Mower Deck Spindle Pulley Compatible with John Dee re JD 42" deck riding mower (but not limited to): D100 series: D100, D105, D110, D120, D125, D130. E100 series: E100, E110, E120, E130. L100 series: L100, L105, L107, L108, L110, L111, L118. LA100 series: LA100, LA105, LA110, LA115, LA120, LA125, LA135. X100 series: X105, X106, X110, X120, X125, X126, X145. Other series: 102, 105, 115, 125, 135, 107S, 14.542GS, 17.542HS, L1742, L17.542, 108-14.5, 108-17HS. Replace OEM Part Numbers: GX20367, UC23728, 11449, 275-124. Specifications: Size: Inner Diameter: 19/32", Outer Diameter: 7-1/8", Height: 7/8. Package includes: Mower deck spindle pulley x 1 Note: 1. On the basis of manufacturer specifications or breaks in the serial number, the same model occasionally requires various parts. The above model and part numbers are for reference only. Please check your original part number to see if these parts will fit your model before purchase. 2. Please wear a pair of gloves to protect your hands during the installation.