O.S. Thermo Carburetor Insulator 20K/21C/20L/21H/21J
OSM23781110
Back Order Now
$2.99 flat rate shipping!
Learn More
This item earns up to 20 VIP Reward Points
Learn More
This is a replacement thermo carb insulator gasket for O.S. 20K/21C/20L/21H/21J carburetors. This is the small gasket that goes between the carburetor and the engine crankcase to stop heat transfer from the crankcase to the carburetor. This fits on the O.S. 21 VZ-B V-Spec and 30 VG engines.
This product was added to our catalog on April 19, 2006
Jay
Wednesday, Jun 2 2010 (about 13 years ago)
O.S. Thermo Carburetor Insulator 20K/21C/20L/21H/21J
If you get this stuck in a motor, heat up the engine to running temp and work the carb in and out to remove it.
