The Husqvarna 502542901 Potentiometer is a genuine OEM component designed for the PG680 and PG820 floor grinders. Sourced directly from Husqvarna, this part meets the original build specification for these planetary floor grinders, ensuring the speed control circuit performs exactly as intended. DHS Equipment supplies this part to help keep your equipment running at full productivity on the grinding floor.
Key Features
- OEM-Spec Resistance Tolerance — manufactured to Husqvarna's original electrical specification, delivering the correct resistance range for accurate speed signal output on these floor grinders.
- Direct Drop-In Replacement — matches the original connector interface and mounting configuration of the PG680 and PG820, allowing straightforward installation without modification.
- Confirmed Fitment for PG680 and PG820 — cross-reference part number 502542901 against your parts diagram to verify compatibility with your specific floor grinder model.
- Restored Speed Control Response — a functioning potentiometer delivers smooth, consistent operator control over grinding head speed; a worn or failed unit causes erratic speed response or complete loss of variable control.
- Electrical Safety Compliance — using a genuine OEM electrical component maintains the integrity of the machine's control circuit, avoiding the risk of unintended speed fluctuation during operation.
A potentiometer is a variable resistor that translates the operator's speed-control input into an electrical signal the machine's controller uses to regulate motor output. On planetary floor grinders like the PG680 and PG820, precise speed control is essential for achieving consistent surface finishes across different coatings, substrates, and tooling types. When the potentiometer wears or fails, the operator loses the ability to hold a steady grind speed, which can result in uneven surface preparation, tool overload, or an unresponsive throttle control.
Part Details
| Part Number | 502542901 |
|---|---|
| Brand | Husqvarna |
| Part Type | Genuine OEM |
| Description | Potentiometer |
Compatibility & Fitment
| Name | Model |
|---|---|
| Floor Grinder | PG680 |
| Floor Grinder | PG820 |
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.
