Aftermarket Replacement for Toro 112-3977 Shoulder Bolt, 1-603299 Deck Wheel & Lock Nut Kit
Item Specifics
- Part Number: Replaces 112-3977, 1-603299
- Brand: Aftermarket (Fits Toro)
- Type: Shoulder Bolt, Deck Wheel, Lock Nut Kit
- Quantity: 9 Pieces (3 Bolts, 3 Wheels, 3 Nuts)
- Application: Deck Rollers
Product Description
This comprehensive aftermarket hardware kit includes three shoulder bolts, one deck wheel, and three 3/8-16 flange nylon lock nuts. Designed specifically as a direct replacement for Toro part numbers 112-3977 and 1-603299, this kit provides all the necessary components to secure and maintain your mower’s deck rollers.
Manufactured to meet or exceed OEM specifications, these aftermarket components are engineered to withstand the demanding conditions of commercial and residential mowing. The nylon lock nuts are designed to prevent loosening under heavy vibration, ensuring your deck wheels remain securely in place during operation.
Replace worn, stripped, or missing hardware with this complete aftermarket kit to restore proper deck wheel function and extend the life of your equipment without the premium price tag of genuine dealer parts. Red Rock Turf provides high-quality replacement parts to keep your machinery running at its best.
Included Components
| Part Number | Description | Quantity |
|---|---|---|
| Replaces 112-3977 | Shoulder Bolt | 3 |
| Replaces 1-603299 | Deck Wheel | 3 |
| N/A | 3/8-16 Flange Nylon Lock Nut | 3 |
Compatible Models
Toro Hardware Kit (Shoulder Bolt, Deck Wheel & Lock Nut) – Grouped Compatible Models
| Equipment Category | Model Numbers |
|---|---|
| Groundsmaster 3200 / 3300 Series | 31900, 31901, 31902, 31903, 31907, 31909, 31970, 31971, 31972, 31973, 31974, 31975 |
| XLS Lawn Tractor | 71255 |
| Zero‑Turn (MZ19H / G‑Series) | 725058016, 725058046, 725058056, 725058066, 725058076, 725058086, 94360, 94370, 94372, 94375, 94806, 94818 |
| TimeCutter ZS Series | 74386, 74387, 74389, 74390, 74395, 74655, 74656, 74657, 74660, 74661, 74665, 74667 |
| TimeCutter SS Series | 74616, 74622, 74623, 74624, 74625, 74626, 74627, 74628, 74630, 74631, 74632, 74633, 74635, 74636, 74637, 74638, 74705, 74706, 74711, 74720, 74721, 74722, 74723, 74725, 74726, 74726TA, 74730, 74731, 74732, 74740, 74741 |
| TimeCutter MX Series | 74640, 74641, 74642, 74643, 74727, 74750, 74760, 74760TA, 74765, 74766, 74766TA, 74768, 74770, 74771, 74772, 74773, 74774, 74774TA, 74775, 74776, 74778 |
| TimeCutter SW / SWX Series | 74675, 74676, 74680, 74784, 74785, 74787, 74790, 74793, 74795, 74797, 74798 |
| TimeCutter ZX / Z Series | 74406, 74407, 74603, 74806, 74360, 74363, 74365, 74366, 74370, 74372, 74373, 74374, 74375, 74376, 74380, 74381, 74391, 74398, 74399 |
| TimeCutter General & MyRide | 75740, 75741, 75742, 75742TA, 75742W, 75743, 75744, 75745, 75745TA, 75745W, 75750, 75750W, 75751, 75753, 75754, 75755, 75755TA, 75755W, 75757, 75759, 75760, 75760W |
| Titan / Titan ZX / Titan MX | 74812, 74813, 74814, 74815, 74816, 74818, 74820, 74822, 74823, 74824, 74830, 74832, 74833, 74840, 74841, 74842, 74843, 74845, 74871, 74872, 74873, 74912, 74914, 74920, 74924 |
| Precision Z Series | 81270, 81271 |
Note: Includes shoulder bolt (112-3977), deck wheel (1-603299), and 3/8-16 flange lock nut. Toro has used this hardware since 2007 and continues to use it. Total compatible models: 170+. If unsure, provide model & serial for verification.
Key Details
- High-quality aftermarket replacement kit
- Replaces Toro part numbers 112-3977 and 1-603299
- Includes shoulder bolts, deck wheel, and nylon lock nuts
- Designed for deck roller applications
- Built to meet or exceed OEM specifications for durability
We at Red Rock Turf are a stocking distributor for Briggs and Stratton, Kohler, Kawasaki and Toro. We don’t only sell their OEM parts but we also use them on our equipment repairs and rebuilds. If there is something you need and don’t see it, then please feel free to get a hold of us, call or text 435-213-5854.
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