The Husqvarna 596783001 Spark Plug is a genuine OEM ignition component designed for the PG400 floor grinder. Sourced directly from Husqvarna, this part is built to the exact heat range, thread pitch, and electrode specification required by the PG400 engine — no guesswork on cross-referencing a close-enough substitute. Confirm part number 596783001 against your parts diagram before ordering to ensure a correct application match. DHS Equipment supplies this part to help keep your equipment running at full capacity.
Key Features
- OEM-Matched Ignition Spec — Built to Husqvarna's exact heat range and electrode gap specification for the PG400, ensuring consistent spark energy and proper combustion timing.
- Direct Thread-In Replacement — Matches the correct thread pitch and reach of the original, so installation is straightforward with no fitting adjustments needed.
- PG400 Floor Grinder Fitment — Verified for the PG400 planetary floor grinder; cross-reference part number 596783001 with your machine's parts diagram to confirm your configuration.
- Consistent Engine Start and Power Output — A correctly specified spark plug maintains clean ignition across the PG400's operating load range, supporting steady motor performance during demanding grinding passes.
- Fuel System Safety Compliance — Using the OEM-specified plug prevents misfires and unburned fuel buildup that can create heat and fuel vapor hazards in enclosed work environments.
A spark plug is the ignition point of the engine's combustion cycle — it delivers the timed electrical spark that ignites the air-fuel mixture inside the cylinder. When a spark plug wears, fouls, or is replaced with an incorrect heat-range substitute, the engine can suffer hard starting, rough idling, misfires under load, and increased fuel consumption. On a floor grinder like the PG400, where consistent engine speed directly affects grinding head performance and surface quality, a worn plug can show up as uneven cutting depth or power loss mid-pass. Replacing it with the correct OEM part restores clean, reliable ignition and brings engine performance back to specification.
Part Details
| Part Number | 596783001 |
|---|---|
| Brand | Husqvarna |
| Part Type | Genuine OEM |
| Description | Spark Plug |
Compatibility & Fitment
| Name | Model |
|---|---|
| Floor Grinder | PG400 |
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.
