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49290 Low Volatile RTV Silicone Gasket Maker, 0 to 500 Degree F, 300mL Cartridge, Black (Pack of 12)

Free shipping on orders over $29.99

$139.99

$ 66 .99 $66.99

In Stock

About this item

  • Oxygen sensor safe, low volatile
  • Makes instant leak-proof gaskets
  • Resists oil, water, anti-freeze and transmission fluid
  • Remains flexible
  • Makes any size or shape gasket instantly


Dynatex black RTV silicone gasket maker is a paste-like, one-component material, which cures to a tough, rubbery solid upon exposure to moisture in the air. Formulated for gasket making applications. Sensor safe and manufactured to meet OEM specifications. Makes instant, leak proof gaskets for all engines, drive train equipment, and related components. Resists oil, water, anti-freeze, and transmission fluid. Works on all vehicles. Oxygen sensor safe, low volatile. Makes instant leak-proof gaskets. Resists oil, water, anti-freeze and transmission fluid. Remains flexible. Makes any size or shape gasket instantly. Applicable for valve covers, oil pans, intake manifold end seals, timing covers, thermostat housings, differential covers and more. Suggestions of uses should not be taken as inducements to infringe any patents. ISO Certified.


Ben Sangtrash
Reviewed in the United States on July 6, 2024
The place I buy my RTV from was always the cheapest at around $5/ tube. One day they raised their price to $20/tube, for the same cheap crap. That's like premium quality RTV prices. These end up around $8/tube, which is fine. As far as I can tell, it's the same basic black RTV as my shop has always used. We're a transmission shop, so it's being used to seal pretty much everything engine or transmission. It has not given me any indication of trouble yet, already gone through 4 tubes. Personally I have not seen any benefit to using the expensive stuff. Surface prep and cleanliness is key.