Features & Benefits
- Permanent seal
- Easy to use
- Restores while you drive
- Safe to use
- Compatible with all types of engines
- Do not use in brake systems or on painted surfaces!
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2924682
BlueDevil Products 00234 Rear Main Sealer - 8 Ounce
Item #:
2924682
0 ratings
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BlueDevil Rear Main Sealer is formulated to provide a permanent seal to keep your vehicle’s oil inside of the rear of the engine.
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What Stands Out
Effective Sealant
The BlueDevil Rear Main Sealer effectively stops leaks and seals rear main seals, providing long-lasting protection for your engine without the need for costly repairs.
Easy Application
This 8-ounce sealer is simple to use; just add it to your engine oil, making it accessible for both professionals and DIY enthusiasts looking for quick solutions.
Versatile Compatibility
Designed to work with all types of motor oils, including synthetic blends, ensuring it meets the needs of various vehicle owners while delivering optimal performance.
Product Details
- Formulated to provide a permanent seal for rear main seals, keeping oil inside the engine
- Easy to use, simply pour recommended amount into engine oil
- Restores dried, cracked, and shrunken rubber seals while driving
- Safe to use, does not contain petroleum distillates
- Compatible with gasoline or diesel engines that use synthetic or conventional oils
- Do not use in brake systems or on painted surfaces
| Package Weight | 1.27 Pound |
Who Should Buy?
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Older Vehicles
Ideal for aging cars with minor rear main seal leaks, providing a cost-effective solution to prevent further damage.
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DIY Mechanics
Perfect for amateur mechanics who want an easy-to-use product to manage minor oil leak problems without costly repairs.
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Prevention Seekers
Great for those looking to maintain their vehicle's engine health by sealing existing leaks before they escalate.
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Severe Leaks
Not suitable for large or severe leaks that require physical seal replacement and cannot be effectively resolved with additives.
Product Description
BlueDevil Products 00234 Rear Main Sealer - 8 Ounce
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Customer Questions & Answers
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Question:
What is BlueDevil Products 00234 Rear Main Sealer used for?
Answer: The BlueDevil Products 00234 Rear Main Sealer is designed to seal leaks in the rear main seal of your vehicle's engine. This effective formula works by restoring elasticity to old seals, preventing oil leaks and maintaining optimal engine performance. It's particularly useful for those dealing with oil drips that accumulate under the vehicle, indicating a failing rear main seal. By utilizing this product, you can potentially avoid costly repairs and extend the life of your engine. -
Question:
How does the Rear Main Sealer work?
Answer: The BlueDevil Rear Main Sealer employs advanced sealing technology that penetrates and revitalizes the rubber in seals. This penetration allows for the restoration of integrity to the seals, effectively stopping leaks as the oil circulates through the engine. Regular use can significantly reduce the risk of oil leaks while keeping your engine clean and lubricated. For optimal results, it’s advised to follow the application instructions on the label to ensure a proper seal repair. -
Question:
Can I use BlueDevil Rear Main Sealer in all types of vehicles?
Answer: Yes, the BlueDevil Rear Main Sealer is compatible with most types of gasoline and diesel engines. It works effectively in cars, trucks, and SUVs. Before application, it’s important to check if your vehicle's engine is compatible, especially if it has high mileage or specialized engines. This versatility makes it a go-to solution for many vehicle owners looking to address oil leaks without extensive mechanical work. -
Question:
How long does it take for the Rear Main Sealer to work?
Answer: Typically, the BlueDevil Rear Main Sealer starts to work almost immediately after application. Most users report seeing a noticeable difference in leakage within a few minutes to hours. However, for optimal sealing benefits, it’s recommended to allow it to circulate through the engine as per the instructions. Regular follow-ups with the product help maintain engine integrity and can extend the longevity of your vehicle’s performance. -
Question:
Is BlueDevil Rear Main Sealer safe for my engine?
Answer: The BlueDevil Rear Main Sealer is safe for use in all engine types, as it’s formulated to be non-corrosive and compatible with various oil types. It does not contain harmful chemicals that could damage engine components. Many motorists have found peace of mind using this product as it provides a safe and reliable solution for addressing oil leaks without risking the health of their engines. -
Question:
What should I do if the sealer doesn’t work?
Answer: If the BlueDevil Rear Main Sealer does not fully stop the leaks after following the recommended application instructions, it may indicate a more serious issue within the engine. In such cases, it’s advisable to consult a qualified mechanic. It’s important to assess whether the leak is caused by a different issue or if the seal itself is damaged beyond repair, which might require professional intervention. -
Question:
How do I apply BlueDevil Rear Main Sealer?
Answer: To apply BlueDevil Rear Main Sealer, first, ensure your vehicle is at operating temperature, then pour the entire 8-ounce bottle into the engine oil fill. After that, run the engine for a short period to allow the product to circulate. For best results, it is suggested to use the product with fresh engine oil and follow the specific instructions provided on the label to maximize leak sealing efficiency. -
Question:
Can I use Rear Main Sealer with other additives?
Answer: It is generally recommended to use BlueDevil Rear Main Sealer alone to ensure its sealing agents work effectively. Mixing it with other additives may dilute its formula and reduce performance. For optimal results, use it by itself and allow it sufficient time to work within the system before introducing any other products into your engine. -
Question:
How can I tell if I need to use Rear Main Sealer?
Answer: Indications that you might need to use the BlueDevil Rear Main Sealer include noticing oil spots on the ground where you park, reduced oil levels, and unusual engine noises. Additionally, if you experience a burning oil smell during operation, these are signs that the rear main seal may be leaking. Regular checks of your engine oil can help you catch and address issues before they escalate. -
Question:
Where can I buy BlueDevil Products 00234 Rear Main Sealer - 8 Ounce?
Answer: You can purchase BlueDevil Products 00234 Rear Main Sealer - 8 Ounce from Ubuy in Greenland. Ubuy offers a convenient platform for acquiring automotive products, ensuring that you get genuine and effective solutions for your vehicle maintenance needs. With their user-friendly shopping experience, finding the right product is straightforward and efficient.
BlueDevilProducts Adhesives Editorial Review
BlueDevil Oil Stop Leak is a highly effective engine oil additive that is designed to stop leaks in their tracks. It works by revitalizing the gaskets and seals that are responsible for keeping your engine oil where it needs to be. The product is compatible with all auto engines and is a safe and easy-to-use solution for those looking to avoid expensive repairs. Customer experience and reception: The product is highly received and is known to slow down, and even stop, oil and transfer case leaks. Customers have also noted that it has the ability to seal or slow front and rear seal leaks, as well as valve cover leaks. However, some customers have reported that it did not stop ticking noises in their engines.
Customer Reviews & Ratings
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Pros
- Easy to use
- Compatible with all auto engines
- Effectively seals or slows down leaks
- Can extend life of engine
Cons
- May not be effective in stopping ticking noises
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“Great products and very good service: very easy and very fast international delivery.”
9 September 2026 · via Trustpilot
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