Multiquip 21343 Hose Assembly 1/4 ID x 100 Straight Ends

The Multiquip 21343 Hose Assembly 1/4 ID x 100 Straight Ends is a genuine OEM hydraulic hose assembly designed for STX55J6 and STX55Y6 Whiteman ride-on power trowels. As a direct OEM replacement, this assembly is manufactured to the exact specifications of the original component, ensuring a correct, trouble-free installation without the need to source or fabricate custom hose lengths. Verify your model code against STX55J6 and STX55Y6 before ordering to confirm fitment for your machine.

Key Features

• Genuine OEM Construction — Manufactured to the same pressure ratings and hose diameter as the original, ensuring hydraulic integrity throughout the system.
• Correct Hose Geometry — The 1/4 ID x 100 straight-end configuration matches the factory routing exactly, so connections seat properly without stress on fittings.
• Confirmed Fitment — Designed specifically for STX55J6 and STX55Y6 super-sized hydrostatic ride-on trowels; always verify your model code before ordering.
• Hydraulic System Integrity — A correctly functioning hose maintains consistent fluid delivery to blade pitch and drive controls; a leaking or deteriorated hose results in sluggish or unresponsive trowel behavior.
• Pressure-Rated Safety — Hydraulic hose failures can present a fluid injection hazard; using an OEM-spec replacement rated for the system's operating pressure is critical for operator safety.

The hose assembly on a hydrostatic ride-on trowel carries hydraulic fluid under pressure between the pump, control valves, and drive or blade-pitch actuators. This routing is what gives the operator precise, responsive control over machine movement and blade angle. When a hose develops cracks, pinhole leaks, or fitting failures — common results of age, abrasion, or heat cycling — hydraulic pressure drops and the machine loses responsiveness or stops operating altogether. Replacing a worn or damaged hose with the correct OEM assembly restores full system pressure and keeps the trowel performing as intended.

DHS Equipment is an authorized Multiquip parts distributor. For fitment questions or assistance confirming compatibility with your STX55J6 or STX55Y6, contact our parts team directly.

Part Details

Compatibility & Fitment

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.