thermostat auto
Skip itA small market ($29K/yr) — this niche doesn't clear our bar today.
Review moat
Incredible88.39avg incumbent reviews — the moat a new listing must climb
Avg price
Incredible€23.62avg listing price — sweet spot $15–$100
Competition
Great27%top-5 click share — an open shelf
Price range
Great€6.62–€67.92cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Great4.2★avg incumbent rating — lower means beatable quality
Brand share
Okay81%top-5 brand share — brands hold most of the demand
Conversion
Okay2.4%search→purchase rate — share of searches ending in a sale
Returns
Bad5.5%return rate — above 5% kills the launch gate
Growth
Bad-34.5%90-day search growth — must beat 0% to launch
Market size
Bad€29K€29K/yr · 51K searches
According to Flapen's Amazon Germany niche tracking, thermostat auto is a €29K/yr Amazon Germany market (51K searches/yr). The top 5 brands hold 81% of demand. Verdict: Skip it — 47/100.
Data updated Jul 6, 2026 · scored weekly · How we score niches
thermostat auto market data
- Units sold / yr
- 2K–2K
- avg 0–100/product
- Revenue / yr
- €35K–€47K
- units × avg price
- Conversion rate
- 2.4%
- Avg BSR
- #416
- Page quality
- 0%
- Prime
- 88%
- Sponsored
- 52%
- Out of stock
- 1.4%
- Avg brand age
- 76 months
- Avg seller age
- 212 days
Competition & brand share
Clicks spread well past the top 5 (27% combined) — an open shelf where new products get seen.Brands
11 falling
Sellers
58
Top-5 brand share
81%
Top 20: 100%
Top-5 click share
27%
Top 20: 59%
Open market
12%
- febi bilstein39%
- HELLA15%
- Doo Engy10%
- Gates9%
- Frankberg7%
- Valeo7%
- Open — no brand owns it (5 brands, 12%)
Demand
Weekly Amazon search volume, last 23 weeks — -34.5% search growth over the last 90 days.Top thermostat auto search terms
- thermostat auto35K/yr
- thermostatgehäuse9K/yr
- kühlwasserthermostat7K/yr
Top thermostat auto 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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
febi bilstein 17890 Thermostat mit Dichtring 1 Stück
febi bilstein€8.634.8★137 rev

VALEO Thermostat Kühlmittel
Valeo€16.864.5★247 rev

GATES Thermostat TH11287G1
Gates€10.054.5★527 rev

HELLA 8MT 354 777-341 Thermostat Kühlmittel - Öffnungstemperatur: 87C - mit Dichtung
HELLA€22.544.1★200 rev

HELLA 8MT 354 775-311 Thermostat Kühlmittel - Öffnungstemperatur: 87C
HELLA€15.564.6★494 rev
Newest
by launch date
Thermostat Gehäuse Thermoschlauch Wasserrückführung Thermostatgehäuse für Astra H Astra J Insignia A Mokka X Signum Vectra C Caravan Zafira C Tourer Zafira B 159 Aveo Cruze Orlando Trax Croma 1.6 1.8
Doo Engy€38.0415 rev

Frankberg Thermostat Kühlmittel mit Dichtung mit Gehäuse Kompatibel mit Cruze J300 1.4L 2013-2016 Astra J P10 1.4L 2009-2015 Corsa D S07 1.2L 1.4L 2006-2014 Replace# 55593033
Frankberg€21.4527 rev

HELLA 8MT 354 778-371 Thermostat Kühlmittel - Öffnungstemperatur: 71C - mit Dichtungen
HELLA€11.4925 rev

Thermostat Kühlmittel Gehäuse Kühlmittelgehäuse Motorkühlmittel Thermostatgehäuse mit Sensor für Adam Astra J GTC Cascada Corsa D E Insignia A Sports Tourer Meriva B Mokka X
Doo Engy€21.0727 rev

Doo Engy Thermostat Kühlmittel Thermostatgehäuse Kühlmittelregler mit Gehäuse Sensor Dichtung für Astra H Insignia A Signum Vectra C Caravan Zafira B 159 Croma 194 Cruze Kalos Aveo T300 1.6 1.8 16V
Doo Engy€15.8426 rev
Trending
90-day click momentum
Thermostat Kühlmittel Gehäuse Kühlmittelgehäuse Motorkühlmittel Thermostatgehäuse mit Sensor für Adam Astra J GTC Cascada Corsa D E Insignia A Sports Tourer Meriva B Mokka X
Doo Engy€21.072.6★

Thermostat Gehäuse Sensor Montage Motor Kühlmittel Thermostat Getriebe Stellmotor Verteilergetriebe mit Dichtung für Astra J P10 Adam M13 Corsa D S07 Meriva B S10 Corsa E X15 Aveo T300 Cruze 405 306
Doo Engy€17.083.8★

MAHLE TM 13 97 Thermostat Kühlmittel für BMW 5 (E39) u.a.
MAHLE€37.714.6★

Doo Engy Thermostat Kühlmittel Thermostatgehäuse Kühlmittelregler mit Gehäuse Sensor Dichtung für Astra H Insignia A Signum Vectra C Caravan Zafira B 159 Croma 194 Cruze Kalos Aveo T300 1.6 1.8 16V
Doo Engy€15.844.0★

febi bilstein 17890 Thermostat mit Dichtring 1 Stück
febi bilstein€8.634.8★
What buyers say about thermostat auto
What buyers praise and complain about, mined from review topics.What buyers love
“Paßt perfekt”
“Super Produkt”
“Funktioniert”
“War billig”
“Zuverlässiges Thermostat”
“ließ sich leicht installieren”
“Wie neuen”
“Das Ersatzteil entspricht genau der Beschreibung”
“Funktioniert zuverlässig – klare Empfehlung”
“Jetzt hab ich auch keinen Kühlmittelverlust mehr”
What buyers complain about
“Past nicht”
“Passt nicht 100% zum Peugeot”
“2 Jahre hats gehalten”
“War beim Einbau schon defekt”
“1300€ Einbaukosten gezahlt”
“Was hier angeboten wird ist einfach nur Schrott”
“Leider direkt nach 4 Wochen wieder undicht am Übergang zur Wasserpumpe”
“Was hier angeboten wird ist einfach nur Schrott”
“das Wasser wird nicht warm”
“Leider direkt nach 4 Wochen wieder undicht am Übergang zur Wasserpumpe”
Top return reasons
Common questions
- Is thermostat auto profitable to sell on Amazon Germany?
- The niche generates €29K/yr across 67 tracked products. 90-day search growth is -34.5%. Flapen's verdict: Skip it (47/100).
- How competitive is the thermostat auto niche?
- 11 brands and 58 sellers compete. The top 5 products take 27% of clicks and top 5 brands hold 81% of demand.
- What do buyers complain about in thermostat auto?
- Top complaints mined from reviews: Gesamtgröße, Kompatibilität – insgesamt, Haltbarkeit. The return rate is 5.5% — above our launch gate.
- What does it cost to enter the thermostat auto niche?
- Listings span €6.62–€67.92; the average listing price is €23.62 (sweet spot $15–$100). The average incumbent carries 88 reviews — the moat a new listing must climb.