The Multiquip 3-66621 Hydraulic Hose AC40P4B is a genuine OEM replacement hose designed for the AC40P4B. Sourced directly from Multiquip, this hose is manufactured to the exact routing, diameter, and end-fitting specifications of the original component — ensuring a secure, leak-free connection when installed. It is the correct service part for restoring hydraulic system integrity on AC40P4B equipment.
Key Features
- OEM-Grade Hydraulic Construction — Built to withstand the pressure cycles, temperature ranges, and fluid compatibility demands specific to the AC40P4B hydraulic circuit.
- Exact Routing and End-Fitting Match — Hose length, bend profile, and fitting connections are engineered to the original layout, allowing straightforward installation without rerouting or adapters.
- Confirmed Fitment for AC40P4B — Part number 3-66621 is verified as the correct hydraulic hose for AC40P4B machines, eliminating guesswork at the parts counter.
- Leak-Free Hydraulic Performance — A properly seated OEM hose maintains consistent hydraulic pressure, preventing flow loss that can cause sluggish or erratic operation of hydraulically driven functions.
- Genuine Multiquip OEM Part — Backed by Multiquip's parts program, this is not a generic hose cut to length — it is the exact assembly specified for this application.
A hydraulic hose carries pressurized fluid between the pump, control valves, and actuators that power the machine's hydraulic functions. When a hose cracks, abrades, or develops a fitting leak, hydraulic pressure drops and the affected system loses responsiveness or stops functioning altogether. Replacing a failed hose with the correct OEM assembly — matching the original pressure rating, length, and fittings — restores full hydraulic flow and keeps the system operating within its designed parameters.
Part Details
| Part Number | 3-66621 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Hydraulic Hose AC40P4B |
Compatibility & Fitment
| Name | Model |
|---|---|
| AC40P4B | AC40P4B |
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.
