---
title: "ngk bkr5e — Niche Verdict: Skip it (46/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/automotive/ngk-bkr5e"
last_updated: "2026-07-14T03:21:35.370Z"
locale: en
meta:
  description: "brand-locked demand (top 5 brands take 100% of clicks) — ngk bkr5e doesn't clear our bar today."
  "og:description": "brand-locked demand (top 5 brands take 100% of clicks) — ngk bkr5e doesn't clear our bar today."
  "og:title": "ngk bkr5e — Niche Verdict: Skip it (46/100) | Amazon United States - Flapen"
---

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# **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 6% 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

## **Competition**

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%**

**Open market**

**0%**

- NGK79% - LEFITPA13% - JSIERLUOV5% - Eopzol3%

## **Product shelf**

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](https://m.media-amazon.com/images/I/41Ap0fLT0WL.jpg)**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](https://m.media-amazon.com/images/I/51yYfulvGYL.jpg)**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](https://m.media-amazon.com/images/I/41elYokdHAL.jpg)**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](https://m.media-amazon.com/images/I/21N6hzGmJLL.jpg)**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 -](https://m.media-amazon.com/images/I/51XTqVvfDvL.jpg)**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)](https://m.media-amazon.com/images/I/41xSsBvzECL.jpg)**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](https://m.media-amazon.com/images/I/41elYokdHAL.jpg)**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](https://m.media-amazon.com/images/I/51M6DCBv8vL.jpg)**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](https://m.media-amazon.com/images/I/51yYfulvGYL.jpg)**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](https://m.media-amazon.com/images/I/21N6hzGmJLL.jpg)**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)](https://m.media-amazon.com/images/I/41xSsBvzECL.jpg)**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](https://m.media-amazon.com/images/I/21N6hzGmJLL.jpg)**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](https://m.media-amazon.com/images/I/21N6hzGmJLL.jpg)**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](https://m.media-amazon.com/images/I/411gDLy-wPL.jpg)**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](https://m.media-amazon.com/images/I/41IMlY-jxJL.jpg)**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 →~~**

## **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×

## **Reviews**

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%