The Multiquip 050102300 O-Ring MRX-440A is a genuine OEM sealing component designed for the MRX-440A. Sourced directly from Multiquip, this O-ring is manufactured to the exact material grade and dimensional specification required for a proper, leak-free seal. If you are servicing or rebuilding your MRX-440A, using the correct OEM O-ring ensures the assembly performs as intended from the first startup. DHS Equipment stocks this part and can help you confirm fitment before you order.
Key Features
- OEM Material Specification — Manufactured to the precise elastomer compound and durometer rating required for this sealing application, ensuring correct compression and long-term integrity.
- Exact Dimensional Match — Engineered to the original cross-section diameter and inner diameter of the MRX-440A application, so it seats correctly in the groove without modification.
- MRX-440A Fitment — Confirmed genuine OEM replacement for the Multiquip MRX-440A, part number 050102300.
- Leak Prevention — A correctly installed O-ring maintains the pressure boundary between mating components; a cracked or deformed O-ring causes fluid or air leaks that lead to system pressure loss and contamination.
- Fuel and Fluid System Safety — Where used in fuel or hydraulic circuits, an OEM-spec O-ring with the correct chemical resistance prevents seepage that can create a fire or contamination hazard.
An O-ring is a precision-formed circular seal that sits in a machined groove between two mating surfaces, creating a barrier that prevents fluid, air, or gas from escaping the assembly. When an O-ring hardens, cracks, or loses its original cross-section shape due to wear, heat, or chemical exposure, it can no longer maintain a consistent seal — resulting in leaks, loss of system pressure, or contamination of surrounding components. Replacing a worn O-ring with the correct OEM part restores the sealing surface to its original specification and protects the integrity of the system it serves.
Part Details
| Part Number | 050102300 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | O-Ring MRX-440A |
Compatibility & Fitment
| Name | Model |
|---|---|
| MRX-440A | MRX-440A |
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.
