John Deere Original Equipment Extension Spring GX20373.
End Type: 03/03
Wire Diameter: 0.813MM
Outside Diameter: 12.319MM
Free Length: 50.390MM
Spring Rate (LBF/in or N/mm): 4.300N/MM
Initial Tension (LBF or N): 0.00N
Number of Coils: 16.750 UNITY
Material: A15-7
Finish: B
Fits the following John Deere models: 115, 125, 135, 145, 155C, 190C, D120, D125, D130, D140, D150, D155, D160, D170, E120, E130, E150, E160, E170, E180, G110, L107, L110, L111, L118, L120, L130, LA105, LA125, LA130, LA135, LA140, LA145, LA150, LA155, LA165, LA175, S240, X120, X140, X145, X165, X166. This is a genuine John Deere Part. Thanks for looking!