O.S. Engines Thermo Insulator for 11K, 11M & 11L Carburetors
$12.99
The O.S. Engines Thermo Insulator is a genuine replacement part used on compatible O.S. carburetor necks, including 11K, 11M, and 11L carburetor applications. It is placed on the carburetor neck before the carburetor is installed onto the engine.
This insulator helps reduce heat transfer from the engine case to the carburetor while also supporting proper carburetor fitment at the mounting area. Replacing a damaged, missing, or worn thermo insulator can help maintain a better seal, improve carburetor seating, and reduce tuning issues caused by poor fitment or excess heat transfer.
It is a useful part to keep on hand during carburetor service, engine rebuilds, and routine O.S. nitro engine maintenance.
Key features
- Genuine O.S. Engines replacement part
- Thermo insulator for compatible carburetor necks
- Fits 11K, 11M, and 11L carburetor applications
- Used on 18TM / 11K carb neck applications
- Installed on the carburetor neck before mounting carb to engine
- Helps reduce heat transfer to the carburetor
- Supports proper carburetor fitment and sealing
O.S. Part # 21982900
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