I Tested the Toro Timecutter: My Experience with the Ignition Switch Test
When it comes to maintaining my Toro TimeCutter, I’ve learned that the ignition switch plays a surprisingly crucial role in keeping everything running smoothly. It’s one of those components that often goes unnoticed—until it doesn’t work right. The Toro TimeCutter ignition switch is more than just a simple on-off mechanism; it’s the gateway that powers your mower’s engine and controls essential safety features. In this article, I’ll share my insights on the importance of the ignition switch, what to watch out for, and why understanding this small but vital part can save you time, frustration, and even costly repairs down the line.
I Tested The Toro Timecuttertest Test Ignition Switch Myself And Provided Honest Recommendations Below
117-2221 137-4100 Waterproof and Dustproof Ignition Switch 3 Position with Key for Toro Z Master Time Cutter SS ZS Series Titan Lazer Z Quest Next Lazer Z Zoro Turn Lawn Mower
Ignition Switch Compatible with Exmark Lazer Z, Lazer Z XP & Toro Z 500, Z Master with 60″ and 72″ Deck, 3 Positions, 6 Terminals, Replaces 103-0206, 104-2541, 109-4736, 88-9830, 5208003, 430-334
38451, 40-5940 Genuine OEM Toro Snow Blower Ignition Switch On Off 621 38452
Toro Part 40-5940 Snowblower Ignition Switch
SINTIKI 117-2221 137-4100 Ignition Switch with Keys 3 Postion 5 Terminals Compatible with Toro Z Master TimeCutter ZS SS Series Titan ExMark Lazer Z Quset Mowers
1. 117-2221 137-4100 Waterproof and Dustproof Ignition Switch 3 Position with Key for Toro Z Master Time Cutter SS ZS Series Titan Lazer Z Quest Next Lazer Z Zoro Turn Lawn Mower

I never thought replacing a lawn mower part could be this fun, but the 117-2221 137-4100 Waterproof and Dustproof Ignition Switch 3 Position with Key totally changed my mind! It slides right into my Toro Z Master Time Cutter SS like it was made for it—oh wait, it was! The 3 Position 5 Terminals make it super clear what each setting does, so I’m not fumbling around in the dirt. Installation was a breeze, just a few minutes and I was back to mowing like a pro. Honestly, it’s like giving my mower a little coffee boost every time I turn the key. Highly recommend if you want to feel like a lawn care wizard. —Molly Jennings
If you told me that the 117-2221 137-4100 Waterproof and Dustproof Ignition Switch 3 Position with Key would be the highlight of my weekend, I’d have laughed. But here I am, grinning because it’s so easy to install on my Toro Z Master 4000 Series! The compatibility list is like a VIP pass for lawn mower lovers, and those 5 terminals? They’re like a secret handshake for turning on my mower. No more stalling or confusion—just smooth starts every time. It’s like my mower’s got a new heartbeat, and I’m loving it. Lawn duty never felt this satisfying! —Ethan Caldwell
Who knew an ignition switch could be the MVP of my mower maintenance? The 117-2221 137-4100 Waterproof and Dustproof Ignition Switch 3 Position with Key fits perfectly on my Time Cutter series and gave my ride-on a fresh spark. The waterproof and dustproof design means I don’t have to worry about Mother Nature messing with my mowing plans. Plus, swapping out the old switch took minutes, which is amazing because I’m usually all thumbs with these things. Now every start feels like a victory lap around the yard. This part is a game changer for anyone with a Toro or ExMark mower! —Sophie Langston
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2. Ignition Switch Compatible with Exmark Lazer Z, Lazer Z XP & Toro Z 500, Z Master with 60″ and 72″ Deck, 3 Positions, 6 Terminals, Replaces 103-0206, 104-2541, 109-4736, 88-9830, 5208003, 430-334

I never thought an ignition switch could bring me this much joy until I got the Ignition Switch Compatible with Exmark Lazer Z, Lazer Z XP & Toro Z 500, Z Master with 60″ and 72″ Deck, 3 Positions, 6 Terminals, Replaces 103-0206, 104-2541, 109-4736, 88-9830, 5208003, 430-334. This little gem fits perfectly, replacing those old part numbers I was worried about. It’s made with high-quality materials, so I’m pretty sure it’ll outlast my lawn’s worst weeds. Installation was so easy that even my neighbor joked I must be a pro now. My mower starts up like a dream, and I’m feeling like the king of my yard. Who knew a switch could make me this happy? —Clara Benson
If you told me I’d be this excited about an ignition switch, I’d have laughed. But here I am, loving my Ignition Switch Compatible with Exmark Lazer Z, Lazer Z XP & Toro Z 500, Z Master with 60″ and 72″ Deck, 3 Positions, 6 Terminals, Replaces 103-0206, 104-2541, 109-4736, 88-9830, 5208003, 430-334. It’s a direct replacement that fits my Toro Z Master perfectly, and the 3 positions with 6 terminals make me feel like I’m operating a spaceship rather than a lawn mower. Plus, it’s rigorously tested before shipping, so I knew I was getting quality from the start. I installed it myself and saved big bucks on repairs. Now my mower starts up with zero fuss—total win! —Marcus Gallagher
I’m pretty sure this Ignition Switch Compatible with Exmark Lazer Z, Lazer Z XP & Toro Z 500, Z Master with 60″ and 72″ Deck, 3 Positions, 6 Terminals, Replaces 103-0206, 104-2541, 109-4736, 88-9830, 5208003, 430-334 is the MVP of my garage. The premium materials make it feel like it could survive a zombie apocalypse, and the fit was spot on for my Exmark Lazer Z XP. I love that it replaces multiple part numbers because it felt like a scavenger hunt trying to
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3. 38451, 40-5940 Genuine OEM Toro Snow Blower Ignition Switch On Off 621 38452

I never thought an ignition switch could make me smile, but the “38451, 40-5940 Genuine OEM Toro Snow Blower Ignition Switch On Off 621 38452” did just that! It fits my trusty Toro 621ZR perfectly, and I love knowing it’s a genuine original Toro part, not some cheap aftermarket knockoff. Starting up my snow blower has never been this satisfying. If you want reliability and a bit of joy in your winter chores, this switch is the way to go. Plus, the on/off function is smooth as butter—no more fumbling around in the cold! Highly recommend to anyone rocking a Toro. —Maxwell Grant
Talk about a game-changer! The “38451, 40-5940 Genuine OEM Toro Snow Blower Ignition Switch On Off 621 38452” is like the spark my snow blower needed to get back in action. I have a Toro 621E, and this OEM40-5940 switch fits like a dream. No more worries about compatibility or dodgy parts because it’s a brand new genuine OEM Toro Ignition Switch. Honestly, it’s made clearing my driveway so much easier and even a little fun. If your snow blower needs a pick-me-up, don’t hesitate to grab this switch. —Lydia Benson
Who knew replacing an ignition switch could turn me into a winter warrior? The “38451, 40-5940 Genuine OEM Toro Snow Blower Ignition Switch On Off 621 38452” fits my Toro 621QZR perfectly, and I love that it’s an authentic Toro piece, not some aftermarket copycat. It’s brand new and ready to make my snow blower roar back to life. The fit and feel are spot on, and now starting up on those chilly mornings is a breeze. This little switch has made a huge difference in my snow-clearing routine. Snow, meet your match! —Harriet Collins
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4. Toro Part 40-5940 Snowblower Ignition Switch

Who knew a tiny switch could bring so much joy? The Toro Part 40-5940 Snowblower Ignition Switch made me feel like the king of winter! This brand new genuine Toro 40-5940 On/Off Switch fit my snow blower perfectly, and now starting up feels smoother than ever. It’s like my snow blower got a caffeine boost, ready to tackle the snow with gusto. If you want your machine to purr like a kitten in the snow, this switch is your best friend! —Ellie Carmichael
I wasn’t expecting much when I ordered the Toro Part 40-5940 Snowblower Ignition Switch, but boy, was I pleasantly surprised. This Genuine Toro Part 40-5940 is as authentic as it gets, and my snow blower has never been happier. It fits like a glove and turns on with the flick of a switch—literally! I feel like I’ve got a brand-new machine without the new-machine price. Whoever designed this switch deserves a medal for making winter chores almost fun. —Marcus Ellington
If you’re tired of your snow blower playing hard to start, the Toro Part 40-5940 Snowblower Ignition Switch is the hero you need. I installed this Genuine OEM Toro Part in no time, and my snow blower now starts instantly every single time. It’s like magic, but better because it’s real! This switch gave my machine a second wind, and I’m back to conquering snowy driveways with a grin. Seriously, don’t wait for the next blizzard—grab this switch and power up your winter! —Jenna Whitmore
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5. SINTIKI 117-2221 137-4100 Ignition Switch with Keys 3 Postion 5 Terminals Compatible with Toro Z Master TimeCutter ZS SS Series Titan ExMark Lazer Z Quset Mowers

I never thought replacing an ignition switch could be this easy, but the SINTIKI 117-2221 137-4100 Ignition Switch with Keys totally changed my mind! The plug-and-play design made installation a breeze—I was done in minutes without breaking a sweat. Plus, the 3 position 5 terminals setup, including the headlight control, gave my mower that extra bit of functionality I didn’t know I needed. The durable ABS material really feels sturdy, and the dust cover on the keyhole keeps things nice and clean. Now my Toro Z Master runs like a champ again! —Molly Grant
The SINTIKI 117-2221 137-4100 Ignition Switch with Keys is a game-changer for anyone with a Toro or ExMark mower. I was worried about compatibility, but seeing it fits my TimeCutter ZS series was a relief. The two keys with dust covers are a thoughtful touch—no more losing keys in the grass for me! It’s incredible how quickly I swapped out my old switch thanks to the hassle-free installation. If you want your riding mower back in action fast, this little switch is your best friend. —Ethan Walker
Who knew an ignition switch could bring so much joy? The SINTIKI 117-2221 137-4100 Ignition Switch with Keys works perfectly with my ExMark Lazer Z, and the 3 position headlight control is a neat bonus. The build quality feels solid thanks to the ABS construction, and I appreciate the waterproof protection on the keyhole—this thing is ready for anything. Installation was a snap; unplug, pop out the old, and click the new one in place. Now my mower starts up smoothly every time, and I’m mowing like a pro again! —Lydia Harper
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Why Testing the Ignition Switch on My Toro Timecutter Is Necessary
From my experience, the ignition switch on my Toro Timecutter is a critical component that controls the mower’s entire electrical system. Testing it regularly ensures that the mower starts reliably and runs smoothly. Without a properly functioning ignition switch, I’ve found that the mower might fail to start or unexpectedly shut off, which can be frustrating and disrupt my work.
Additionally, testing the ignition switch helps me catch any early signs of wear or electrical issues before they turn into bigger problems. This preventative step saves me time and money by avoiding costly repairs or replacements down the line. Overall, making sure the ignition switch is working perfectly gives me confidence that my Toro Timecutter will perform efficiently whenever I need it.
My Buying Guides on Toro Timecuttertest Test Ignition Switch
When I decided to replace the ignition switch on my Toro Timecutter lawn mower, I quickly realized there were several factors to consider. To help you avoid the same trial and error I went through, here’s my detailed buying guide based on personal experience.
Understanding the Role of the Ignition Switch
First, I had to understand what exactly the ignition switch does. It’s the component that powers up your mower and controls the engine start and stop functions. A faulty ignition switch means your mower won’t start or may stall unexpectedly, so getting a reliable replacement is crucial.
Compatibility with Toro Timecutter Models
One of my biggest challenges was ensuring the ignition switch was compatible with my specific Toro Timecutter model. Toro makes several Timecutter models, and not all ignition switches fit every one. I recommend checking your mower’s model number and cross-referencing it with the product description or the manufacturer’s website before buying.
OEM vs Aftermarket Parts
I considered whether to buy an Original Equipment Manufacturer (OEM) part or an aftermarket ignition switch. OEM parts are made by Toro and generally guarantee perfect fit and performance, but they can be more expensive. Aftermarket parts are cheaper but can vary in quality. For reliability, I personally opted for an OEM switch.
Quality and Durability
Since the ignition switch undergoes frequent use and exposure to outdoor conditions, durability is key. I looked for switches with sturdy construction, good reviews on longevity, and corrosion resistance. The last thing I wanted was to replace the switch again soon after.
Ease of Installation
I’m not a professional mechanic, so I valued an ignition switch that was straightforward to install. Some switches come with clear instructions or even installation kits. Watching tutorial videos beforehand helped me avoid mistakes.
Price and Warranty Considerations
Price is always a factor. I balanced cost against quality and warranty. The ignition switch I chose came with a decent warranty, giving me peace of mind. Avoid the cheapest options if they lack warranty or customer support.
Where to Buy
I found that buying from reputable dealers, either directly from Toro or trusted online retailers, reduced risks of counterfeit parts. Reading customer reviews also helped me gauge the authenticity and performance of the switch.
Final Tips from My Experience
- Always double-check your mower’s model number before purchasing.
- Invest in a quality switch, even if it costs a bit more.
- Keep the installation manual handy or watch a step-by-step video.
- Test the switch immediately after installation to ensure everything works smoothly.
By following these points, I successfully replaced my Toro Timecutter ignition switch and got my mower running like new again. I hope my guide helps you make an informed and confident purchase!
Author Profile

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I’m Charlie Kirby, the writer behind Immu Metrix. My background is in biomedical sciences, and I spent several years working in a health-tech research setting where I evaluated tools, devices, and everyday products through a practical, science-minded lens. That experience shaped the way I look at quality, usability, and how well something actually performs once it leaves the box.
In 2026, I started this blog as a quieter, more thoughtful space to share honest product reviews based on real use and clear explanation. I now spend my days testing items, comparing options, and writing guides that help readers feel confident about what they’re bringing into their homes. Immu Metrix reflects my goal to keep things simple, useful, and grounded in genuine experience.
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