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dorman 926-959

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A concentrated shelf (top 5 take 100% of clicks) — this niche doesn't clear our bar today.

Market size 64Growth 5Conversion 84Competition 0Returns 47Price range 27Avg price 73Brand share 0Review moat 72Quality gap 58

Conversion

Great9.1%

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

Avg price

Good$105.90

avg listing price — sweet spot $15–$100

Review moat

Good619.75

avg incumbent reviews — the moat a new listing must climb

Market size

Good$600K

$600K/yr · 62K searches

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Returns

Okay3.4%

return rate — above 6% kills the launch gate

Price range

Okay$52.54–$225.49

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

Growth

Bad-40.2%

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

Competition

Bad100%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

Competition

The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.

Brands

4 falling

Sellers

34

Top-5 brand share

100%

Open market

0%

  • Dorman64%
  • LEMASSON28%
  • BELKEBIR5%
  • MNJWS4%

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%20%$120K40%$240K60%$360K80%$480K1001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 4 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 66 weeks — -40.2% search growth over the last 90 days.
12K8KSpike '25Holiday '25Spike '26AprMayJunJulAugSepOctNovDecJanFebMarAprMayJun

Peak months: Feb, Apr · busiest ÷ quietest = 10.9×

Reviews

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

What buyers love

Quality-Overall22%

“Excellent quality”

Size-Overall14%

“Fit great”

Value For Money11%

“Great value”

Leak-Proof8%

“it does not leak a drop anymore”

Assembly/Installation6%

“Installation went well”

Advertised Vs Actual Product6%

“Just as advertised”

Maintenance And Repair4%

“Great replacement part”

Efficiency3%

“Worked well”

Coolant3%

“Great quality, my truck has been loving the fact it's not leaking oil and coolant anymore”

Durability2%

“very durable”

What buyers complain about

Leak-Proof25%

“Leaking again”

Sensor13%

“Had the wrong sensor one time”

Quality-Overall11%

“Absolute garbage”

Defective Material/Parts5%

“got the damaged item”

Assembly/Installation5%

“unfortunately had to install in recently”

Pressure4%

“Oil Pressure switch no good”

Functionality-Overall2%

“Nothing worked”

Lubrication2%

“DO NOT USE PROVIDED GASKETS”

Value For Money2%

“I was worried because this was so affordable”

Size-Overall2%

“Not fit so good”

Top return reasons

Leak-Proof22%
Defective Material/Parts15%
Size-Overall12%
Coolant8%
Compatibility-Overall6%
Sensor5%
Filtration5%
Value For Money4%
Assembly/Installation4%
Quality-Overall3%