Multiquip 01864502 Injection Pump 1D81Z

The Multiquip 01864502 Injection Pump 1D81Z is a genuine OEM component designed for the MVH508DZ reversible plate compactor. Sourced directly from Multiquip, this part meets the original engineering specifications for the 1D81Z diesel fuel injection system. Verified fitment for the MVH508DZ ensures this pump installs correctly without modification to the fuel delivery circuit. DHS Equipment stocks this OEM part to support contractors who depend on their heavy-duty compaction equipment staying operational through demanding schedules.

Key Features

• Genuine OEM Fuel Delivery Precision — Built to the exact injection timing and flow specifications of the original 1D81Z system, maintaining correct fuel atomization and combustion efficiency.
• Direct-Mount Replacement — Matches the original mounting configuration and fuel line connections on the MVH508DZ, allowing a straightforward swap into the existing injection circuit.
• Confirmed MVH508DZ Fitment — Verified for the MVH508DZ reversible plate compactor, taking the guesswork out of sourcing the correct injection pump for this machine.
• Restored Engine Performance — A functioning injection pump delivers consistent fuel pressure and spray pattern; a worn or failing pump causes hard starting, rough running, and loss of compaction force.
• Fuel System Integrity — As a critical component in a diesel fuel circuit, using the correct OEM-spec pump helps prevent fuel leaks and maintains safe, controlled injection pressure during operation.

The injection pump is responsible for pressurizing diesel fuel and delivering it to the injectors at precisely the right moment in the engine's combustion cycle. On diesel-powered plate compactors like the MVH508DZ, the pump must maintain consistent output pressure to keep the engine running smoothly under load. When the injection pump wears out or fails, symptoms typically include difficulty starting, uneven engine speed, excessive smoke, or a complete loss of power — all of which directly compromise compaction output and operator productivity.

For questions about fitment or to confirm this is the correct part for your machine, contact the DHS Equipment team before ordering.

Part Details

Compatibility & Fitment

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.