The Multiquip 4803 Drain Cap O-Ring is a genuine OEM sealing component designed for the RW3010 roller, QP2B, and QP205SH centrifugal pumps. As a direct OEM replacement, this O-ring is manufactured to the exact material and dimensional tolerances specified for these machines, ensuring a secure, leak-free fit at the drain cap interface. Verify your model code against the fitment list — this part is confirmed for RW3010, QP2B, and QP205SH applications. Sourced directly through authorized Multiquip supply channels, the 4803 is the correct choice when you need a part that installs without guesswork.
Key Features
- OEM Material Specification — Engineered to the precise elastomer compound and compression rating required for a fluid-tight drain cap seal on Multiquip equipment.
- Drop-In Drain Cap Fit — Matches the exact groove diameter and cross-section of the original drain cap seat, seating correctly without trimming or stretching.
- Confirmed Fitment — Compatible with RW3010 rollers and QP2B and QP205SH centrifugal pumps; always cross-reference your model code before ordering.
- Leak Prevention at the Source — A worn or cracked drain cap O-ring allows fluid to seep past the cap, leading to fluid loss, contamination risk, and unplanned servicing; replacing it promptly keeps fluid levels stable and the machine running as intended.
- Genuine OEM Confidence — Sourced as a genuine Multiquip part, the 4803 meets the same standards as the original component installed at the factory.
The drain cap O-ring forms the primary fluid seal between the drain cap and the housing it threads into, preventing oil, water, or hydraulic fluid from escaping during normal operation. When this small sealing ring hardens, cracks, or becomes compressed over time, it loses its ability to conform to the mating surfaces, allowing fluid to weep or leak from the drain point. Replacing the O-ring at the first sign of leakage — or as part of routine drain service — is a low-cost step that protects the larger components it serves.
Part Details
| Part Number | 4803 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Drain Cap O-Ring |
Compatibility & Fitment
| Name | Model |
|---|---|
| Rollers | RW3010 |
| Centrifugal Pumps | QP2B |
| Centrifugal Pumps | QP205SH |
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.
