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๐ฉ Lock it down, loosen it up โ the proโs choice for every bolt!
LOCTITE 243 is a medium-strength, blue threadlocker designed for automotive use, offering fast curing, oil tolerance, and reliable adhesion on all metals including passive substrates. Trusted by OEMs and professionals alike, it secures fasteners from 6mm to 20mm while allowing easy removal with hand tools, making it perfect for maintenance and high-performance applications.




| ASIN | B004L439FE |
| Best Sellers Rank | #14,052 in Automotive ( See Top 100 in Automotive ) #93 in Automotive Fillers, Adhesives & Sealants |
| Brand | LOCTITE |
| Brand Name | LOCTITE |
| Color | Blue |
| Colour | Blue |
| Compatible Material | Metal |
| Container Type | Tube |
| Customer Reviews | 4.8 out of 5 stars 3,166 Reviews |
| Full Cure Time | 24 Hours |
| Global Trade Identification Number | 00079340439078 |
| Included Components | (1) 243 Threadlocker for Automotive, Blue, 6-ml |
| Item Form | Liquid |
| Item Package Quantity | 1 |
| Item Type Name | automotive-thread-lock-sealers |
| Item form | Liquid |
| Manufacturer | Loctite |
| Material | Aluminum , Stainless Steel |
| Material Type | Aluminum,Stainless Steel |
| Model | 1330799 |
| Number of Pieces | 1 |
| Other Special Features of the Product | Oil Tolerant, Medium Strength Bond, Removable with Hand Tools, Improved Adhesion on Various Metals and Passive Substrates |
| Part Interchange Info | 1330799 |
| Part Number | 1330799 |
| Smart Home Compatibility | Not Smart Home Compatible |
| Special features | Oil Tolerant, Medium Strength Bond, Removable with Hand Tools, Improved Adhesion on Various Metals and Passive Substrates Special features Oil Tolerant, Medium Strength Bond, Removable with Hand Tools, Improved Adhesion on Various Metals and Passive Substrates See more |
| Specific Uses For Product | Automotive |
| Specific uses for product | Automotive |
| UPC | 079340439078 |
| Viscosity Level | High |
| Volume | 6 Milliliters |
| Water Resistance Level | Water Resistant |
A**R
Good product
worked fine
H**Z
Calidad y precio aceptable
Excelente producto
Y**O
good
good
D**R
Good stuff, really works better than the 242 on stainless and oily environment
The 243 formula really makes a difference when used on stainless and other corrosion resistant metals, even with oil or grease contamination, like that you often get in tap holes of anything mechanical like engine, bikes, gears and sprockets, motors, etc. Using the 242, I often observed very poor, if not total lack of thread locking, when using stainless fasteners or in a shop environment, anywhere around greasy or oily parts. With the 243, I still yet to have a failure in thread locking and I've been using it for over a year now. 36mL is a lot cheaper than the 6mL tube and no, it won't go to waste because you used it once a year ago and are afraid it's no good anymore. Simply cap it off properly and it's gonna remain usable for a very long time. Don't forget to shake it up before using it that day, just like you would shake and stir your paint before painting.
L**W
Great value , brand name quality.
Its loctite and it works. Short and simple!
Trustpilot
2 weeks ago
1 month ago