The Multiquip 21045K4921 Water Pipe A-15 is a genuine OEM component designed for the C30HDN concrete pump. As a direct OEM replacement, this pipe is manufactured to the exact specifications of the original part, ensuring correct fit and proper flow within the water circuit of your machine. Verify your model code against C30HDN before ordering to confirm compatibility.
Key Features
- OEM-Grade Material Construction — Manufactured to the original material and dimensional specifications, maintaining the correct flow characteristics and pressure tolerance required in the water circuit of the C30HDN.
- Direct-Fit Replacement — Engineered to connect at the same port locations and with the same geometry as the original, allowing a straightforward swap without rework or adapter fittings.
- Confirmed C30HDN Compatibility — Sourced specifically for the Mayco C30HDN concrete pump; part number 21045K4921 is matched directly to this model in the OEM parts catalog.
- Consistent Water Circuit Performance — A correctly seated water pipe maintains steady flow through the cooling or lubrication circuit; a cracked or failed pipe can lead to overheating or pump seizure during operation.
- Genuine Multiquip OEM Part — Supplied through an authorized Multiquip parts channel, so you receive the correct part the first time without fitment guesswork.
The water pipe in a concrete pump like the C30HDN is responsible for routing water through the machine's internal circuit — typically supporting piston lubrication, cooling, or both, depending on configuration. When this pipe develops a leak or fractures, water pressure drops and critical components no longer receive adequate lubrication or cooling, which can accelerate wear or cause the pump to shut down mid-pour. Replacing a damaged water pipe promptly with the correct OEM part keeps the pump operating at the pressure and flow rates it was built for.
Part Details
| Part Number | 21045K4921 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Water Pipe A-15 |
Compatibility & Fitment
| Name | Model |
|---|---|
| Mayco Pumps | C30HDN |
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.
