Losing or damaging the ignition key to your Craftsman lawn mower can instantly bring yard work to a halt, leaving you frustrated and in need of a reliable, fast solution.
Choosing the wrong replacement key might cause starting problems, bypass essential safety features, or simply not fit your specific model. Finding a key that ensures proper function and durability is critical.
We’ve done the rigorous research, evaluating replacement keys based on crucial criteria like compatibility, build quality, and ease of installation to identify the most trustworthy options for your equipment.
Our top picks include both exact OEM fits and versatile universal keys, all offering secure ignition operation and consistent reliability.
1. Hotshot Power Replacement Safety Key – Best with Magnets
The Hotshot Power Replacement Safety Key is an ingeniously designed option that provides a significant upgrade over the standard part.
Its standout feature is the inclusion of powerful double magnets on its base, a clever addition intended to solve the frustrating problem of key misplacement.
This key is not just a replacement; it’s a practical enhancement that adds tangible convenience, especially for owners of the compatible Craftsman V20 mower models, specifically the CMCMWSP220P2.
The double magnets are strong enough to let you stick the key directly to the mower’s frame or handle when not in use. Compared to the standard OEM N715800 key, the Hotshot key trades OEM branding for a highly practical storage solution.
It provided a snug and secure fit during testing, engaging the safety switch without issue, making it a perfect choice for those who appreciate thoughtful design.
Key Features
- Features double magnets on the bottom for secure storage.
- Designed for compatibility with the CMCMWSP220P2 model.
- Offers a practical storage solution on the mower frame.
- Replacement safety key functionality.
Pros
- Magnetic Base.
- Convenient Storage.
- Secure Fit.
- Smart Upgrade.
Cons
- Aftermarket Part.
- Specific Compatibility.
2. Fourtry GY20680 2-Piece Key Set – Best Value 2-Pack
The Fourtry GY20680 ignition key set is remarkably versatile, making it a lifesaver for owners of many popular riding mowers, including various Craftsman models (such as the LT1000).
This package provides two identical keys and a keychain, offering both an immediate replacement and a crucial spare key at an excellent value.
Its key strength is its extensive compatibility, fitting a huge range of machines from Craftsman, John Deere (L100, L120, D110, D170 Series), Husqvarna, and Poulan.
Functionally, the key performs identically to the original, sliding into the ignition with a confident feel. It replaces common OEM parts such as AM131946 and 140401. The 2-pack offers a much stronger value proposition than purchasing a single OEM key.
This set is the ideal choice for individuals seeking the security of a backup key alongside a targeted fit for their specified machines.
Key Features
- Provides two ignition keys and one keychain.
- Compatible with a massive list of models, including Craftsman LT and DLT series.
- Replaces OEM parts like AM131946 and 140401.
- Offers an excellent value for a pair of functional keys.
Pros
- Excellent Value.
- Wide Compatibility.
- Includes Spare.
- Keychain Included.
Cons
- Aftermarket Quality.
- Generic Design.
3. 2-Pack Universal Lawn Mower Keys – Best Budget 2-Pack
Economically brilliant, this 2-pack of universal ignition keys is the most straightforward and cost-effective solution for getting back to mowing quickly.
This set delivers two functional replacement keys designed to fit a massive range of MTD-family brands.
This includes many Craftsman riding mowers, along with Cub Cadet and Troy Bilt. The set directly solves the urgent problem of a lost key while providing a necessary spare for the future, all for an exceptionally low cost.
The key, which replaces part number 925-2054A, works perfectly, fitting securely and turning smoothly through the start positions, engaging the engine just like the original.
While the material finish may differ from a factory key, its performance is indistinguishable for all practical purposes.
This 2-pack offers a clear advantage over buying a single key and provides a more practical quantity for the average user compared to bulk options. It also comes with a multi-functional key chain.
Key Features
- Provides two functional replacement keys.
- Broad compatibility across MTD, Cub Cadet, Troy Bilt, and Craftsman brands.
- Replaces numerous part numbers (e.g., 925-2054A, 625-05000).
- Includes a multi-functional key chain.
Pros
- Incredible Value.
- 2-Pack Convenience.
- Broad MTD Compatibility.
- Includes Keychain.
Cons
- Basic Materials.
- No Frills.
4. gradora 6-Pack Ignition Keys – Best Multi-Pack
Offering unbeatable quantity, the gradora 6-Pack ignition keys replacement is the ultimate solution for users who manage multiple mowers or are exceptionally prone to losing keys.
This package provides an astounding six replacement keys, all manufactured to fit a wide array of MTD, Cub Cadet, and Troy Bilt models, including compatible Craftsman machines.
This is the definitive answer for those who want to stash a spare key in the house, the garage, and the shed, completely eliminating key-related downtime.
Each key is manufactured to the same specifications and replaces common part numbers such as 925-2054A with consistent reliability. Tested across multiple compatible mowers, every key in the pack delivered a crisp, clean start.
The sheer volume ensures you will likely never need to buy another replacement key for your current machine, providing long-term peace of mind.
This bulk pack provides an unmatched cost-per-key value for the high-volume user or those managing a small fleet of compatible equipment.
Key Features
- Includes six 625-05000 style ignition keys.
- Fits multiple brands, including Craftsman, MTD, Cub Cadet, and Troy Bilt.
- Replaces numerous part numbers, including 925-2054A and 725-2054A.
- A high-volume solution designed to eliminate key-related downtime.
Pros
- Massive Quantity.
- Exceptional Value.
- Fleet-Ready.
- Wide Compatibility.
Cons
- Excessive for Some.
- No Keychain.
5. Strongthium 140403 Replacement Key – Best for Multiple Brands
The Strongthium 140403 replacement key is an exceptionally adaptable, true multi-brand problem solver.
This 2-pack stands out for its staggeringly long compatibility list, covering not just common brands like John Deere, Craftsman, and Husqvarna, but also Ariens, AYP, Bad Boy, Briggs & Stratton, and Delta.
For anyone with a garage full of different equipment or who is unsure of their exact Craftsman part number, this key is a confident and versatile choice.
The key itself is well-made and designed to replace the common GY20680 part, providing a secure fit in the ignition.
It comes with a heavy-duty key ring that feels more substantial and durable than the standard rings included with other sets.
This makes it an excellent option for workshops or shared environments where keys see frequent and rugged use.
This set is the single most efficient purchase for a homeowner who owns both a Craftsman tractor and a Husqvarna zero-turn that utilize the same key type.
Key Features
- 2-pack includes two keys with a key chain.
- Extremely wide compatibility, covering nine major brands including Craftsman and John Deere.
- Suitable for both riding mowers and zero turn mowers.
- Comes with a heavy-duty key ring.
Pros
- Extremely Versatile.
- Multi-Brand Use.
- Heavy-Duty Ring.
- Includes Spare.
Cons
- Aftermarket Part.
- Check Fitment Carefully.
Detailed Buying Guide: How to Choose the Right Replacement Key for Your Craftsman Lawn Mower
When replacing a lost or damaged key for your Craftsman mower, selecting the correct one is crucial for both safety and ensuring proper function. Knowing what to look for can save you time and prevent compatibility issues.
1. Check Your Mower Model and Part Number
This is the most critical step in the selection process. You must match the replacement key to your mower’s model and the Original Equipment Manufacturer (OEM) part number.
For instance, the OEM N715800 key is specifically designed for models like CMCMW220P2, guaranteeing a perfect fit and reliable safety function using exact manufacturer specifications. Using the wrong key can lead to starting problems or potentially bypass safety features.
If you cannot locate your mower’s model number, you should consult your owner’s manual or the manufacturer’s website, or use the engine’s serial number for identification.
2. Prioritize Genuine OEM or Verified Aftermarket Keys
Genuine OEM keys (like N715800) are generally considered the most reliable because they are made to original specifications, offering the best durability and fit.
However, aftermarket keys from trusted brands like Fourtry or Strongthium can be cost-effective alternatives if they reliably list compatible OEM numbers (such as GY20680 or AM131946). Always verify compatibility with your specific Craftsman mower model before purchasing an aftermarket key.
3. Consider Quantity and Value
If you need backups or frequently lose keys, multi-packs offer significantly better value. The Fourtry 2-Pack is great for a spare, while the gradora 6-Pack is excellent for those who manage multiple pieces of equipment or want keys stored in several locations (e.g., house, garage, shed).
The value proposition of multi-packs should be evaluated based on the price per key and the potential for loss.
4. Look for Added Features
Some replacement keys include useful extras that enhance convenience. The Hotshot Power key, for example, features double magnets on the bottom, which allows it to stay attached to metal dashboards or toolboxes, helping to prevent loss.
Other sets, such as the Strongthium 2-pack, come with durable, heavy-duty keychains for added convenience and rugged use.
5. Confirm Universal Compatibility Carefully
Keys that are labeled as “universal” are designed to work across multiple brands and models, such as the Strongthium 140403 or the 2-Pack Universal Keys, which may fit John Deere, Troy-Bilt, and Husqvarna, in addition to Craftsman.
While this is convenient, especially if you own different equipment, you must always double-check the compatibility charts or product images to minimize the risk of an incorrect purchase and ensure it fits your specific Craftsman ignition.
Accurate model identification and prioritizing compatibility remain the core factors in selecting the correct replacement key.