Quick view Dirko HT Red Silicone Sealant 70ML For Stihl Husqvarna Echo 0783 830 2000, 0783 830 2120 (2) Elring Klinger Dirko HT red silicone. This sealant is the OEM standard for Stihl, and is of the highest quality in the industry. The silicone has a guaranteed freshness from the manufacturer, and has... $14.95 $12.95 Add to Wishlist Add to Cart