---
title: "Car Bulbs By Reg — £67K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/automotive/car-bulbs-by-reg"
last_updated: "2026-08-09T16:17:13.393Z"
locale: en
meta:
description: "Niche score 34/100 · £67K/yr market · 168K searches/yr · £6.25 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 34/100 · £67K/yr market · 168K searches/yr · £6.25 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Car Bulbs By Reg — £67K/yr Amazon UK Niche (2026) - Flapen"
---
# **car bulbs by reg**
**Skip it**
Soft demand (-31.9% this quarter) — this niche doesn't clear our bar today.
Market size 17Growth 9Conversion 69Competition 37Returns 85Price range 34Avg price 17Brand share 11Review moat 37Quality gap 40
**Returns**
**Great****1.5%**
return rate — above 5% kills the launch gate
**Conversion**
**Good****6.3%**
search→purchase rate — share of searches ending in a sale
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Competition**
**Okay****63%**
top-5 click share — leaders hold, buyers still browse
**Review moat**
**Okay****2,764.44**
avg incumbent reviews — the moat a new listing must climb
**Price range**
**Okay****£2.54–£21.48**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Market size**
**Bad****£67K**
£67K/yr · 168K searches
**Avg price**
**Bad****£6.25**
avg listing price — sweet spot $15–$100
**Brand share**
**Bad****95%**
top-5 brand share — brand-locked demand
**Growth**
**Bad****-31.9%**
90-day search growth — must beat 0% to launch
According to Flapen's Amazon United Kingdom niche tracking, car bulbs by reg is a £67K/yr Amazon United Kingdom market (168K searches/yr). The top 5 brands hold 95% of demand. Verdict: Skip it — 34/100.
Data updated Jul 18, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **car bulbs by reg market data**
- **Units sold / yr**
- **10K–13K**
- avg 250–500/product
- **Revenue / yr**
- **£63K–£78K**
- units × avg price
- **Conversion rate**
- **6.3%**
- **Avg BSR**
- **#13**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **44%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **62 months**
- **Avg seller age**
- **164 days**
## **Competition & brand share**
The top 5 products take 63% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**6 **▼falling
**Sellers**
**87**
**Top-5 brand share**
**95%**
Top 20: 100%
**Top-5 click share**
**63%**
Top 20: 100%
**Open market**
**0%**
- OSRAM44% - Bosch19% - Xtremeauto14% - Tek Automotive11% - Status8% - Simply5% - Open — no brand owns it (0%)
## **Top car bulbs by reg search terms**
- **car bulbs by reg**36K/yr-16.1%1.8% conv. - **car bulbs**37K/yr-44.7%2.8% conv. - **indicator bulbs**24K/yr-18.7%8.4% conv. - **car light bulbs**24K/yr-50.9%2.3% conv. - **py21w indicator bulbs**11K/yr-37.4%16.3% conv. - **py21w**7K/yr+12.8%17.9% conv. - **car bulb**9K/yr-42.8%3.3% conv. - **car lights bulbs & indicators**8K/yr-60.1%0.2% conv. - **indicator bulb**5K/yr-20.7%10.5% conv. - **orange indicator bulbs 12v**4K/yr-6.5%13.7% conv. [**All search terms **](https://flapen.com/research/uk/automotive/car-bulbs-by-reg/search-terms)
## **Top car bulbs by reg 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%10%£7K20%£13K30%£20K40%£27K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 16 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**OSRAM ORIGINAL LINE 12V PY21W signal lamp Metal Base Double Blister (2 lamps)**OSRAM**£3.40**4.6★634 rev](https://www.amazon.co.uk/dp/B0D8438YLH) [2**STATUS 10Piece Universal Replacement Car Bulb and Fuse Kit Emergency Spare Light Bulbs + Fuses for Common Vehicle Levels Compact Storage Case (CSBK1PKB6)**Status**£4.17**4.6★397 rev](https://www.amazon.co.uk/dp/B07KGDSHYQ) [3**Xtremeauto X10 581 PY21W Bulbs - Car Indicator Bulbs X10 12V Indicator Bulbs Orange Amber Bayonet 21W Car Lights Indicators Bulb 12 21W Bulb Orange Indicator Bulbs 12V**Xtremeauto**£6.67**4.3★223 rev](https://www.amazon.co.uk/dp/B0CLDT1C8H) [4**Tek Automotive 581 PY21W Indicator Bulbs 12V 21W BAU15S E-Marked Road Legal Amber Offset Pin Twin Pack**Tek Automotive**£5.25**4.5★430 rev](https://www.amazon.co.uk/dp/B0CJRVVVFG) [5**Bosch H7 (477) Pure Light Halogen Headlight Bulb 12 V 55 W Original Quality - Socket Type PX26d - 1 Replacement Car Light Bulb**Bosch**£4.14**4.5★4,615 rev](https://www.amazon.co.uk/dp/B002B552T6)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**OSRAM ORIGINAL LINE 12V PY21W signal lamp Metal Base Double Blister (2 lamps)**OSRAM**£3.40**634 rev1y ago](https://www.amazon.co.uk/dp/B0D8438YLH) [**OSRAM ULTRA LIFE PY21W Double Blister (2 lamps)**OSRAM**£4.60**3,602 rev1y ago](https://www.amazon.co.uk/dp/B0D843LWD6) [**OSRAM ULTRA LIFE P21/5W Double Blister (2 lamps)**OSRAM**£3.39**3,602 rev1y ago](https://www.amazon.co.uk/dp/B0D842YXXH) [**OSRAM NIGHT BREAKER 220 H7 +220% more brightness halogen headlight lamp 64210NB220-2HB Folding Box (2 lamps)**OSRAM**£21.48**8,750 rev2y ago](https://www.amazon.co.uk/dp/B0D4QSM4CL) [**Xtremeauto X10 581 PY21W Bulbs - Car Indicator Bulbs X10 12V Indicator Bulbs Orange Amber Bayonet 21W Car Lights Indicators Bulb 12 21W Bulb Orange Indicator Bulbs 12V**Xtremeauto**£6.67**223 rev2y ago](https://www.amazon.co.uk/dp/B0CLDT1C8H)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**OSRAM ULTRA LIFE P21/5W Double Blister (2 lamps)**OSRAM**£3.39**4.6★**▲ 114%**](https://www.amazon.co.uk/dp/B0D842YXXH) [**Bosch P21W (382) Longlife Daytime Halogen Headlight Bulbs 12 V 21 W Long-lasting - Socket Type BA15s - Pack of 2 Replacement Car Light Bulbs**Bosch**£3.60**4.5★**▲ 93%**](https://www.amazon.co.uk/dp/B003JY81S2) [**Bosch W5W (501) Pure Light Car Light Bulbs - 12 V 5 W W2 1x9 5d - 2 Bulbs**Bosch**£3.92**4.6★**▲ 48%**](https://www.amazon.co.uk/dp/B003JY81TG) [**STATUS 10Piece Universal Replacement Car Bulb and Fuse Kit Emergency Spare Light Bulbs + Fuses for Common Vehicle Levels Compact Storage Case (CSBK1PKB6)**Status**£4.17**4.6★**▲ 48%**](https://www.amazon.co.uk/dp/B07KGDSHYQ) [**OSRAM ORIGINAL LINE 12V PY21W signal lamp Metal Base Double Blister (2 lamps)**OSRAM**£3.40**4.6★**▲ 35%**](https://www.amazon.co.uk/dp/B0D8438YLH)
**~~View all trending →~~**
## **What buyers say about car bulbs by reg**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Brightness/Shine/Glow**25%
*“Nice bright bulbs”*
**Quality-Overall**21%
*“Excellent quality”*
**Value For Money**17%
*“Excellent value”*
**Size-Overall**11%
*“Easy fit”*
**Advertised Vs Actual Product**10%
*“As shown”*
**Ease Of Use**3%
*“Easy to use”*
**Color**2%
*“Lovely orange color”*
**Assembly/Installation**1%
*“Fitting was no problem”*
**Efficiency**1%
*“Works well”*
**Durability**1%
*“Overall: A great value upgrade if you want durability”*
### **What buyers complain about **
**Brightness/Shine/Glow**15%
*“Not as bright as I expected”*
**Durability**15%
*“didn't even last 12 months”*
**Quality-Overall**14%
*“Rubbish”*
**Color**10%
*“Colour is yellow not white”*
**Size-Overall**9%
*“do not fit”*
**Compatibility-Overall**8%
*“Not compatible with my car”*
**Advertised Vs Actual Product**6%
*“Not as advertised”*
**Value For Money**3%
*“costly in time when youve stripped it back to find out”*
**Connectivity-Overall**2%
*“Poor connection”*
**Functionality-Overall**2%
*“Neither bulb worked on delivery”*
### **Top return reasons **
**Size-Overall**38%
**Compatibility-Overall**25%
**Advertised Vs Actual Product**9%
**Functionality-Overall**6%
**Defective Material/Parts**5%
**Brightness/Shine/Glow**5%
**Color**2%
**Assembly/Installation**2%
**Value For Money**1%
**Product Condition**1%
## **Common questions**
- **Is car bulbs by reg profitable to sell on Amazon United Kingdom?**
- The niche generates £67K/yr across 16 tracked products. 90-day search growth is -31.9%. Flapen's verdict: Skip it (34/100).
- **How competitive is the car bulbs by reg niche?**
- 6 brands and 87 sellers compete. The top 5 products take 63% of clicks and top 5 brands hold 95% of demand.
- **What do buyers complain about in car bulbs by reg?**
- Top complaints mined from reviews: Brightness/Shine/Glow, Durability, Quality-Overall. The return rate is 1.5%.
- **What does it cost to enter the car bulbs by reg niche?**
- Listings span £2.54–£21.48; the average listing price is £6.25 (sweet spot $15–$100). The average incumbent carries 2,764 reviews — the moat a new listing must climb.
## **Related niches in Automotive**
- 66 [**conservatory roof cleaner**](https://flapen.com/research/uk/automotive/conservatory-roof-cleaner)£161K/yr+19.9%**Worth a look**- 66 [**12v water pump**](https://flapen.com/research/uk/automotive/12v-water-pump)£149K/yr+67.3%**Worth a look**- 66 [**car flags**](https://flapen.com/research/uk/automotive/car-flags)£60K/yr>1,000%**Worth a look**- 67 [**ac recharge kit**](https://flapen.com/research/uk/automotive/ac-recharge-kit)£241K/yr>1,000%**Worth a look**- 67 [**jockey wheel**](https://flapen.com/research/uk/automotive/jockey-wheel)£182K/yr+52.3%**Worth a look**- 67 [**car jack**](https://flapen.com/research/uk/automotive/car-jack)£873K/yr+21.6%**Launch it**[**All Automotive niches **](https://flapen.com/research/uk/automotive)