The Multiquip 1603051052 Pump Plunger is a genuine OEM component designed for KD1800, KD1800KD6, and KD6 series core drills. Sourced directly from Multiquip, this plunger delivers the exact fit and material specification required to keep your core drill's pump system operating at full capacity. Confirmed fitment for KD1800, KD1800KD6, and KD6 models makes this the straightforward, no-guesswork choice for scheduled maintenance or unplanned repairs.
Key Features
- Genuine OEM Construction — Manufactured to Multiquip's original material and dimensional specifications for the pump plunger, ensuring consistent stroke performance and sealing integrity under working pressure.
- Direct-Fit Replacement — Engineered to drop into the pump assembly of KD1800, KD1800KD6, and KD6 core drills exactly as the original, with no rework or shimming needed during installation.
- Broad KD Series Compatibility — Fits KD1800, KD1800KD6, and KD6 core drill models, covering a wide range of Multiquip core drilling equipment with a single part.
- Sustained Hydraulic Output — A correctly functioning plunger maintains consistent fluid displacement through the pump circuit, which is essential for steady drilling force and smooth core drill operation. A worn or damaged plunger causes pressure drop, erratic performance, and accelerated wear on surrounding pump components.
- Pressure System Integrity — In a hydraulic pump circuit, a failed or degraded plunger can result in uncontrolled pressure loss, making prompt replacement with the correct OEM part critical to safe and predictable machine operation.
The pump plunger is a reciprocating component inside the core drill's hydraulic pump that generates and maintains fluid pressure throughout the system. As the plunger moves through its bore, it displaces hydraulic fluid to deliver the force needed to drive drilling operations. When the plunger wears, scores, or loses its sealing capability, the pump loses efficiency — resulting in sluggish or inconsistent drilling, overheating of hydraulic fluid, and potential damage to downstream components. Replacing a worn plunger with a genuine OEM part restores designed pressure output and protects the broader pump assembly.
Part Details
| Part Number | 1603051052 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Pump Plunger |
Compatibility & Fitment
| Name | Model |
|---|---|
| Core Drills | KD1800 |
| Core Drills | KD1800KD6 |
| Core Drills | KD6 |
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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