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mopar thermostat

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Soft demand (-28.3% this quarter) — this niche doesn't clear our bar today.

Market size 19Growth 11Conversion 54Competition 39Returns 43Price range 81Avg price 95Brand share 49Review moat 83Quality gap 53

Avg price

Incredible$40.76

avg listing price — sweet spot $15–$100

Review moat

Great343.33

avg incumbent reviews — the moat a new listing must climb

Price range

Great$6.75–$110.52

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

Conversion

Good4.5%

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

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Brand share

Okay76%

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

Returns

Okay3.8%

return rate — above 6% kills the launch gate

Competition

Okay61%

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

Market size

Bad$77K

$77K/yr · 42K searches

Growth

Bad-28.3%

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

Competition

The top 5 products take 61% of clicks — established leaders, but buyers still shop beyond them.

Brands

12 falling

Sellers

90

Top-5 brand share

76%

Open market

18%

  • Mopar39%
  • MITZONE14%
  • A-Premium8%
  • Mishimoto8%
  • Allmotorparts7%
  • Dorman6%

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%$8K20%$15K30%$23K40%$31K1101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 18 tracked products in this niche — three views at once, no toggling.

Demand

Weekly Amazon search volume, last 31 weeks — -28.3% search growth over the last 90 days.
1K600Spike '26Dec '25Jan '26Feb '26Mar '26Apr '26May '26

Reviews

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

What buyers love

Size-Overall26%

“Fit perfect”

Quality-Overall16%

“Well made, great value, a nice upgrade compared to the OEM replacement”

Assembly/Installation14%

“No issues on installation”

Value For Money8%

“worth it”

Efficiency5%

“My husband and friend installed this in our Dodge Durango 2015 and it fixed the issue”

Advertised Vs Actual Product4%

“As advertised”

Durability4%

“Very durable part”

Material Quality4%

“Looks better and feels more solid and durable than the plastic material”

Heating4%

“So far it fixed my overheating problem easy to install no leaks”

Leak-Proof3%

“it does not leak at all”

What buyers complain about

Durability18%

“Failed in one year”

Heating17%

“then my engine started to over heat”

Quality-Overall7%

“Junk”

Leak-Proof5%

“leaking over time”

Compatibility-Overall4%

“Did not fit 95 ford ranger 2.3L”

Measurement/Reading Accuracy3%

“NOT RELIABLE”

Coolant3%

“Took a bit to get all of the air out of the coolant system”

Functionality-Overall3%

“Did not work”

Assembly/Installation2%

“Install took a bit”

Size-Overall2%

“The aftermarket units are slightly shorter than factory”

Top return reasons

Defective Material/Parts16%
Compatibility-Overall14%
Size-Overall13%
Functionality-Overall11%
Heating9%
Coolant7%
Advertised Vs Actual Product7%
Assembly/Installation6%
Material Quality2%
Value For Money2%