Is thermostat for car profitable to sell on Amazon United States?

The niche generates $396K/yr across 178 tracked products. 3 of 25 products launched in the last 360 days are still selling. 90-day search growth is -19.0%. Flapen's verdict: Worth a look (59/100).

How competitive is the thermostat for car niche?

61 brands and 193 sellers compete. The top 5 products take 13% of clicks and top 5 brands hold 55% of demand.

What do buyers complain about in thermostat for car?

Top complaints mined from reviews: Size-Overall, Durability, Heating. The return rate is 5.0%.

When does demand for thermostat for car peak?

Demand is steady year-round — the busiest month runs 1.4× the quietest.

What does it cost to enter the thermostat for car niche?

Listings span $6.23–$82.82; the average listing price is $28.05 (sweet spot $15–$100). The average incumbent carries 243 reviews — the moat a new listing must climb.

thermostat for car

Worth a look

Shows a fragmented shelf (top 5 take 13% of clicks), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Competition

Incredible13%

top-5 click share — an open shelf

Avg price

Incredible$28.05

avg listing price — sweet spot $15–$100

Review moat

Great242.85

avg incumbent reviews — the moat a new listing must climb

Price range

Great$6.23–$82.82

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

Brand share

Great55%

top-5 brand share — no brand owns this niche

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Market size

Good$396K

$396K/yr · 444K searches

Conversion

Okay3.2%

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

Returns

Okay5.0%

return rate — above 5% kills the launch gate

Growth

Bad-19.0%

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

According to Flapen's Amazon United States niche tracking, thermostat for car is a $396K/yr Amazon United States market (444K searches/yr). The top 5 brands hold 55% of demand. Verdict: Worth a look — 59/100.

Data updated Jul 9, 2026 · scored weekly · How we score niches

thermostat for car market data

Units sold / yr: 15K–20K; avg 100–250/product
Revenue / yr: $421K–$561K; units × avg price
Conversion rate: 3.2%
Avg BSR: #293
Page quality: 0%
Prime: 99%
Sponsored: 71%
Out of stock: 1.0%
Avg brand age: 45 months
Avg seller age: 150 days

Competition & brand share

Clicks spread well past the top 5 (13% combined) — an open shelf where new products get seen.

Brands

61 rising

Sellers

193

Top-5 brand share

55%

Top 20: 82%

Top-5 click share

13%

Top 20: 35%

Open market

42%

Dorman22%
A-Premium17%
MotoRad9%
MITZONE4%
EVIL ENERGY3%
MILIPARTS3%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -19.0% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.4×

Open Trend

Top thermostat for car search terms

thermostat housing244K/yr -18.3%1.8% conv.
thermostat housing assembly70K/yr -17.1%2.0% conv.
automotive replacement engine thermostat housings13K/yr -9.0%1.6% conv.
180 degree thermostat10K/yr +9.6%2.7% conv.
ac delco thermostat13K/yr -53.3%1.9% conv.
180 thermostat7K/yr +36.2%2.9% conv.
thermostat and housing7K/yr -12.5%1.9% conv.
coolant thermostat housing7K/yr +8.2%1.3% conv.
thermostat and gasket8K/yr -27.9%2.0% conv.
thermostat assembly7K/yr -8.6%1.5% conv.

All search terms

Top thermostat for car products on Amazon

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

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

A-Premium - Thermostat Housing Assembly W/Sensor 68003582AB - Compatible with Dodge Chrysler & Jeep - Journey 09-20 Avenger 09-14 Compass Patriot 07-17 Caliber Sebring 200 - DOHC 4Cyl 2.4L 2.0L

A-Premium$36.454.0★471 rev

A-Premium Upgraded Aluminum Engine Coolant Thermostat Housing Assembly with Sensor & O-ring Compatible with Chevy Cruze 11-16 Sonic 12-20 Trax 13-21 & Buick Encore 13-21 1.4L Replace# 55565336

A-Premium$24.694.5★117 rev

A-Premium Engine Coolant Thermostat Housing Water Outlet w/Sensor Compatible with Buick Chevy Vehicles - 1.4L Only - Cruze 11-15 Sonic 12-20 Trax 13-20 Encore 13-20 - Replaces 25193922

A-Premium$18.744.4★255 rev

SWPHRT Car Coolant Thermostat Housing Assembly Aluminum Vehicle Engine Coolant Thermostat Housing Replaces 96984104 55564891 902-821 Compatible with Aveo Pontiac Sonic Trax

SWPHRT$17.253.6★9 rev

Dorman 902-3036 Engine Coolant Thermostat Housing Assembly Compatible with Select Models

Dorman$16.444.6★2,421 rev

Newest

by launch date

SWPHRT Car Coolant Thermostat Housing Assembly Aluminum Vehicle Engine Coolant Thermostat Housing Replaces 96984104 55564891 902-821 Compatible with Aveo Pontiac Sonic Trax

SWPHRT$17.259 rev

8mo ago

KPFILEH Car Engine Coolant Thermostats OEM#19301-PAA-306 19301-PLC-31

KPFILEH$9.3725 rev

8mo ago

Yongtoparts 902-319 Aluminium Engine Coolant Thermostat Housing Assembly Compatible with Chrysler 200 Sebring Dodge Journey Avenger Caliber Jeep Compass Patriot 2.4L Replace OE 68003582AB 4884873AA

Yongtoparts$46.9826 rev

10mo ago

COILFRDS Thermostat Housing Assembly Thermostat Kit 68003582AB Compatible For JEEP COMPASS 07-17 For DODGE JOURNEY 09-20 JEEP PATRIOT 07-17 For DODGE AVENGER 08-14 1.8L 2.0L 2.4L 4CYL

COILFRDS$59.1733 rev

12mo ago

ACDelco Gold 15-11125G (19474058) Engine Coolant Thermostat

ACDelco$61.3387 rev

1y ago

What buyers say about thermostat for car

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

What buyers love

Size-Overall30%

“Fit like a glove”

Quality-Overall17%

“Build quality feels solid too”

Assembly/Installation9%

“Installed and working great no issues”

Value For Money7%

“fair price”

Advertised Vs Actual Product7%

“Works as it should”

Efficiency5%

“Pos- It worked for my vehicle perfectly”

Material Quality4%

“The materials feel sturdy”

Leak-Proof4%

“Works and doesn't leak”

Heating3%

“the heater performance improved as well”

Durability2%

“Durable quality”

What buyers complain about

Size-Overall16%

“Too big”

Durability13%

“Broke in less than a month”

Heating10%

“Vehicle overheated”

Leak-Proof8%

“started to leak”

Compatibility-Overall6%

“It didn't fit on my vehicle”

Quality-Overall6%

“Cheap quality”

Defective Material/Parts5%

“The part is defective”

Coolant3%

“It did not regulate the coolant temp”

Assembly/Installation2%

“Broke on install very thin”

Sensor2%

“sensor is junk”

Top return reasons

Size-Overall26%

Compatibility-Overall16%

Defective Material/Parts10%

Coolant9%

Advertised Vs Actual Product8%

Heating6%

Functionality-Overall6%

Assembly/Installation5%

Value For Money3%