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64

radiator fan

Launch it

A $863K/yr market growing +51.7% this quarter with returns at 4.0% — clears our launch bar.

Market size 75Growth 70Conversion 21Competition 84Returns 42Price range 42Avg price 86Brand share 85Review moat 77Quality gap 48

Avg price

Great$68.50

avg listing price — sweet spot $15–$100

Brand share

Great50%

top-5 brand share — no brand owns this niche

Competition

Great31%

top-5 click share — an open shelf

Review moat

Great455.35

avg incumbent reviews — the moat a new listing must climb

Market size

Great$863K

$863K/yr · 759K searches

Growth

Good+51.7%

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Returns

Okay4.0%

return rate — above 6% kills the launch gate

Price range

Okay$7.37–$209.57

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

Conversion

Bad1.7%

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

Competition

Clicks spread well past the top 5 (31% combined) — an open shelf where new products get seen.

Brands

37 rising

Sellers

94

Top-5 brand share

50%

Open market

44%

  • BLACKHORSE-RACING16%
  • DNA MOTORING11%
  • Dorman9%
  • STMGW7%
  • A-Premium7%
  • FGJQEFG6%

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%3%$26K6%$52K9%$78K12%$104K1101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 85 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +51.7% search growth over the last 90 days.
25K15KSpike '25Prime Day '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Jun, Jul, Aug · busiest ÷ quietest = 2.9×

Reviews

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

What buyers love

Size-Overall21%

“Direct fit”

Quality-Overall14%

“Good quality, easy to install and wire, provides good air flow”

Assembly/Installation11%

“Easy assembly”

Value For Money11%

“Great Value”

Advertised Vs Actual Product8%

“As advertised”

Efficiency7%

“This fan works well”

Noise Level4%

“quiet in operation”

Coolant3%

“Cooling”

Functionality-Overall2%

“Moves air ok. Seems to function fine”

Strength2%

“it loves them they're more powerful than the OEM ones”

What buyers complain about

Quality-Overall10%

“Medium quality”

Functionality-Overall7%

“Doesnt work”

Noise Level7%

“noisy”

Size-Overall7%

“Small in size”

Durability6%

“I didn't expect it to be very durable”

Advertised Vs Actual Product6%

“Wrong Product Description”

Assembly/Installation6%

“neither had any instructions for installation”

Instructions/User Manual/Troubleshooting4%

“No instructions”

Heating4%

“car overheated with this fan”

Defective Material/Parts4%

“Had a piece broken”

Top return reasons

Size-Overall35%
Functionality-Overall12%
Compatibility-Overall10%
Defective Material/Parts9%
Advertised Vs Actual Product5%
Strength4%
Assembly/Installation4%
Mounting4%
Value For Money2%
Motor Issues1%