Blade (21-inch) 612543-03

Specifications

-21''

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 With

Fan-mulching
$35.01

Air Filter Ele..
$4.99

Spark Plug
$8.71

Knob
$4.99

Handle Knob
$3.99

Compatibility

This part is compatible with the following machines:

Toro

20716 (8900001-8999999)(1998) Lawn Mower
20716 (9900001-9999999)(1999) Lawn Mower
20708 (7900001-7999999)(1997) Lawn Mower
20709 (8900001-89999999)(1998) Lawn Mower
20709 (9900001-9999999)(1999) Lawn Mower
20710 (7000001-7999999)(1997) Lawn Mower
20711 (8900001-89999999)(1998) Lawn Mower

20711 (9900001-99999999)(1999) Lawn Mower
20711 (200000001-200999999)(2000) Lawn Mower
20712 (7900001-7999999)(1997) Lawn Mower
20713 (8900001-8999999)(1998) Lawn Mower
20713 (9900001-9999999)(1999) Lawn Mower
20714 (7900001-7999999)(1997) Lawn Mower

Lawn Boy

Expand the 150+ compatible machines

Products Compatibility

This item works with the following types of products:

• Lawn Mower

Repair Instructions: Submitted by Customers Like You

2 of 2 people found this instruction helpful

Tool Type:

Lawn Mower

Parts Used:

Blade (21-inch) - 612543-03

Repair Difficulty:

Easy

Time Spent Repairing:

Less than 15 minutes

Tools Used:

Socket set

Replace old worn blade

1 Removed old blade with socket wrench
2.Clean bottom of mower deck
3.Installed new blade using socket wrench

Did you find this story helpful?

Thanks for voting and helping fellow customers!

1 of 1 people found this instruction helpful

Tool Type:

Lawn Mower

Parts Used:

Blade (21-inch) - 612543-03

Repair Difficulty:

Easy

Time Spent Repairing:

Less than 15 minutes

Tools Used:

Wrench Set

Lawn mower blade was wore out, not sharp, couldn't cut butter

Replaced the old blade with the new. Very easy!

Did you find this story helpful?

Thanks for voting and helping fellow customers!

Tool Type:

Lawn Mower

Parts Used:

Blade (21-inch) - 612543-03

Repair Difficulty:

Easy

Time Spent Repairing:

Less than 15 minutes

Tools Used:

Socket set

Blade wore out

Removed Nut holding blade and mulching blade replaced new blade and tighten bolt

Did you find this story helpful?

Thanks for voting and helping fellow customers!

Tool Type:

Lawn Mower

Parts Used:

Wheel And Tire Asm - 92-1042

Fan-mulching - 99-6351-03

Filter-air - 107-4622

Blade (21-inch) - 612543-03

Repair Difficulty:

Easy

Time Spent Repairing:

15-30 minutes

Tools Used:

Socket set, 2x4 for blade replacement

Back wheels were worn out. 23 years old. New mulch and regular bkade. New air filter. All from normal wear and tear.

Removed bolt on wheel and replaced with new wheel. Replaced filter. Replaced mulch and regular blade with ratchet and socket. Used 2 x 4 to lock blade while it was loosened.

Did you find this story helpful?

Thanks for voting and helping fellow customers!

Tool Type:

Lawn Mower

Parts Used:

Spring-choke - 95-5583

Spring-throttle - 98-7011

Air Base Assy - 95-5588

Airvane And Shaft Assy - 104-4430

Blade (21-inch) - 612543-03

Repair Difficulty:

Medium

Time Spent Repairing:

15-30 minutes

Tools Used:

Screwdriver, Pliers, Socket set, Wrench Set

Rough idle.

Removed the carb assembly and repaired each part ordered. Runs like a champ!

Did you find this story helpful?

Thanks for voting and helping fellow customers!

Tool Type:

Lawn Mower

Parts Used:

Stop-pivot - 107-0757

Anchor-cable - 93-7380

Cable-ground Speed - 100-5982

Blade (21-inch) - 612543-03

Brake Cable Assembly - 100-5989

Repair Difficulty:

Easy

Time Spent Repairing:

30-60 minutes

Tools Used:

Screwdriver, Pliers, Socket set

Both Cable's we're kinked and needed replacing also replaced blade with new

Took screw's from drive cover over spring and clutch unhooked spring, pulled spring through cover then replaced spring through cover and hooked back on lever put screws, back in cover threaded cable up the handle and re attached to swing handle.
Next I installed brake cable making sure cable was on

Did you find this story helpful?

Thanks for voting and helping fellow customers!

Tool Type:

Lawn Mower

Parts Used:

Air Filter Element Foam - 107-4621

Blade (21-inch) - 612543-03

Repair Difficulty:

Easy

Time Spent Repairing:

15-30 minutes

Tools Used:

Screwdriver, Socket set

Mower blade and air filter needed to be replaced

Put block of wood in the housing to stop the blade.
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

Did you find this story helpful?

Thanks for voting and helping fellow customers!

Tool Type:

Lawn Mower

Parts Used:

Fan-mulching - 99-6351-03

Blade (21-inch) - 612543-03

Repair Difficulty:

Easy

Time Spent Repairing:

Less than 15 minutes

Tools Used:

Adjustable Wrench

20 yrs old never sharpened decided to replace with new parts.

Not only did I replace the blade and fan mulching for my Lawn Boy, I also ordered and replaced the motor on my ceiling fan unit without buying the complete unit. I never heard of ereplacementparts.com but have since told all my friends about your web site. Fantastic. Will always check your site in the future.

Did you find this story helpful?

Thanks for voting and helping fellow customers!

Tool Type:

Lawn Mower

Parts Used:

Fan-mulching - 99-6351-03

Blade (21-inch) - 612543-03

Repair Difficulty:

Easy

Time Spent Repairing:

Less than 15 minutes

Tools Used:

Socket set

Blade and mulching fan were both worn out.

One nut holds both the mulching fan and blade to the lower crankshaft. Remove the nut and install both new parts.

Did you find this story helpful?

Thanks for voting and helping fellow customers!

Tool Type:

Lawn Mower

Parts Used:

Blade (21-inch) - 612543-03

Repair Difficulty:

Easy

Time Spent Repairing:

Less than 15 minutes

Tools Used:

Screwdriver, Socket set

Blade was chipped and cracked

Removed the old one and attached the new blade.

Did you find this story helpful?

Thanks for voting and helping fellow customers!

Reviews

Average Rating (out of 5):

6 Reviews

Click to filter by ratings:

5 stars

5

4 stars

1

3 stars

0

2 stars

0

1 stars

0

Sort by:

Highest Rating
Most Recent

< PREV

1

NEXT >

You had the right part !

Arrived on time and packaged well for delivery. This was the correct part, now my 20+ year old lawn boy mower is cutting grass great again. Thanks

Guest - April 29, 2022 Verified Purchase

Lawnboy #6461

Part worked great, shipping was good. Will be using them again.

Guest - April 11, 2021 Verified Purchase

Easy to find my parts for an old mower

They arrived in good time fit perfectly in my old lawnmower it’s like new. Super!

Guest - March 17, 2020 Verified Purchase

The same order came twice, so I have 2 of the same thing.

how do I return 1 of these orders. The parts were fine.

Guest - June 3, 2019 Verified Purchase

Perfect Fit!

Got the exact blade I needed, hard to find replacement parts for old mowers. Shipped quickly.

Guest - May 26, 2019 Verified Purchase

Lawn mower blade

Blade could have been a bit sharper

Guest - June 18, 2019 Verified Purchase

Verified Purchase

eReplacementParts Team

Sort by:

Highest Rating
Most Recent

< PREV

1

NEXT >

Questions & Answers for Blade (21-inch)