The Multiquip HS094500007 Piston Pin is a genuine OEM component designed for HS81, SHS81A, and HS81A series handheld cut-off saws. As an OEM part, it is manufactured to the exact tolerances required by Multiquip, ensuring a direct installation fit within the engine assembly. This pin is the correct factory replacement for all three saw models listed, covering both MQ and STOW Sidewinder high-speed cut-off saw variants. Keeping this critical engine component in sound condition directly affects the performance, compression, and longevity of your saw.
Key Features
- Exact OEM Tolerancing — Manufactured to factory-specified diameter and hardness for consistent wrist pin fit and proper compression transfer within the engine bore.
- Drop-In Engine Fit — Designed to seat directly into the connecting rod and piston of compatible saws without reworking or adapting surrounding components.
- Broad Sidewinder Compatibility — Fits HS81, HS81A, and SHS81A handheld high-speed cut-off saws, covering both MQ and STOW branded Sidewinder models.
- Sustained Power Stroke Integrity — A properly fitted piston pin maintains the precise alignment between the piston and connecting rod, preserving full power output and smooth blade speed under load.
- Fuel System & Engine Safety Relevance — A worn or loose piston pin introduces lateral play that accelerates cylinder wall wear and can lead to catastrophic engine failure mid-cut — genuine OEM material grade prevents premature wear.
The piston pin — also called a wrist pin — connects the piston to the small end of the connecting rod inside the engine. It transfers the force of combustion from the piston down through the connecting rod to drive the crankshaft and, ultimately, the cutting blade. When a piston pin wears, becomes scored, or develops side play, the piston loses proper alignment within the cylinder, causing increased friction, loss of compression, and accelerated wear to the bore and rings. Replacing it with a correctly dimensioned OEM part restores the tight clearances the engine needs to run efficiently and reliably.
Part Details
| Part Number | HS094500007 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Piston Pin |
Compatibility & Fitment
| Name | Model |
|---|---|
| MQ High Speed Cut-Off Saws (Sidewinder) | HS81 |
| STOW High Speed Cut-Off Saws (Sidewinder) | SHS81A |
| MQ High Speed Cut-Off Saws (Sidewinder) | HS81A |
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.