Husqvarna Shearing Pin - 535410901
Best current price£10.49from eBay
Best offers
Shopping.co.uk recommended and popular offers
eBay£10.49Visit shop Genuine Husqvarna Shearing Pin For Blade Adaptor - 535 41 09 01
Visit shopeBay£10.49Visit shop One Offer
1 offer from £10.49
View price history by clicking the chart icon.
eBayGenuine Husqvarna Shearing Pin For Blade Adaptor - 535 41 09 01
Free delivery in 1–3 days
£10.49
Visit shop
Product Information
Full details
The Husqvarna Shearing Pin (535410901) is an essential replacement component designed for Husqvarna outdoor power equipment owners who rely on blade adaptors for their trimmers or brushcutters. Its primary benefit is providing a critical fail-safe mechanism that protects your equipment’s internal engine and gearbox components from damage in the event of a sudden blade impact or stall. While this pin is a high-quality genuine part, it is intentionally designed to be the weakest link in the system, meaning it will require periodic replacement if you frequently operate your equipment in rocky or dense terrain.
All features
| Model Part Number | 535410901 |
|---|---|
| Brand | Husqvarna |
Extended Product Information
FAQs
What is the purpose of the shearing pin?
It is a safety device designed to break under extreme torque or impact to prevent permanent damage to your engine or gearbox.
Can I use a bolt instead of the genuine Husqvarna pin?
No. Using a standard bolt instead of a shear pin is dangerous, as the bolt may be too strong and fail to break, leading to internal engine damage.
How often should I replace the pin?
There is no set schedule. It should be replaced immediately after it shears or if you notice it has become bent or deformed.
Is this pin compatible with all Husqvarna trimmers?
No, it is specific to models using a compatible blade adaptor. Always verify your model number against the part MPN.
How do I know if I have the right part?
Compare the dimensions of your existing pin to the 535410901 specifications or check your equipment’s illustrated parts breakdown.
Troubleshooting
Blade is not spinning despite the engine running
Check the shearing pin; it has likely snapped to protect the gearbox and requires replacement.
New pin shears immediately after installation
Inspect the blade adaptor and drive shaft for debris or damage that may be causing a bind, and ensure the blade is correctly balanced.
Pros and Cons
Pros
- Protects engine and gearbox from expensive impact damage
- Genuine OEM part ensures strict safety standards
- Easy to install in the field with basic hand tools
- Inexpensive compared to the cost of repairing a damaged gearbox
Cons
- Designed to fail during impact, requiring occasional replacement
- Not compatible with all Husqvarna models; must verify fitment
- Requires careful inspection of the surrounding blade adaptor for damage
Setup, Compatibility & Care
To install the shearing pin, ensure the engine is completely off and the spark plug wire is disconnected. Align the holes of the blade adaptor with the drive shaft. Slide the new pin through the assembly and secure it according to your owner's manual instructions. Compatibility is specific to models utilizing the corresponding blade adaptor; always consult your equipment's parts list using the MPN 535410901. For maintenance, periodically inspect the pin for signs of fatigue or slight bending. Keep the area around the blade adaptor free of debris, as built-up mud or grass can put unnecessary stress on the pin during operation.