21378 Toro Lawn Mower - Overview
Models starting with 21378
Click on the best match to narrow your results.
Keep searches simple, eg. "belt" or "pump".
Stepped Washer
PartSelect #: PS9048394
Manufacturer #: 614426
The Stepped Washer is used to secure the wheels onto the shaft of a push mower. It attaches to the wheel axle. If broken due to wear/fatigue, the wheel will come off and the part should be replaced. I...
$6.40
In Stock
Lawn Mower Mulching Blade (22-In)
PartSelect #: PS11804777
Manufacturer #: 131-4547-03
This is a genuine OEM replacement blade for use on Lawn Mowers. If the blade is too dull it will tear the grass instead of an even cut. A bent or damaged blade can cause serious damage or injuries. Yo...
$27.36
In Stock
Lawn Mower Cable Traction
PartSelect #: PS8850145
Manufacturer #: 119-2379
This cable-traction is sourced directly from the original equipment manufacturer. It is specially designed for use with Toro lawn mowers. The traction cable engages drive wheels on the equipment. Over...
$43.18
In Stock
Side Discharge Chute
PartSelect #: PS8847392
Manufacturer #: 115-8447
This is a genuine OEM sourced replacement part designed for use on Toro lawn mowers. It is mounted to the side of the mower for the cut grass to be expelled out of it. This part is made out of plastic...
$24.54
In Stock
Rear Baffle
PartSelect #: PS8856278
Manufacturer #: 120-5218
The Toro Rear Baffle is a genuine OEM part designed specifically for your lawn mower. This crucial component attaches under the mower deck, effectively directing grass clippings out the discharge chut...
$40.46
In Stock
Baffle-front
PartSelect #: PS8845729
Manufacturer #: 114-7963-01
This is an original part from the Toro manufacturer. The metal, front baffle is compatible with many lawn mower machines. This part is fastened within the front of the housing assembly, reinforcing th...
$50.23
In Stock
Shoulder Bolt
PartSelect #: PS9046634
Manufacturer #: 614650
The Shoulder Bolt is a 3/8-16 x 3-5/8 bolt, certified by the original equipment manufacturer. It is a metal bolt which is individually sold and comes in black. Installation requires a wrench or socket...
$6.40
In Stock
Bearing-ball
PartSelect #: PS8824569
Manufacturer #: 104-8699
This is a Genuine OEM replacement part used on a variety of Lawn Mowers. This item is made out of Metal and it is Sold Individually. If either the ball bearing or the bearing retainer wear out this wi...
$6.73
In Stock
Trailing Shield
PartSelect #: PS17016558
Manufacturer #: 144-6431
This shield-trailing is designed for use with Toro lawn mowers. It is an authentic item that is supplied directly from the original equipment manufacturer. The component is secured to the mower's deck...
$23.00
In Stock
Screw-taptite
PartSelect #: PS9180925
Manufacturer #: 95-1726
This is a high quality replacement hardware that is specially manufactured for use on Toro lawn and garden equipment. Two of these screws are generally used to secure the belt guide to the mower deck....
$6.40
In Stock
Side Deflector
PartSelect #: PS8845543
Manufacturer #: 115-8449
This is a genuine OEM sourced replacement part designed for use on Toro lawn mowers. It is mounted to the side of the mower and it acts as a door to keep the grass under the deck. This makes your gras...
$12.25
In Stock
V-Belt
PartSelect #: PS8849602
Manufacturer #: 117-1018
This is a genuine replacement v-belt sourced from original manufacturer and it is used on Toro lawn mowers. This part is made out of rubber and it is sold individually. This is the the belt that is at...
$22.52
In Stock
Exact Part matches for your search term
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Ring comp
This part number matches the current model number 21378
PartSelect #: PS12399197
Manufacturer #: 21378
No Longer Available
Complete ring
This part number matches the current model number 21378
PartSelect #: PS16864434
Manufacturer #: 21378
No Longer Available
Keep searches simple. Use keywords, e.g. "leaking", "pump", "broken" or "fit".
drive cable broke
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Donald from MARION, IA
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Difficulty Level:Very Easy
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Total Repair Time:15 - 30 mins
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Tools:Socket set, Wrench (Adjustable)
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trailing shield had broken off the mower, rendering bag useless.
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Judy from PRINCETON, MN
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Difficulty Level:Very Easy
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Total Repair Time:Less than 15 mins
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Tools:Wrench (Adjustable)
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Wheel height adjuster lever (spring steel) cracked / split in two.
Tip mower onto side, raising side to be repaired. Empty gas tank if possible or use rags to prevent gasoline drips onto clean surfaces.
Remove wheel using a 1/2" socket.
Remove wheel height assembly with 1/2" socket and open end wrench to hold nut below the deck.
Position new spring arm over the slot on wheel height ... Read more assembly plate. Check opposite side to verify correct orientation if needed.
Remove plastic cover from old lever using a small flat blade screwdriver. Slip onto new lever.
Replace wheel height assembly.
Replace wheel.
Remove wheel using a 1/2" socket.
Remove wheel height assembly with 1/2" socket and open end wrench to hold nut below the deck.
Position new spring arm over the slot on wheel height ... Read more assembly plate. Check opposite side to verify correct orientation if needed.
Remove plastic cover from old lever using a small flat blade screwdriver. Slip onto new lever.
Replace wheel height assembly.
Replace wheel.
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Parts Used:
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Ray from YARDLEY, PA
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Difficulty Level:Really Easy
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Total Repair Time:Less than 15 mins
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Tools:Socket set, Wrench set
5 of 23 people
found this instruction helpful.
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