The Multiquip HS50092013 Piston Assembly with Rings is a genuine OEM component designed for HS62A and SHS62A high-speed cut-off saws. Sourced directly from Multiquip, this assembly ensures the correct dimensions, ring gaps, and material grade needed for proper engine performance in demanding cut-off saw applications. It is a direct replacement for the original piston assembly and is verified to fit both the MQ Sidewinder and STOW Sidewinder handheld saw families. When your cut-off saw shows signs of compression loss, excessive oil consumption, or loss of power, replacing the piston assembly with a genuine OEM part restores the engine to its original operating condition.
Key Features
- Genuine OEM Piston-to-Bore Tolerancing — Manufactured to the same dimensional specifications as the original, ensuring correct ring seal and compression retention specific to this engine application.
- Rings Included — Comes as a complete assembly with piston rings pre-matched to the piston, eliminating the guesswork of sourcing compatible ring sets separately.
- Confirmed Fitment for HS62A and SHS62A — Verified for both the Multiquip and STOW Sidewinder high-speed cut-off saw models, covering both product lines in the MQ portfolio.
- Restores Engine Compression — A worn or scored piston causes power loss, hard starting, and excessive fuel consumption; this OEM assembly brings compression back to spec so the saw cuts at full capacity.
- Fuel System Safety Consideration — A correctly sealed piston prevents blow-by gases from contaminating the fuel-oil mixture path, which is particularly important in the high-RPM environment of a cut-off saw engine.
The piston assembly is the core reciprocating component inside the engine cylinder. It compresses the air-fuel mixture on the upstroke to enable ignition, then transfers the combustion force down to the crankshaft to drive the saw blade. The piston rings create the seal between the piston and the cylinder wall, maintaining compression and preventing oil from entering the combustion chamber. When the rings wear or the piston skirt becomes scored — often from insufficient lubrication or contaminated fuel mix — compression drops, the engine loses power, and starting becomes difficult. Replacing the piston assembly with the correct OEM part restores that seal and returns the engine to full operating output.
For fitment questions or help confirming this is the correct part for your machine, contact the DHS Equipment parts team.
Part Details
| Part Number | HS50092013 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Piston Assembly with Rings |
Compatibility & Fitment
| Name | Model |
|---|---|
| MQ High Speed Cut-Off Saws (Sidewinder) | HS62A |
| STOW High Speed Cut-Off Saws (Sidewinder) | SHS62A |
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.
