HD BIGBearing Billet Idler Pulleys are machined from a single piece of solid steel and use a Larger Replaceable Pulley Bearing. Seamless Billet Pulleys provide superior durability, precision, and increased belt life. We use a larger bearing to increase life; and our billet pulley design makes it possible to replace the bearing if it fails. Designed specifically for heavy-duty applications, these pulleys offer the absolute best replacement option. - Fits Lazer Z Models: LHP4418KC LHP4818KC SN160000-319999, LHP4417KA SN160000-509999, LHP4819KA SN190000-599999, LHP4821KA SN220000-509999, LHP4419KA LHP4820KC LHP5220KC LHP5223KA LHP5223KC SN220000-599999, LHP4420KC SN320000-509999, LCT4418KC LCT4818KC SN370000-509999, LCT4819KA LCT5219KA SN440000-509999, LCT4418BV LCT4818BV LCT5218BV LHP4823KA SN510000-599999, LHP20KC505 SN600000-669999, LHP19KA505 SN600000-719999, LCT21BV523 LCT23BV603 LHP19KA465 LHP23KA505 LHP23KA565 LHP27KC505 LHP27KC565 SN600000-789999, LHP23KA465 SN670000-789999, LCT23BV523 LHP19KA465CA LHP23KC523 LHP27KC523 SN720000-789999, LZA27KC604 LZAS27KC604CA SN820000-919999, LZZ34KC606 LZZ34KC726 LZZ38KC606 LZZ38KC726 SN850000-919999, LZA20KAS484 LZA20KAX484 LZA20KAX524 LZAS22KA484 LZAS22KA484CA LZAS23KC524 LZAS25KC604 LZAS26LKA604 LZAS27KC524 LZAS27KC524CA LZAS27KC604 LZAS29KA724 LZZ23KC486 LZZ23KC526 LZZ24KA526 LZZ24KA526CA LZZ27KC526 LZZ27KC526CA LZZ27KC606 LZZ27KC606CA LZZ29KA606 LZZ29KCE606 LZZ34KA606 LZZ34KA726 SN850000-919999, LZE20KA484 LZE22KA484 LZE24KA524 LZS22KA484 LZS22KA484CA LZS23KC524 LZS24KA524CA LZS27KC524 LZX23KC486 LZX24KA526 LZX24KA526CA LZX27KC526 LZX27KC526CA SN920000-999999 - Fits Exmark Metro Models: MHP3615KC MHP4816BV MHP5216BV 150000-189999, MHP3614KA MHP4814KA 150000-219999, MHP4815KC MHP5217KA 150000-259999, MHP4817KA 150000-319999, MHP3615KA MHP4815KA 190000-319999, M3211B M4815KA M4817KA 220000-259999, M3613KC 220000-319999, M3615KA 220000-509999, M3213KA M3613KA M4815KAC M4815KCC MHP3615KAC 220000-599999, M4815KC 260000-439999, M3615KC 320000-439999, M3613KAC M3615KCC MHP4815KAC 320000-599999, M15KA322P M15KA362 M15KA362P M15KA483 M15KA483P 600000-719999 - Fits Exmark Phazer Models: PHZ19KA443 600000-669999, PHZ19KA343 600000-919999, PHZ19KA343CA 790000-919999, - Fits Exmark Quest Models: QZX735GKC48300 413950474-416150474, Turf Ranger TR-18KC TR-20BV TR-22KC 115000-129999 TR22KC 130000-219999, TR23KC 220000-599999, - Fits Exmark Turf Tracer Models: TTH-18KC TTH-22KC 115000-129999, TT18KC TT3615KC TT4816BV TT5216BV 130000-169999 TT22KC TT3614KA TT4814KA 130000-219999 TT4815KC 130000-319999, TT4817KA TT5217KA 160000-369999, TT19KA 190000-219999, TT23KC TT4815KA TT4817KAE 220000-319999, TT3615KA 220000-369999 Turf Tracer TT23KA 260000-319999, TT4817KAEC TT5217KAC TT5217KAEC 260000-509999, TT3615KAC TT4817KAC 260000-599999, TTS481KA363 TTS481KA363CA TTS481KA483 TTS541KA483CA TTS541KA523 TTS600KAE483 TTS600KAE523 TTS600PKAE483 Turf Tracer 312000000-314999999, TTX691KAE604CA 313000000-313999999, TTS680PKCE483 TTX650EKCE524 TTX650EKCE604 TTX650EKCE604N TTX680PKCE524 TTX680PKCE604 TTX691KAE524 TTX691KAE604 313000000-314999999, TT20KCC TT23KCC 320000-539999, TT23KAC 320000-599999, TT20KC 440000-509999, TT4819KAC TT4819KAEC TT5219KAC TT5219KAEC 510000-599999, THP15KA363 THP17KA483 THP17KA523 THP19KAE483 THP19KAE523 600000-849999, THP17KA363CA THP17KA483CA THP17KA523CA THP19KAE483CA 790000-849999, THP16KA363 THP16KA363CA THP16KA483 THP16KA483CA THP18KA523 THP20KAE483 THP20KAE483CA THP20KAE523 850000-919999, TTS16KA363 TTS16KA363CA TTS16KA483 TTS16KA483CA TTS18KA523 TTS20KAE483 TTS20KAE483CA TTS20KAE523 TTS20PKAE483 TTS20PKAE523 920000-999999 - Fits Exmark Vantage Models: VT20KAS484 VT20KAS524 VT24KAS484 VT24KAS484CA VT24KAS524 VT24KAS524CA 850000-919999, VT20KA484 VT24KA484 VT24KA484CA 920000-999999, Viking VH3615KA VH4815KA 220000-319999, VH3215KCC 320000-439999, VH3615KAC VH4815KAC 320000-599999, VH3215KAC 440000-509999, VH5217KAC 440000-599999, VH15KA362 VH15KA483 600000-719999 - Also fits, Z Master: 2000 Series 74141 74141TE 3000 Series 74952 5000 Series 74901 6000 Series 74922 78922 74902TE 74941CP SN312000001-312999999, G3 74921 290000001-290999999, 74901 74941CP 290000001-311999999, 74922 78922 310000001-311999999, 74951 74952 74901CP 74902TE SN311000001-311999999, ProLine 48": 30196 SN200000001-220999999, 30197 200000001-250999999, 30526 220000001-230999999, 30523 220000001-240999999, 30195 230000001-230999999, 30528 30530 230000001-250999999, 30140 30531 240000001-250999999 Walk-Behind 40": 30686 30986 SN260000001-280999999, 30696 SN260000001-290999999, 39696 SN280000001-280999999, 38696 SN290000001-290999999, Walk-Behind 48": 30688 30698 30988 SN260000001-290999999, 39688 39988 SN280000001-280999999, 38988 SN290000001-290999999, 30638 30678 30938 SN310000001-314999999, 39638 39938 SN311000001-999999999, 39678 SN315000001-999999999, Walk-Behind 52": 30989 SN260000001-280999999 Z147 74270 SN200000001-200999999, 74161 SN240000001-240999999, 74170 SN990001-200999999, Z148 74162 Z149 74163 SN240000001-240999999, 74411 250000001-260999999, 74173 990001-200999999, Z150 74164 74165 240000001-240999999, 74171 74172 990001-200999999, Z153 74174 74175 200000001-200999999, 74166 74167 240000001-240999999, Z300 74409 79408 79409 280000001-280999999, 74408 74408CP 74409CP SN280000001-290999999, Z334 74408 74408CP 74408TE Z340 74409 74409CP 74409TE SN270000001-270999999 Fits Toro Timecutter ZX-Series: 17-44ZX 74401 Z16-44 74501 74502 (210000001-240999999), 17-52ZX 74701 (230000001-230999999), 17K-44ZX 74601 (230000001-230999999), 18-44ZX 74602 (240000001-240999999), 18-52ZX 74405 74702 74801 (210000001-240999999), 19-52ZX 74802 (240000001-240999999), Z17-44 74401 74601 (210000001-220999999), Z17-52 74701 (210000001-220999999), Z18-52 74801 (220000001-220999999), ZX440 74406 (250000001-280999999) 74603 (260000001-280999999), ZX525 74407 74806 (250000001-270999999) Fits: Hustler Z XR-7 927723 927731 927749 927756 927772 927798 927806 927814 929364 928853A 928853B 928861A 928861B, Z4 929331 929349 929356 929406 929414 929422, Sport 930198 930206 930214 930222 930230 930651 932285, Trimstar 927400 927426 929232 929240 929265 929273 930388 930396 930404 930412, Super S 933333 933341 933358 935353 935361 935395 937136 937144 937151 937169 937177 939447 939454 940213 940221 940247 940254 940296 940304 941393 942292 943126 943134 943142 943167 943175 Super Z 926360 926378 926436 926444 926485 926493 926725 926741 926766 926972 926980 926998 927038 927046 927053 927061 927319 927467 927558 927566 927624 927673 927681 928887HT 928887HTA 928887HTB 928895A 928895B 928911A 928911B 928887A 928887B, CAT Diesel 927327 927335 927608 927616, Super Z LC 927012 927020, Hustler Z 926253 926295 926311 926345 926451 926469 926550 926568 928432 927723A 927723B 927749A 927749B 927756A 927756B 927772A 927772B 927798A 927798B 927806A 927806B 927814A 927814B Super Z XR-7 927848 927855 927871 927889 927897 927913 927921 927939 927947 927970 927988 927996 928002 928010 928028 928036 928044 928051 928069 928101 928143 928879 928887 928895 928911 928929 928937 927848A 927848B 927855A 927855B 927871A 927871B 927889A 927889B 927897A 927897B 927913A 927913B 927921A 927921B 927939A 927939B 927947A 927947B 927970A 927970B 927988A 927988B 928010A 928010B 928028A 928028B 928036A 928036B 928044A 928044B 928044HT 928051A 928051B 928069A 928069B 928879A 928879B ATZ 927178 927186 928168, BDMT/BDR 930636 930750 930776 930842 931378 931386, Diesel Z 928119 928606 928614 928622 928630 928648 928655 928663 928101A 928101B 928606A 928606B 928614A 928614B 928622A 928622B 928630A 928630B, FasTrak SD 928192 928200 928374 928382 928481 929778 929786 929794 930118 930123 930130 930131 930149 930156 930164 930172 930818 930826 932327 932335 932491 932517, ATZ XR-7 926667 926675 926881 926915 926923 926931 926949 926964 927111 927160 927475 928150 928226 928234 X-ONE 930503 930511 930522 930529 930537 930545 930560 930578 930586 930594 930883 930891 931006 931055 931774 931782 932194 932202 932210 932228 932236 932244 932251 932269 932715 932723 932731 932749 932756 932764 932772 932780 932798 933417 933887 933895 933978 933986 933994 934117 934125 934133 934141 934158 934166 934174, X-ONEi 931949 931956 932343 932350, X-1052 929489 929505 929620 930321 930339 930347, Mini Z 926808 926816 926824 926832 927228 927236 927244 927251 927483 927491 927525