The Husqvarna 505416801 Cylinder is a genuine OEM replacement built for the FS6600D and FS6800D floor saws. Sourced directly from Husqvarna's construction equipment line, this component meets the same specifications as the original part installed at the factory. DHS Equipment supplies this part to help keep your equipment running at full capacity. Cross-reference part number 505416801 against your parts diagram to confirm fitment before ordering.
Key Features
- Genuine OEM Construction-Grade Cylinder — Manufactured to Husqvarna's exact bore tolerances and material standards, ensuring correct compression characteristics for these high-demand floor saw engines.
- Direct-Fit Replacement — Designed to drop into the FS6600D and FS6800D engine assemblies with no machining or adaptation, matching all mounting interfaces and port alignments of the original component.
- Confirmed Fitment for FS6600D and FS6800D Floor Saws — Engineered specifically for these Husqvarna walk-behind flat saws, eliminating compatibility guesswork on the jobsite.
- Restored Engine Performance — A worn or damaged cylinder leads to loss of compression, reduced cutting power, and increased fuel consumption. Replacing it with this OEM part restores proper engine output and consistent blade speed under load.
- Long-Term Engine Integrity — Using a genuine Husqvarna cylinder preserves the tight clearances required between piston and bore, supporting sustained engine health over demanding concrete cutting cycles.
The cylinder is the core structural and functional component of a two- or four-stroke engine, forming the combustion chamber where fuel and air ignite to drive the piston and generate power. In a floor saw like the FS6600D or FS6800D, a correctly functioning cylinder maintains the compression needed to deliver consistent torque to the cutting blade — critical when working through reinforced concrete slabs. When a cylinder becomes scored, cracked, or worn beyond tolerance, compression drops, engine power falls off noticeably, and continued operation risks accelerated damage to the piston and rings. Replacing the cylinder with this genuine OEM part restores proper combustion integrity and gets the machine back to full working specification.
Part Details
| Part Number | 505416801 |
|---|---|
| Brand | Husqvarna |
| Part Type | Genuine OEM |
| Description | Cylinder |
Compatibility & Fitment
| Name | Model |
|---|---|
| Floor Saw | FS6600D |
| Floor Saw | FS6800D |
Verify Before You Order
Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.
Why Buy From DHS Equipment
Every part is verified against the manufacturer's part number before it ships, so what you order is what arrives. We carry parts from leading OEM brands and our own DHS Quality Parts line of professional aftermarket components. Need help finding the right part? Our team is available to confirm compatibility whenever you need it. Orders are processed fast to keep your jobs on track. We don't just sell parts. We keep you jobsite ready.
Questions? Contact our team at [email protected] or 866-611-9369 — DHS Equipment is here to help you maintain peak performance.