BlueDevil Rear Main Sealer
Where to Buy
| Retailer | Price | Last seen | Buy |
|---|---|---|---|
 Amazon Sold by USA Supply Online | $12.30 | May 17, 2023, may have changed | Buy Now |
A Auto Barn | $13.95 | May 17, 2023, may have changed | Buy Now |
P Penwago Co. | $14.97 | Aug 14, 2022, may have changed | Buy Now |
T Truegether Sold by MSM Automotive | $15.50 | Jun 30, 2023, may have changed | Buy Now |
 Instacart | $15.97 | Feb 28, 2023, may have changed | Buy Now |
Prices are collected from retailer listings; each row shows the date we last saw that price. Return and shipping terms are each store's standard policy from our retailer research (April 2026). Some products and categories have different terms, so check with the store before you buy.
Used & Refurbished
✨ See 1 used & refurbished price with ShopSavvy ProGet the app →Pros
- •Effectively stopped an oil leak in various vehicles, including a 2014 Chevy Cruze and a 2004 Saturn Vue.
- •Eliminated squealing noises related to the oil seal.
- •Saved users over $800 in repair costs by preventing the need for seal replacement.
- •Resulted in a dry engine after two weeks, indicating long-lasting effects.
- •Easy to use without the need to drain existing oil, making it convenient.
- •Specifically formulated to rejuvenate seals and address leaks at the source.
- •Highly recommended by experienced automotive professionals.
- •Proven effective in a wide range of vehicles, including classic cars and sports cars.
- •Achieved long-lasting results with no leaks after 50,000 miles in some cases.
Cons
- •Some users reported engine issues, such as oil pressure drops and warning lights.
- •Similar results reportedly achievable with less expensive alternatives like brake fluid due to similar ingredients.
- •Effectiveness may vary, with some reviews indicating it works only about 50% of the time.
Bottom Line
BlueDevil Rear Main Sealer is highly praised for its effectiveness in stopping leaks and saving on costly repairs. It's especially recommended for car enthusiasts and professionals who deal with classic or high-performance vehicles. However, potential users should be aware of possible engine issues and that results may vary, as indicated by mixed experiences.
What Reviewers Are Saying
📚More About BlueDevil Rear Main Sealer
Discussion
ShopSavvy compares prices across thousands of retailers so you always get the best deal. Prices are collected from retailer listings, and each one shows the date we last saw it. Our expert reviews and community discussion help you make informed buying decisions.