Genuine
This Extension Spring is a genuine OEM replacement part designed to maintain proper tension in your mower's deck lift or idler arm assemblies. This high-quality spring ensures smooth operation and consistent performance, absorbing shocks from uneven terrain and blade impacts to prevent belt dislodgement and potential damage. Manufactured to meet strict OEM standards, it offers durability and reliability for prolonged use.
Fitment
| Product | Description | Serial Range |
| 74176 | *OBS* Z147 - 17 HP/44 DECK, Z-MASTER | 210000001 - 210999999 |
| 74177 | *OBS* Z150 - 20 HP/44 DECK, Z-MASTER | 210000001 - 210999999 |
| 74178 | *OBS* Z150 - 20 HP/52 DECK, Z-MASTER | 210000001 - 210999999 |
| 74179 | Z149 - 19 HP/52 DECK, Z-MASTER | 210000001 - 210999999 |
| 74197 | Z153 - 23 HP KOH/52 DECK, Z-MASTER | 210000001 - 210999999 |
| 74198 | *OBS* Z153 - 23 HP KAW/52 DECK, Z-MASTER | 210000001 - 210999999 |
| 74501 | *OBS* FA - CONSUMER Z (ZI6-44) | 210000001 - 210999999 220000001 - 220999999 |
| 74601 | *OBS* ZX17-44 | 210000001 - 210999999 220000001 - 220000912 220000913 - 220999999 230000001 - 230999999 |
| 74701 | ZX17-52 | 210000001 - 210999999 220000001 - 220999999 230000001 - 230999999 |
| 74270 | *OBS* Z-147 17HP KAW W/ 112 CM SFS DECK | 210000001 - 210999999 |
| 74801 | *OBS* ZX18-52 | 220000001 - 220999999 230000001 - 230999999 |
| 74401 | *OBS* 17 HP KAW W/112CM CE | 220000001 - 220999999 230000001 - 230999999 240000001 - 240999999 |
| 74502 | *OBS* ZX17-44 | 220000001 - 220999999 230000001 - 230999999 |
| 74405 | *OBS* 18-52 ZX CE | 230000001 - 230999999 240000001 - 240999999 |
| 74602 | *OBS* TIMECUTTER 18-44 ZX | 240000001 - 240999999 |
| 74702 | *OBS* TIMECUTTER 18-52 ZX | 240000001 - 240000199 240000200 - 240999999 |
| 74802 | TIMECUTTER 19-52 ZX | 240000001 - 240000158 240000159 - 240999999 |
| 74351 | TIMECUTTER Z440 | 240000001 - 240999999 |
| 94351 | 725057026 MZ18HA100 | T04ZC0001 - |
| 94802 | *OBS* 725057036 MZ19HA100 | T04ZD0001 - |
| 725057026 | MZ18H Riding Mower | T04ZC0001 - |
| 725057036 | MZ19H Riding Mower | T04ZD0001 - |
| 74268 | Z MSTR 7000-27HP DAI DIESEL / 60IN TF DK | 240000001 - 240999999 250000001 - 250999999 260000001 - 260999999 270000001 - 270000300 270000301 - 270999999 280000001 - 280999999 290000001 - 290999999 311000001 - 311999999 312000001 - 312999999 313000001 - 313999999 |
| 74268TE | Z597D 27 HP DIESEL ZRT W/60" TF DECK(CE) | 240000001 - 240999999 250000001 - 250999999 260000001 - 260999999 |
| 74269 | Z MSTR 7000-27HP DAI DIESEL / 72IN TF DK | 240000001 - 240999999 250000001 - 250999999 260000001 - 260999999 270000001 - 270000300 270000301 - 270999999 280000001 - 280999999 290000001 - 290999999 310000001 - 310999999 311000001 - 311999999 312000001 - 312999999 313000001 - 313999999 |
| 74603 | TIMECUTTER ZX440 | 260000001 - 260999999 270000001 - 270999999 280000001 - 280999999 |
| 74806 | TIMECUTTER ZX525 | 250000001 - 250999999 260000001 - 260999999 270000001 - 270999999 |
| 74406 | *OBS* TIMECUTTER ZX440 CE | 250000001 - 250999999 260000001 - 260000240 260000241 - 260999999 270000001 - 270999999 280000001 - 280999999 |
| 74407 | *OBS* TIMECUTTER ZX525 CE | 250000001 - 250999999 260000001 - 260999999 270000001 - 270999999 |
| 74352 | TIMECUTTER Z480 | 250000001 - 250999999 |
| 74704 | TIMECUTTER ZX480 | 250000001 - 250999999 260000001 - 260999999 |
| 94352 | *OBS* 725058006 MZ18HA | T05ZE0001 - T06ZE0001 - |
| 725058006 | MZ18H Riding Mower | T05ZE0001 - T06ZE0001 - |
| 725058016 | MZ19H Riding Mower | T05ZF0001 - T06ZF0001 - T06ZF0101 - T07ZF0001 - |
| 94806 | *OBS* 725058016 MZ19HA200 | T05ZF0001 - T06ZF0001 - T06ZF0101 - T07ZF0001 - |
| 74405FR | 18-52 ZX CE (FRENCH CONVERSION) | 240010001 - 240999999 |
| 74353 | TIMECUTTER Z 480 | 260000001 - 260999999 |
| 94603 | *OBS* 725058036 MZ17HA200 | T06ZR0001 - |
| 725058036 | MZ17H Zero-Turn-Radius Mower | T06ZR0001 - |
| 74269TE | Z597D 27HP DIESEL ZRT W/72" TF DECK (CE) | 260000001 - 260999999 270000001 - 270999999 |
| 74280TE | Z597-D 27HP DIESEL 62 RDD | 260000001 - 260999999 270000001 - 270999999 |
| 74281TE | Z597-D 27HP DIESEL 72 RDD | 260000001 - 260999999 270000001 - 270000300 270000301 - 270999999 |
| 74370 | *OBS* TIMECUTTER Z5000 - 50" KOHLER | 270000001 - 270999999 280000001 - 280999999 |
| 74372 | TIMECUTTER Z5020 - 50" KOHLER TWIN | 270000001 - 270999999 |
| 94370 | *OBS* 725058056 G4020Z | T07ZU0001 - T07ZU0001 - |
| 94372 | *OBS* 725058066 G4030Z | T07ZV0001 - T07ZV0001 - |
| 74391 | *OBS* TIMECUTTER Z5000 CE-50" KOHLER | 270000001 - 270999999 280000001 - 280999999 290000001 - 290000225 |
| 74399 | TIMECUTTER Z5020 CE-50" KOHLER TWIN | 270000001 - 270999999 280000001 - 280999999 290000001 - 290000439 290000440 - 290999999 |
| 725058056 | G4020 Zero-Turn-Radius Mower | T07ZU0001 - T08ZU0001 - |
| 725058066 | G4030 Zero-Turn-Radius Mower | T07ZV0001 - T07ZV0001 - |
| 74374 | *OBS* TIMECUTTER Z5040 - 50" KAWASAKI TW | 270000001 - 270999999 280000001 - 280999999 |
| 74268CP | *OBS* Z597-D 60" TF SD 27HP BS, INT'L A | 270000001 - 270999999 280000001 - 280999999 |
| 74269CP | *OBS* Z597-D 72" TF SD 27HP BS INT'L A C | 270000001 - 270999999 280000001 - 280999999 |
| 74375 | TIMECUTTER Z5060 - 50" KOHLER | 280000001 - 280999999 290000001 - 290000199 290000200 - 290999999 310000001 - 310999999 |
| 74373 | *OBS* TIMECUTTER Z5030 - 23HP KOH TWIN 5 | 290000001 - 290004012 290004013 - 290999999 |
| 74820 | *OBS* TITAN ZX5000 [50 IN - 22HP B&S] | 290000001 - 290999999 310000001 - 310999999 |
| 94375 | *OBS* 725058086 G4035Z | T09ZW0001 - TAZW00001 - |
| 725058086 | G4035Z Zero-Turn-Radius Mower | T09ZW0001 - TAZW00001 - |
| 74376 | TIMECUTTER Z5035 - 50IN KAW TWIN | 310000001 - 310999999 |
| 74398 | *OBS* TIMECUTTER Z5035 CE - 50IN KAW TWI | 310000001 - 310999999 |
| 74387 | *OBS* TIMECUTTER ZS 5000 CE - 127 CM KAW | 311000001 - 311999999 312000001 - 312999999 313000001 - 313999999 314000001 - 314999999 |
| 74630 | TIMECUTTER SS 5000 - 50 IN KAWASAKI | 311000001 - 311999999 312000001 - 312999999 |
| 74632 | *OBS* TIMECUTTER SS 5060 - 50 IN KAWASAK | 311000001 - 311999999 312000001 - 312999999 313000001 - 313999999 314000001 - 314999999 |
| 74840 | TITAN ZX5020 | 311000001 - 311999999 |
| 74641 | *OBS* TIMECUTTER MX 5060 - 50 IN FAB KAW | 312000001 - 312999999 313000001 - 313999999 314000001 - 314999999 |
| 74631 | TIMECUTTER SS5000 - 50 IN KAWASAKI | 313000001 - 313999999 314000001 - 314999999 |
| 74395 | *OBS* TIMECUTTER ZS 5000TF -50IN FAB KAW | 313000001 - 313999999 314000001 - 314999999 |
| 74635 | 50IN TIMECUTTER SS5035 (CARB) | 314000001 - 314999999 |
| 74637 | TIMECUTTER SS 5000 - 50 IN KOHLER | 314000001 - 314999999 |
| 74638 | *OBS* TIMECUTTER SS 5060 - 50 IN KOHLER | 314000001 - 314999999 |
| 74643 | *OBS* TIMECUTTER MX 5060 50IN KOHLER | 314000001 - 314999999 |
| 74793 | *OBS* TIMECUTTER SW 5425 - 54 IN TORO-V | 315000001 - 315999999 316000001 - 316999999 |
| 74730 | TIMECUTTER SS 5000 - 50 IN KAWASAKI | 315000001 - 315999999 316000001 - 316999999 |
| 74740 | TIMECUTTER SS 5425 - 54 IN KOHLER | 315000001 - 315999999 |
| 74770 | TIMECUTTER MX 5050 - 50 IN FAB KOHLER | 315000001 - 315999999 316000001 - 316999999 400000000 - 999999999 |
| 74660 | *OBS* TIMECUTTER ZS 5000 CE - 127 CM KAW | 315000001 - 315999999 |
| 74680 | TIMECUTTER SW 5000 CE - 127 CM TORO-V | 315000001 - 315999999 316000001 - 316999999 400000000 - 400219999 400220000 - 999999999 |
| 74790 | *OBS* TIMECUTTER SW 5000 - 50 IN TORO-V | 315000001 - 315999999 316000001 - 316999999 400000000 - 401999999 402000000 - 999999999 |
| 74797 | TIMECUTTER SWX 5050 - 50 IN FAB TORO-V | 315000001 - 315999999 |
| 74731 | TIMECUTTER SS 5000 - 50IN TORO-V | 315000001 - 315999999 316000001 - 316999999 400000000 - 401399999 401400000 - 402334374 402334375 - 999999999 |
| 74798 | *OBS* TIMECUTTER SWX 5050 - 50IN FAB KOH | 315000001 - 315999999 |
| 74732 | *OBS* TIMECUTTER SS 5000 - 50 IN KOHLER | 316000001 - 316999999 |
| 74741 | *OBS* TIMECUTTER SS 5425 - 54 IN TORO | 316000001 - 316999999 400000000 - 999999999 |
| 74775 | TIMECUTTER MX 5000 - 50 IN FAB TORO V | 316000001 - 316999999 400000000 - 401299999 401300000 - 402533653 402533654 - 999999999 |
| 74661 | TIMECUTTER ZS 5000 CE - 127 CM TORO-V | 316000001 - 316999999 400000000 - 400899999 400900000 - 402490292 402490293 - 999999999 |
| 74771 | TIMECUTTER MX5050 TORO V-TWIN | 400000000 - 999999999 |
| 74777 | TIMECUTTER MX 6050 - 60IN 24.5 TORO-V | 400000000 - 401399999 401400000 - 404314199 404314200 - 999999999 |
| 74776 | TIMECUTTER MX5025 | 400000000 - 401070523 402000000 - 404314999 401070524 - 401999999 404315000 - 999999999 |
| 74795 | *OBS* TIMECUTTER SWX 5000 - 50IN FAB TOR | 400000000 - 400999999 401000000 - 402793286 402793287 - 999999999 |
| 74778 | TIMECUTTER MX 5075 - 50 IN FAB TORO WD | 400000000 - 402366554 404314200 - 999999999 402366555 - 404314199 |
| 74727 | TIMECUTTER MX 5000 KAWI CARB | 400000000 - 999999999 |
| 74768 | TIMECUTTER MX 5075 - 50 IN FAB TORO STL | 400000000 - 402327411 404314200 - 999999999 402327412 - 404314199 |
| 74772 | TIMECUTTER MX 5000 KAWI 50IN FAB DECK | 404314000 - 999999999 |
| 74773 | TIMECUTTER MX5000 KOHLER 50IN FAB DECK | 404314000 - 999999999 |
| 74774 | TIMECUTTER MX 5050 TORO TWIN 50IN FAB | 404310000 - 999999999 |
| 74774TA | TIMECUTTER MX 5050 TORO TWIN 50IN FAB WC | 400000000 - 999999999 |
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