Best Lawn Mower Key Switches of 2026

Bryan Hicks Avatar
Bryan Hicks
Last Updated: Jan 10, 2026

* We independently evaluate all recommended products and services. If you click on links we provide, we may receive compensation.

Lawn mower key switches are an essential component for starting and operating lawn mowers. These switches are designed to provide a secure and convenient way to turn on and off the mower engine, ensuring maximum safety and ease of use. With a variety of styles and designs available, lawn mower key switches can be customized to fit specific models and brands of lawn mowers. Whether for commercial or residential use, these switches are a reliable and durable solution for powering up lawn mowers and keeping them running smoothly.

At a Glance: Our Top Picks

abczok Ignition Starter Switch Cover #TOP 1
abczok Ignition Starter Switch
ftb score rating icon 9.8
ROVIKE Lawn Tractor Ignition Switch 5-Terminal Cover #TOP 2
ROVIKE Lawn Tractor Ignition Switch 5-Terminal
ftb score rating icon 9.7
Tecreddy Ignition Switch for ExMark Toro Z Master Series Cover #TOP 3
Tecreddy Ignition Switch for ExMark Toro Z Master Series
ftb score rating icon 9.5

Top 10 Lawn Mower Key Switches

#TOP 1

abczok Ignition Starter Switch

AST-20117
abczok Ignition Starter Switch Cover
Craftsman Riding Lawn Tractor Mower Ignition Starter Switch fit for MTD Craftsman, John Deere,Toro,Snapper,Scag with 3 Position 5 Termials

The abczok Ignition Switch is designed to fit various lawn mower models, including Toro and John Deere. This aftermarket switch comes with 430 keys, ensuring you have the right key for your equipment. Its durable construction provides high performance, making it a reliable choice for your lawn mower needs. With this switch, you can easily start your mower, enhancing your overall mowing experience. You’ll appreciate the convenience of having a dependable ignition system that keeps your mower running smoothly and efficiently.

What We Like
Compatible with multiple brands
Includes 430 keys
Durable construction
High performance
#TOP 2

ROVIKE Lawn Tractor Ignition Switch 5-Terminal

925-04659
black
ROVIKE Lawn Tractor Ignition Switch 5-Terminal Cover
Lawn Mowers Tractor Ignition Switch With Key 5 terminals For MTD Craftsman Ariens Bad Boy Bolens Huskee Chopper Murray Sabre Scotts Yard Machines Yardman Cub Cadet Colt XP Dixie 925-04659 725-04659

The ROVIKE Ignition Switch is designed to replace your lawn tractor's ignition system easily. With its 5-terminal, 3-position design, it works smoothly without a headlight control, making it a straightforward fix for your mower's ignition issues. It fits a wide range of MTD and Craftsman models, ensuring you can get your RT99, LT5, or CR12 tractors running again without hassle. Plus, it’s compatible with Ariens mowers, including popular models with decks from 34 to 52 inches, giving you flexibility. This switch also supports many Bad Boy and Dixie Chopper mowers, so you can trust it to fit multiple brands and keep your equipment ready to go.

What We Like
Wide model compatibility
5-terminal, 3-position design
Fits popular MTD and Craftsman tractors
Compatible with Ariens mowers
Supports Bad Boy and Dixie Chopper
#TOP 3

Tecreddy Ignition Switch for ExMark Toro Z Master Series

117-2221
Tecreddy Ignition Switch for ExMark Toro Z Master Series Cover
Ignition Switch 3 Postion for ExMark Toro 117-2221 137-4100 Z Master Time Cutter SS ZS Series Titan Lazer Z Quest Next Lazer Z Zero Turn Lawn Mower

The Tecreddy Ignition Switch is designed to fit popular lawn mower models like ExMark, Toro Z Master, and TimeCutter series, making it a reliable replacement part for your mower’s ignition system. It features a 3-position control with five terminals, allowing you to easily manage functions such as stopping the engine or engaging reverse. Made from durable ABS and high-quality brass, this switch ensures safety and excellent electrical conductivity for smooth operation. Installation is quick and simple—you just unplug the old switch, connect the wires to the new one, and snap it into place, so you can get back to mowing in no time.

What We Like
Wide model compatibility
3-position control
Durable ABS and brass
Easy installation
#TOP 4

Ignition Starter Switch for Lawn Mowers

925-04228
black
Ignition Starter Switch for Lawn Mowers Cover
Lawn Mower Ignition Switchwith Key 5 terminals 3 Position Fits Cub MTD Craftsman Cadet Ariens Troy-Bilt Bad Boy Zero Turn Lawn Tractor John Deere Replace#925-04659 725-04659 725-04228 from NFSpeeding

The Ignition Starter Switch 3 Position 925-04228 with Key from NFSpeeding is a durable and easy to install switch suitable for lawn mower models from various brands, including Cub Cadet, Troy-Bilt, MTD Craftsman, John Deere, and Husqvarna. Make sure to check the part number before purchasing. If you have any questions, NFSpeeding provides helpful customer support within 24 hours.

What We Like
Durable and easy to install
Suitable for various lawn mower models from popular brands
Comes with reference opinions from NFSpeeding
#TOP 5

Femory Replacement Ignition Keys for Cub Cadet and Troy Bilt Mowers

Ignition Keys
Femory Replacement Ignition Keys for Cub Cadet and Troy Bilt Mowers Cover
2 Pack Ignition Keys Replacement for Lawn Mower Cub Ca-det MTD Troy Bilt Ridding Mower Craftsman 925-2054A 925-1745A 925-1744A 625-05000 625-05002 725-1745 725-2054

The Femory Mower Ignition Keys are designed to fit a wide range of lawn mowers, including popular Troy Bilt models like TB2350 and TB2246. If you own a Cub Cadet mower, these keys are compatible with various models such as CC30 and GT1054, ensuring you can easily replace lost or worn-out keys. These keys also work with many MTD garden tractors and riding mowers, making them a versatile choice for different brands. Additionally, the keys come with a handy multi-functional key chain, so you can keep them organized and accessible whenever you need to start your mower quickly.

What We Like
Wide mower compatibility
Includes multi-functional key chain
Fits popular mower brands
Easy replacement solution
#TOP 6

HD Switch 10 AMP Blade Clutch PTO Switch for Exmark Toro Lazer Z Z Master

Yellow
HD Switch 10 AMP Blade Clutch PTO Switch for Exmark Toro Lazer Z Z Master Cover
HD Switch 10 AMP Blade Clutch PTO Switch for Exmark Toro 116-0124 103-5221 Lazer Z, Z Master 109-7666 103-2453 103-3246 109-7665 109-7673 116-1611 103-3132 116-1947 116-1620 116-1604 114-8150 116-1626

The HD Switch 10 AMP PTO offers enhanced performance designed to meet your lawn mower's needs. With a heavy-duty 10 AMP rating, it upgrades the standard 5 AMP switch, giving you more reliable power for your equipment. Its waterproof design, certified with an IP53 rating, means you won't have to worry about moisture damaging the switch, making it perfect for outdoor use. Additionally, this switch has been durability tested to last through 200,000 cycles, so you can count on it for long-term reliability. Overall, the HD Switch 10 AMP PTO gives you a sturdy, dependable switch that helps keep your mower running smoothly.

What We Like
Heavy-duty 10 AMP rating
Waterproof IP53 certification
Long-lasting durability
Enhanced performance
#TOP 7

XINRINTONG Ignition Switch for Cub Cadet & MTD

725-04227
Black
XINRINTONG Ignition Switch for Cub Cadet & MTD Cover
925-06119c 725-04227 Ignition Switch Module with Key for Cub Cadet Cub Cadet LT1042 LT1045 LT1046 LTX1040 XT1 LT42 LT46 LT50 XT2 LT42 LT46 SLX50/MTD Craftsman T110 T1200 T1400 T1600

The XINRINTONG Cub Cadet Switch is a reliable replacement ignition module designed to fit various Cub Cadet and MTD lawn mower models. It covers numerous part numbers, ensuring you find the exact match for your mower, which makes maintenance hassle-free. This switch works with a wide range of MTD Craftsman models, so it offers broad compatibility for many users. Additionally, it supports multiple Cub Cadet series, including XT1, XT2, and GT models, providing you with versatile options for different mower types. With this switch, you get convenience and peace of mind knowing your mower will start smoothly and reliably.

What We Like
Wide part number compatibility
Fits many MTD Craftsman models
Supports multiple Cub Cadet series
Reliable ignition module
#TOP 8

Hoypeyfiy 5-Terminal Ignition Switch for ExMark and Toro Mowers

HMY684
Hoypeyfiy 5-Terminal Ignition Switch for ExMark and Toro Mowers Cover
Hoypeyfiy 5 Terminals Ignition Switch with 2 Keys 117-2221 137-4100 Replacement for ExMark Toro Z Master TimeCutter ZS SS Series Titan Exmark Lazer Z

The Hoypeyfiy Ignition Switch is designed as a reliable replacement for key ignition parts on popular zero-turn mowers like ExMark Lazer Z and Toro Z Master models. It fits serial numbers 850,000 and higher, ensuring compatibility with many newer mowers you might own. With five terminals and three positions, this switch supports your mower's electrical system efficiently, providing smooth operation. The package includes the switch and a key, so you have everything needed for a quick and easy swap. This replacement helps restore your mower’s starting function without hassle, letting you get back to work faster.

What We Like
Wide mower compatibility
Includes key for convenience
Three-position switch
Five terminal connections
#TOP 9

AUTOBABA Ignition Switch for Mowers

925-1741
black / black
AUTOBABA Ignition Switch for Mowers Cover
Ignition Switch with Key 7 terminals Compatible with Husqvarna Craftsman Deere John MTD Murray Riding Lawn Mower Replace# 925-1741 175566 175442 GY20074 94762 163968 532175566

The AUTOBABA Ignition Switch is designed for various riding lawn mowers, including models from Husqvarna and John Deere. It ensures compatibility with numerous models, providing a seamless replacement for your existing switch. This product is built to meet original factory specifications, ensuring a perfect fit and long-lasting performance. By using high-quality materials, it guarantees durability, so you can rely on it for years. With a one-year quality support service, you can have peace of mind knowing help is available if you encounter any issues.

What We Like
Wide compatibility
Durable materials
Factory specifications
1-year quality support
#TOP 10

HD Switch 2-Pack Premium Keys for Toro TimeCutter Zero Turn Mowers

B07DBHLS3H
Black
HD Switch 2-Pack Premium Keys for Toro TimeCutter Zero Turn Mowers Cover
2Pk HD Switch Premium Key Fits Toro TimeCutter Zero Turn 4225 5060 SS4235 SS5000 SS3200 SS3216 SS3225 SS4200 SS4225 SS4250 SS4260 SS5035 SW3200 SW4200 SW5000 for Ignition Switch 117-2221 117-2222

The HD Switch Premium Keys are designed to give you smooth and reliable ignition for your Toro TimeCutter Zero Turn mower. These keys feature precision molding that ensures a perfect fit and easy turning, making starting your mower hassle-free. The soft-grip umbrella design protects the key from dust, dirt, and water, so you can trust it to last even in tough outdoor conditions. Plus, the keys come with a handy carabiner keychain, so you can keep them safe and accessible. Note that the switch itself is not included with this set.

What We Like
Precision molded fit
Soft-grip umbrella design
Dust and water protection
Includes carabiner keychain
Buying Guide Image

Frequently Asked Questions (FAQs)

1. Are most lawn mower keys the same?

While not all brands of lawn mowers have the same universal key, many brands have a universal key model for their own models. Some ride-on lawnmower brands also share a similar key that can start most of their models.

2. What does an interlock switch do on a lawn mower?

An interlock switch on a lawn mower is a safety feature. When functioning correctly, it prevents the engine from starting unless the brake is pressed down or the parking brake is engaged. If the interlock switch is broken, it can prevent current from reaching the starter solenoid coil, resulting in the engine not starting.

3. How do I know if my ignition switch is going out?

If you insert your key into the ignition switch but it gets stuck and won't turn to the "start" position, it could indicate a problem with the ignition switch. In such cases, your car may refuse to start. If you experience this issue, it is recommended to have your car checked by a professional as soon as possible.

4. Do all lawn mowers take the same key?

Not all lawn mowers have the same universal keys, but many manufacturers offer a universal key model for their own lawn mower models. Additionally, some ride-on lawnmower manufacturers use a similar key that can be used to start most of their models.

5. How do I get a new lawn mower key?

To get a new lawn mower key, you can visit a hardware store or a home improvement store. Replacement lawn mower keys are commonly available in these stores. In case you misplace your original key, it is possible that you may find a replacement key in your garage. In an emergency, pliers can be used to start the mower without a key.

6. How do you bypass a broken ignition switch?

To bypass a broken ignition switch, you can connect the positive terminal of the battery to the positive side of the ignition coil. Additionally, identify the starter solenoid and connect it to the positive terminal of the battery. Then, unplug the ignition switch wire from the solenoid and short the solenoid's terminal to where the ignition switch connects.

7. What causes ignition switch to go bad?

There are several factors that can cause an ignition switch to go bad. Worn contacts, temperature issues, or broken springs can contribute to the failure of the ignition switch. Poor ignition switch contacts can even cause the engine to shut off while driving, which can be dangerous.

8. Are interlock switches safe?

Interlock switches, or safety interlock devices, are essential for ensuring machine safety. They comply with relevant safety standards such as ISO 14119 and ISO 13849. Meeting these safety standards is crucial for maintaining a safe operating environment.

Editor's Notes

During our lawn mower key switch research, we found 24 lawn mower key switch products and shortlisted 10 quality products. We collected and analyzed 17,402 customer reviews through our big data system to write the lawn mower key switches list. We found that most customers choose lawn mower key switches with an average price of $14.32.

The lawn mower key switches are available for purchase. We have researched hundreds of brands and picked the top brands of lawn mower key switches, including abczok, ROVIKE, Tecreddy, NFSpeeding, Femory. The seller of top 1 product has received honest feedback from 382 consumers with an average rating of 4.7.

Written by
Bryan Hicks Avatar

Bryan Hicks is a professional gardener and a writer who lives in North Texas with his family and his dog. Bryan has spent more than half of his life surrounded by garden products. He has extensive experience in garden makeovers and maintenance and lawn care. His areas of expertise include outdoor decoration, gardening and garden design.