- This part is in stock in our warehouse and will ship out within 1 business day of the order being placed.
- New stock is on the way! On order parts usually ship within 7 business days.
- Item is not in stock and usually ships 10-15 business days from the time you place your order.
- This item is no longer being made by the manufacturer, and cannot be added to your shopping cart.
Blade (21-inch) 612543-03
- Manufactured by:
- Lawn Boy
- ERP Number:
- ERP9054488
- Part Number:
- 612543-03
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Product Description
?An authentic OEM supplied replacement part that is specially manufactured for use with Lawn Boy and Toro walk behind lawn mowers. This hi-lift blade is designed with larger wind wings that will increase the airflow aiding in bagging grass clippings. This part is made from durable metal and it is sold individually.
Frequently Purchased Together
?Troubleshooting
- Lawn Boy
- Toro
- Lawn Mower
Customer Part Reviews
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Customer Repair Instructions
All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part.
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Blade and mulching fan were both worn out.
Alan from Enid, Oklahoma
- Difficulty Level:
- Easy
- Total Repair Time:
- Less than 15 mins
- Tools:
- Socket set
- Parts Used:
- 99-6351-03, 612543-03
Replace old worn blade
Richard from Holt, Michigan
- Difficulty Level:
- Easy
- Total Repair Time:
- Less than 15 mins
- Tools:
- Socket set
- Parts Used:
- 612543-03
2.Clean bottom of mower deck
3.Installed new blade using socket wrench
Needed primer bulb on my lawn boy mower and it was time
WAYNE from Sebring, Florida
- Difficulty Level:
- Easy
- Total Repair Time:
- 15 - 30 mins
- Tools:
- Screw drivers, Socket set
Lawn mower blade was wore out, not sharp, couldn\'t cut butter
Frank from ROCHESTER, Minnesota
- Difficulty Level:
- Easy
- Total Repair Time:
- Less than 15 mins
- Tools:
- Wrench set
- Parts Used:
- 612543-03
Both Cable\'s we\'re kinked and needed replacing also replaced blade with new
Clyde from Paw Paw, Michigan
- Difficulty Level:
- Easy
- Total Repair Time:
- 30 - 60 mins
- Tools:
- Pliers, Screw drivers, Socket set
Next I installed brake cable making sure cable was on
Rough idle.
Travis from Covington, Louisiana
- Difficulty Level:
- A Bit Difficult
- Total Repair Time:
- 15 - 30 mins
- Tools:
- Pliers, Screw drivers, Socket set, Wrench set
Back wheels were worn out. 23 years old. New mulch and regular bkade. New air filter. All from normal wear and tear.
Norm from Ofallon, Missouri
- Difficulty Level:
- Easy
- Total Repair Time:
- 15 - 30 mins
- Tools:
- Socket set
- Parts Used:
- 99-6351-03, 92-1042, 612543-03, 107-4622
20 yrs old never sharpened decided to replace with new parts.
joseph from chelsea, Massachusetts
- Difficulty Level:
- Easy
- Total Repair Time:
- Less than 15 mins
- Tools:
- Wrench (Adjustable)
- Parts Used:
- 99-6351-03, 612543-03
Blade wore out
Dan from WHEELERSBURG, Ohio
- Difficulty Level:
- Easy
- Total Repair Time:
- Less than 15 mins
- Tools:
- Socket set
- Parts Used:
- 612543-03
Mower blade and air filter needed to be replaced
GEORGE from HORSE CAVE, Kentucky
- Difficulty Level:
- Easy
- Total Repair Time:
- 15 - 30 mins
- Tools:
- Screw drivers, Socket set
Removed the blade nut, then the blade
Put the new lade on then tightened the nut
Removed the air filter cover and the old filter
Installed the new filter and replace the cover
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Model Cross Reference
Manufacturer Part Number: 612543-03
| Brand | Model Number | Description |
|---|---|---|
| Lawn Boy | 10200 | Lawn Mower - Silver Series Lawnmower |
| Lawn Boy | 10201 | Lawn Mower - Silver Series Lawnmower |
| Lawn Boy | 10202 | Lawn Mower - Silver Series Lawnmower |
| Lawn Boy | 10210 | Lawn Mower - Silver Series Lawnmower |
| Lawn Boy | 10211 | Lawn Mower - Silver Series Lawnmower |
| Lawn Boy | 10212 | Lawn Mower - Silver Series Lawnmower |
| Lawn Boy | 10227 | Lawn Mower - Silver Series Lawnmower |
| Lawn Boy | 10236 | Lawn Mower - Silver Series Lawnmower |
| Lawn Boy | 10242 | Lawn Mower - Green Series Lawnmower |
| Lawn Boy | 10243 | Lawn Mower - Green Series Lawnmower |
| Lawn Boy | 10244 | Lawn Mower - Green Series Lawnmower |
| Lawn Boy | 10245 | Lawn Mower - Green Series Lawnmower |
| Lawn Boy | 10247 | Lawn Mower - Silverpro Series Lawnmower |
| Lawn Boy | 10247C | Lawn Mower - Silverpro Series Lawnmower |
| Lawn Boy | 10248 | Lawn Mower - Silver Series Lawnmower |
| Lawn Boy | 10249 | Lawn Mower - Silver Series Lawnmower |
| Lawn Boy | 10250 | Lawn Mower - Silver Series Lawnmower |
| Lawn Boy | 10252 | Lawn Mower - Silverpro Series Lawnmower |
| Lawn Boy | 10260 | Lawn Mower - Silver Series Lawnmower |
| Lawn Boy | 10262 | Lawn Mower - Silver Series Lawnmower |
| Lawn Boy | 10270 | Lawn Mower - Silver Series Lawnmower |
| Lawn Boy | 10270C | Lawn Mower - Silver Series Lawnmower |
| Lawn Boy | 10272 | Lawn Mower - Silver Series Lawnmower |
| Lawn Boy | 10272C | Lawn Mower - Silver Series Lawnmower |
| Lawn Boy | 10273C | Lawn Mower - Silver Series Lawnmower |
| Lawn Boy | 10301 | Lawn Mower - Silver Series Lawnmower |
| Lawn Boy | 10302 | Lawn Mower - Silver Series Lawnmower |
| Lawn Boy | 10304 | Lawn Mower - Silver Series Lawnmower |
| Lawn Boy | 10305 | Lawn Mower - Silver Series Lawnmower |
| Lawn Boy | 10307 | Lawn Mower - Silver Series Lawnmower |
Some of the parts we sell are eligible for mail-in rebates since we can recycle them. We will display any applicable rebates in your shopping cart. To redeem your rebate, contact Customer Service after you have received your part.