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๐ ๏ธ Seal like a pro, build with confidence!
Permatex 80633 Thread Sealant with PTFE is a high-performance, general-purpose liquid sealant designed to provide durable, pressure-resistant seals in air, oil, diesel fuel, and hydraulic systems. With a wide operating temperature range (-65ยฐF to 300ยฐF) and superior resistance to common shop fluids, it ensures leak-free, smooth assembly and long-lasting reliability across multiple engine and drivetrain applications.














| ASIN | B000HBM49W |
| Best Sellers Rank | #3,482 in Automotive ( See Top 100 in Automotive ) #15 in Thread Lock Sealers |
| Brand | Permatex |
| Brand Name | Permatex |
| Color | White |
| Compatible Material | Metal |
| Customer Reviews | 4.8 out of 5 stars 2,224 Reviews |
| Global Trade Identification Number | 00686226806338 |
| Included Components | Product & Instructions Guide |
| Item Dimensions | 3.44 x 3.44 x 4.56 inches |
| Item Form | Liquid |
| Item Weight | 544 g |
| Item dimensions L x W x H | 3.44 x 3.44 x 4.56 inches |
| Manufacturer | Permatex |
| Material | Thread Sealant with PTFE |
| Material Type | Thread Sealant with PTFE |
| Model | 80633 |
| Number of Items | 1 |
| Part Number | 80633 |
| Style | 16 oz. |
| Style Name | 16 oz. |
| Surface Recommendation | Pipe |
| UPC | 686226806338 |
| Unit Count | 16 Fluid Ounces |
| Warranty Description | 30 Days |
| Water Resistance Level | Not Water Resistant |
E**N
4 oz bottle goes a long way!
I absolutely love this stuff. Iโve used this Permatex PTFE thread sealant on two complete vehicle engine builds, and Iโm only about halfway through the bottle, which says a lot about both coverage and value. A little goes a long way, and it applies smoothly without making a mess. I used it on cylinder head studs, intake fittings, transmission line fittings, oil cooler fittings, and several other threaded connections exposed to oil, coolant, and transmission fluid. In every case, it sealed exactly as intendedโno seepage, no weeping, and no loosening after heat cycles. What I like most is that it seals while still allowing proper torque, unlike some sealants that either over-lubricate or harden too much. Itโs held up against coolant, engine oil, and ATF with zero issues. Threads stayed clean, fittings went in smoothly, and nothing backed out during assembly or operation. This has become my go-to thread sealant for engine and drivetrain work. Reliable, efficient, and long-lastingโone bottle easily handles multiple builds. I wouldnโt hesitate to use it again on future projects.
R**R
Great all around thread sealant.
Works great on bolts subjected to petroleum. Oil bolts, intake bolts, and any bolts that needs thread tape.
B**3
It's prematex
Perfect for sealing threads. Works great and easy to clean up. Would buy again when needed.
P**H
Great sealant!
The best thread sealant I have ever used. I've used it in every heavy diesel shop that I have worked in. When it fully dries its fully sealed. A little goes a long way and it lasts for quite awhile.
T**I
On the bottle itself it says not to be used On PVC . Just letting you know.
Although it says not to be used on PVC I used it anyway and it worked great with Teflon tape.
R**N
Ideal para camiones
Nunca habรญa usado este producto me lo recomendรณ un amigo y funciona muy bien sobre todo para las lรญneas de aire de los camiones
D**Y
Helpful
Good product
T**N
Best stuff great price
Best stuff
A**R
Too lazy to drive to the orange store
Works as expected
M**L
Super zeug
Sehr ergiebig und hรคlt immer dicht. Besser als jedes PTFE band
H**A
Leakage
The product was fully leaked.. No packaging at all... Worst.. Money wasted
P**L
Quality product
Like most Permatex products it is a quality product. Perfect for air and HVAC fittings.
V**O
Good quality.
Good quality.
Trustpilot
3 days ago
1 week ago