The Husqvarna 503632901 Screw Idle Speed is a genuine OEM component designed for the K1250, K1260, and 3122K power cutters. As a factory-original part, it delivers the exact thread pitch, material grade, and dimensional tolerancing required for correct carburetor adjustment on these machines. This Screw Idle Speed is a direct replacement that installs without modification, restoring the precise idle calibration your cutter depends on. DHS Equipment supplies this part to help keep your equipment running at peak performance.
Key Features
- OEM Carburetor Spec Accuracy — Manufactured to Husqvarna's exact thread and dimensional specifications, ensuring the adjustment range and mechanical feel match the original idle speed screw.
- Direct Drop-In Replacement — Engineered to fit the carburetor assembly of K1250, K1260, and 3122K power cutters, seating correctly without reworking the surrounding components.
- Broad Power Cutter Compatibility — Confirmed fitment across the K1250, K1260, and 3122K — three of Husqvarna's high-output handheld power cutter models.
- Restored Idle Stability — A correctly set idle speed screw keeps the engine running smoothly at low throttle, preventing stalling during work transitions and reducing unnecessary engine stress.
- Fuel System Integrity — Proper idle adjustment directly affects air-fuel mixture at idle; a stripped or missing screw can cause erratic idling, over-fueling, or hard starting — all resolved by replacing this component with the genuine OEM part.
The Screw Idle Speed is a precision adjustment component mounted in the carburetor that controls the engine's minimum running speed when the throttle is released. By setting the idle speed to the manufacturer's specified RPM, this screw ensures the engine remains running smoothly between cuts without the blade engaging at rest. When the screw is worn, stripped, or incorrectly adjusted, operators may experience persistent stalling, an erratic idle, or difficulty maintaining consistent engine speed — all of which interrupt workflow and place additional load on the carburetor and ignition system. Replacing this part with the genuine Husqvarna 503632901 restores accurate idle calibration and correct carburetor function.
Part Details
| Part Number | 503632901 |
|---|---|
| Brand | Husqvarna |
| Part Type | Genuine OEM |
| Description | Screw Idle Speed |
Compatibility & Fitment
| Name | Model |
|---|---|
| Power Cutter | K1250 |
| Power Cutter | K1260 |
| Power Cutter | 3122K |
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.
