The Multiquip 11823K4901 Blowby Hose is a genuine OEM component designed for C30HDNI and C30HDN series Mayco concrete pumps, including C30HDNI Precision and C30HDNI Zenith variants. As a direct OEM replacement, this hose is manufactured to the exact routing, diameter, and material specifications required by these machines, ensuring a correct installation with no guesswork. Sourced directly through Multiquip's authorized parts channel, the 11823K4901 delivers the fit and function your concrete pump depends on to stay in service.
Key Features
- OEM-Grade Hose Construction — Built to the exact material and pressure tolerances specified for the blowby circuit on C30HDNI and C30HDN concrete pumps, maintaining proper crankcase ventilation under operating conditions.
- Direct OEM Replacement — Matches the original hose routing, end fittings, and length for a straightforward swap on compatible Mayco pump models.
- Broad Variant Coverage — Fits C30HDNI, C30HDNI Precision, C30HDNI Zenith, and C30HDN models, making it the correct single part number across the C30HD concrete pump family.
- Protects Engine Internals — A properly functioning blowby hose routes crankcase gases safely away from the engine, preventing oil contamination buildup and protecting downstream components from accelerated wear.
- Genuine Multiquip OEM Part — Verified part number 11823K4901, backed by Multiquip's authorized parts supply chain and sold by DHS Equipment.
The blowby hose is part of the engine's crankcase ventilation system, responsible for routing combustion gases that escape past the piston rings away from the engine block. On concrete pump applications like the C30HDNI and C30HDN, keeping this hose in good condition is essential — a cracked, collapsed, or disconnected blowby hose can cause crankcase pressure to build, leading to oil leaks, seal damage, and accelerated engine wear. Replacing a worn or deteriorated hose with the correct OEM part restores proper ventilation and protects the engine from long-term damage.
Part Details
| Part Number | 11823K4901 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Blowby Hose |
Compatibility & Fitment
| Name | Model |
|---|---|
| Mayco Pumps | C30HDNI |
| Mayco Pumps | C30HDNI Precision |
| Mayco Pumps | C30HDN |
| Mayco Pumps | C30HDNI Zenith |
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.
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