The Husqvarna 503289024 Piston Ring is a genuine OEM component designed for the K950 and K950Rescue power cutters. Sourced directly from Husqvarna, this piston ring meets the exact dimensional and material specifications required for proper engine sealing in these demanding cut-off saws. Cross-reference part number 503289024 against your parts diagram to confirm fitment before ordering. DHS Equipment supplies this part to help keep your equipment running at full performance.
Key Features
- OEM Compression Seal Integrity — manufactured to Husqvarna's exact ring gap tolerances and material grade, ensuring the combustion chamber seals correctly under high-cycle operating conditions.
- Drop-In Engine Replacement — this ring is dimensioned to seat directly in the piston groove of the K950 engine, requiring no machining or modification to the bore or piston.
- Confirmed Fitment for K950 and K950Rescue — engineered specifically for these power cutters, covering both the standard K950 and the K950Rescue variant.
- Restores Lost Engine Power — a worn piston ring allows combustion gases to bypass the piston, causing hard starting, loss of power, and increased fuel consumption; replacing it with this OEM ring restores full compression and throttle response.
- Fuel System Safety Compliance — using the correct OEM ring maintains the designed combustion integrity of the engine, reducing the risk of uncontrolled exhaust blow-by and excessive oil contamination in the air-fuel circuit.
The piston ring forms a gas-tight seal between the piston and the cylinder wall, allowing the engine to build and hold the compression needed for reliable starting and consistent power delivery. It also helps regulate oil consumption by preventing excess oil from entering the combustion chamber. When a piston ring wears, cracks, or loses its spring tension, compression drops noticeably — the engine becomes difficult to start, runs rough, and loses the cutting power needed to push through hard materials on the job.
Part Details
| Part Number | 503289024 |
|---|---|
| Brand | Husqvarna |
| Part Type | Genuine OEM |
| Description | Piston Ring |
Compatibility & Fitment
| Name | Model |
|---|---|
| Power Cutter | K950 |
| Power Cutter | K950Rescue |
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.
