Description
Overview:
This replacement piston is designed for the Partner K500 cut-off saw (power cutter). It is a critical internal engine component that seals the combustion chamber, maintains compression, and transfers combustion force to the connecting rod for efficient cutting performance. Manufactured from durable aluminium alloy and precision-machined for a correct fit, it helps restore power, smooth running and reliable starting in the K500's two-stroke engine. Use it when an original piston is worn, scored or damaged due to heavy use or poor lubrication. Built for demanding site and workshop conditions, it supports consistent performance when cutting concrete, masonry, asphalt and similar materials. Part reference 506 07 43 01 aligns with common cataloguing for Partner/Husqvarna service parts used on the K500.
Key Features:
- Direct-fit replacement for the Partner K500, helping ensure correct clearances and reliable operation
- Precision-machined aluminium alloy for strength, heat resistance and dependable compression
- Helps restore lost power, easier starting and smoother idle after piston wear or damage
- Stable performance under continuous load typical of site cutting tasks
- Designed for use in two-stroke engines found in professional power cutters
- Supports reduced blow-by and improved fuel efficiency when replacing a worn piston
- Compatible with standard service procedures and tools for straightforward fitting
- Suitable for preventative maintenance or full engine refresh during rebuilds
Typical Applications:
Used to replace a worn, scored or seized piston in Partner K500 cut-off saws to recover compression and output. Common during engine rebuilds after heavy-duty cutting of concrete, bricks, blocks, asphalt and metals with appropriate discs. Ideal for machines showing hard starting, reduced power, excessive smoke or poor throttle response.
Also known as:
Disc cutter piston, power cutter piston, engine piston, two-stroke piston, cylinder piston, piston crown, K500 piston, cut-off saw piston, piston replacement for Partner cutters.
Fits Models:
Partner K500
Alternate Part Numbers:
506-07-43-01, 506074301
Product Specifications
| L&S Part No. | 506 07 43 01 |
|---|---|
| Manufacturer | Husqvarna |
| OEM No. | 506074301 |
| Unit of Sale | 1 |
| Machine Type | Disc Cutters |
| Key Features | - Direct-fit replacement for Partner K500 cut-off saw - Precision-machined aluminium alloy ensures correct fit - Restores power and smooth running in two-stroke engines - Supports consistent performance in demanding conditions - Compatible with standard service procedures and tools |
Reviews
Ask a Question
Compatibility
Customers also bought
-
![]()
Key Steel (Imperial) Length: 12" Assorted Pack of 20£83.17 £69.31 -
![]()
Flat Bar, Sizes: 20 x 3-6mm - Assorted Pack of 10£83.68 £69.73
Related Products
-
![]()
Key Steel (Imperial) Length: 12" Assorted Pack of 20£83.17 £69.31 -
![]()
Flat Bar, Sizes: 20 x 3-6mm - Assorted Pack of 10£83.68 £69.73
