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S21ESNA (J00000001-J99999999 - 1990) Lawn Boy Lawn Mower - Overview

Sections of the S21ESNA

[Viewing 7 of 7]
Keep searches simple, eg. "belt" or "pump".
Key – Part Number: 612066
Key
PartSelect #: PS9048174
Manufacturer #: 612066
This is a Genuine Toro replacement part used on a variety of Walk Behind/Push Mowers. This is a Metal Half Moon Key and it is sold individually. The key helps to secure drive wheels to the Transmission Axle.
$6.55
  On Order
Shut Off Valve Kit – Part Number: 681818
Shut Off Valve Kit
PartSelect #: PS9059478
Manufacturer #: 681818
  No Longer Available
Blade (21-inch) – Part Number: 612543-03
Blade (21-inch)
PartSelect #: PS9054488
Manufacturer #: 612543-03
The blade within a lawn mower is one of the most important components, since it is what cuts the grass itself. This OEM blade is a high-lift blade made of high-quality metal and measures 21-inches in ...
$44.93
  In Stock
Order now and your part arrives by Jul 25
Locknut – Part Number: 603773
Locknut
PartSelect #: PS9044259
Manufacturer #: 603773
This is an authentic item that is supplied by the original equipment manufacturer for use with Toro lawn and garden equipment. It is a standard hardware which has multiple applications depending on th...
$6.55
  In Stock
Order now and your part arrives by Jul 25
Air Filter Element Foam – Part Number: 107-4621
Air Filter Element Foam
PartSelect #: PS8833897
Manufacturer #: 107-4621
This high quality replacement air filter element is an authentic OEM sourced part, it is not an aftermarket imitation. It is commonly utilized on Lawn Boy and Toro lawn mowers. Its purpose is to suppl...
$7.75
  In Stock
Order now and your part arrives by Jul 25
Washer-lock – Part Number: 3253-4
Washer-lock
PartSelect #: PS8954394
Manufacturer #: 3253-4
The lock washer goes next to the flat washer and is made of metal. It is available as an individual replacement part. This genuine item is supplied by the original equipment manufacturer for use with ...
$6.55
  In Stock
Order now and your part arrives by Jul 25
Plate-opening, Chute – Part Number: 95-7052
Plate-opening, Chute
PartSelect #: PS9168396
Manufacturer #: 95-7052
This manufacturer-certified Grass Chute is a black plastic part used to direct grass clippings. Installation is rated as "Easy" by customers, and requires a wrench or socket. The chute secures to the ...
  No Longer Available
Gasket Carb S – Part Number: 612574
Gasket Carb S
PartSelect #: PS9047828
Manufacturer #: 612574
This is an authentic Lawn Boy replacement part, sourced from the original manufacturer for use with lawnmowers. The special gasket is commonly used to seal the carburetor connection. It is recommended...
$9.36
  In Stock
Order now and your part arrives by Jul 25
Throttle Spr E – Part Number: 613142
Throttle Spr E
PartSelect #: PS9047852
Manufacturer #: 613142
This is an original Lawn Boy replacement part sourced directly from the manufacturer. The throttle spring is commonly found in lawn mowers. This is a metal part, used to help control the engine spee...
$12.19
  In Stock
Order now and your part arrives by Jul 25
Screw – Part Number: 614697
Screw
PartSelect #: PS9046638
Manufacturer #: 614697
This item is available as an individual replacement part. The metal screw attaches to the upper handle. A wrench might be required during the replacement of this part. It will require replacing if it ...
$6.40
  In Stock
Order now and your part arrives by Jul 25
Rope-recoil – Part Number: 613773
Rope-recoil
PartSelect #: PS9055021
Manufacturer #: 613773
The recoil rope attaches to the start handle and is made of a durable material. This authentic item is supplied directly from the original equipment manufacturer for use with lawn mowers and snowthrow...
$46.46
  In Stock
Order now and your part arrives by Jul 25
Screw-carr – Part Number: 3230-22
Screw-carr
PartSelect #: PS9276067
Manufacturer #: 3230-22
This part is sold individually. The screw attaches to the chute and is made of metal. A wrench might be needed during the installation process. It will require replacing if it strips or breaks. This p...
$6.40
  In Stock
Order now and your part arrives by Jul 25
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Questions And Answers for S21ESNA

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1 question answered by our experts.
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Mike
September 25, 2025
NEED Battery to fit this model
For model number S21ESNA
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Hello Mike, thank you for getting in touch. According to our research, the battery, part number PS9029796, is compatible with your model number. We hope this helps.

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