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53

coil spring

Worth a look

Shows a fragmented shelf (top 5 take 20% of clicks), but weak search conversion (1.1%) keeps it on the watch list.

Market size 54Growth 25Conversion 14Competition 95Returns 48Price range 33Avg price 81Brand share 57Review moat 94Quality gap 48

Competition

Great20%

top-5 click share — an open shelf

Review moat

Great123.89

avg incumbent reviews — the moat a new listing must climb

Avg price

Great$84.85

avg listing price — sweet spot $15–$100

Brand share

Good71%

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

Market size

Good$376K

$376K/yr · 403K searches

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Returns

Okay3.3%

return rate — above 6% kills the launch gate

Price range

Okay$4.02–$261.85

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

Growth

Bad-0.8%

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

Conversion

Bad1.1%

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

Competition

Clicks spread well past the top 5 (20% combined) — an open shelf where new products get seen.

Brands

31 rising

Sellers

109

Top-5 brand share

71%

Open market

26%

  • MOOG24%
  • A-Premium24%
  • Dorman10%
  • Gleyi8%
  • Figpade4%
  • TENOC3%

Product shelf

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

0%2%$8K4%$15K6%$23K8%$30K1101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted

All 101 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -0.8% search growth over the last 90 days.
10K6KSpike '25Spike '26SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.4×

Reviews

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

What buyers love

Quality-Overall22%

“Excellent product”

Size-Overall18%

“Fits like glove”

Value For Money13%

“Great value”

Advertised Vs Actual Product10%

“As advertised”

Assembly/Installation8%

“Easy Installation”

Efficiency5%

“They ride decently well”

Durability3%

“are extremely durable”

Strength2%

“They feel more robust than the Mr. Gasket spacers they're replacing”

Ease Of Use2%

“Handy”

Shock Absorption2%

“Put these on my 2000 Yukon SLE it gave me about 3 of lift in the back, paired with leveling keys up front and new shocks”

What buyers complain about

Size-Overall36%

“Sizing is off”

Functionality-Overall7%

“Doesnt work”

Compatibility-Overall7%

“They lied it doesn't fit a 2003 dodge durango”

Quality-Overall5%

“Useless, poor quality”

Assembly/Installation4%

“Very frustrating and difficult to install properly the way you think they should”

Thickness4%

“These are way to thick to install on a car or any vehicle with small springs”

Advertised Vs Actual Product4%

“Item description is wrong”

Value For Money4%

“Dealership wanted nearly $400 to replace”

Ease Of Use3%

“cant be used”

Defective Material/Parts3%

“Item does not fit my vehicle properly and squeaks loudly”

Top return reasons

Size-Overall64%
Advertised Vs Actual Product7%
Compatibility-Overall6%
Defective Material/Parts4%
Functionality-Overall4%
Strength2%
Value For Money2%
Assembly/Installation2%
Quality-Overall1%
Maintenance And Repair1%