The Multiquip 03784001 Breather Hose is a genuine OEM component designed for RAMMAX walk-behind roller models including RW1404, RW1404MR, and RW1504HF. As a direct Multiquip OEM part, 03784001 is manufactured to the same specifications as the original component installed at the factory, ensuring a correct, trouble-free fit. Confirmed fitment covers RW1404MR units from S/N 326075 and up, RW1504HF units up to S/N, and all standard RW1404 and RW1404MR roller configurations.
Key Features
- Genuine OEM Construction — Produced to Multiquip's original material and dimensional standards, ensuring the hose maintains proper airflow and sealing performance in roller service conditions.
- Direct-Fit Replacement — Engineered to connect to the existing breather ports without alteration, making installation straightforward for technicians familiar with RAMMAX roller servicing.
- Confirmed Roller Fitment — Compatible with RW1404, RW1404MR (S/N 326075 and up), and RW1504HF (up to S/N 1534188) walk-behind roller models.
- Crankcase Pressure Control — A correctly functioning breather hose allows the engine to vent excess crankcase pressure safely; a cracked or collapsed hose can cause oil leaks, rough running, or accelerated engine wear.
- Fuel and Vapor Compatibility — The hose material is suited to handle oil vapors and exhaust blowby gases typical of small engine applications, maintaining flexibility and sealing integrity over extended service intervals.
A breather hose routes crankcase vapors away from the engine block and, in many small engine systems, back into the air intake to be burned off cleanly rather than vented to atmosphere. This prevents pressure buildup inside the crankcase that would otherwise force oil past gaskets and seals, leading to leaks and lubrication loss. When the hose cracks, collapses, or disconnects, operators typically notice oil seepage around the engine, increased smoke, or a rough-running machine — all signs the component needs immediate attention.
For fitment questions or to confirm compatibility with your specific serial number, contact the DHS Equipment team before ordering.
Part Details
| Part Number | 03784001 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Breather Hose |
Compatibility & Fitment
| Name | Model |
|---|---|
| Rollers | RW1404MR S/N 326075 and up |
| Rollers | RW1504HF up to S/N 1534188 |
| Rollers | RW1404 |
| Rollers | RW1404MR |
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.
