The Multiquip HS098000312A Piston Assembly with Rings is a genuine OEM component designed for the HS-81 handheld saw. As a factory-sourced assembly, it ships complete with piston and rings, delivering the exact specification required for a proper engine rebuild on HS-81 equipment. DHS Equipment supplies this part direct, so you get the correct assembly the first time without chasing down individual components.
Key Features
- OEM-Matched Piston Tolerances — Manufactured to the exact bore diameter and compression height specified for the HS-81 engine, ensuring correct compression and ring seal from the first start-up.
- Complete Assembly — Supplied as a full piston assembly with rings pre-included, eliminating the guesswork of sourcing rings separately and ensuring all components are matched to one another.
- Direct HS-81 Fitment — Engineered specifically for the Multiquip HS-81 handheld saw; drops into the cylinder bore using standard rebuild procedures without improvised fitting.
- Restores Full Engine Output — A worn or scored piston leads to loss of compression, hard starting, and reduced cutting power; replacing it with HS098000312A returns the saw to its rated performance.
- Genuine OEM Sourcing — Produced under Multiquip quality standards, giving you a part built to the same specification as the original component that left the factory.
The piston assembly is the core reciprocating component inside the engine cylinder. It compresses the air-fuel mixture to generate combustion power and transfers that force through the connecting rod to drive the crankshaft. The rings seated around the piston create a gas-tight seal against the cylinder wall, preventing combustion gases from escaping into the crankcase and keeping oil out of the combustion chamber. When the piston or rings wear, compression drops, the engine runs rough or fails to start, oil consumption increases, and cutting performance suffers — making timely replacement critical to keeping the saw operational.
Part Details
| Part Number | HS098000312A |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Piston Assembly with Rings |
Compatibility & Fitment
| Name | Model |
|---|---|
| HS-81 | HS-81 |
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.
