Best Lawn Mower Starter Keys of 2025

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Lawn mower starter keys are an essential component for any lawn mower owner. These small keys are designed to start the engine of a lawn mower, providing a quick and easy way to get your lawn mower up and running. They are available in a variety of shapes and sizes, depending on the make and model of your lawn mower. While they may seem like a small and insignificant part, without a starter key, your lawn mower won't start. Therefore, it's important to have a spare starter key on hand in case you misplace or lose the original.
At a Glance: Our Top Picks
Top 10 Lawn Mower Starter Keys
Stiga Ride On Mower Replacement Keys
The Stiga Mower Keys are designed for various Stiga models, ensuring compatibility with your lawn mower. You will receive exactly what is shown in the picture, providing peace of mind that you have the correct part. Manufactured to the highest standards, these keys guarantee durability and reliability, which means you can trust them to perform well. As a direct replacement for the original part, these keys offer a straightforward solution for getting your mower back in action without hassle.
Mountfield Ride On Mower Replacement Keys
The Mountfield Mower Keys are designed to fit various Mountfield lawn mower models, ensuring compatibility and ease of use. When you purchase this product, you will receive exactly what is shown in the picture, eliminating any uncertainty. These keys are manufactured to the highest standards, providing reliability for your mowing needs. As a direct replacement for the original part, they allow you to quickly get back to maintaining your garden without any hassle.
Create Idea 6-Pin Lawn Mower Ignition Switch
The Create Idea Lawn Mower Switch offers high-quality materials, ensuring durability and long-lasting performance for your lawn mower. With a comprehensive kit that includes two keys and a locking washer/nut, installation is secure and straightforward. This ignition switch meets OEM standards, which guarantees compatibility and reliability with various models. Its wide compatibility means you can use it with several Hayter Heritage and Briggs & Stratton mowers, making it a convenient choice for your lawn care needs.
EMSea 10pcs Ignition Starter Key RE183935 for John Deere Tractors
The EMSea Ignition Starter Key is an essential replacement for various John Deere tractors, including models like the 4120 and 6910. Made from durable plastic and metal, it ensures a longer service life and reliable performance, giving you peace of mind. This key offers excellent workmanship and a comfortable grip, making it easy to use during your heavy machinery operations. Additionally, it serves as a direct replacement for worn or defective ignition keys, allowing you to get back to work without hassle.
5 Pcs Replacement Ignition Keys for John Deere
The John Deere Ignition Keys offer a reliable solution for starting your John Deere mowers and equipment. With five new aftermarket keys, you can easily replace lost or worn keys, ensuring your machines are always ready to go. These keys are compatible with a wide range of John Deere mower models, providing versatility for different machines you may own. Additionally, the keys cross-reference with various part numbers, making it simple for you to find the right fit for your equipment.
28 PCS Ignition Starter Key Set for Machinery
The XQZMD Ignition Key Set offers universal compatibility, making it easy to find the right key for various machinery, including popular brands like Bobcat and JCB. With 28 keys included, you can conveniently share them with colleagues or friends, ensuring that everyone has access when needed. Their versatile application means these keys are suitable for both construction and household machinery, providing a practical solution for all your equipment needs. Made from durable materials, this set promises long-lasting performance and reliability.
BODYA Pack of 3 John Deere Ignition Keys
The BODYA John Deere Keys are crafted from high-quality materials, ensuring durability and longevity for your lawn tractor. If you've lost or damaged your keys, this pack provides a convenient solution, allowing you to replace them easily without the expense of new keys. These keys are specifically suited for the GY20680 model, making them a perfect fit for your equipment. Remember to check your key models before ordering to ensure compatibility.
ZLKSKER Replacement Keys for Lawn Mowers
The ZLKSKER Lawn Mower Keys come in a convenient package of two, ensuring you always have a spare when needed. They are designed to fit a range of MTD Cub Cadet and Troy Bilt lawn mowers, providing compatibility with various models. The keys are well made and undergo strict quality control, ensuring durability for repeated use. With the included key ring, you can easily keep your keys organised, making them readily accessible whenever you need them.
APUK Replacement Keys for John Deere Mowers
The APUK John Deere Keys are designed for convenience and reliability. This pack includes two keys, ensuring that you always have a spare on hand. The keys are specifically made for John Deere models such as the SST18, X300, X304, X320, X324, and X340, making them a perfect match for your ride-on lawn mower. With these keys, you can easily start your mower without any hassle, ensuring that your lawn care routine runs smoothly.
APUK Ignition Key Replacement for John Deere Mowers
The APUK Ignition Keys are a practical solution for your John Deere LT190, LTR155, LTR166, and LTR180 ride-on lawn mowers. This pack includes two keys, ensuring you always have a spare on hand. Having an extra key provides peace of mind, allowing you to avoid any potential interruptions while mowing. Designed specifically for your mower models, these keys guarantee a proper fit, making starting your machine straightforward and hassle-free. With the APUK Ignition Keys, you can maintain your lawn care routine without any worries about losing access.
Frequently Asked Questions (FAQs)
1. What do I do if I lost the key to my lawn mower?
What if I lose my key? Don't panic, most riding lawnmowers use the same key. Just remember to buy a big bunch of keys from your local hardware store. If you have more than one riding lawnmower then a single key can be used to start all of them.
During our lawn mower starter key research, we found 104 lawn mower starter key products and shortlisted 10 quality products. We collected and analyzed 3,962 customer reviews through our big data system to write the lawn mower starter keys list. We found that most customers choose lawn mower starter keys with an average price of £5.60.
The lawn mower starter keys are available for purchase. We have researched hundreds of brands and picked the top brands of lawn mower starter keys, including Mountfield, Mountfield Outdoor Spares, Create idea, EMSea, XQZMD. The seller of top 1 product has received honest feedback from 347 consumers with an average rating of 4.7.

Toby Butcher is a Horticulturist, and he earned his title as a Master Gardener in 2016. Toby has acquired a 25-year experience as a home gardener planting, designing, grooming vegetables and flowers. He is the leader of a plant group in Durham. Toby owns a blog where he publishes articles on growing and growing your flowers at home, in a vase, or in a garden.