The Multiquip 597383 Spark Plug is a genuine OEM component designed for a wide range of Multiquip equipment including J36-M30 and CA4HC/CA5BC series Whiteman power trowels, MVH408GV and MVH508GV plate compactors, and QP2B, QP2TB, QP303B, and QP4TB pumps. As a factory-authorized replacement, this spark plug meets the exact specifications required by each compatible machine, ensuring consistent ignition performance across every application it serves. Sourced directly through the Multiquip OEM parts program, part number 597383 is the correct, verified replacement for all listed models — no guesswork required when ordering.
Key Features
- Correct Ignition Specification — Matched to the heat range, thread pitch, and electrode gap required by Multiquip-spec engines across trowel, compactor, and pump applications.
- Genuine OEM Part — Factory-authorized 597383 spark plug manufactured to the same standard as the original component installed at the point of assembly.
- Broad Cross-Equipment Fitment — Confirmed fit for J36-M30, CA4HC, CA5BC, MVH408GV, MVH508GV, QP2B, QP2TB, QP303B, and QP4TB models.
- Clean, Consistent Combustion — A properly functioning spark plug delivers a reliable ignition spark at every cycle; a worn or fouled plug causes hard starting, rough running, and increased fuel consumption.
- Drop-In Service Replacement — Installs directly into the cylinder head using the standard thread pattern for each compatible engine — a routine service item with no special tooling required beyond a spark plug socket.
A spark plug is the final link in the ignition chain — it receives high-voltage current from the ignition coil and fires a spark across its electrode gap to ignite the air-fuel mixture inside the engine cylinder. The timing and quality of that spark directly affects how cleanly and efficiently the engine starts and runs. When a spark plug wears out or becomes fouled with carbon deposits, the engine may become difficult to start, idle roughly, lose power, or consume more fuel than normal. Replacing the spark plug at regular service intervals — or any time these symptoms appear — restores clean combustion and keeps the engine running at its rated output.
Part Details
| Part Number | 597383 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Spark Plug |
Compatibility & Fitment
| Name | Model |
|---|---|
| Whiteman Ride-On Power Trowels | J36-M30 |
| Whiteman Walk-Behind Power Trowels | CA4HC/CA5BC |
| Whiteman Walk-Behind Power Trowels | J36-M30 Series |
| Plate Compactors | MVH408GV |
| Centrifugal Pumps | QP2B |
| Centrifugal Pumps | QP2TB |
| Plate Compactors | MVH508GV |
| Centrifugal Pumps | QP303B |
| Centrifugal Pumps | QP4TB |
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.
