By Graham FisherUpdated November 2026
When a lawn mower stopped and won’t start, the cause is usually one of a handful of failing components: the starter motor, the starter solenoid, the recoil starter, or the electrical connections that feed them. This guide compares six real replacement parts sold on Amazon US that address those failures. The selection criteria were compatibility with common mower platforms, the component type matched to the failure, manufacturer-stated fit, and the patterns owners tend to report about durability and installation.
Our top picks at a glance
- 1
TOP CHOICEBest overallBriggs and Stratton Motor Starter 593934 693551 12HP-21HP Fit 31C707 3View on Amazon - 2
TOP CHOICEBest for Kohler-powered Toro mowersToro Recycler Recoil Starter for Kohler XT650 XT675 XT775 XT800 (1416520)View on Amazon - 3
TOP CHOICEBest for Kohler twin-cylinder enginesKohler Starter 7000 Series Mowers for KT715 KT725 KT730 KT735 KT740 KTView on Amazon - 4
Best for Ariens floating deck mowersOEM Replacement Starter Solenoid for Ariens 52" and 60" Turf Tracer Floating DeckView on Amazon - 5
Best budget pick (solenoid)12V Starter Solenoid 146154 145673 for Craftsman LT1000 and HusqvarnaView on Amazon - 6
Best for Husqvarna and Poulan usersBlueStars 4-Pole 146154 145673 Starter Solenoid for Poulan and Husqvarna Lawn MowersView on Amazon
Our Top Picks
Quick Comparison
| Product | Best for | Key feature |
|---|---|---|
| Briggs and Stratton Motor Starter 593934 | Replacing a worn electric starter motor | Broad fit across 12HP–21HP engines |
| Toro Recycler recoil starter (1416520) | Kohler XT-Series engines with a pull cord that won’t engage | OEM-style part number cross-reference |
| Kohler Starter 7000 Series | Kohler twin-cylinder mowers with a dead electric start | Listed for 12V, 20–27 HP Kohler models |
| Ariens OEM starter solenoid | Ariens 52″ and 60″ walk-behind floating deck mowers | Replaces multiple Ariens part numbers |
| 12V Starter Solenoid (146154 / 145673) | Clicking with no cranking on Craftsman and Husqvarna units | Multi-brand cross-reference |
| BlueStars 4-Pole Starter Solenoid | Poulan and Husqvarna mowers with a dead solenoid | 4-pole design with a long list of compatible numbers |
Briggs and Stratton Motor Starter 593934 693551 12HP-21HP Fit 31C707 31R907 31P777 John Deere Z225 D105 L100 Troy Bilt Craftsman DLT-3000 Husqvarna PP19A42 YTH18542 MIA13018 SE501848 5777N
Briggs and Stratton Motor Starter 593934 693551 12HP-21HP Fit 31C707 31R907 31P777 John Deere Z225 D105 L100 Troy Bilt Craftsman DLT-3000 Husqvarna PP19A42 YTH18542 MIA13018 SE501848 5777N
Best for: Replacing a worn or burned-out electric starter motor on mid-size engines
This is a good fit for owners whose mower cranks slowly, grinds, or does nothing at all when the key or button is pressed, and whose battery has already been checked and tested good. The listing covers a long range of John Deere, Troy Bilt, Craftsman and Husqvarna models that use Briggs and Stratton-style starters.
Key specs
- Engine range listed: 12HP to 21HP
- Motor-style starter replacement (electric start)
- Multiple cross-referenced OEM numbers in the listing
Pros
- Wide list of compatible equipment and part numbers
- Direct replacement for a failed starter motor, no wiring changes
- Covers several popular brands in one part
Cons
- Fitment depends on matching the original part number, so verify before ordering
- Installation requires removing the starter, which can be tight on some decks
Bottom line: The most versatile pick here for owners who have confirmed a dead starter motor and want a part that covers a wide range of engines.
Toro Recycler Recoil Starter for Kohler XT650 XT675 XT775 XT800 (1416520)
Fits Select Toro Recycler Mowers With Kohler XT-Series 149cc/173cc Engines; Replaces 1416520, 1416520S And 1416520-S 14 165 20-S Recoil Starter for Kohler XT650 XT675 XT775 XT800
Best for: Kohler XT-Series engines where the pull cord is stiff, jammed, or no longer re-engages the flywheel
This suits owners of Toro Recycler mowers with Kohler XT-Series engines who find the cord won’t turn the engine, or the starter housing is cracked. It is a recoil assembly rather than an electric starter, so it applies only if your mower uses a pull cord.
Key specs
- Fits Kohler XT-Series 149cc and 173cc engines, per the listing
- Replaces Toro part numbers 1416520 and 1416520S
- Recoil (pull-cord) starter design
Pros
- Specific fitment for a common Kohler XT engine family
- Cross-referenced part numbers make matching easier
- Straightforward bolt-on replacement
Cons
- Only useful if the failure is in the recoil system, not the electric start
- Owners report that matching the exact housing style matters, so check the old part first
Bottom line: A targeted choice for Toro Recycler owners with Kohler XT engines whose recoil assembly has failed.
Kohler Starter 7000 Series for KT715 KT725 KT730 KT735 KT740 KT745 Courage Twin SV710 SV715 SV720 SV730 SV735 SV740 SV810 SV820 SV830 SV840
Kohler Starter 7000 Series Mowers for KT715 KT725 KT730 KT735 KT740 KT745 Courage Twin SV710 SV715 SV720 SV730 SV735 SV740 SV810 SV820 SV830 SV840 3209801 3209803 3209804 3209808 12V 20-27 HP
Best for: Kohler 7000 Series and Courage Twin mowers with a dead or non-cranking electric start
This is aimed at owners of larger Kohler twin-cylinder and 7000-series engines. If the engine has power but the starter does not crank, the starter motor is a likely suspect. Confirm the engine model number on the decal before buying.
Key specs
- 12V electric starter, per the listing
- Listed for 20–27 HP Kohler engines
- Multiple Kohler OEM numbers cross-referenced
Pros
- Designed for a large Kohler engine family
- Many OEM numbers listed for easy matching
- Restores electric start without changing the wiring harness
Cons
- Narrow fit: useless outside the listed Kohler models
- Owners often note that the mounting bracket must be transferred from the old unit
Bottom line: The right pick for Kohler 7000-series owners who have confirmed the starter is the fault.
OEM Replacement Starter Solenoid for Ariens 52″ and 60″ Turf Tracer Floating Deck
OEM replacement, replaces Ariens 21546294 35510 3551000 45071, for 52" and 60" turf tracer floating deck walk-behind serial n Stens 435-435 Starter Solenoid
Best for: Ariens walk-behind mowers where the starter solenoid is clicking or not engaging
A solenoid is the small switch that sends current to the starter. A rapid clicking sound, or silence after turning the key, often points here rather than to the motor. This part is intended for Ariens 52-inch and 60-inch floating deck models.
Key specs
- OEM-style replacement starter solenoid
- Replaces Ariens numbers 21546294, 35510, 3551000 and 45071
- Designed for 52″ and 60″ Turf Tracer floating deck walk-behinds
Pros
- Inexpensive way to test whether the solenoid is the root cause
- Multiple Ariens part numbers listed
- Simple two-terminal swap in most cases
Cons
- Limited to Ariens models with the listed numbers
- If the starter motor is the actual fault, a solenoid swap will not solve the problem
Bottom line: A logical first replacement for Ariens floating deck owners who hear a click but no crank.
12V Starter Solenoid 146154 145673 for Craftsman LT1000 and Husqvarna
146154 145673 Starter Solenoid 12V for Craftsman LT1000 Poulan 532145673 Husqvarna 532146154 AYP 109081X Lawn Mower
Best for: Budget-minded owners of Craftsman LT1000 and related Husqvarna or AYP mowers with a clicking solenoid
This is a lower-cost solenoid option for owners who want to rule out the most common electrical failure before paying for a starter motor. It covers several brand numbers, including Craftsman, Poulan, Husqvarna and AYP.
Key specs
- 12V starter solenoid
- Cross-references 146154, 145673, 532145673 and 532146154
- Listed for Craftsman LT1000, Poulan, Husqvarna and AYP 109081X
Pros
- Budget-friendly way to test the solenoid
- Broad multi-brand cross-reference
- Quick to install with basic hand tools
Cons
- Owners sometimes report slight differences in terminal layout, so compare before installing
- Does not address starter motor or battery problems
Bottom line: A sensible low-risk test part for Craftsman and Husqvarna owners who suspect the solenoid.
BlueStars 4-Pole 146154 145673 Starter Solenoid for Poulan and Husqvarna Lawn Mowers
Poulan Husqvarna Lawn Mower 2654 532146154 178861 168327 168327 1685290 1686981 73233 109081X BlueStars 4-Pole 146154 145673 Starter Solenoid – For Craftsman LT1000
Best for: Poulan and Husqvarna mowers that need a 4-pole solenoid with a long compatibility list
This 4-pole solenoid targets Poulan and Husqvarna units and lists a large set of compatible part numbers. It is useful when the original solenoid has corroded terminals or no longer pulls in when the key is turned.
Key specs
- 4-pole starter solenoid design
- Cross-references 146154, 145673, 532146154, 178861 and several others
- Listed for Poulan and Husqvarna lawn mower models
Pros
- Extensive part-number cross-reference list
- Good match for Husqvarna and Poulan platforms
- Direct replacement, no wiring modification
Cons
- Owners often recommend checking the pole count against the original solenoid
- Only addresses the solenoid, so starter motor or battery issues remain
Bottom line: A solid pick for Poulan and Husqvarna owners who have confirmed the solenoid is failing.
Buying Guide
Diagnose the Failure Before You Buy
Match the part to the symptom. A single click with no crank usually points to the solenoid or battery. Rapid clicking often means a weak battery or a poor connection. A motor that grinds or spins without turning the engine suggests a worn starter drive. A pull cord that won’t engage points to the recoil starter. Check battery voltage and cable connections first, since many owners replace good parts by mistake.
Good picks for this: Briggs and Stratton Motor Starter 593934, 12V Starter Solenoid 146154 145673
Confirm Engine and Model Compatibility
Find the engine model number on the decal or the mower’s serial plate, then compare it to the part’s listed engines and OEM numbers. Starter motors and solenoids are often specific to a particular engine family, so a close-looking part may not fit. If the listing does not state your engine, do not guess.
Good picks for this: Kohler Starter 7000 Series, Recoil starter for Kohler XT650 and XT775
Electric Start vs. Recoil Starter
Electric-start mowers use a battery-powered starter motor and a solenoid. Recoil mowers use a pull cord and a recoil assembly. Buying the wrong type wastes money and time. If your mower has a key or push button, you need an electrical component. If it has only a pull cord, you need a recoil part.
Good picks for this: Recoil starter for Kohler XT650 and XT775, Briggs and Stratton Motor Starter 593934
Solenoid Pole Count and Terminal Layout
Solenoids come in different pole configurations and terminal arrangements. Count the terminals on the old unit and compare them to the new one. A 4-pole design may be needed on some Husqvarna and Poulan units, while other mowers use simpler layouts. Mismatched terminals can cause intermittent starting or no engagement.
Good picks for this: BlueStars 4-Pole Starter Solenoid, OEM Replacement Starter Solenoid for Ariens
Durability and Material Quality
Starters and solenoids work under high current and heat. Owners generally report better service life from parts with solid copper contacts and sealed housings. Corrosion on terminals is common on mowers stored outdoors, so inspect connections and clean them with a wire brush when you install a new part.
Good picks for this: Kohler Starter 7000 Series, Briggs and Stratton Motor Starter 593934
Installation Access and Tools
Some starters sit in tight spaces under the deck or behind the engine shroud. Check whether you need socket extensions, a ratchet with a flex head, or a torque wrench. Disconnect the battery before working on electrical parts, and wear eye protection when handling a battery or working near the flywheel.
Good picks for this: 12V Starter Solenoid 146154 145673, BlueStars 4-Pole Starter Solenoid
Use Case and Mower Type
Walk-behind mowers, riding mowers, and garden tractors all use different starting systems and mounting layouts. A part that works on a walk-behind may not fit a tractor. Consider the mower type and how often you use it. Heavy seasonal use puts more strain on starters, so a higher-quality part is often worth choosing.
Good picks for this: OEM Replacement Starter Solenoid for Ariens, Briggs and Stratton Motor Starter 593934
FAQ
Why does my lawn mower click but not start?
A click usually means the solenoid is receiving the signal but the starter motor isn’t getting enough current. Common causes include a weak battery, corroded terminals, or a failing solenoid. Test battery voltage first, clean and tighten the connections, and then check the solenoid before replacing the starter motor.
How do I know if the starter motor or the solenoid is bad?
If you hear a single click and nothing else, the solenoid or battery is a likely cause. If you hear a whirring or grinding sound but the engine doesn’t turn over, the starter motor or its drive is more likely to be at fault. Bypassing the solenoid with a jumper should be done carefully and only by someone familiar with small-engine electrical systems.
Can a dead battery cause a mower to stop and not start?
Yes. A low or dead battery is one of the most common causes. Charge or replace the battery, check that the terminals are clean, and confirm the battery is rated for your engine. Many starting problems that look like part failures are actually battery related.
Will a new spark plug fix a mower that won’t start?
A spark plug can cause no-start conditions, but it is not related to the starter or solenoid. If the mower cranks normally but doesn’t fire, check the spark plug, fuel, and air filter. Spark plug replacement is inexpensive and worth doing before ordering electrical parts.
Do I need to match the part number exactly?
Yes, whenever possible. Starters and solenoids are engine-specific, and small differences in terminal layout or mounting can prevent a proper fit. Use the OEM numbers listed in the product description and compare them to the number stamped on your old part.
Is it safe to replace a starter myself?
Many owners do this successfully with basic hand tools, but electrical work carries risk. Disconnect the battery before starting, avoid working near the flywheel, and consult a qualified small-engine technician if you are unsure about the wiring or the fault. Safety comes first.
How long should a replacement starter last?
Service life varies widely with use, storage, and maintenance. Mowers stored outdoors and used on heavy seasons tend to wear parts faster than those kept in a garage and cleaned regularly. Keeping terminals clean and the battery charged helps extend the life of any replacement part.
Conclusion
When a lawn mower stopped and won’t start, the fix depends on the symptom. For a dead electric start on a mid-size engine, the Briggs and Stratton Motor Starter 593934 is the most broadly fitting option here. Kohler 7000-series owners should look at the Kohler Starter 7000 Series, while Toro Recycler owners with Kohler XT engines need the recoil starter. For a clicking solenoid, start with the 12V Starter Solenoid 146154 145673 as a budget test, or the BlueStars 4-Pole solenoid for Poulan and Husqvarna units. Ariens floating deck owners should consider the OEM solenoid. Confirm the failure before you buy, and check the engine model against each listing.
Sources
- Consumer safety guidance for working with lawn equipment and batteries (cpsc.gov)
- Information on battery handling and charging best practices (energy.gov)
Related reading
- Yardworks Battery Lawn Mower Won't Start: 7 Causes and Fixes
- Yardman Riding Lawn Mower Won't Start: 7 Causes and Fixes
- Yardman Lawn Mower Won't Start: 8 Causes and Fixes (2026)
- Yard Machines Lawn Mower Won't Start: 7 Causes and Fixes
About Graham Fisher
Graham Fisher is part of our editorial team and reviews and edits our lawn mowers guides, checking product details against manufacturer specifications and owner feedback.
