The Multiquip 01390621 Piston with Rings is a genuine OEM component designed for the MVH308DZ reversible plate compactor. Sourced directly through Multiquip's authorized parts program, this piston assembly delivers the exact dimensions and ring tolerances required to restore proper compression and engine output on your MVH308DZ. If your machine is burning oil, losing power, or showing signs of worn ring seals, this is the direct replacement your engine needs.
Key Features
- Genuine OEM Compression Integrity — Manufactured to the exact bore diameter and ring groove specifications required by the MVH308DZ engine, ensuring proper cylinder sealing from the first start.
- Complete Piston and Ring Assembly — Ships as a matched set so rings, lands, and pin clearances are already optimized — no sourcing individual components separately.
- Direct Fit for MVH308DZ — Engineered specifically for the MVH308DZ reversible plate compactor; installs into the cylinder bore without modification to the block or connecting rod.
- Restored Engine Output — A worn piston or degraded rings cause loss of compression, increased oil consumption, and reduced compaction force; this assembly brings the engine back to its rated operating condition.
- Fuel System Efficiency — Proper ring seal maintains the correct air-fuel compression ratio in the combustion chamber, supporting consistent fuel burn and preventing raw fuel from entering the crankcase.
The piston and rings form the core of the engine's combustion cycle. The piston travels up and down inside the cylinder bore, compressing the air-fuel mixture and transferring combustion force to the crankshaft through the connecting rod. The rings seated around the piston create a tight seal against the cylinder wall, preventing combustion gases from escaping downward and keeping oil from entering the combustion chamber. When rings wear or a piston is damaged, compression drops, power output falls, and oil consumption rises — symptoms that worsen quickly under the sustained load demands of a reversible plate compactor like the MVH308DZ.
For fitment questions or to confirm this part is correct for your serial number, contact the DHS Equipment parts team before ordering.
Part Details
| Part Number | 01390621 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Piston with Rings |
Compatibility & Fitment
| Name | Model |
|---|---|
| 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.