The Multiquip 68900143 is a genuine OEM Radiator Lower Hose designed for Whiteman hydrostatic ride-on power trowels including the STXD6i, HTXD6i, STX55J6, and STX55Y6. As a factory-sourced component, this hose meets the exact material and dimensional specifications required for proper cooling system function on these machines. Sourced directly from Multiquip, part 68900143 ensures a correct, hassle-free installation with no guesswork on fitment. DHS Equipment stocks genuine Multiquip OEM parts so you can get your trowel back in service fast.
Key Features
- Genuine OEM Construction — Manufactured to Multiquip's exact hose material and wall-thickness specifications, ensuring correct coolant flow rate and pressure tolerance for the engine cooling circuit.
- Direct-Connect Fit — Engineered to match the factory lower radiator port dimensions and clamp positions on the STXD6i, HTXD6i, STX55J6, and STX55Y6, so the hose seats and seals correctly on the first install.
- Confirmed Fitment — Verified for Whiteman hydrostatic ride-on power trowel models STXD6i, HTXD6i, STX55J6, and STX55Y6.
- Cooling System Integrity — A sound lower radiator hose maintains proper coolant circulation to the engine; a cracked or collapsed hose can cause rapid overheating and potential engine damage during finishing operations.
- Long-Term Hose Durability — OEM-grade hose compound resists heat cycling, pressure spikes, and coolant degradation that prematurely break down lower-grade replacement hoses.
The lower radiator hose is a critical link in the engine cooling system, carrying coolant from the bottom of the radiator back to the water pump and engine block. It operates under continuous heat and pressure, and must maintain a secure, leak-free seal to keep coolant circulating efficiently. When this hose cracks, collapses, or develops a leak, coolant loss follows quickly, leading to engine overheating that can force an unplanned shutdown and risk serious internal engine damage.
Part Details
| Part Number | 68900143 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Radiator Lower Hose |
Compatibility & Fitment
| Name | Model |
|---|---|
| Whiteman Ride-On Power Trowels | STXD6i |
| Whiteman Ride-On Power Trowels | HTXD6i |
| 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.
