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2007 honda odyssey alternator

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A small market ($26K/yr) — this niche doesn't clear our bar today.

Market size 6Growth 30Conversion 34Competition 32Returns 22Price range 36Avg price 76Brand share 65Review moat 93Quality gap 82

Review moat

Great137.58

avg incumbent reviews — the moat a new listing must climb

Quality gap

Great4.2★

avg incumbent rating — lower means beatable quality

Avg price

Great$97.29

avg listing price — sweet spot $15–$100

Brand share

Good66%

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

Price range

Okay$77.36–$140.04

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

Conversion

Okay2.7%

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

Competition

Okay66%

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

Growth

Okay+4.0%

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

Returns

Bad6.7%

return rate — above 6% kills the launch gate

Market size

Bad$26K

$26K/yr · 10K searches

Competition

The top 5 products take 66% of clicks — established leaders, but buyers still shop beyond them.

Brands

19 rising

Sellers

24

Top-5 brand share

66%

Open market

30%

  • EnTurbo22%
  • ILONPA15%
  • ASTOU12%
  • GDSMOTU10%
  • OCPTY8%
  • oktiger4%

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%10%$3K20%$5K30%$8K40%$10K1101001K 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 19 tracked products in this niche — three views at once, no toggling.

Demand

Weekly Amazon search volume, last 15 weeks — +4.0% search growth over the last 90 days.
250150Spike '26Mar '26Apr '26Apr '26May '26May '26Jun '26Jun '26Jul '26

Reviews

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

What buyers love

Size-Overall30%

“Perfect fit”

Quality-Overall16%

“Build quality feels solid”

Value For Money14%

“Affordable”

Efficiency9%

“The difference was instant”

Assembly/Installation6%

“Installation was straightforward”

Noise Level4%

“I havent experienced any electrical issues or weird noises”

Advertised Vs Actual Product4%

“works as expected”

Charging3%

“the charging system has been working smoothly with no unusual”

Strength2%

“The engine starts strong now”

Material Quality1%

“Sturdy and good materials”

What buyers complain about

Durability36%

“It's quit working after several months”

Maintenance And Repair9%

“It was horrible to replace”

Size-Overall8%

“Wont fit in celves Had to grind bushing which was sticking out to far then I was able to install it”

Value For Money7%

“Maybe not worth trying to save a few bucks”

Quality-Overall6%

“Poor quality worked for a couple months”

Compatibility-Overall5%

“I was a little worried about compatibility”

Mounting3%

“the bracket will not accept it”

Defective Material/Parts3%

“Sold me a faulty alternator”

Battery Life2%

“my 5 year old bosch battery failed shortly after”

Noise Level2%

“pully bearing is squealing really loud”

Top return reasons

Defective Material/Parts19%
Size-Overall16%
Functionality-Overall15%
Compatibility-Overall11%
Advertised Vs Actual Product7%
Charging6%
Assembly/Installation4%
Mounting4%
Noise Level4%
Socket/Port/Plug3%