The Husqvarna 502562901 Idler Pulley Circlip 25mm is a genuine OEM component designed for Husqvarna PG-series floor grinders and DM-series concrete core drills. This circlip is the correct 25mm retaining ring for the idler pulley assembly, providing an exact match for machines including the PG680, PG690, PG690P, PG690RC, PG820, PG830, PG830P, PG830RC, PG5, DM220, and DM230. Sourced directly from Husqvarna, this part meets the original engineering specification for these machines. DHS Equipment supplies this genuine OEM component to help keep your equipment performing at its best.
Key Features
- Genuine OEM Retaining Specification — Manufactured to Husqvarna's original 25mm dimension and material grade, ensuring the circlip seats and locks with the correct retention force for the idler pulley assembly.
- Drop-In Pulley Assembly Fit — Engineered to the exact groove dimensions of the idler pulley shaft, allowing straightforward installation without reworking or adapting surrounding components.
- Broad PG and DM Series Compatibility — Confirmed fitment across Husqvarna PG680, PG690, PG690P, PG690RC, PG820, PG830, PG830P, PG830RC, PG5 floor grinders, and DM220 and DM230 concrete core drills.
- Drive System Integrity — A correctly seated circlip keeps the idler pulley locked on its shaft, maintaining proper belt tension and alignment. A missing or failed circlip allows pulley movement that accelerates belt and bearing wear.
- Part Number Confidence — Cross-reference 502562901 against your machine's parts diagram to confirm the correct position before ordering.
The idler pulley circlip is a small but critical retaining ring that locks the idler pulley in position on its shaft within the drive belt system. By holding the pulley firmly in place, it ensures consistent belt tracking and tension — both essential for steady power transfer to the grinding heads or drill motor. When this circlip is worn, deformed, or missing, the idler pulley can shift laterally on the shaft, causing belt misalignment, premature belt failure, and uneven load on surrounding bearings. Replacing a damaged circlip with the correct Husqvarna OEM part restores the mechanical integrity of the pulley assembly and keeps the drive system operating as designed.
Part Details
| Part Number | 502562901 |
|---|---|
| Brand | Husqvarna |
| Part Type | Genuine OEM |
| Description | Idler Pulley Circlip 25mm |
Compatibility & Fitment
| Name | Model |
|---|---|
| Floor Grinder | PG680 |
| Floor Grinder | PG820 |
| Concrete Core Drill | DM220 |
| Dust & Slurry Equipment | DC5500 |
| Floor Grinder | PG5 |
| Floor Grinder | PG690 |
| Floor Grinder | PG690P |
| Floor Grinder | PG690RC |
| Floor Grinder | PG830 |
| Floor Grinder | PG830P |
| Floor Grinder | PG830RC |
| Concrete Core Drill | DM230 |
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.
