The Multiquip 42459 is a genuine OEM Rubber Hose Low Perm 145 PSI designed for PRX hybrid ride-on power floats, STXDF and HTXG6DF and HTX6H hydrostatic ride-on trowels, LS300GK and LS300G concrete pumps, and MQ600H, MQ600HTB, and MQ600HTP trash pumps. This is a direct OEM replacement sourced from Multiquip, ensuring the correct 0.3125-inch inner diameter, low-permeation construction, and 145 PSI pressure rating are maintained across every application it serves. Spanning 11.4 feet in length, this hose is engineered to meet the original routing and connection requirements of each compatible machine without alteration. Keeping the correct hose in service protects both machine performance and operator safety across this wide range of Multiquip equipment families.
Key Features
- Low-Permeation Rubber Construction — The low-perm rubber compound resists fuel and fluid vapor transmission, maintaining fluid integrity and reducing evaporative loss over the service life of the hose.
- 145 PSI Pressure Rating — Rated to handle up to 145 PSI, this hose maintains structural integrity under the operating pressures found in ride-on trowel hydraulic and fuel circuits, concrete pump fluid lines, and trash pump discharge systems.
- 0.3125-Inch Bore Diameter at 11.4 Feet — The precise inner diameter and full 11.4-foot length match the OEM routing specifications, allowing a direct swap without cutting, splicing, or adapting the line.
- Broad Cross-Family Fitment — Confirmed for PRX, STXDF, HTXG6DF, HTX6H, LS300GK, LS300G, MQ600H, MQ600HTB, and MQ600HTP — a single part number covering multiple Multiquip equipment families.
- Genuine OEM Part — Supplied as a genuine Multiquip OEM component, part 42459 meets the original material and dimensional standards set during machine production, not an approximation of them.
- Fuel System Safety Compliance — Low-permeation hose construction is specifically required in fuel and emissions-sensitive circuits; using the correct OEM spec hose helps maintain compliance with the machine's original emissions and safety design.
A rubber hose in this application carries pressurized fluid — whether fuel, hydraulic oil, or liquid media — between system components such as tanks, pumps, valves, and engines. The low-permeation rating means the hose wall resists absorption and vapor migration of hydrocarbons, which is critical in fuel delivery and emissions-regulated circuits. When a hose degrades — through cracking, swelling, hardening, or pinhole wear — it can cause pressure loss, fluid leaks, or system contamination, any of which will interrupt machine operation and create a potential safety hazard. Replacing a worn hose with the correct OEM specification part restores the circuit to its intended operating condition.
Part Details
| Part Number | 42459 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Rubber Hose Low Perm 145 PSI |
Compatibility & Fitment
| Name | Model |
|---|---|
| Ride-On Power Float | PRX |
| Whiteman Ride-On Power Trowels | STXDF |
| Concrete Pumps | LS300GK |
| Mayco Pumps | LS300G |
| Trash Pumps | MQ600HTP |
| Trash Pumps | MQ600HTB |
| Trash Pumps | MQ600H |
| Whiteman Ride-On Power Trowels | HTXG6DF |
| Whiteman Ride-On Power Trowels | HTX6H |
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.
