531300375 HL280-52 (Blue) Bar 14″

531300375 HL280-52 (Blue) Bar 14".  136, 137 (serial number before 20061000001), 142 (serial number before 20061000001), 142, 235, 240, 316E, 334T, 335XPT, 336, 338XPT, and T435.  Only fits models 137 and 142 with serial numbers BEFORE 20061000001.  52  Drive Links, Pitch 3/8′, .050" gauge.