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MTD Trimmer Knobs

MTD Appliance Parts

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Popular MTD Trimmer Knobs

Trimmer Bump Head Knob – Part Number: 791-153066B
$13.95
In Stock
Trimmer Bump Head Knob
Part #: HD9306452
Manufacturer Part #: 791-153066B
Fixes these symptoms
  • Cutting line does not come out
Knob-wing 5/16-18 – Part Number: 720-04124
$5.95
In Stock
Knob-wing 5/16-18
Part #: HD9096073
Manufacturer Part #: 720-04124
This is a genuine OEM sourced replacement part designed for use with lawn mowers. This wing knob helps to secure upper and lower handles on a mower. It is made out of red plastic and it is sold individually. Please note carriage screw is sold separately.
Trimmer Wing Knob – Part Number: 720-04122
$7.95
In Stock
Trimmer Wing Knob
Part #: HD9099155
Manufacturer Part #: 720-04122
This is an original Craftsman replacement part manufactured for use with lawn and garden equipment. The wing knob acts as a nut to fasten bolts. This wing knob is a versatile part that is used on lawnmowers, and snowblowers. The wing knob usually secures the bolt that fastens the upper and lower handles, please see model diagram for part location. The wing knob is sold individually.
Snow Blower Star Knob – Part Number: 720-04072A
$7.95
In Stock
Snow Blower Star Knob
Part #: HD9109078
Manufacturer Part #: 720-04072A
Screw knob – Part Number: 753-06838
$5.95
Special Order
Screw knob
Part #: HD12692209
Manufacturer Part #: 753-06838
Wiong Nut – Part Number: 720-0279
$5.95
In Stock
Wiong Nut
Part #: HD9096328
Manufacturer Part #: 720-0279
This handle knob is an authentic OEM replacement part. It is customarily used in Ryobi and MTD lawn mowers. This knob is used to make adjustments to the upper handle of the lawn mower. This part is made of plastic and should be replaced if it comes off the machine. It is sold individually and requires no tools to install.
Bump Knob – Part Number: 731-09582-49
$5.95
In Stock
Bump Knob
Part #: HD16580294
Manufacturer Part #: 731-09582-49
Bump Knob Lib Red – Part Number: 731-09582-A-49
$5.95
On Order
Bump Knob Lib Red
Part #: HD16994470
Manufacturer Part #: 731-09582-A-49
This bump knob is a genuine OEM replacement designed for string trimmer heads that use a bump-feed line advancement system, allowing additional cutting line to be released when the head is tapped on the ground. Molded from durable plastic in a distinctive red finish, it restores smooth, reliable line feeding and proper head operation when the original knob is cracked, worn, or no longer engaging correctly. Easy to install without special tools, it helps prevent line jams and interruptions, ensuring consistent trimming performance and efficient operation during regular use.
Bump Knob 2n1 – Part Number: 731-09582-1
$5.95
In Stock
Bump Knob 2n1
Part #: HD16416148
Manufacturer Part #: 731-09582-1
Bump Knob Cnt – Part Number: 753-08163
$5.95
In Stock
Bump Knob Cnt
Part #: HD11812942
Manufacturer Part #: 753-08163
This is an authentic replacement part that has been sourced to be used with trimmers from MTD and Troy-Bilt. The plastic bump knob attaches to the bottom of the cutting head and is used to impact the ground to release trimmer line. This item is available as an individual replacement part.