Husqvarna Throttle Cable - 578867801
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Blueperry agriculture (UK)Husqvarna Throttle Cable Comp 578867801
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Product Information
Full details
The Husqvarna Throttle Cable (part number 578867801) is designed for professional landscapers and homeowners who need to restore precise engine speed control to their Husqvarna garden equipment. This genuine OEM replacement part ensures smooth operation and reliable performance, though users should be prepared for a slightly technical installation process that requires basic mechanical familiarity with trimmer housings.
All features
| Model Part Number | 578867801 |
|---|---|
| Brand | Husqvarna |
Extended Product Information
FAQs
Is this a universal throttle cable?
No, this is a model-specific OEM cable designed for the Husqvarna 300 and 500 series listed in the compatibility guide.
Do I need special tools to replace this?
You will typically need standard screwdrivers and needle-nose pliers to remove the housing and secure the cable ends.
How do I know if my cable is stretched?
If you notice a significant gap between the trigger activation and the engine RPM increasing, your cable is likely stretched.
Can I lubricate the cable?
While the inner liner is usually self-lubricating, you can use a small amount of dry PTFE lubricant if you feel persistent friction, though usually unnecessary.
Does this cable include the trigger assembly?
No, this package contains the throttle cable only.
Troubleshooting
Engine does not accelerate when trigger is pulled
Check if the cable has slipped from the carburetor linkage or is improperly seated at the handle.
Throttle feels stiff or sticky
Check the cable routing for sharp bends or kinks and ensure no debris is stuck in the trigger housing.
Engine stays at high RPM even when trigger is released
Verify that the cable has proper tension and that the return spring on the carburetor is functioning correctly.
Pros and Cons
Pros
- Ensures exact OEM fitment for multiple Husqvarna models
- Restores smooth and predictable throttle operation
- High-quality construction prevents premature fraying
- Helps maintain consistent engine performance
Cons
- Installation requires access to the internal engine housing
- Does not include specific tools for installation
- Must be carefully routed to avoid kinks during setup
Setup, Compatibility & Care
Before starting, consult your specific model's user manual to gain access to the throttle assembly. Ensure the unit is powered off and the spark plug wire is disconnected. Compatibility includes models such as 322L, 325HE3, 325HE4, 522L, 524L, 525DEPS, 525ECS, 525ES, 525HE3, 525HE4, 525HF3S, 525L, 525LK, 525LS, 525LS II, 525LST, 525LST II, 525LX, 525P4S, 525PS5, 525PT5S, 525RJD, and 525RJX. To maintain the cable, periodically inspect the trigger area for debris and ensure the casing is not pinched or bent at sharp angles, which could cause internal friction.