertcart to see if there might be anything out there that would help. I purchased this Blue Devil pour and go rear main sealer and had it delivered next day, put it in the crankcase as instructed and drove to Ft. Lauderdale (200+ miles roundtrip) So far, after about 400 miles, it looks to me that the leak has stopped. I'm hopeful that it stays stopped and will no longer be a mess on my paver driveway!! I recommend this product based on this outcome.
Review: Works great as temporary repair! - We are in the middle of moving 650mi and I noticed on my first of 4 trips, that the oil cooler on my Duramax Diesel was leaking. It was leaving a 8-10" puddle under it every night. After using this my puddle has disappeared and now I get a spot about the size of a quarter. I've put 1500 miles on it and will need to get another 1500 out of it before I will have time to re-seal the oil cooler properly. But this seems to have done the trick for the time being. I Definitely recommend this stuff as a bandaid to get you buy until a proper repair can be made. Just DO NOT use in ANY powertstrokes.

## Features

- Permanent seal: This product is formulated to flow into damaged areas of the rear main seal to provide a permanent seal to keep your vehicle’s oil inside of the rear of the engine. Works as a permanent repair and does not need to be added when oil is changed.
- Easy to use: BlueDevil Rear Main Sealer is designed to be easy to use, making it accessible to a wide range of drivers. Simply pour the recommended amount into the engine oil.
- Restores while you drive: Designed to restore dried, cracked, and shrunken rubber seals to their original condition while you drive.
- Safe to use: Does not contain petroleum distillates which can destroy seals.
- Compatible with all types of engines: Works on gasoline or diesel engines that use synthetic or conventional oils, making it a versatile product that can be used on a wide range of vehicles.
- · Do not use in brake systems or on painted surfaces!

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0079JX4JO |
| Best Sellers Rank | #32,916 in Automotive ( See Top 100 in Automotive ) #63 in Body Repair & Restoration Adhesives |
| Brand | BlueDevil Products |
| Brand Name | BlueDevil Products |
| Color | Blue |
| Compatible Material | Metal, Plastic |
| Customer Reviews | 4.1 out of 5 stars 3,532 Reviews |
| Global Trade Identification Number | 00891838002348 |
| Included Components | 1 x 8 Oz. Bottle |
| Item Dimensions | 6 x 2.5 x 2.5 inches |
| Item Form | Liquid |
| Item Type Name | Rear Main Sealer |
| Item Weight | 8 Ounces |
| Item dimensions L x W x H | 6 x 2.5 x 2.5 inches |
| Manufacturer | BlueDevil Products |
| Material | Rubber |
| Material Type | Rubber |
| Model | 00234 |
| Number of Items | 1 |
| Part Number | 00234 |
| Style | Compact |
| Style Name | Compact |
| UPC | 891838002348 |
| Unit Count | 8.0 Ounce |
| Warranty Description | limited |
| Water Resistance Level | Waterproof |

## Product Details

- **Brand:** BlueDevil Products
- **Item Weight:** 8 Ounces
- **Item dimensions L x W x H:** 6 x 2.5 x 2.5 inches
- **Material:** Rubber
- **Style:** Compact

## Images

![BlueDevil Products 00234 Rear Main Sealer - 8 Ounce - Image 1](https://m.media-amazon.com/images/I/717NLvzIfJL.jpg)
![BlueDevil Products 00234 Rear Main Sealer - 8 Ounce - Image 2](https://m.media-amazon.com/images/I/710nGL1XQgL.jpg)
![BlueDevil Products 00234 Rear Main Sealer - 8 Ounce - Image 3](https://m.media-amazon.com/images/I/81wsv-dKapL.jpg)
![BlueDevil Products 00234 Rear Main Sealer - 8 Ounce - Image 4](https://m.media-amazon.com/images/I/71eDb059AsL.jpg)

## Available Options

This product comes in different **Style** options.

## Questions & Answers

**Q: Do you add it to your car, even if your oil is currently full?**
A: You add it in substitution to oil making sure you don't overfill, right to the upper fill line is perfect & a little over is still ok.

**Q: do i need to flush this after leak is fix?**
A: No don't flush. It will come out when you need an oil change.but it would have done its job on that leak..

**Q: who do i get a hold of for this guarentee?**
A: You have to directly contact the manufacturer, fill out a form, with proof of purchase, and send it back to them within 60 days

**Q: will this stop oil leak on a 2005 hyundia santa fe with 3.5l engine?**
A: I actually called the blue Devil company about a minivan with an oil leak. They said " absolutely".  It did slow down the leak.

## Customer Reviews

### ⭐⭐⭐⭐⭐ THIS STUFF WORKS!!
*by R***R on May 17, 2024*

I have a 2009 F150 with over 337,500 miles on the original engine. It developed a persistent rear main seal leak about a year ago. Having called the local dealer, I was quoted labor only of $1,900 to repair this leak. I went on Amazon to see if there might be anything out there that would help. I purchased this Blue Devil pour and go rear main sealer and had it delivered next day, put it in the crankcase as instructed and drove to Ft. Lauderdale (200+ miles roundtrip) So far, after about 400 miles, it looks to me that the leak has stopped. I'm hopeful that it stays stopped and will no longer be a mess on my paver driveway!! I recommend this product based on this outcome.

### ⭐⭐⭐⭐⭐ Works great as temporary repair!
*by C***N on March 29, 2026*

We are in the middle of moving 650mi and I noticed on my first of 4 trips, that the oil cooler on my Duramax Diesel was leaking. It was leaving a 8-10" puddle under it every night. After using this my puddle has disappeared and now I get a spot about the size of a quarter. I've put 1500 miles on it and will need to get another 1500 out of it before I will have time to re-seal the oil cooler properly. But this seems to have done the trick for the time being. I Definitely recommend this stuff as a bandaid to get you buy until a proper repair can be made. Just DO NOT use in ANY powertstrokes.

### ⭐⭐⭐⭐ Great product!
*by A***R on March 4, 2026*

Amazing! 2000's Ford Ranger 4.0 for my 87 yo father that developed a main seal leak and was really smelling bad. Poured it in and within a day or so the oil smell was almost gone. Very happy with results.

## Frequently Bought Together

- BlueDevil Products 00234 Rear Main Sealer - 8 Ounce
- BlueDevil Products 49499 Oil Stop Leak - 8 Ounce
- BlueDevil Products 00243 Stop Smoke & Engine Repair - 16 Ounce

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*Product available on Desertcart Slovakia*
*Store origin: SK*
*Last updated: 2026-05-11*