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How to find your model number

Questions? Call Now: 317.849.9500.
How to find your model number

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Toro Rear Wheel (137-4843)

Toro Hydro Kit (121-3783)

Original price was: $150.99.Current price is: $127.22.

Available on backorder

SKU: 121-3783 Categories: ,


“In Stock”items ship out by next business day.
“Special orders” typically ship out 3-5 days from date of order. You will be contacted via email with longer delays.

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Genuine Parts

Designed to fit your model

Model Compatibility

Toro KIT-HYDRO TORO, H-G

Genuine Toro Hydro Kit (121-3783)

Fits specific Z Master Commercial Series Riding Mower, TimeCutter and Titan Riding Mower models

Fits Toro models

74141 Z Master Commercial 2000 Series Riding Mower, with 48in TURBO FORCE Side Discharge Mower

74142TE Z Master Commercial 2000 Series Riding Mower, with 48 TURBO FORCE Side Discharge Mower

74143 Z Master Commercial 2000 Series Riding Mower, with 52in TURBO FORCE Side Discharge Mower

74145 Z Master Commercial 2000 Series Riding Mower, with 60in TURBO FORCE Side Discharge Mower

74395 TimeCutter ZS 5000TF Riding Mower

74408 Z300 Z Master, With 34in 7-Gauge Side Discharge Mower

74408 Z334 Z Master, With 34in 7-Gauge Side Discharge Mower

74408CP Z300 Z Master, With 34in 7-Gauge Side Discharge Mower

74408CP Z334 Z Master, With 34in 7-Gauge Side Discharge Mower

74408TE Z300 Z Master, With 86cm 7-Gauge Side Discharge Mower

74408TE Z334 Z Master, With 86cm 7-Gauge Side Discharge Mower

74409 Z300 Z Master, With 40in 7-Gauge Side Discharge Mower

74409 Z340 Z Master, With 40in 7-Gauge Side Discharge Mower

74409CP Z300 Z Master, With 40in 7-Gauge Side Discharge Mower

74409CP Z340 Z Master, With 40in 7-Gauge Side Discharge Mower

74409TE Z300 Z Master, With 102cm 7-Gauge Side Discharge Mower

74409TE Z340 Z Master, With 102cm 7-Gauge Side Discharge Mower

74447TE 122cm TITAN HD 1500 Series Riding Mower

74450 48in TITAN HD 1500 Series Riding Mower

74451 52in TITAN HD 1500 Series Riding Mower

74451TE 132cm TITAN HD 1500 Series Riding Mower

74452 60in TITAN HD 1500 Series Riding Mower

74453 48in TITAN HD 1500 Series Riding Mower

74453TE 122cm TITAN HD 1500 Series Riding Mower

74454 52in TITAN HD 1500 Series Riding Mower

74454TE 132cm TITAN HD 1500 Series Riding Mower

74456TE 2000 Series HDX RD 122cm Riding Mower

74460 48in TITAN HD 2000 Series Riding Mower

74461 52in TITAN HD 2000 Series Riding Mower

74462 60in TITAN HD 2000 Series Riding Mower

74463 TITAN HD 2000 Series Riding Mower with 60in Rear-Discharge Deck

74465 48in TITAN HD 2000 Series Riding Mower

74465TE 122cm TITAN HD 1500 Series Riding Mower

74466 52in TITAN HD 2000 Series Riding Mower

74466TE 132cm TITAN HD 1500 Series Riding Mower

74467 60in TITAN HD 2000 Series Riding Mower

74470 48in TITAN HD 2500 Series Riding Mower

74471 52in TITAN HD 2500 Series Riding Mower

74472 60in TITAN HD 2500 Series Riding Mower

74480 60in TITAN HD 2000 Series Riding Mower

74490 48in Z Master Professional 2000 Series Riding Mower

74491 52in Z Master Professional 2000 Series Riding Mower

74492 60in Z Master Professional 2000 Series Riding Mower

74493 Z Master Professional 2000 Series MyRide 52in Riding Mower

74494 Z Master Professional 2000 Series MyRide 60in Riding Mower

74495 48in Z Master Professional 2000 Series Riding Mower

74496 60in Z Master Professional 2000 Series Riding Mower

74497 Z Master Professional 2000 Series MyRide 60in Riding Mower Special Edition

74641 TimeCutter MX 5060 Riding Mower

74643 TimeCutter MX 5060 Riding Mower

74770 TimeCutter MX 5050 Riding Mower

74771 TimeCutter MX 5050 Riding Mower

74798 TimeCutter SWX 5050 Riding Mower

74812 TITAN Z4800 Zero-Turn-Radius Riding Mower

74813 TITAN Z4800 Zero-Turn-Radius Riding Mower

74814 TITAN Z5200 Zero-Turn-Radius Riding Mower

74815 TITAN Z5200 Zero-Turn-Radius Riding Mower

74816 TITAN Z4800 Zero-Turn-Radius Riding Mower

74818 TITAN Z5200 Zero-Turn-Radius Riding Mower

74822 TITAN ZX5400 Zero-Turn-Radius Riding Mower

74823 TITAN ZX6000 Zero-Turn-Radius Riding Mower

74824 TITAN ZX6050 Zero-Turn-Radius Riding Mower

74830 TITAN ZX4800 Zero-Turn-Radius Riding Mower

74832 TITAN ZX5450 Zero-Turn-Radius Riding Mower

74833 TITAN ZX6030 Zero-Turn-Radius Riding Mower

74840 TITAN ZX5020 Zero-Turn-Radius Riding Mower

74841 TITAN ZX4820 Zero-Turn-Radius Riding Mower

74842 TITAN ZX5420 Zero-Turn-Radius Riding Mower

74843 TITAN ZX6020 Zero-Turn-Radius Riding Mower

74845 TITAN ZX4820 Zero-Turn-Radius Riding Mower

74846 TITAN ZX 4800 Zero-Turn-Radius Riding Mower

74848 TITAN ZX 5400 Zero-Turn-Radius Riding Mower

74851 TITAN ZX 4800 Zero-Turn-Radius Riding Mower

74852 TITAN ZX 5400 Zero-Turn-Radius Riding Mower

74853 TITAN ZX 6000 Zero-Turn-Radius Riding Mower

74855 TITAN ZX 4800 Zero-Turn-Radius Riding Mower

74861 TITAN ZX4800 Zero-Turn-Radius Riding Mower

74862 TITAN ZX5400 Zero-Turn-Radius Riding Mower

74863 TITAN ZX6000 Zero-Turn-Radius Riding Mower

74871 TITAN MX4880 Zero-Turn-Radius Riding Mower

74872 TITAN MX5480 Zero-Turn-Radius Riding Mower

74873 TITAN MX6080 Zero-Turn-Radius Riding Mower

74882 TITAN MX5400 Zero-Turn-Radius Riding Mower

74883 TITAN MX6000 Zero-Turn-Radius Riding Mower

74891 TITAN MX4800 Zero-Turn-Radius Riding Mower

74892 TITAN MX5400 Zero-Turn-Radius Riding Mower

74893 TITAN MX6000 Zero-Turn-Radius Riding Mower

74912 TITAN ZX4800 Zero-Turn-Radius Riding Mower

74914 TITAN ZX5400 Zero-Turn-Radius Riding Mower

74920 TITAN ZX4820 Zero-Turn-Radius Riding Mower

74924 TITAN ZX5420 Zero-Turn-Radius Riding Mower

76601 60in TITAN MAX Riding Mower

76601 60in TITAN MAX Riding Mower

77248 48in Z Master Professional 2000 Series Riding Mower

77260 60in Z Master Professional 2000 Series Riding Mower

77280 48in Z Master Professional 2000 Series Riding Mower

77282 52in Z Master Professional 2000 Series Riding Mower

77284 60in Z Master Professional 2000 Series Riding Mower

77287 60in Z Master Professional 2000 Series Riding Mower

77292TE 2000 Series HDX SD 132cm Riding Mower

78450 48in TITAN HD 1500 Series Riding Mower

79408 Z300 Z Master, With 34in 7-Gauge Side Discharge Mower

79409 Z300 Z Master, With 40in 7-Gauge Side Discharge Mower

Weight and Dimensions
Weight 10.7 lbs
No Hassle Returns

You may return parts and products for any reason within 30 days of the delivery date. All products must be unopened and returned in sellable condition. Return shipping including the purchase of shipping labels is the responsibility of the buyer. For your convenience, we offer the option to request a shipping label (the cost of shipping will be deducted from refund). The Mower Shop provides prepaid return shipping labels in the following cases: carrier damage, lost packages and incorrect items. 

Read Full Return Policy

Available on backorder

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