Is lawn mower starter solenoid profitable to sell on Amazon United States?

The niche generates $41K/yr across 28 tracked products. 1 of 5 products launched in the last 360 days are still selling. 90-day search growth is +96.3%. Flapen's verdict: Worth a look (57/100).

How competitive is the lawn mower starter solenoid niche?

15 brands and 28 sellers compete. The top 5 products take 43% of clicks and top 5 brands hold 68% of demand.

What do buyers complain about in lawn mower starter solenoid?

Top complaints mined from reviews: Durability, Quality-Overall, Functionality-Overall. The return rate is 1.5%.

When does demand for lawn mower starter solenoid peak?

Demand peaks in Apr–May–Jun; the busiest month runs 5.7× the quietest.

What does it cost to enter the lawn mower starter solenoid niche?

Listings span $9.05–$13.97; the average listing price is $11.40 (sweet spot $15–$100). The average incumbent carries 924 reviews — the moat a new listing must climb.

lawn mower starter solenoid

Worth a look

Shows searches that convert (11.0% search→purchase), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Conversion

Great11.0%

search→purchase rate — share of searches ending in a sale

Growth

Great+96.3%

90-day search growth — must beat 0% to launch

Returns

Great1.5%

return rate — above 5% kills the launch gate

Competition

Good43%

top-5 click share — leaders hold, buyers still browse

Review moat

Good924.43

avg incumbent reviews — the moat a new listing must climb

Brand share

Good68%

top-5 brand share — brands hold most of the demand

Avg price

Okay$11.40

avg listing price — sweet spot $15–$100

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Market size

Bad$41K

$41K/yr · 32K searches

Price range

Bad$9.05–$13.97

cheapest to priciest tracked listing — scored on the share inside $15–$100

According to Flapen's Amazon United States niche tracking, lawn mower starter solenoid is a $41K/yr Amazon United States market (32K searches/yr). The top 5 brands hold 68% of demand. Demand peaks in Apr–May–Jun. Verdict: Worth a look — 57/100.

Data updated Jul 16, 2026 · scored weekly · How we score niches

lawn mower starter solenoid market data

Units sold / yr: 3K–4K; avg 100–250/product
Revenue / yr: $34K–$46K; units × avg price
Conversion rate: 11.0%
Avg BSR: #29
Page quality: 0%
Prime: 100%
Sponsored: 100%
Out of stock: 5.3%
Avg brand age: 42 months
Avg seller age: 189 days

Competition & brand share

The top 5 products take 43% of clicks — established leaders, but buyers still shop beyond them.

Brands

15 falling

Sellers

Top-5 brand share

68%

Top 20: 100%

Top-5 click share

43%

Top 20: 93%

Open market

25%

Tecreddy28%
Harbot13%
Hipa12%
LordandLand8%
Stens8%
MaySpare7%

Demand & seasonality

Weekly Amazon search volume, last 56 weeks — +96.3% search growth over the last 90 days.

Peak months: Apr, May, Jun · busiest ÷ quietest = 5.7×

Open Trend

Top lawn mower starter solenoid search terms

lawn mower starter solenoid10K/yr +125.3%7.2% conv.
starter solenoid 12v lawn mower8K/yr +100.8%7.1% conv.
lawn mower solenoid5K/yr +85.1%10.7% conv.
mower starter solenoid4K/yr +77.8%9.7% conv.
lawnmower starter solenoid3K/yr +61.0%11.7% conv.
lawn mower solenoid 12v2K/yr +72.4%10.5% conv.

All search terms

Top lawn mower starter solenoid products on Amazon

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted

All 24 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Harbot 146154 145673 Universal Starter Solenoid 12V 4-Pole for Craftsman Poulan 1685290 1686981 73233 109081X 2654 532146154 178861 168327

Harbot$10.064.5★437 rev

LordandLand 117-1197 Starter Solenoid 4 Terminal for EXMARK Lawn Boy 117-1197 1-513075 513075 104-3189 212655 for Toro Lawn Tractor 104-3189 12V Lawn Mower Starter Solenoid

LordandLand$9.054.5★590 rev

Stens 435-435 Starter Solenoid

Stens$13.254.6★2,038 rev

Tecreddy 117-1197 Starter Solenoid for Toro Timecutter ss5000 z4200 ss4225 ss4235 Exmark Zero Turn Lawn Mower Replace Part #784-1221-210 104-3189 E513075 1-513075 212655 28-4210 47-1910

Tecreddy$13.974.6★1,641 rev

Hipa 582042801 192507 Starter Solenoid for Hus-qvarna Craftsman YS4500 LT2000 YT3000 582042802 532192507 Riding Lawn Mower Tractor 12V 4 Post Parts

Hipa$9.804.6★253 rev

Newest

by launch date

MaySpare Starter Solenoid for Husqvarna 192507 Lawn Tractor Starter Solenoid 725-06153A 725-06153 Compatible with MTD Troy Bilt Yard Man 12VDC

MaySpare$11.540 rev

3mo ago

192507 Starter Solenoid for Husqvarna Poulan 532192507 582042802 582042801 Craftsman LT2000 YS4500 YT3000 Trombetta 862-1241-211-12 Ariens 21546294 Riding Lawn Mower Tractor

Tecreddy$13.891,641 rev

7mo ago

Bullwall Starter Solenoid 12V Lawn Mower Compatible with H-usqvarna 146154 532146154 532109081 532109946 532145673 532175141 33-431 435-435 4-Pole

Bullwall$9.107 rev

7mo ago

KZDAZ 435-700 Starter Solenoid Compatible with Stens Husqvarna 539101714 Trombetta 812-1221-211 Most Riders & Zero Turn Lawn Mowers Starter Solenoid 3 Terminal 12V Replace 854-1221-210 93265-9 93265WR

KZDAZ$9.3020 rev

10mo ago

Tecreddy 725-06153A Starter Solenoid for Cub Cadet XT1 XT2 Enduro RZT LT1 ZT1 ZT2 MTD Troy Bilt Yard Man Husky Yard Machines Craftsman Zero Turn Riding Lawn Mower Tractor 762-1261-211-50

Tecreddy$13.961,641 rev

1y ago

What buyers say about lawn mower starter solenoid

What buyers praise and complain about, mined from review topics.

What buyers love

Size-Overall24%

“The fitment was accurate”

Value For Money15%

“Good price”

Advertised Vs Actual Product15%

“Exactly what I needed”

Quality-Overall14%

“Quality product, great hardware”

Assembly/Installation7%

“Easily installed”

Efficiency6%

“Functionality is excellent”

Functionality-Overall3%

“Works”

Maintenance And Repair3%

“A inexpensive repair part to have on hand”

Ease Of Use2%

“Easy to Use and Works Great”

Correct Contents2%

“Correct part fast shipping”

What buyers complain about

Durability23%

“Doesn't last”

Quality-Overall19%

“Junk disguised in quality box”

Functionality-Overall7%

“found this starter solenoid would not click over”

Defective Material/Parts6%

“failed test prior to install defective”

Battery Life4%

“did not start i checked it the post for the battery was burnt out like burnt off because it was plastic never buy this solenoid”

Size-Overall4%

“It did not fit exactly as I'd hoped”

Value For Money3%

“Not worth it”

Motor Issues3%

“so solenoid was bad out of the box”

Assembly/Installation3%

“Difficult to install”

Maintenance And Repair2%

“10 minutes to replace”

Top return reasons

Functionality-Overall29%

Size-Overall19%

Defective Material/Parts14%

Advertised Vs Actual Product8%

Mounting7%

Connectivity-Overall4%

Compatibility-Overall3%

Value For Money2%

Durability2%

Assembly/Installation2%

Common questions

Is lawn mower starter solenoid profitable to sell on Amazon United States?: The niche generates $41K/yr across 28 tracked products. 1 of 5 products launched in the last 360 days are still selling. 90-day search growth is +96.3%. Flapen's verdict: Worth a look (57/100).
How competitive is the lawn mower starter solenoid niche?: 15 brands and 28 sellers compete. The top 5 products take 43% of clicks and top 5 brands hold 68% of demand.
What do buyers complain about in lawn mower starter solenoid?: Top complaints mined from reviews: Durability, Quality-Overall, Functionality-Overall. The return rate is 1.5%.
When does demand for lawn mower starter solenoid peak?: Demand peaks in Apr–May–Jun; the busiest month runs 5.7× the quietest.
What does it cost to enter the lawn mower starter solenoid niche?: Listings span $9.05–$13.97; the average listing price is $11.40 (sweet spot $15–$100). The average incumbent carries 924 reviews — the moat a new listing must climb.