Please verify that the part number and pictures match the part you are replacing before ordering.
Models/Applications:
GTH-4014 (from serial number GTH401415B-146 to GTH401416B-150, from serial number GTH401416M-151 to serial number GTH401416M-152)
GTH-4018 (from serial number GTH401815B-153 to GTH401816B-158, from serial number GTH401816M-159 to serial number GTH401816M-160)
GTH-4016 R IIIB (from serial number GTH4016R15M-101 to GTH4016R17M-113)
GTH-4018 R IIIB (from serial number GTH4018R15M-101 to GTH4018R17M-122)
GTH-4014 AU (from serial number GTH401415B-146 to GTH401416B-150, from serial number GTH401416M-151 to serial number GTH401416M-152)
GTH-4018 AU (from serial number GTH401815B-153 to GTH401816B-158, from serial number GTH401816M-159 to serial number GTH401816M-160)
GTH-1256 AF (from serial number GTH12AFM-101)
GTH-5021 R (from serial number GTH5021R15B-128 to GTH5021R16B-131, from serial number GTH5021R16M-132 to GTH5021R16M-133)
GTH-5021 R IIIA (from serial number GTH5021R15B-128 to GTH5021R16B-131, from serial number GTH5021R16M-132 to GTH5021R16M-133)
GTH-4016 R IIIA (from serial number GTH4016R15M-101 to GTH4016R17M-113)
GTH-4018 R IIIA (from serial number GTH4018R15M-101 to GTH4018R17M-122)
GTH-1256 (from serial number GTH12M-301 to serial number GTH12M-400)
GTH-1256 (from serial number GTH12M-401)
GTH-1256 (from serial number GTH1215M-001 to GTH1216M-249)
GTH-1256 (from serial number GTH12M-250 to GTH12M-280)
Replacement Part Number(s): 51.0811.4605GT, 51.0811.4605GN, 51.0811.4605