Genuine Toro parts for the Toro 78537 (Blower and Drive Kit, 52in E-Z Vac Bagger for Z400 and Z500 Series Z Master Mowers) — 2 exploded parts diagrams and 70 parts with their Toro part numbers. Find the part by its number on the diagram, then its part number in the list below it. Lawn Barn is an authorized Toro dealer: parts we have ship from our shelf, and we order Toro parts every day.
Not sure which part you need? Call Lawn Barn at 215-757-3850 with the model and serial number — a few parts changed between serial ranges.
Toro 78537 Belt, Pulley and Cover Assembly

| Ref | Part | Part number | Qty | At Lawn Barn |
|---|---|---|---|---|
| 1 | Belt Cover Assembly | 112-1754 | 1 | $242.99 · Usually ships in 3 business days |
| 1:2 | Swell Latch | 74-5950 | 1 | $21.90 · Usually ships in 3 business days |
| 1:3 | Washer | 99-3058 | 1 | $3.03 · Usually ships in 3 business days |
| 2 | Blower Pulley | 112-8669-03 | 1 | $135.99 · Usually ships in 3 business days |
| 3 | Extension Spring | 1-603693 | 1 | $13.99 · Usually ships in 3 business days |
| 4 | V-Belt | 112-2343 | 1 | $38.99 · Usually ships in 3 business days |
| 5 | Hinge Assembly Blower | 110-3907-01 | 1 | $157.99 · Usually ships in 3 business days |
| 6 | Ni Lock Nut | 3296-39 | 3 | $2.39 · Usually ships in 3 business days |
| 7 | Hh Screw | 323-6 | 3 | $1.50 · Usually ships in 3 business days |
| 8 | Template | 112-2302 | 1 | $39.99 · Usually ships in 3 business days |
| 9 | Pulley Mount Assembly | 140-4906 | 1 | Not available |
| 10 | Ni Hf Nut | 104-8301 | 3 | $2.50 · Usually ships in 3 business days |
Toro 78537 Blower Drive Assembly

| Ref | Part | Part number | Qty | At Lawn Barn |
|---|---|---|---|---|
| 1 | Grass Catcher Latch | 1-353054 | 1 | $7.49 · Usually ships in 3 business days |
| 2 | Flange Housing | 1-513013 | 4 | $4.79 · Usually ships in 3 business days |
| 3 | Spring Washer | 1-513208 | 1 | $7.99 · Usually ships in 3 business days |
| 4 | Flat Washer | 3256-26 | 1 | $1.50 · Usually ships in 3 business days |
| 5 | Upper Housing Assembly | 112-1771 | 1 | $652.99 · Usually ships in 3 business days |
| 5:2 | Warning Decal | 106-3339 | 1 | $12.99 · Usually ships in 3 business days |
| 5:3 | Missing Cover Decal | 98-5954 | 1 | $8.99 · Usually ships in 3 business days |
| 5:4 | Decal | 112-1770 | 1 | $23.99 · Usually ships in 3 business days |
| 6 | Inside Idler | 1-653322 | 1 | $62.99 · Usually ships in 3 business days |
| 7 | Bearing | 1-653346 | 2 | $71.99 · Usually ships in 3 business days |
| 8 | Bumper | 109-1122-01 | 1 | $116.99 · Usually ships in 3 business days |
| 9 | Spacer | 1-653365 | 1 | $25.99 · Usually ships in 3 business days |
| 10 | Hub | 1-653366 | 1 | Not available |
| 11 | Blower Backing Plate | 1-653596-03 | 1 | $48.99 · Usually ships in 3 business days |
| 13 | Hsbh Screw | 3274-69 | 2 | $1.50 · Usually ships in 3 business days |
| 14 | Idler Pivot Bushing | 103-0130 | 1 | $16.99 · Usually ships in 3 business days |
| 15 | Pulley | 112-2345 | 1 | $110.99 · Usually ships in 3 business days |
| 16 | Flat Idler | 103-1103 | 1 | $70.99 · Usually ships in 3 business days |
| 17 | Bearing Cover Assembly | 112-1772 | 1 | $134.99 · Usually ships in 3 business days |
| 17:2 | Warning Decal | 103-3508 | 1 | $22.99 · Usually ships in 3 business days |
| 18 | Impeller | 103-3815 | 1 | $305.99 · Usually ships in 3 business days |
| 19 | Rubber Latch | 103-4080 | 2 | $30.99 · Usually ships in 3 business days |
| 20 | Small Blower Chute | 103-4171 | 1 | $342.99 · Usually ships in 3 business days |
| 21 | Bottom Plate | 112-1761-03 | 1 | $75.99 · Usually ships in 3 business days |
| 22 | Blower Mount Assembly | 110-0334-03 | 1 | $559.99 · Usually ships in 3 business days |
| 22:1:7 | Roll Pin | 1-806323 | 1 | $1.50 · Usually ships in 3 business days |
| 22:1:2 | Grass Catcher Shaft | 1-353050 | 1 | $16.99 · Usually ships in 3 business days |
| 23 | Idler Arm Assembly | 110-3893 | 1 | $167.99 · Usually ships in 3 business days |
| 23:2 | Bushing | 1-653600 | 2 | $19.99 · Usually ships in 3 business days |
| 23:3 | Grease Fitting | 302-19 | 1 | $1.50 · Usually ships in 3 business days |
| 23:4 | Warning Decal | 1-653558 | 1 | $6.99 · Usually ships in 3 business days |
| 24 | Hh Screw | 321-3 | 8 | $1.50 · Usually ships in 3 business days |
| 25 | Hh Screw | 323-11 | 2 | $2.50 · Usually ships in 3 business days |
| 26 | Hh Screw | 323-12 | 2 | $2.50 · Usually ships in 3 business days |
| 27 | Hh Screw | 323-7 | 1 | $1.50 · Usually ships in 3 business days |
| 28 | Hh Screw | 323-8 | 3 | $2.50 · Usually ships in 3 business days |
| 29 | Hex Nut | 3219-6 | 1 | $2.99 · Usually ships in 3 business days |
| 30 | Ni Lock Nut | 3296-28 | 1 | $1.50 · Usually ships in 3 business days |
| 31 | Carr Screw | 3229-1 | 2 | $3.49 · Usually ships in 3 business days |
| 32 | Carr Screw | 3229-11 | 3 | $1.50 · Usually ships in 3 business days |
| 33 | Carr Screw | 3230-18 | 6 | $4.19 · Usually ships in 3 business days |
| 34 | Flat Washer | 3256-16 | 12 | $1.50 · Usually ships in 3 business days |
| 35 | Plain Washer | 3256-24 | 1 | $1.50 · Usually ships in 3 business days |
| 36 | Flat Washer | 3256-3 | 2 | $1.50 · Usually ships in 3 business days |
| 37 | Flat Washer | 3256-4 | 4 | $1.50 · Usually ships in 3 business days |
| 38 | Woodruff Key | 3257-32 | 1 | $2.59 · Usually ships in 3 business days |
| 39 | Hsbh Screw | 3274-107 | 1 | $3.99 · Usually ships in 3 business days |
| 40 | Flat Washer | 3256-22 | 2 | $1.50 · Usually ships in 3 business days |
| 41 | Hsf Nut | 3290-357 | 8 | $1.50 · Usually ships in 3 business days |
| 42 | Hsbh Screw | 3274-39 | 12 | $4.99 · Usually ships in 3 business days |
| 43 | Ni Lock Nut | 3296-39 | 2 | $2.39 · Usually ships in 3 business days |
| 44 | Ni Lock Nut | 3296-47 | 2 | $3.69 · Usually ships in 3 business days |
| 45 | Hf Nut | 32128-20 | 6 | $1.50 · Usually ships in 3 business days |
| 46 | Hf Nut | 32128-33 | 15 | $1.50 · Usually ships in 3 business days |
| 47 | Ni Lock Nut | 3296-2 | 8 | $2.50 · Usually ships in 3 business days |
| 48 | Rear Filler Plate | 112-1762-03 | 1 | $41.99 · Usually ships in 3 business days |
| 57 | Stop Latch | 112-1787 | 1 | $26.99 · Usually ships in 3 business days |
| 58 | Spacer | 104-8426 | 1 | Not available |