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🛠️ Seal it, fix it, forget it — the pro’s secret weapon!
Permatex 51813 Anaerobic Gasket Maker is a high-performance, non-corrosive sealant designed for aluminum, iron, and steel flanged surfaces. It fills gaps up to 0.015 inches and cures into a solvent-resistant, durable gasket that withstands wear without tearing or decaying. Ideal for emergency repairs and OEM applications like water pumps and transmission pans, it allows easy disassembly and quick removal of old gasket material, making it a must-have for professional-grade vehicle maintenance.

| ASIN | B0002UEONM |
| Assembly Required | No |
| Best Sellers Rank | #266,743 in Car & Motorbike ( See Top 100 in Car & Motorbike ) #215 in Fillers, Adhesives & Sealants |
| Brand | Permatex |
| Colour | Red |
| Country of Origin | USA |
| Customer Reviews | 4.7 4.7 out of 5 stars (1,216) |
| Date First Available | 6 August 2012 |
| Exterior | Painted |
| Generic Name | Gasket |
| Item Dimensions LxWxH | 38 x 97 x 203 Millimeters |
| Item Weight | 68 g |
| Item model number | 51813 |
| Manufacturer | Permatex |
| Manufacturer Part Number | 51813 |
| Material | manmade |
| Model | Permatex 51813 |
| Net Quantity | 1.69 Milliliters |
| OEM Part Number | PMT51813 |
| Product Dimensions | 3.81 x 9.68 x 20.32 cm; 68 g |
| Size | 50 ml. tube |
| Volume | 50 Millilitres |
J**N
Works great!
Fast shipping. Great product for my rear main seal repair. Worked great in my 03 Jeep TJ
J**O
Funciona bastante bien
Excelente sellador, funciona bastante bien, Yo lo ocupo para sellado de monoblocks de autos donde la tolerancia es mínima, y no me permite otro tipo de sellador.
す**ん
ATミッションオイルパン用
久しぶりに購入したら結構高かった。でも必需品なので。
N**N
Very good stuff, must have for any mechanic.
If you’re not familiar with this sealant it only hardens once everything is tightened up, it’s like a heavy grease when you apply it. I’ve had excellent results using it on split engine cases and as a replacement for a base gasket when you are trying to bump up the compression on something like a chainsaw or other small engine. What i use it for most is on paper type gaskets. A light coat on both sides of a new gasket and it’ll never leak. In a pinch if you pull something with a paper gasket and it don’t tear you can apply this to the exposed side of the gasket and re use it. I’ve done this quite a few times and never had a leak. It is better than using Silicone/RTV in a lot of applications. However I would not recommend it for any application that has a rubber or steel gasket.
B**.
Good Stuff
Does the job very well and being anaerobic it will not block ports or any other hole.
Trustpilot
3 weeks ago
5 days ago