537185801 T35 Trimmer Head Bump Knob - Pack of 4
0.00
Regular price
$15.03
Regular price
Save 10%
$16.69
Sale price
$15.03
Fast delivery
CONFIRM THE FIT FOR YOUR MODEL
Enter your model number
537185801 T35 Trimmer Head Bump Knob - Pack of 4
Key Features
- Package contains four (4) replacement bump knobs.
- Enables tap-to-advance line feeding for the trimmer head.
- Constructed from high-impact plastic for durability.
- Diameter: 2.5 inches
Replaces / Cross-Reference Part Numbers
- 537185801
Compatibility & Fitment
- Fits trimmer head model: T35
- Compatible with select string trimmers from Husqvarna, Poulan, RedMax, Jonsered, AYP, and Craftsman.
- Example of a compatible model: Husqvarna 224L
- Note: Verify fitment by confirming your trimmer uses a T35 head and requires part number 537185801.
When to Replace
- The existing knob is cracked, broken, or severely worn from ground contact.
- The line-feeding mechanism fails to activate when tapped.
- The knob no longer threads securely onto the spool.
Installation Tips
- Disconnect the spark plug before performing any maintenance.
- Unscrew the old knob from the trimmer head. Note that some models may have reverse threading.
- Remove the spring from the old knob and place it into the new one.
- Thread the new knob onto the spool assembly until it is hand-tight.