The Multiquip M805834 Gasket 4020Eab Sth55Hp is a genuine OEM component designed for STX55J6 and STX55Y6 hydrostatic ride-on power trowels. Sourced directly from Multiquip, this gasket delivers the exact material composition and dimensional tolerances required to maintain a proper seal in demanding concrete finishing applications. Verified fitment for STX55J6 and STX55Y6 machines means you can order with confidence knowing M805834 is the correct part for your equipment. DHS Equipment stocks genuine Multiquip OEM parts to keep your trowel running at full capacity.
Key Features
- Genuine OEM Sealing Integrity — Manufactured to Multiquip's exact material and compression specifications for the STX55 platform, ensuring a leak-free seal under sustained hydraulic and mechanical load.
- Drop-In Replacement — Matches the original gasket profile and bolt-pattern alignment, allowing straightforward installation without machining or modification to mating surfaces.
- Confirmed Fitment — Directly compatible with STX55J6 and STX55Y6 hydrostatic ride-on power trowels.
- Sustained Engine or System Sealing — A correctly seated gasket prevents fluid or pressure loss that would otherwise lead to overheating, power loss, or accelerated wear on adjacent components.
- Fuel and Fluid System Safety — Proper gasket integrity is critical to preventing hazardous leaks in fuel or hydraulic circuits; using a genuine OEM part ensures the seal meets the original design standard for your machine.
A gasket creates a static seal between two mating surfaces — such as an engine block, cover, or fluid housing — preventing the escape of oil, fuel, coolant, or pressurized gases. In a hydrostatic ride-on trowel like the STX55 series, maintaining tight, leak-free seals is essential for consistent hydraulic pressure, engine reliability, and operator safety. When a gasket deteriorates or fails, fluid leaks can cause overheating, loss of drive response, and potential damage to surrounding components, making timely replacement critical to protecting the rest of the machine.
For questions about fitment or to confirm M805834 is the right part for your machine, contact the DHS Equipment parts team for assistance.
Part Details
| Part Number | M805834 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Gasket 4020Eab Sth55Hp |
Compatibility & Fitment
| Name | Model |
|---|---|
| Whiteman Ride-On Power Trowels | STX55J6 |
| Whiteman Ride-On Power Trowels | STX55Y6 |
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.