---
title: "Thermostat for Car — $396K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/automotive/thermostat-for-car"
last_updated: "2026-08-09T18:41:31.205Z"
locale: en
meta:
description: "Niche score 59/100 · $396K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 59/100 · $396K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Thermostat for Car — $396K/yr Amazon US Niche (2026) - Flapen"
---
# **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.
Market size 55Growth 16Conversion 40Competition 97Returns 25Price range 86Avg price 95Brand share 80Review moat 88Quality gap 58
**Competition**
**Incredible****13%**
top-5 click share — an open shelf
**Avg price**
**Incredible****$28.05**
avg listing price — sweet spot $15–$100
**Review moat**
**Great****242.85**
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**
**Great****55%**
top-5 brand share — no brand owns this niche
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Market size**
**Good****$396K**
$396K/yr · 444K searches
**Conversion**
**Okay****3.2%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Okay****5.0%**
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 ~~](https://flapen.com/research/methodology)
## **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.
10K6KSpike '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.4×
[**Open Trend **](https://flapen.com/research/us/automotive/thermostat-for-car/trend)
## **Top thermostat for car search terms**
- **thermostat housing**244K/yr-18.3%1.8% conv. - **thermostat housing assembly**70K/yr-17.1%2.0% conv. - **automotive replacement engine thermostat housings**13K/yr-9.0%1.6% conv. - **180 degree thermostat**10K/yr+9.6%2.7% conv. - **ac delco thermostat**13K/yr-53.3%1.9% conv. - **180 thermostat**7K/yr+36.2%2.9% conv. - **thermostat and housing**7K/yr-12.5%1.9% conv. - **coolant thermostat housing**7K/yr+8.2%1.3% conv. - **thermostat and gasket**8K/yr-27.9%2.0% conv. - **thermostat assembly**7K/yr-8.6%1.5% conv. [**All search terms **](https://flapen.com/research/us/automotive/thermostat-for-car/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.
0%2%$8K4%$16K6%$24K8%$32K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
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
[1**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**$36.45**4.0★471 rev](https://www.amazon.com/dp/B0CRYYNG6G) [2**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**$24.69**4.5★117 rev](https://www.amazon.com/dp/B0F4DNSF8P) [3**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**$18.74**4.4★255 rev](https://www.amazon.com/dp/B0C6TWMWP4) [4**SWPHRT Car Coolant Thermostat Housing Assembly Aluminum Vehicle Engine Coolant Thermostat Housing Replaces 96984104 55564891 902-821 Compatible with Aveo Pontiac Sonic Trax**SWPHRT**$17.25**3.6★9 rev](https://www.amazon.com/dp/B0G12RG4RN) [5**Dorman 902-3036 Engine Coolant Thermostat Housing Assembly Compatible with Select Models**Dorman**$16.44**4.6★2,421 rev](https://www.amazon.com/dp/B01D8VJJ54)
**~~View all top sellers →~~**
### **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**$17.25**9 rev8mo ago](https://www.amazon.com/dp/B0G12RG4RN) [**KPFILEH Car Engine Coolant Thermostats OEM#19301-PAA-306 19301-PLC-31**KPFILEH**$9.37**25 rev8mo ago](https://www.amazon.com/dp/B0FYVV9KYJ) [**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**$46.98**26 rev10mo ago](https://www.amazon.com/dp/B0FLC7Q5PL) [**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**$59.17**33 rev12mo ago](https://www.amazon.com/dp/B0FHHJX7NR) [**ACDelco Gold 15-11125G (19474058) Engine Coolant Thermostat**ACDelco**$61.33**87 rev1y ago](https://www.amazon.com/dp/B0F9B4GGLL)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**KPFILEH Car Engine Coolant Thermostats OEM#19301-PAA-306 19301-PLC-31**KPFILEH**$9.37**3.3★**▲ 194%**](https://www.amazon.com/dp/B0FYVV9KYJ) [**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**$59.17**4.7★**▲ 97%**](https://www.amazon.com/dp/B0FHHJX7NR) [**SWPHRT Car Coolant Thermostat Housing Assembly Aluminum Vehicle Engine Coolant Thermostat Housing Replaces 96984104 55564891 902-821 Compatible with Aveo Pontiac Sonic Trax**SWPHRT**$17.25**3.6★**▲ 90%**](https://www.amazon.com/dp/B0G12RG4RN) [**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**$46.98**4.7★**▲ 79%**](https://www.amazon.com/dp/B0FLC7Q5PL) [**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**$24.69**4.5★**▲ 70%**](https://www.amazon.com/dp/B0F4DNSF8P)
**~~View all trending →~~**
## **What buyers say about thermostat for car**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**30%
*“Fit like a glove”*
**Quality-Overall**17%
*“Build quality feels solid too”*
**Assembly/Installation**9%
*“Installed and working great no issues”*
**Value For Money**7%
*“fair price”*
**Advertised Vs Actual Product**7%
*“Works as it should”*
**Efficiency**5%
*“Pos- It worked for my vehicle perfectly”*
**Material Quality**4%
*“The materials feel sturdy”*
**Leak-Proof**4%
*“Works and doesn't leak”*
**Heating**3%
*“the heater performance improved as well”*
**Durability**2%
*“Durable quality”*
### **What buyers complain about **
**Size-Overall**16%
*“Too big”*
**Durability**13%
*“Broke in less than a month”*
**Heating**10%
*“Vehicle overheated”*
**Leak-Proof**8%
*“started to leak”*
**Compatibility-Overall**6%
*“It didn't fit on my vehicle”*
**Quality-Overall**6%
*“Cheap quality”*
**Defective Material/Parts**5%
*“The part is defective”*
**Coolant**3%
*“It did not regulate the coolant temp”*
**Assembly/Installation**2%
*“Broke on install very thin”*
**Sensor**2%
*“sensor is junk”*
### **Top return reasons **
**Size-Overall**26%
**Compatibility-Overall**16%
**Defective Material/Parts**10%
**Coolant**9%
**Advertised Vs Actual Product**8%
**Heating**6%
**Functionality-Overall**6%
**Assembly/Installation**5%
**Value For Money**3%
**Sensor**2%
## **Common questions**
- **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.
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