---
title: "Ngk Bkr5e — $43K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/automotive/ngk-bkr5e"
last_updated: "2026-08-10T12:28:42.699Z"
locale: en
meta:
description: "Niche score 46/100 · $43K/yr market · 27K searches/yr · $11.84 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 46/100 · $43K/yr market · 27K searches/yr · $11.84 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Ngk Bkr5e — $43K/yr Amazon US Niche (2026) - Flapen"
---
# **ngk bkr5e**
**Skip it**
Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size 11Growth 70Conversion 96Competition 21Returns 89Price range 61Avg price 49Brand share 0Review moat 90Quality gap 21
**Conversion**
**Incredible****13.6%**
search→purchase rate — share of searches ending in a sale
**Review moat**
**Great****208.57**
avg incumbent reviews — the moat a new listing must climb
**Returns**
**Great****1.3%**
return rate — above 5% kills the launch gate
**Growth**
**Good****+52.7%**
90-day search growth — must beat 0% to launch
**Price range**
**Good****$7.41–$26.66**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Avg price**
**Okay****$11.84**
avg listing price — sweet spot $15–$100
**Competition**
**Bad****75%**
top-5 click share — a locked-up shelf
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Market size**
**Bad****$43K**
$43K/yr · 27K searches
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, ngk bkr5e is a $43K/yr Amazon United States market (27K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Mar–Apr–May. Verdict: Skip it — 46/100.
Data updated Jul 11, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **ngk bkr5e market data**
- **Units sold / yr**
- **4K–5K**
- avg 250–500/product
- **Revenue / yr**
- **$47K–$59K**
- units × avg price
- **Conversion rate**
- **13.6%**
- **Avg BSR**
- **#283**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **64%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **54 months**
- **Avg seller age**
- **168 days**
## **Competition & brand share**
The top 5 products capture 75% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**4 **▲rising
**Sellers**
**53**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**75%**
Top 20: 100%
**Open market**
**0%**
- NGK79% - LEFITPA13% - JSIERLUOV5% - Eopzol3%
## **Demand & seasonality**
Weekly Amazon search volume, last 58 weeks — +52.7% search growth over the last 90 days.
1K600Spike '26 seasonJunJulAugSepOctNovDecJanFebMarAprMayJun
Peak months: Mar, Apr, May · busiest ÷ quietest = 3.3×
[**Open Trend **](https://flapen.com/research/us/automotive/ngk-bkr5e/trend)
## **Top ngk bkr5e search terms**
- **ngk bkr5e**12K/yr+45.7%15.1% conv. - **bkr5e ngk spark plug**9K/yr+53.1%15.9% conv. - **bkr5e**6K/yr+69.3%11.8% conv. [**All search terms **](https://flapen.com/research/us/automotive/ngk-bkr5e/search-terms)
## **Top ngk bkr5e 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%$4K20%$9K30%$13K40%$17K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 14 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**NGK Copper Spark Plug BKR5E- Set of 4**NGK**$16.22**4.8★167 rev](https://www.amazon.com/dp/B00M5ESCAE) [2**NGK Spark Plug BKR5E (7938) Pack of 8**NGK**$26.66**4.6★173 rev](https://www.amazon.com/dp/B07PJ1Q416) [3**LEFITPA 2 Pack Replacement BKR5E-11 Spark Plug for NGK Lawn Mower Models**LEFITPA**$10.35**4.2★41 rev](https://www.amazon.com/dp/B0C6NXS9PG) [4**NGK Resistor Sparkplug BKR5E for Honda Rancher 420 4x4 2007-2014**NGK**$7.41**4.8★168 rev](https://www.amazon.com/dp/B0781BBDVL) [5**NGK SPARK PLUG SET NGK - 134.56.44 - BKR5E 7938 - Set 2 piece -**NGK**$10.63**4.5★23 rev](https://www.amazon.com/dp/B00A76S2RA)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**JSIERLUOV RC12YC BKR5E Spark Plugs for MTD 759-3336 Champion Briggs 491055S 692051 792015 kohler 12 132 02-S John Deere M78543 M8754 Autolite 3924 Spark Plug (4 Pack)**JSIERLUOV**$8.91**36 rev5mo ago](https://www.amazon.com/dp/B0GKM9NZQP) [**LEFITPA 2 Pack Replacement BKR5E-11 Spark Plug for NGK Lawn Mower Models**LEFITPA**$10.35**41 rev3y ago](https://www.amazon.com/dp/B0C6NXS9PG) [**Eopzol BKR5E Spark Plugs Replacement for NGK 7938 M78543 M143270 25 132 14-S 14 132 03-S 4-Pack**Eopzol**$13.05**43 rev3y ago](https://www.amazon.com/dp/B0BG25715Z) [**NGK Spark Plug BKR5E (7938) Pack of 8**NGK**$26.66**173 rev7y ago](https://www.amazon.com/dp/B07PJ1Q416) [**NGK Resistor Sparkplug BKR5E for Honda Rancher 420 4x4 2007-2014**NGK**$7.41**168 rev8y ago](https://www.amazon.com/dp/B0781BBDVL)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**JSIERLUOV RC12YC BKR5E Spark Plugs for MTD 759-3336 Champion Briggs 491055S 692051 792015 kohler 12 132 02-S John Deere M78543 M8754 Autolite 3924 Spark Plug (4 Pack)**JSIERLUOV**$8.91**4.7★**▲ 124%**](https://www.amazon.com/dp/B0GKM9NZQP) [**NGK Resistor Sparkplug BKR5E for Polaris SPORTSMAN 400 4X4 2001-2005**NGK**$8.12**4.4★**▲ 96%**](https://www.amazon.com/dp/B078194PT4) [**NGK Resistor Sparkplug BKR5E for Polaris SPORTSMAN 500 4X4 1996-1999**NGK**$7.87**4.8★**▲ 58%**](https://www.amazon.com/dp/B07819K2XZ) [**NGK (7938) BKR5E Spark Plug - Pack of 4**NGK**$14.73**4.8★**▲ 45%**](https://www.amazon.com/dp/B00BNZAKAG) [**NGK Spark Plugs BKR5E-11; Bkr5E-11 NGK Spark Plug #6953 Made by NGK Spark Plugs**NGK**$7.99**4.8★**▲ 32%**](https://www.amazon.com/dp/B0093PEW9S)
**~~View all trending →~~**
## **What buyers say about ngk bkr5e**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Socket/Port/Plug**22%
*“Good plugs at a good price”*
**Quality-Overall**15%
*“Good quality”*
**Value For Money**15%
*“Good product for a fair price”*
**Advertised Vs Actual Product**13%
*“Exactly what I needed”*
**Size-Overall**13%
*“Correct size”*
**Efficiency**7%
*“Vehicle runs better”*
**Assembly/Installation**4%
*“Easy to install”*
**Functionality-Overall**2%
*“Well, these are spark plus and after installing my mower actually ran”*
**Product Condition**2%
*“when I take these out they still look like they're new”*
**Brightness/Shine/Glow**2%
*“Sparky”*
### **What buyers complain about **
**Compatibility-Overall**33%
*“Does not fit for John Deere 318”*
**Quality-Overall**25%
*“Cheap”*
**Defective Material/Parts**17%
*“Parts do not fit”*
**Size-Overall**17%
*“it seems loose”*
### **Top return reasons **
**Size-Overall**48%
**Advertised Vs Actual Product**17%
**Compatibility-Overall**9%
**Value For Money**7%
**Defective Material/Parts**5%
**Functionality-Overall**4%
**Socket/Port/Plug**3%
**Motor Issues**2%
**Assembly/Installation**1%
**Heating**1%
## **Common questions**
- **Is ngk bkr5e profitable to sell on Amazon United States?**
- The niche generates $43K/yr across 14 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +52.7%. Flapen's verdict: Skip it (46/100).
- **How competitive is the ngk bkr5e niche?**
- 4 brands and 53 sellers compete. The top 5 products take 75% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in ngk bkr5e?**
- Top complaints mined from reviews: Compatibility-Overall, Quality-Overall, Defective Material/Parts. The return rate is 1.3%.
- **When does demand for ngk bkr5e peak?**
- Demand peaks in Mar–Apr–May; the busiest month runs 3.3× the quietest.
- **What does it cost to enter the ngk bkr5e niche?**
- Listings span $7.41–$26.66; the average listing price is $11.84 (sweet spot $15–$100). The average incumbent carries 209 reviews — the moat a new listing must climb.
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