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๐ Seal the deal, drive with confidence!
BlueDevil Transmission Sealer is a high-performance additive designed to permanently stop leaks by restoring rubber seals in both manual and automatic transmissions. It works actively while driving to prevent fluid loss and transmission damage, offering a reliable, easy-to-use solution trusted by over a thousand customers.








| ASIN | B0079JWMME |
| Assembly Required | No |
| Brand | BlueDevil Products |
| Colour | Blue |
| Country of Origin | USA |
| Customer Reviews | 4.2 4.2 out of 5 stars (1,063) |
| Date First Available | 10 October 2013 |
| Generic Name | Transmission Sealer |
| Item Dimensions LxWxH | 18.4 x 7 x 7 Centimeters |
| Item Weight | 454 g |
| Item model number | 236 |
| Manufacturer | BlueDevil Products |
| Manufacturer Part Number | 00236 |
| Material | Rubber |
| Model | 00236 |
| Product Dimensions | 18.42 x 6.99 x 6.99 cm; 453.59 g |
B**S
It worked but didnโt last
The sealer stop the leak for a short while but like it says on the bottle it cannot fix a Mechanical fault. It turned out the bolts on the gearbox had gone loose because the rubber gasket had shrunk with age. Had the gasket replace along with a new filter and all ok now. The jeep is 23 years old though.
K**I
Leak stop for transmisson
Great price delivery to the door
D**E
It stopped my transmission leak
Works great. I would definitely recommend it.
N**L
Super
This product is amazing..... Thank you
D**D
Actually works
Transmission started leaking about 2 weeks ago. Wife called me and said there is oil on the garage floor after Ieft. Cleaned it up. The next morning there was oil on the floor again. After investigating I realized it was transmission fluid. Went to Amazon to see if there was anything available to stop the leak. There was several options, seemed like the Blue Devil had the best reviews so I ordered. Took a few days to get it. By the time I got it car was leaking a lot. My car holds 12 quarts of fluid so per recommendation I put 12 oz of Blue Devil in. I then topped of the transmission with 5 quarts of Transmission fluid. So in 2 weeks I had lost about 6 quarts of fluid, so quite the leak. Had my doubts but after driving several hundred miles it looks like the leak has completely stopped. Now if it holds up I will be amazed.
Trustpilot
2 weeks ago
3 weeks ago