The Multiquip 12488 O-Ring is a genuine OEM sealing component designed for STH series hydrostatic ride-on trowels. As a direct OEM replacement, it is manufactured to the exact material and dimensional specifications required by Multiquip, ensuring a proper, leak-free seal without the guesswork of aftermarket alternatives. This O-Ring is the correct part for STH hydrostatic trowel applications and is sourced directly through authorized Multiquip supply channels. DHS Equipment stocks this part so you can get your machine back to work without unnecessary delays.
Key Features
- OEM-Grade Seal Material — Manufactured to Multiquip's exact compound and durometer specifications, ensuring the correct compression and chemical resistance for hydraulic trowel environments.
- Direct Seating Fit — Dimensioned to seat correctly in the OEM groove without stretching, pinching, or reworking the sealing surface.
- STH Series Compatibility — Confirmed fitment for STH hydrostatic ride-on trowels, so you can order with confidence for that specific platform.
- Leak Prevention Where It Counts — A compromised O-Ring in a hydrostatic system can allow fluid bypass, causing pressure loss and unpredictable blade or drive response; replacing it promptly restores system integrity.
- Hydraulic System Safety — In hydrostatic trowels, sealing integrity directly affects control responsiveness; a correct OEM O-Ring helps ensure the machine responds predictably under load.
An O-Ring is a precision sealing element used throughout hydraulic and fluid systems to prevent leakage between mating components. In a hydrostatic ride-on trowel like the STH series, O-Rings are critical at connection points within the hydraulic circuit that controls both blade pitch and machine drive. When an O-Ring degrades, cracks, or is pinched during assembly, it allows fluid to bypass the seal, leading to pressure loss, inconsistent blade control, or visible hydraulic leaks. Replacing a worn O-Ring with the correct OEM part restores the sealed system and prevents secondary damage to surrounding hydraulic components.
Part Details
| Part Number | 12488 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | O-Ring |
Compatibility & Fitment
| Name | Model |
|---|---|
| Hydrostatic Ride-On Trowels | STH |
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.
