20318 Toro Lawn Mower - Overview

Diagrams for 20318

See every part. Know exactly what you need.

Parts for the 20318

$6.55

Shoulder Bolt

Part #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 and is rated as "Easy" by customers. It is mostly used to keep the wheel in place. It fits onto the unit frame and if broken or removed, th...Read more

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$46.15

Brake Cable

Part #112-8818

$6.55

Screw-hwh

Part #46-8091

This screw is an OEM part sourced directly from the manufacturer and is used in Toro snowthrowers. It requires a wrench and connects the ring-chute to the chute-discharge. The screw is made of metal and is sold as an individual part. Screws will need to be replaced when they become stripped.

$6.55

Nut-lock, Ni

Part #3296-29

The Ni Lock Nut (Nylock Nut) is a Silver, 5/16x18, individually sold metal nut. It can be adjusted and replaced using a wrench or socket and torque wrench to the manufacturer specfications, and is used to secure the sheer pin in place on the augur. These nuts are a one time use part due to their locking mechanism. You'll know the nut has...Read more

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$6.40

Washer

Part #40-1940

This OEM-sourced washer in your walk-behind lawnmower provides space and protects the rear wheel from rubbing against the pivot arm assembly, ensuring smooth wheel rotation. A damaged washer may appear worn or cracked, causing the rear wheel to feel misaligned or wobble excessively. If not replaced, it can lead to increased wear and expen...Read more

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$15.33

Support-blade

Part #108-3766-03

The Blade Support is a 6-x-3-inch Black, metal part used to support the blade. It's rated as "Easy" to install by customers. It must be torqued to manufacturer specifications which will require a socket set and wrench set. It attaches to the blade assembly. If there are rattling sounds or other srange sounds coming from the blade area tha...Read more

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$6.55

Cable Guide

★★★★★

(1)

Part #114-7988

This item is an authentic Toro replacement part that has been OEM sourced to be used with walk-behind lawnmowers. The plastic cable guide attaches to the handle assembly and is used to keep the control cable out of the way by securing it in the middle of the handle. This item is priced as a single part.

$6.55

Knob-handle

Part #117-5976

This item is a genuine replacement part that has been sourced from the original manufacturer to be used with lawnmowers from Toro and Lawn Boy. The handle locking knob is used with a bolt to secure the lower portion of the handle to the mower's deck assembly. This item is available as an individual replacement part.

$6.55

Knob Lever

Part #105-3042

This item is a genuine Toro replacement part that is OEM sourced to ensure quality. The plastic knob is intended to be used with walk-behind lawnmowers. This item attaches to the height adjustment lever and is used as a grip when changing the cutting height of the deck. The lever knob is priced individually and four may be needed.

$9.53

Decal-danger

Part #94-8072

$6.40

Screw-carr

Part #3229-11

This carriage screw is a genuine manufacturer sourced replacement part. It is specially designed for use with Toro snowblowers. This screw is generally used to secure the scraper blade. The square area under the head is designed to fit into a square hole in the workpiece. It is this square hole that restrains the screw and keeps it from t...Read more

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$16.87

Arm-spring

Part #105-1809

It is a genuine item that is supplied by the original equipment manufacturer for use with Toro and Lawn Boy lawn mowers. This is an identical replacement for a missing or a faulty arm-spring that was installed on a new unit. Please make sure to check the owners manual and the appropriate diagrams of your model for the exact location and a...Read more

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Questions And Answers for 20318

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Kenny - For model number 20318

May 18, 2026

Which spark plug and carburetor do I need?

Hello Kenny, thank you for reaching out. The spark plug for your model is part number PS12087471, and the carburetor kit is part number PS9893851. We hope this helps!

$55.64

Kit, Carburestor

$15.52

Plug: Spark

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Repair Tips From Fixers Like You

See how others fixed this model. Time, tools, difficulty, and steps that lead to victory! View More

Replaced cable brake

2 of 7 people found this instruction helpful.

Jo from SAINT LOUIS, MO
Very Easy
Less than 15 mins
Pliers, Socket set

Everything went very easy and was done in no time. After I put on new part, mower started right up.

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Wheel height adjuster lever (spring steel) cracked / split in two.

7 of 25 people found this instruction helpful.

Ray from YARDLEY, PA
Really Easy
Less than 15 mins
Socket set, Wrench set

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

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