The Multiquip 50631000 Stem Cap Seal is a genuine OEM component designed for MVH408DZ and MVH308DZ reversible plate compactors. As a direct OEM replacement, this seal is manufactured to the same specifications as the original part, ensuring a proper fit within the compactor's hydraulic or valve stem assembly. Sourced directly through authorized Multiquip distribution channels, part number 50631000 is the correct service replacement for these MVH-series heavy-duty reversible plates.
Key Features
- OEM-Grade Sealing Material — Manufactured to original material and compression specifications, maintaining consistent sealing performance under the operating pressures of reversible plate compactor systems.
- Direct Drop-In Fit — Engineered to seat correctly on the valve stem assembly without alteration, making installation straightforward for experienced technicians.
- Confirmed MVH-Series Compatibility — Verified fitment for MVH408DZ and MVH308DZ reversible plate compactors, eliminating guesswork when ordering service parts.
- Prevents Fluid Bypass and Pressure Loss — A properly functioning stem cap seal keeps hydraulic or control fluid contained at the stem, allowing the compactor's exciter system to operate at full designed output.
- Fluid Containment Compliance — Maintaining an intact stem seal prevents external leaks that could create a slip hazard on the work surface and affect machine control — making timely seal replacement a sound operational practice.
A stem cap seal forms a critical barrier at the valve or actuator stem, preventing fluid from escaping past the stem's outer surface. In a reversible plate compactor like the MVH408DZ and MVH308DZ, this seal supports the hydraulic or exciter control circuit by keeping pressure contained where it is needed. When the seal wears, cracks, or deforms, fluid can bypass the stem, causing pressure drop, erratic directional control, external leakage, and accelerated wear on surrounding components — making it one of the smaller parts that has an outsized effect on overall machine performance.
For fitment questions or help confirming the right part for your machine, contact the DHS Equipment team before ordering.
Part Details
| Part Number | 50631000 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Stem Cap Seal |
Compatibility & Fitment
| Name | Model |
|---|---|
| Plate Compactors | MVH408DZ |
| Plate Compactors | MVH308DZ |
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.
