You need a durable ignition switch that fits your mower and won’t strand you on the lawn. Choose between reliable 5- and 7-terminal replacements or a matched 18″ lead for true plug-and-play swaps. Look for zinc-alloy bodies, brass contacts, clear S L G B M labeling, included keys and mounting hardware. Verify terminal count, shaft/thread size, 12 V rating and connector type to avoid splicing; model fit and simple installation tips follow.
| Riding Lawn Mower Ignition Switch Replacement (5-Terminal) |
| Best Replacement | Positions: 3-position (OFF / ON / START) | Terminal Count / Posts: 5 terminals | Includes Keys: Yes — 2 iron keys included | VIEW LATEST PRICE | Read Our Analysis |
| DVPARTS 5-Pin Ignition Key Switch Wiring Harness (18″) |
| Ready-to-Install | Positions: (wiring harness only — pairs with multi-position switches) | Terminal Count / Posts: 5-pin harness | Includes Keys: No — wiring harness only (no key) | VIEW LATEST PRICE | Read Our Analysis |
| Ignition Switch with Key for Lawn Mowers |
| Headlight-Ready | Positions: 4-position (includes headlight control) | Terminal Count / Posts: 7 terminals (7-post) | Includes Keys: Yes — 2 keys included | VIEW LATEST PRICE | Read Our Analysis |
| Lawn Mower Ignition Switch with 2 Keys (3-Position) |
| Wide Compatibility | Positions: 3-position | Terminal Count / Posts: 5 terminals | Includes Keys: Yes — 2 keys included | VIEW LATEST PRICE | Read Our Analysis |
| ZTUOAUMA 3-Position Ignition Switch for Riding Mowers |
| Universal Fit | Positions: 3-position | Terminal Count / Posts: 5 terminals (noted 5-terminal) | Includes Keys: (sold as switch — typically includes keys) — two keys implied/standard | VIEW LATEST PRICE | Read Our Analysis |
| Riding Lawn Mower Ignition Switch with Key |
| Model-Specific Fit | Positions: 3-position | Terminal Count / Posts: 5 terminals | Includes Keys: Yes — keys included (item with key) | VIEW LATEST PRICE | Read Our Analysis |
| RAMATA Ignition Switch with Key for Riding Mowers |
| OEM Equivalent | Positions: 4-position | Terminal Count / Posts: 7 posts | Includes Keys: Yes — 2 keys included | VIEW LATEST PRICE | Read Our Analysis |
| Ignition Switch for MTD Cub Cadet Riding Mowers |
| MTD/Cub Cadet Fit | Positions: 4-position | Terminal Count / Posts: 7-post (7 terminals) | Includes Keys: Yes — 2 keys included | VIEW LATEST PRICE | Read Our Analysis |
| Replacement 3-Position Ignition Switch with Keys for Riding Mowers |
| Compact Choice | Positions: 3-position | Terminal Count / Posts: 5 terminals | Includes Keys: Yes — 2 keys included | VIEW LATEST PRICE | Read Our Analysis |
| Lawn Mower Ignition Switch with Key (5-Terminal) |
| Heavy-Duty Option | Positions: 3-position | Terminal Count / Posts: 5 terminals | Includes Keys: Yes — keys included (standard kit) | VIEW LATEST PRICE | Read Our Analysis |
More Details on Our Top Picks
Riding Lawn Mower Ignition Switch Replacement (5-Terminal)
Should you want a simple, reliable replacement that fits many popular mowers, this 5-terminal riding lawn mower ignition switch is a great choice. You’ll get a three-position switch with OFF ON START and five spade connections labeled S L G B M so wiring stays clear and accurate. The zinc alloy body feels sturdy and the two iron keys give you a spare whenever you need it. It fits Craftsman Snapper Scag MTD John Deere Toro models and others, and you should move the key to the fully closed position prior to removing to prevent jamming. Installation is straightforward and reassuring.
- Positions:3-position (OFF / ON / START)
- Terminal Count / Posts:5 terminals
- Includes Keys:Yes — 2 iron keys included
- Compatible Brands / Applications:Craftsman, Snapper, Scag, MTD, John Deere, Toro (various riding mowers)
- Replacement / OEM Cross-Reference:Replaces OE 925-0267 / 725-0267 and many equivalents (multiple part numbers listed)
- Package Contents (switch + hardware):Switch + 2 keys
- Additional Feature:Zinc-alloy switch body
- Additional Feature:2 iron keys included
- Additional Feature:Removal: fully closed key
DVPARTS 5-Pin Ignition Key Switch Wiring Harness (18″)
In case you want a reliable replacement substitute that fits a wide range of garden tractors, the DVPARTS 5-Pin Ignition Key Switch Wiring Assembly M90206 is a strong choice because it’s built to match common 5-pin switches and measures a handy 18 inches. You’ll find it fits John Deere, Cub Cadet, Troy-Bilt, Toro, Exmark, Hustler, Ariens, Gravely, Simplicity, Snapper, and Murray models. It connects your ignition and electrical circuits so your tractor starts whenever you need it. You’ll appreciate the 12 month warranty and helpful service whether any issue arises, giving real peace of mind.
- Positions:(wiring harness only — pairs with multi-position switches)
- Terminal Count / Posts:5-pin harness
- Includes Keys:No — wiring harness only (no key)
- Compatible Brands / Applications:John Deere, Cub Cadet, Troy‑Bilt, Toro, Exmark, Hustler, Ariens, Gravely, Simplicity, Snapper, Murray
- Replacement / OEM Cross-Reference:M90206 harness (fits OEM-style 5-pin switches)
- Package Contents (switch + hardware):Wiring harness only (no switch or keys)
- Additional Feature:18-inch harness length
- Additional Feature:12-month warranty
- Additional Feature:Broad tractor compatibility
Ignition Switch with Key for Lawn Mowers
Should you own a midrange lawn tractor from a well-known brand and want a dependable, easy-to-install ignition solution, this 4-position ignition switch with key is a great pick. You’ll get a 7-terminal switch that controls start, off, run, and headlight positions, and it comes with two keys plus mounting hardware. It fits many models from Cub Cadet, Husqvarna, John Deere, MTD, and more, replacing several OEM part numbers you could see. Installation is straightforward, and you’ll appreciate having a spare key. In case you worry about fit, check the listed compatible part numbers and models initially.
- Positions:4-position (includes headlight control)
- Terminal Count / Posts:7 terminals (7-post)
- Includes Keys:Yes — 2 keys included
- Compatible Brands / Applications:Cub Cadet, Husqvarna, Craftsman, John Deere, MTD, Murray, Poulan, AYP, etc.
- Replacement / OEM Cross-Reference:Replaces 532175566, 175566, 725-1741, 925-1741, 532163968, etc.
- Package Contents (switch + hardware):Switch + 2 keys + mounting hardware (ring, key rings)
- Additional Feature:4-position headlight control
- Additional Feature:7 terminals (posts)
- Additional Feature:Includes mounting hardware
Lawn Mower Ignition Switch with 2 Keys (3-Position)
Should you want a reliable, easy swap that gets your mower back to work fast, this Lawn Mower Ignition Switch with two keys is a smart pick because it’s a direct replacement for many common models and part numbers. You’ll find a 3-position, 5-terminal switch that fits Craftsman, John Deere, Toro, AYP, and Honda models listed. It includes two keys so you won’t worry about losing one. The terminals match original wiring patterns for smooth installation, and many cross-reference numbers are covered. You can change it yourself with basic tools, feel confident, and get mowing again quickly.
- Positions:3-position
- Terminal Count / Posts:5 terminals
- Includes Keys:Yes — 2 keys included
- Compatible Brands / Applications:Craftsman, John Deere, Toro, AYP, Honda (examples listed)
- Replacement / OEM Cross-Reference:Replaces 925-0267, 725-0267, 365402, 48017, 532365402, AM102551, etc.
- Package Contents (switch + hardware):Switch + 2 keys
- Additional Feature:Wide OEM cross-listing
- Additional Feature:Direct replacement fitment
- Additional Feature:Multiple model-specific codes
ZTUOAUMA 3-Position Ignition Switch for Riding Mowers
Should you want a straightforward, reliable ignition switch that fits a wide range of riding mowers, the ZTUOAUMA 3-Position 5-Terminal Ignition Switch is a great pick because it gives you solid compatibility and rugged performance you can count on. You’ll like that it matches many part numbers like 178280 and STD365402, so you can find the right fit without guessing. It has three positions, five terminals, and a seven pole design, with 8-32 thread fit for several John Deere models. It replaces originals on Toro, Craftsman, Snapper, Scag, and MTD. Installation is direct and factory-tested for durability.
- Positions:3-position
- Terminal Count / Posts:5 terminals (noted 5-terminal)
- Includes Keys:(sold as switch — typically includes keys) — two keys implied/standard
- Compatible Brands / Applications:Toro, Craftsman, Snapper, Scag, MTD, John Deere
- Replacement / OEM Cross-Reference:Lists alternates 178280, 35100-772-003, STD365402, 725-0267, 925-0267, 42106, etc.
- Package Contents (switch + hardware):Switch (packaging implies keys included / replacement switch)
- Additional Feature:8-32 thread spec
- Additional Feature:Factory-tested durability
- Additional Feature:Listed OEM aliases
Riding Lawn Mower Ignition Switch with Key
Provided you want a reliable, easy-to-install ignition switch for your riding mower, this 3-position, 5-terminal key switch is a strong choice because it fits many popular brands and keeps your mower secure. You’ll like that gradora built it to work with Ariens, MTD, Cub Cadet, John Deere, Bad Boy, and Troy-Bilt models, so you can replace worn parts without guessing. It uses a push-button key, plug-in terminals, and an ON-OFF-ON circuit that’s simple to wire. The compact surface-mount design feels sturdy in hand, installs fast, and helps you get mowing sooner with less worry.
- Positions:3-position
- Terminal Count / Posts:5 terminals
- Includes Keys:Yes — keys included (item with key)
- Compatible Brands / Applications:Ariens, MTD, Cub Cadet, John Deere, Bad Boy, Troy‑Bilt, Craftsman
- Replacement / OEM Cross-Reference:Replaces 725-04228, 925-04228, 725-04659, 925-04659, GY00191, 03290500, etc.
- Package Contents (switch + hardware):Switch with key (1 unit — keys included)
- Additional Feature:Surface-mount design
- Additional Feature:IP00 protection rating
- Additional Feature:Specific zero-turn fit lists
RAMATA Ignition Switch with Key for Riding Mowers
Should you want a tough, no-nonsense replacement that fits many popular riding mowers, the RAMATA 725-1717 / 925-1717 ignition switch is a great pick. You’ll get a 4-position, 7-post switch that matches Craftsman, Husqvarna, Murray, MTD, AYP, and Briggs & Stratton models. It replaces many OE numbers, so installation is straightforward and reassuring. The package includes the switch, two keys, and a lock washer nut. It’s built from high-grade materials to resist oxidation and corrosion and to keep electrical connections steady. Factory quality checks and email support mean help is ready should you require it.
- Positions:4-position
- Terminal Count / Posts:7 posts
- Includes Keys:Yes — 2 keys included
- Compatible Brands / Applications:Craftsman, Husqvarna, Murray, MTD, AYP, Briggs & Stratton
- Replacement / OEM Cross-Reference:Replaces 532140301, 725-1717, 925-1717, 140301, 574455401, 092556, etc.
- Package Contents (switch + hardware):Switch + 2 keys + lock washer nut
- Additional Feature:Lock washer nut included
- Additional Feature:Oxidation-resistant materials
- Additional Feature:Strict factory QC
Ignition Switch for MTD Cub Cadet Riding Mowers
In case you need a reliable replacement that fits a wide range of mowers, this Ignition Switch is a great choice because it’s built to match many MTD, Cub Cadet, Murray, Craftsman, Husqvarna, AYP, and Poulan models and replaces common OEM numbers like 532140301 and 92556. You’ll get a 7-post, 4-position switch that swaps into many machines with ease. It includes two keys and a lockwasher nut, so you won’t scramble for parts. Recall to turn the key fully to OFF before removal to avoid sticking. The fitment list and OEM cross references help you pick confidently.
- Positions:4-position
- Terminal Count / Posts:7-post (7 terminals)
- Includes Keys:Yes — 2 keys included
- Compatible Brands / Applications:MTD, Cub Cadet, Murray, Craftsman, Husqvarna, AYP, Poulan
- Replacement / OEM Cross-Reference:Replaces 140301, 532140301, 725-1717, 925-1717, 092556, AN113336BB1, etc.
- Package Contents (switch + hardware):Switch + 2 keys + lockwasher nut
- Additional Feature:Safety removal note
- Additional Feature:Lockwasher nut included
- Additional Feature:4-position configuration
Replacement 3-Position Ignition Switch with Keys for Riding Mowers
In case you want a simple, reliable replacement that fits many popular riding mower brands, this 3-position ignition switch with two keys is a strong choice. You’ll like that it fits Cub Cadet, Troy-Bilt, MTD, Craftsman, Husqvarna, John Deere and more, so you won’t worry about compatibility. It offers STOP IN REVERSE positions, a 3-way copper contact circuit, and works on 12 V systems with five terminals for plug-in or screw connections. The ABS housing feels sturdy and the brass parts look solid. Installation is straightforward, and the package includes two keys and a key ring.
- Positions:3-position
- Terminal Count / Posts:5 terminals
- Includes Keys:Yes — 2 keys included
- Compatible Brands / Applications:Cub Cadet, Troy‑Bilt, MTD, Craftsman, Husqvarna, John Deere, AYP, Bad Boy
- Replacement / OEM Cross-Reference:Lists compatibility with part numbers like 925-04228, 925-04659, AM133596, 583070001, etc.
- Package Contents (switch + hardware):Switch + 2 keys + key ring
- Additional Feature:ABS housing construction
- Additional Feature:Installation snap-in lugs
- Additional Feature:Copper contacts specified
Lawn Mower Ignition Switch with Key (5-Terminal)
Should you want a reliable replacement that fits a wide range of lawn tractors and zero turn mowers, this 5‑terminal ignition switch with key is a smart choice. You’ll find fits for Ariens, Bad Boy, Craftsman, Scotts, Sabre, Dixie Chopper and many models, so chances are it matches yours. It replaces OEM parts like GY00191 and 077-8076-00 and mounts easily because it’s built to factory OE specs. You’ll appreciate the sturdy materials and long service life. AUTOBABA gives one year support, and you can contact them should you need help installing or troubleshooting.
- Positions:3-position
- Terminal Count / Posts:5 terminals
- Includes Keys:Yes — keys included (standard kit)
- Compatible Brands / Applications:Ariens, Bad Boy, Craftsman, Troy‑Bilt, Scotts, Sabre, Dixie Chopper, etc.
- Replacement / OEM Cross-Reference:Lists OEM/part numbers GY00191, 03290500, 077-8076-00, 725-04659, 925-04659, 500017, etc.
- Package Contents (switch + hardware):Switch + keys (standard replacement kit)
- Additional Feature:1-year support (AUTOBABA)
- Additional Feature:Extensive brand/model list
- Additional Feature:Built to OE specs
Factors to Consider When Choosing Lawn Mower Key Switches
Upon selecting a key switch, pay attention to terminal configuration and switch positions so the wiring and functions match your mower. Also check compatibility fitment, build materials, and electrical ratings to make sure the switch will last and won’t overload your system. These factors work together to keep your mower starting reliably and to save you trouble down the road.
Terminal Configuration
Because your mower depends on each wire doing the right job, checking the terminal configuration of a key switch matters more than you might realize. You’ll initially count terminals, often five or seven, so the switch matches your cable and any accessories. Then you’ll read labels like S for start, L for lights, G for ground, B for battery, and M for magneto so each wire goes to the correct place. Also check terminal type and spacing since spade, screw, or plug-in must fit without forcing or adapting. Next, confirm whether contacts are normally closed or open to keep safety interlocks and starting behavior correct. Finally, verify voltage and current ratings per terminal so nothing overheats under load.
Switch Positions
You’ve already checked terminals and wiring, so now look at how the switch feels and works in real use. Consider whether you need a 3-position or 4-position switch, because that decides what functions you’ll get. A 3-position covers OFF, ON, and START for basic engine control. A 4-position adds an accessory or headlight that stays on when switched to ON. Make sure the START position is momentary in case your mower wiring requires it so the starter only runs briefly then returns to ON. Check position labeling and detents for clear clicks so you don’t accidentally engage START or accessories. Also verify key travel and which position lets you remove the key, since that affects theft prevention and any ignition lockout features you rely on.
Compatibility Fitment
Suppose you’re swapping a key switch, matching fitment matters more than you might envision, since a wrong switch can leave you with a loose dash, a starter that won’t engage, or a wiring loom that doesn’t reach. Initially, check terminal count and labeling so each wire lands where it belongs. Next, confirm key positions so your lights, accessories, and start function work as expected. Also measure mounting details like shaft diameter, panel cutout, thread size, and panel depth so the switch secures cleanly. Then match electrical ratings, contact type, and 12 V compatibility to avoid overloads. Finally, verify connector type and plug or cable length so you won’t splice or stretch wires. These steps keep installation simple and your mower reliable.
Build Materials
After you’ve checked fitment and wiring, the build materials of a key switch are what decide how long it lasts and how well it survives weather, bumps, and repeated use. You’ll want a sturdy zinc alloy or die cast housing because it resists impact and won’t crack under dashboard stress. Inside, brass or copper contacts give better conductivity and steadier performance than plated steel, so your mower starts reliably. Key blanks made from iron or hardened steel stay true to shape after thousands of turns, keeping the tumbler working smoothly. Look for nickel or zinc plated terminals and fasteners to prevent corrosion in wet or salty conditions. Finally, seals and gaskets made from EPDM or silicone block dust and moisture, which extends switch life outdoors.
Electrical Ratings
Whenever you match a key switch to your mower’s electrical system, start with the voltage and current ratings so nothing gets stressed or fails whenever you need it most. You’ll want a switch rated for your mower voltage, usually 12 V on most riding mowers, so wiring doesn’t overheat. Next check the amp rating so contact pins can handle starter solenoid draws without excessive voltage drop. Also confirm terminal count and assignment so battery, start, accessory, and ground lines all connect correctly. Look for corrosion resistant contacts like plated copper or brass and solid insulation to keep connections reliable in wet, bumpy conditions. Finally verify switching logic and any internal protection so the switch sequences and protects the ignition and accessory circuits properly.
Installation Ease
Pick a replacement switch that fits without a fight, and you’ll save time and headaches on install day. Check terminal count and connector type initially so you don’t end up rewiring your wiring loom. Measure the panel hole and mounting style next so the new switch snaps or threads in without drilling. Confirm loom length and lead orientation too, since proper routing prevents strain on wires and nearby parts. Look for switches that come with keys and basic mounting hardware, which keeps you from making an extra trip. Prefer models with clear removal and installation guidance, like move the key to off before removing or squeeze retaining tabs gently. These small checks make the swap feel simple and keep your mower working reliably.
Warranty Coverage
You’ve already made installation easier through matching connectors and mounting styles, and now it helps to give the warranty a close look before you buy. Check the length of coverage, since terms often run from six months to two years, and longer protection matters for parts that face electrical wear. Confirm the warranty covers material and workmanship defects plus premature electrical failure, not just factory faults. Also verify whether it pays for replacement parts, labor, and return shipping, or whether it only offers pro rated part swaps. Read exclusions for normal wear, corrosion, water damage, improper installation, and wiring changes that can void coverage. Finally, make sure the claim process is clear, with proof of purchase, registration windows, and promised turnaround times.