Glow Plug
Overall Length: 68mm Probe Length: 16mm Thread Size: M10 x 1.25mm.
Kubota
L Series Compact
L1501, L175, L1801, L185, L185 DT, L2000, L2002, L2201, L2202, L235, L2402, L245, L245 DT, L245 F, L245 H, L2601, L2602, L275, L2802, L295, L295 DT, L295 F, L3001, L305, L3202, L345, L345 DT, L4202, L4212
M Series Agricultural Tractor
M4000, M4050, M4050 DT, M4500, M4500 DT, M4950
Mini Excavators
KH-1, KH-10, KH-11H, KH-12ED, KH-14, KH-15, KH-18, KH-20
Replaces OEM No: 
Kubota
1522165510, 15221-65510, 1552165512, 15521-65512, 1552165513, 15521-65513