Description
Overview:
This insulator for cylinder is a heat‐resistant spacer designed for Husqvarna K750 disc cutters. It sits between engine components to limit heat transfer, helping to stabilise temperatures around the intake area so the cutter runs consistently during long cutting sessions. Made from a durable, heat‐resistant composite, it is shaped for a precise seal and reliable alignment on the K750, supporting clean airflow and dependable throttle response. By reducing heat soak into nearby parts, it helps protect gaskets and the carburettor from thermal stress, aiding smoother starting and operation. Built for the demands of construction and site work, this part is a practical, service‐grade replacement that supports the performance and longevity of your Husqvarna K750.
Key Features:
- Heat‐isolating design to reduce transfer from the cylinder to adjoining intake components
- Supports stable running, smoother idling, and more reliable hot restarts
- Durable composite construction resists heat, vibration, fuel, and oil exposure
- Accurate fit for the Husqvarna K750 to speed up installation and sealing
- Helps protect gaskets and the carburettor from thermal stress and warping
- Low‐mass part that adds no noticeable weight to the machine
- Suitable for scheduled maintenance, rebuilds, or troubleshooting heat‐related issues
- Engineered form factor for proper airflow and alignment with existing hardware
Typical Applications:
Used during intake or top‐end servicing of Husqvarna K750 disc cutters to restore correct thermal isolation. Ideal when rebuilding engines, replacing worn spacers, or addressing hot‐running, vapour‐lock, or hard‐start symptoms on tools used for cutting concrete, masonry, stone, and asphalt in construction, utilities, and landscaping.
Also known as:
Cylinder insulator block, intake manifold insulator, carburettor heat spacer, thermal isolator, manifold spacer plate, intake spacer, carb insulator.
Fits Models:
K750
Alternate Part Numbers:
506 38 91-02, 506 38 91-01, 506389101, 506389102
Product Specifications
| L&S Part No. | 506 38 91 01 |
|---|---|
| Manufacturer | Husqvarna |
| OEM No. | 506389102 |
| Unit of Sale | 1 |
| Machine Type | Disc Cutters |
| Fits Brands | Husqvarna |
| Key Features | - Designed for Husqvarna K750 disc cutters - Heat-resistant composite limits thermal transfer - Supports stable running and smoother idling - Accurate fit speeds up installation - Protects gaskets and carburettor from thermal stress |


