The Multiquip HS018600090A is a genuine OEM Air Filter Lower Gasket designed for HS62, HS62A, HS81, HS81A, SHS62A, and SHS81A high-speed cut-off saws. As a factory-sourced component, this gasket is manufactured to the exact material and dimensional specifications required by these handheld saws, ensuring a proper seal between the air filter housing and the carburetor or intake assembly. Verified against Multiquip's OEM parts catalog, the part is a direct-fit replacement for both MQ and STOW Sidewinder series models.
Key Features
- OEM Sealing Material: — Manufactured to exact compression and material specs, delivering an airtight seal that the air filter housing depends on to protect the engine.
- Drop-In Replacement: — Matches the original mounting profile and thickness, seating correctly without trimming or modification during installation.
- Broad Sidewinder Compatibility: — Confirmed fitment across HS62, HS62A, HS81, HS81A, SHS62A, and SHS81A high-speed cut-off saw models.
- Engine Protection: — A intact lower gasket prevents unfiltered air and debris from bypassing the air filter element, protecting the engine from premature wear and carburetor contamination.
- Fuel System Safety: — A failed or cracked air filter gasket can cause lean-running conditions and erratic engine behavior; replacing it promptly keeps the fuel-air mixture within safe operating range.
The air filter lower gasket forms a compression seal between the base of the air filter housing and the carburetor intake on handheld cut-off saws. Its role is to prevent unfiltered air, dust, and concrete particulate from entering the engine, which is critical on a saw used in high-debris cutting environments. When this gasket deteriorates or cracks, the engine may run rough, lose power, or experience accelerated internal wear due to contaminated intake air.
For fitment questions or help confirming compatibility with your specific unit, contact the DHS Equipment team directly.
Part Details
| Part Number | HS018600090A |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Air Filter Lower Gasket |
Compatibility & Fitment
| Name | Model |
|---|---|
| MQ High Speed Cut-Off Saws (Sidewinder) | HS62 |
| MQ High Speed Cut-Off Saws (Sidewinder) | HS62A |
| MQ High Speed Cut-Off Saws (Sidewinder) | HS81 |
| STOW High Speed Cut-Off Saws (Sidewinder) | SHS81A |
| MQ High Speed Cut-Off Saws (Sidewinder) | HS81A |
| 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.