---
title: "xc92yc spark plug — Niche Verdict: Skip it (44/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/automotive/xc92yc-spark-plug"
last_updated: "2026-07-14T00:10:54.829Z"
locale: en
meta:
  description: "brand-locked demand (top 5 brands take 98% of clicks) — xc92yc spark plug doesn't clear our bar today."
  "og:description": "brand-locked demand (top 5 brands take 98% of clicks) — xc92yc spark plug doesn't clear our bar today."
  "og:title": "xc92yc spark plug — Niche Verdict: Skip it (44/100) | Amazon United States - Flapen"
---

Back to Flapen home

# **xc92yc spark plug**

**Skip it**

Brand-locked demand (top 5 brands take 98% of clicks) — this niche doesn't clear our bar today.

Market size 6Growth 71Conversion 97Competition 18Returns 96Price range 41Avg price 47Brand share 5Review moat 85Quality gap 12

**Conversion**

**Incredible****14.8%**

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

**Returns**

**Incredible****0.8%**

return rate — above 6% kills the launch gate

**Review moat**

**Great****298.6**

avg incumbent reviews — the moat a new listing must climb

**Growth**

**Good****+52.8%**

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

**Avg price**

**Okay****$11.66**

avg listing price — sweet spot $15–$100

**Price range**

**Okay****$6.40–$21.04**

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

**Competition**

**Bad****78%**

top-5 click share — a locked-up shelf

**Quality gap**

**Bad****4.8★**

avg incumbent rating — lower means beatable quality

**Market size**

**Bad****$24K**

$24K/yr · 14K searches

**Brand share**

**Bad****98%**

top-5 brand share — brand-locked demand

## **Competition**

The top 5 products capture 78% of clicks — a locked-up shelf that new listings rarely crack.

**Brands**

**6 **—flat

**Sellers**

**49**

**Top-5 brand share**

**98%**

**Open market**

**0%**

- Champion47% - Briggs & Stratton24% - MaxLLTo15% - BNWMEPC6% - SUKATC6% - YINETTECH2%

## **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%$2K20%$5K30%$7K40%$10K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 10 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![GENUINE BRIGGS & STRATTON CHAMPION SPARK PLUG XC92YC](https://m.media-amazon.com/images/I/21F1guhkWML.jpg)**GENUINE BRIGGS & STRATTON CHAMPION SPARK PLUG XC92YC**Briggs & Stratton**$8.28**4.7★430 rev](https://www.amazon.com/dp/B002WNU9A4) [2![Champion XC92YC (980) Copper Plus Small Engine Spark Plug (4)](https://m.media-amazon.com/images/I/41WQmHnUQIL.jpg)**Champion XC92YC (980) Copper Plus Small Engine Spark Plug (4)**Champion**$17.23**4.8★576 rev](https://www.amazon.com/dp/B07CKY88C3) [3![MaxLLTo 2 Pack Replacement XC92YC MIU11020 Spark Plug for John Deere Z335E Z335M Z345M Z345R Z355E Z355R Z375R Models](https://m.media-amazon.com/images/I/41f+BJNz0sL.jpg)**MaxLLTo 2 Pack Replacement XC92YC MIU11020 Spark Plug for John Deere Z335E Z335M Z345M Z345R Z355E Z355R Z375R Models**MaxLLTo**$11.43**4.6★122 rev](https://www.amazon.com/dp/B0BVTVQNKD) [4![Champion Copper Plus Small Engine 980 (XC92YC) Pack of 1 (UPC 037551010219)](https://m.media-amazon.com/images/I/31tXdVbQ21L.jpg)**Champion Copper Plus Small Engine 980 (XC92YC) Pack of 1 (UPC 037551010219)**Champion**$6.40**4.8★255 rev](https://www.amazon.com/dp/B0018JV736) [5![Champion Copper Plus Small Engine 980 (XC92YC) Pack of 4 (UPC 037551155187)](https://m.media-amazon.com/images/I/31tXdVbQ21L.jpg)**Champion Copper Plus Small Engine 980 (XC92YC) Pack of 4 (UPC 037551155187)**Champion**$21.04**4.8★255 rev](https://www.amazon.com/dp/B00HFLAHPK)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![YINETTECH Lawn Mower Spark Plug XC92YC K6RTC 792015 Compatible with Briggs & Stratton](https://m.media-amazon.com/images/I/312osOBxT5L.jpg)**YINETTECH Lawn Mower Spark Plug XC92YC K6RTC 792015 Compatible with Briggs & Stratton**YINETTECH**$9.20**1 rev11mo ago](https://www.amazon.com/dp/B0FM3WXVWQ) [![4 Pack Compatible with John Deere XC92YC MIU11020 Spark Plug Replacement for Z335E Z335M Z345M Z345R Z355E Z355R Z375R Mowers (980) Copper Plus Small Engine Spark Plug](https://m.media-amazon.com/images/I/31UQALCYJAL.jpg)**4 Pack Compatible with John Deere XC92YC MIU11020 Spark Plug Replacement for Z335E Z335M Z345M Z345R Z355E Z355R Z375R Mowers (980) Copper Plus Small Engine Spark Plug**BNWMEPC**$14.91**6 rev1y ago](https://www.amazon.com/dp/B0FDFRRKCN) [![SUKATC XC92YC MIU11020 2PCS Spark Plug Compatible with JD Models Z335E Z335M Z345M Z345R Z355E Z355R Z375R](https://m.media-amazon.com/images/I/31LBahJIrvL.jpg)**SUKATC XC92YC MIU11020 2PCS Spark Plug Compatible with JD Models Z335E Z335M Z345M Z345R Z355E Z355R Z375R**SUKATC**$9.92**9 rev1y ago](https://www.amazon.com/dp/B0F83XSYTJ) [![MaxLLTo 2 Pack Replacement XC92YC MIU11020 Spark Plug for John Deere Z335E Z335M Z345M Z345R Z355E Z355R Z375R Models](https://m.media-amazon.com/images/I/41f+BJNz0sL.jpg)**MaxLLTo 2 Pack Replacement XC92YC MIU11020 Spark Plug for John Deere Z335E Z335M Z345M Z345R Z355E Z355R Z375R Models**MaxLLTo**$11.43**122 rev3y ago](https://www.amazon.com/dp/B0BVTVQNKD) [![(Pack of 2) Champion Spark Plugs for John Deere M78543 M87543 RC12YC Engine](https://m.media-amazon.com/images/I/31sAtuAWzYL.jpg)**(Pack of 2) Champion Spark Plugs for John Deere M78543 M87543 RC12YC Engine**Champion**$8.66**1,263 rev5y ago](https://www.amazon.com/dp/B08T7P3S61)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![4 Pack Compatible with John Deere XC92YC MIU11020 Spark Plug Replacement for Z335E Z335M Z345M Z345R Z355E Z355R Z375R Mowers (980) Copper Plus Small Engine Spark Plug](https://m.media-amazon.com/images/I/31UQALCYJAL.jpg)**4 Pack Compatible with John Deere XC92YC MIU11020 Spark Plug Replacement for Z335E Z335M Z345M Z345R Z355E Z355R Z375R Mowers (980) Copper Plus Small Engine Spark Plug**BNWMEPC**$14.91**4.7★**▲ 45%**](https://www.amazon.com/dp/B0FDFRRKCN) [![GENUINE BRIGGS & STRATTON CHAMPION SPARK PLUG XC92YC](https://m.media-amazon.com/images/I/21F1guhkWML.jpg)**GENUINE BRIGGS & STRATTON CHAMPION SPARK PLUG XC92YC**Briggs & Stratton**$8.28**4.7★**▲ 43%**](https://www.amazon.com/dp/B002WNU9A4) [![YINETTECH Lawn Mower Spark Plug XC92YC K6RTC 792015 Compatible with Briggs & Stratton](https://m.media-amazon.com/images/I/312osOBxT5L.jpg)**YINETTECH Lawn Mower Spark Plug XC92YC K6RTC 792015 Compatible with Briggs & Stratton**YINETTECH**$9.20**5.0★**▲ 36%**](https://www.amazon.com/dp/B0FM3WXVWQ) [![OEM (Pack of 2) Champion Spark Plugs for Briggs & Stratton 635512 696073 696202](https://m.media-amazon.com/images/I/31sAtuAWzYL.jpg)**OEM (Pack of 2) Champion Spark Plugs for Briggs & Stratton 635512 696073 696202**Champion**$9.51**4.9★**▲ 31%**](https://www.amazon.com/dp/B08T7M5HDM) [![Champion Copper Plus Small Engine 980 (XC92YC) Pack of 4 (UPC 037551155187)](https://m.media-amazon.com/images/I/31tXdVbQ21L.jpg)**Champion Copper Plus Small Engine 980 (XC92YC) Pack of 4 (UPC 037551155187)**Champion**$21.04**4.8★**▲ 23%**](https://www.amazon.com/dp/B00HFLAHPK)

**~~View all trending →~~**

## **Demand**

Weekly Amazon search volume, last 10 weeks — +52.8% search growth over the last 90 days.

600400May '26May '26May '26May '26May '26Jun '26Jun '26Jun '26Jun '26Jul '26

## **Reviews**

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

### **What buyers love **

**Advertised Vs Actual Product**24%

*“As advertised”*

**Socket/Port/Plug**21%

*“Great plugs”*

**Quality-Overall**12%

*“Very good quality arrived on time as described”*

**Size-Overall**12%

*“Perfect fit”*

**Value For Money**10%

*“Price for 2 was a good value”*

**Correct Contents**7%

*“This is the exact replacement item”*

**Efficiency**5%

*“Works perfectly”*

**Brightness/Shine/Glow**5%

*“Sparky”*

**Ease Of Use**4%

*“Convenient”*

**Strength**1%

*“They are a champion”*

### **What buyers complain about **

**Durability**100%

*“Mower is dead after installation”*

### **Top return reasons **

**Size-Overall**47%

**Compatibility-Overall**17%

**Advertised Vs Actual Product**12%

**Defective Material/Parts**9%

**Value For Money**7%

**Socket/Port/Plug**5%

**Quality-Overall**1%

**Assembly/Installation**1%