GX21924 / GX20053 Sector & Pinion Gear Set — complete supplied kit

GX21924 / GX20053 Sector & Pinion Gear Set for John Deere LA & D

$42.95
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GX21924 / GX20053 Sector & Pinion Gear Set — complete supplied kit

GX21924 / GX20053 Sector & Pinion Gear Set for John Deere LA & D

$42.95

Aftermarket replacement steering sector and pinion gear set for select John Deere LA & D. Match the original part number and supplied configuration shown below.

What’s included

  • 1 × steering sector gear — GX21924
  • 1 × steering pinion gear — GX20053

Component replacement numbers

steering sector gear: GX21924, GX21924BLE, GX25785, GX25785BLE

steering pinion gear: GX20053, GX26220

Measurements & specifications

GX21924 Plate width shown 215 mm
GX21924 Plate height shown 143 mm
GX21924 Plate thickness 6 mm
GX21924 Lower mounting-hole spacing shown 190 mm
GX20053 Outer gear teeth 11
GX20053 Outside diameter 34 mm
GX20053 Inside diameter 16.7 mm
GX20053 Height 27 mm

Measurements describe the replacement shown in the diagrams. Match the indicated measurement points on your original part.

Check mower & equipment fitmentView model examples, serial restrictions and application notes

Use the original part number with the full equipment model and serial number. Mower names can cover different steering and axle configurations.

John Deere

  • LA100, LA105, LA110, LA115, LA120, LA125
  • LA130, LA135, LA140, LA145, LA150, LA155, LA165, LA175
  • 102, 105, 115, 125, 135, 145, 155C, 190C
  • D100, D120, D150 — confirm the original GX21924 / GX25785 sector number
  • D105, D110, D125, D130, D140, D160, D170 — early configurations using GX21924 / GX25785; identify the sector number before ordering
  • X110, X120, X140, X145
  • X125 and X165 — configurations before serial 100000 using the listed sector number

GX21924 / GX25785 and UC14592 / GX26057 are separate sector-gear paths. Select by the original sector number and serial-specific parts diagram.

Individual replacement parts

Match the part number, left/right position where applicable, mounting points, shaft or bore size and supplied design before ordering. Fitment support before and after purchase.

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