Is glühkerzen profitable to sell on Amazon Germany?

The niche generates €80K/yr across 24 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -47.4%. Flapen's verdict: Skip it (35/100).

How competitive is the glühkerzen niche?

8 brands and 63 sellers compete. The top 5 products take 55% of clicks and top 5 brands hold 94% of demand.

What do buyers complain about in glühkerzen?

Top complaints mined from reviews: Kompatibilität – insgesamt, Haltbarkeit, Gesamtgröße. The return rate is 4.4%.

When does demand for glühkerzen peak?

Demand peaks in Jan–Oct–Nov–Dec; the busiest month runs 2.8× the quietest.

What does it cost to enter the glühkerzen niche?

Listings span €7.94–€86.37; the average listing price is €24.56 (sweet spot $15–$100). The average incumbent carries 220 reviews — the moat a new listing must climb.

glühkerzen

Skip it

Soft demand (-47.4% this quarter) — this niche doesn't clear our bar today.

Avg price

Incredible€24.56

avg listing price — sweet spot $15–$100

Review moat

Great219.79

avg incumbent reviews — the moat a new listing must climb

Price range

Great€7.94–€86.37

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

Competition

Okay55%

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

Returns

Okay4.4%

return rate — above 5% kills the launch gate

Conversion

Okay2.6%

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

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Market size

Bad€80K

€80K/yr · 126K searches

Brand share

Bad94%

top-5 brand share — brand-locked demand

Growth

Bad-47.4%

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

According to Flapen's Amazon Germany niche tracking, glühkerzen is a €80K/yr Amazon Germany market (126K searches/yr). The top 5 brands hold 94% of demand. Demand peaks in Jan–Oct–Nov–Dec. Verdict: Skip it — 35/100.

Data updated Jul 6, 2026 · scored weekly · How we score niches

glühkerzen market data

Units sold / yr: 6K–8K; avg 250–500/product
Revenue / yr: €147K–€196K; units × avg price
Conversion rate: 2.6%
Avg BSR: #113
Page quality: 0%
Prime: 71%
Sponsored: 42%
Out of stock: 4.2%
Avg brand age: 71 months
Avg seller age: 191 days

Competition & brand share

The top 5 products take 55% of clicks — established leaders, but buyers still shop beyond them.

Brands

8 falling

Sellers

Top-5 brand share

94%

Top 20: 100%

Top-5 click share

55%

Top 20: 96%

Open market

Bosch58%
Beru AG13%
Doo Engy10%
NGK8%
Beck/Arnley4%
ROBUST CAR PARTS3%
Open — no brand owns it (2 brands, 3%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -47.4% search growth over the last 90 days.

Peak months: Jan, Oct, Nov, Dec · busiest ÷ quietest = 2.8×

Open Trend

Top glühkerzen 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★)1 product missing review or click data not plotted

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

Top sellers

by 90-day click share

Bosch 0250403009 - Glühkerze Duraterm High Speed - Kartonbox 1 Stück - für dieselbetriebene Fahrzeuge

Bosch€12.074.7★874 rev

BERU GE133 GlŸhkerzen

Beru AG€8.924.8★819 rev

Bosch 0250402002 - Glühkerze Duraterm High Speed - Kartonbox 1 Stück - für dieselbetriebene Fahrzeuge

Bosch€10.844.4★371 rev

Glühkerzen für Passat B6 3C Transporter T5 Multi-van Golf 5 Golf Plus für Touran 1T Caddy 2K Eos für Jetta A2 A3 8P A4 B6 8E A4 B7 8E Altea XL Leon 1P Toledo für Octavia 2 Superb 3T 1.9 TDI 2.0 TDI

Doo Engy€16.704.8★22 rev

NGK 8888 D-Power 57 Glühkerze

NGK€13.894.8★382 rev

Newest

by launch date

BandelOne enthält 4x Glühkerzen Duraterm für 1.6 2.0 Tdi Cr A3 A4 A6 Golf 6 7 Passat

BandelOne€45.700 rev

4mo ago

Doo Engy€16.7022 rev

1y ago

Glühkerze Glühstifte GLP194 für A1 A3 A4 A5 A6 A7 A8 Q2 Q3 Q5 Q7 TT Beetle Caddy CC Eos Golf Je-tta Pa-ssat Phaeton Polo Ti-guan Toua-reg Tou-ran Transporter

Doo Engy€22.2328 rev

2y ago

ROBUST 4x Glühkerzen Duraterm für Audi A2 A3 A4 Seat Altea Leon Toledo Mk3 Skoda Octavia Mk2 Volkswagen Caddy Mk3 Golf Plus Golf Mk5 Transporter T5 0250402005

ROBUST CAR PARTS€39.624 rev

2y ago

Bosch 0250403034 - Glühkerze Duraterm High Speed Glow Plug - Kartonbox 1 Stück - für dieselbetriebene Fahrzeuge

Bosch€13.2667 rev

5y ago

What buyers say about glühkerzen

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

What buyers love

Gesamtgröße33%

“Passt”

Qualität insgesamt31%

“Super Qualität”

Preis-Leistungs-Verhältnis10%

“Preis/Leistung OK”

Funktionalität insgesamt10%

“Auto springt wieder super an”

Effizienz5%

“Funktioniert reibungslos”

beworben Vs Tatsächliches Produkt4%

“Danach funktioniert es wie es sollte”

Montage/Installation3%

“Einbau problemlos geklappt”

Treibstoffeffizienz2%

“Verbrennung und Start sehr gut”

What buyers complain about

Kompatibilität – insgesamt47%

“Passt nicht für MB W204”

Haltbarkeit20%

“noch ca. 14 Monaten defekt”

Gesamtgröße17%

“Passt nicht in Mercedes”

Wartung und Reparatur10%

“Da es unerwartet länger gedauert hatte, bis ich die Reparatur in Angriff genommen habe”

Top return reasons

Gesamtgröße52%

Kompatibilität – insgesamt19%

Defekt Material/Teile7%

beworben Vs Tatsächliches Produkt7%

Funktionalität insgesamt3%

Produktzustand2%

Motorische Probleme2%

Preis-Leistungs-Verhältnis2%

Fühler2%

Montage/Installation1%

Common questions

Is glühkerzen profitable to sell on Amazon Germany?: The niche generates €80K/yr across 24 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -47.4%. Flapen's verdict: Skip it (35/100).
How competitive is the glühkerzen niche?: 8 brands and 63 sellers compete. The top 5 products take 55% of clicks and top 5 brands hold 94% of demand.
What do buyers complain about in glühkerzen?: Top complaints mined from reviews: Kompatibilität – insgesamt, Haltbarkeit, Gesamtgröße. The return rate is 4.4%.
When does demand for glühkerzen peak?: Demand peaks in Jan–Oct–Nov–Dec; the busiest month runs 2.8× the quietest.
What does it cost to enter the glühkerzen niche?: Listings span €7.94–€86.37; the average listing price is €24.56 (sweet spot $15–$100). The average incumbent carries 220 reviews — the moat a new listing must climb.