---
title: "F6rtc Spark Plug — $129K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/automotive/f6rtc-spark-plug"
last_updated: "2026-08-11T01:27:49.950Z"
locale: en
meta:
description: "Niche score 37/100 · $129K/yr market · 72K searches/yr · $9.68 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 37/100 · $129K/yr market · 72K searches/yr · $9.68 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "F6rtc Spark Plug — $129K/yr Amazon US Niche (2026) - Flapen"
---
# **f6rtc spark plug**
**Skip it**
Soft demand (-44.8% this quarter) — this niche doesn't clear our bar today.
Market size 29Growth 3Conversion 99Competition 18Returns 83Price range 50Avg price 31Brand share 16Review moat 75Quality gap 22
**Conversion**
**Incredible****18.5%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Great****1.6%**
return rate — above 5% kills the launch gate
**Review moat**
**Good****517.54**
avg incumbent reviews — the moat a new listing must climb
**Price range**
**Good****$4.13–$25.80**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Avg price**
**Okay****$9.68**
avg listing price — sweet spot $15–$100
**Market size**
**Okay****$129K**
$129K/yr · 72K searches
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Competition**
**Bad****78%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****94%**
top-5 brand share — brand-locked demand
**Growth**
**Bad****-44.8%**
90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, f6rtc spark plug is a $129K/yr Amazon United States market (72K searches/yr). The top 5 brands hold 94% of demand. Demand peaks in Jan–Apr–May. Verdict: Skip it — 37/100.
Data updated Jul 11, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **f6rtc spark plug market data**
- **Units sold / yr**
- **13K–15K**
- avg 750–1,000/product
- **Revenue / yr**
- **$121K–$145K**
- units × avg price
- **Conversion rate**
- **18.5%**
- **Avg BSR**
- **#171**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **85%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **65 months**
- **Avg seller age**
- **163 days**
## **Competition & brand share**
The top 5 products capture 78% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**8 **—flat
**Sellers**
**43**
**Top-5 brand share**
**94%**
Top 20: 100%
**Top-5 click share**
**78%**
Top 20: 100%
**Open market**
**4%**
- TORCH37% - Champion25% - Kizut20% - Hipa7% - YAMAKATO4% - Stens2% - Open — no brand owns it (2 brands, 4%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -44.8% search growth over the last 90 days.
4K3KSpike '24Holiday '24Spike '25Holiday '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Jan, Apr, May · busiest ÷ quietest = 3.9×
[**Open Trend **](https://flapen.com/research/us/automotive/f6rtc-spark-plug/trend)
## **Top f6rtc spark plug search terms**
- **f6rtc spark plug**24K/yr-43.9%19.0% conv. - **torch f6rtc spark plug**8K/yr-46.4%26.1% conv. - **rn9yc champion spark plug**5K/yr-9.0%16.1% conv. - **champion rn9yc spark plug**5K/yr-38.0%14.7% conv. - **f6rtc**6K/yr-50.3%14.5% conv. - **champion rn9yc**4K/yr-37.5%14.5% conv. - **rn9yc spark plug**3K/yr-32.2%8.4% conv. - **rn9yc**3K/yr-8.8%11.8% conv. - **torch f6rtc**4K/yr-52.1%21.3% conv. - **spark plug f6rtc**4K/yr-57.5%21.8% conv. [**All search terms **](https://flapen.com/research/us/automotive/f6rtc-spark-plug/search-terms)
## **Top f6rtc spark plug 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%$13K20%$26K30%$39K40%$52K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 13 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**TORCH F6RTC 131-039 Spark Plug Replace for NGK BPR6ES Spark Plug for Bosch WR6DC WR7DC Spark Plug for Champion RN9YC RN10YC Spark Plug for Denso W20EPR-U Spark Plug for MTD 951-10292/751-10292 OEM ea**TORCH**$6.01**4.7★1,503 rev](https://www.amazon.com/dp/B09S8DQ3JL) [2**Kizut F6RTC BPR6ES Spark Plug for MTD 951-10292 751-10292 Torch Cub Cadet Troy Bilt Lawn Mower Generator 2Pack**Kizut**$8.46**4.6★859 rev](https://www.amazon.com/dp/B07HKSHGJJ) [3**Champion Copper Plus 415 (RN9YC) Pack of 4 (UPC 037551441655) for 1966-2002 Nissan D21 and Nissan 720**Champion**$11.74**4.4★47 rev](https://www.amazon.com/dp/B000BYPF8M) [4**HIPA BPR6ES Spark Plug for Torch F6RTC F6TC Honda 98079-56846 Champion RN9YC MTD 951-10292 751-10292 (Set of 2)**Hipa**$7.64**4.7★665 rev](https://www.amazon.com/dp/B00WPSFCXK) [5**YAMAKATO Spark Plug for NGK BPR6ES BP6ES TORCH F6RTC F6TC Bosch WR6DC Champion RN9YC for Honda Gx160 Gx200 GX 270 Gx390 Predator 212 Champion Generac Generator**YAMAKATO**$9.99**4.6★448 rev](https://www.amazon.com/dp/B0BP6QMC2Z)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Yistiun BPR6ES Spark Plug for NGK 7131 for Torch F6RTC F6TC MTD 951-10292 951-10292A 751-10292 for Honda 98079-56846 for Champion RN9YC RN10YC GX120 GX160 GX200 GX240 GX270 GX340 GX390**Yistiun**$4.13**10 rev5mo ago](https://www.amazon.com/dp/B0GKYPC5L8) [**YGQ Spark Plug fit for TORCH F6RTC F6TC NGK BPR6ES BP6ES Champion RN9YC Bosch WR6DC Honda GX160 GX270 GX390 Predator 212 Champion Generac Generator**YGQ**$9.76**94 rev1y ago](https://www.amazon.com/dp/B0DFLXLS18) [**YAMAKATO Spark Plug for NGK BPR6ES BP6ES TORCH F6RTC F6TC Bosch WR6DC Champion RN9YC for Honda Gx160 Gx200 GX 270 Gx390 Predator 212 Champion Generac Generator**YAMAKATO**$9.99**448 rev3y ago](https://www.amazon.com/dp/B0BP6QMC2Z) [**PK2 TORCH F6RTC Spark Plug Replace for NGK 7131 BPR6ES Spark Plug for Bosch WR6DC WR7DC Spark Plug for Champion RN9YC RN10YC Spark Plug for Denso W20EPR-U Spark Plug for MTD 951-10292/751-10292 OEM**TORCH**$8.61**611 rev4y ago](https://www.amazon.com/dp/B09X9J4GXJ) [**TORCH F6RTC 131-039 Spark Plug Replace for NGK BPR6ES Spark Plug for Bosch WR6DC WR7DC Spark Plug for Champion RN9YC RN10YC Spark Plug for Denso W20EPR-U Spark Plug for MTD 951-10292/751-10292 OEM ea**TORCH**$6.01**1,503 rev4y ago](https://www.amazon.com/dp/B09S8DQ3JL)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Yistiun BPR6ES Spark Plug for NGK 7131 for Torch F6RTC F6TC MTD 951-10292 951-10292A 751-10292 for Honda 98079-56846 for Champion RN9YC RN10YC GX120 GX160 GX200 GX240 GX270 GX340 GX390**Yistiun**$4.13**4.5★**▲ 345%**](https://www.amazon.com/dp/B0GKYPC5L8) [**HIPA BPR6ES Spark Plug for Torch F6RTC F6TC Honda 98079-56846 Champion RN9YC MTD 951-10292 751-10292 (Set of 2)**Hipa**$7.64**4.7★**▲ 260%**](https://www.amazon.com/dp/B00WPSFCXK) [**Champion Copper Plus 415 (RN9YC) Pack of 4 (UPC 037551441655) for 1966-2002 Nissan D21 and Nissan 720**Champion**$11.74**4.4★**▲ 135%**](https://www.amazon.com/dp/B000BYPF8M) [**Champion Spark Plug Replaces MTD 951-10292 & Torch F6RTC NGK BPR6ES & BPR6EY**Champion**$7.26**4.7★**▲ 39%**](https://www.amazon.com/dp/B01HCFRHVK) [**Champion RN9YC-8PK Copper Plus Small Engine Spark Plug # 415 (8 Pack)**Champion**$25.80**4.8★**▲ 23%**](https://www.amazon.com/dp/B00GG18TOG)
**~~View all trending →~~**
## **What buyers say about f6rtc spark plug**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**22%
*“Exact fit”*
**Quality-Overall**17%
*“Good quality”*
**Socket/Port/Plug**14%
*“These spark plugs are the best”*
**Value For Money**10%
*“Worth the money”*
**Advertised Vs Actual Product**9%
*“Works as intended”*
**Efficiency**5%
*“Works good”*
**Ease Of Cleaning**3%
*“Runs clean and after a year of sitting the mower started first pull”*
**Blower**3%
*“Fits perfectly in my snow blower”*
**Motor Power**3%
*“Engine starts right up like new”*
**Assembly/Installation**2%
*“Installation is straightforward”*
### **What buyers complain about **
**Size-Overall**32%
*“Didn't fit my spark plug cap”*
**Advertised Vs Actual Product**23%
*“Not accurate description”*
**Ease Of Use**9%
*“it was hard to start”*
**Motor Issues**9%
*“old gas kills a mower”*
**Functionality-Overall**8%
*“Function poor”*
**Quality-Overall**5%
*“These are poor quality”*
**Durability**3%
*“These simply do not last very long”*
**Value For Money**3%
*“Not worth the money”*
### **Top return reasons **
**Size-Overall**52%
**Advertised Vs Actual Product**16%
**Functionality-Overall**7%
**Socket/Port/Plug**6%
**Defective Material/Parts**6%
**Value For Money**3%
**Compatibility-Overall**3%
**Maintenance And Repair**1%
**Assembly/Installation**1%
**Product Condition**1%
## **Common questions**
- **Is f6rtc spark plug profitable to sell on Amazon United States?**
- The niche generates $129K/yr across 13 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -44.8%. Flapen's verdict: Skip it (37/100).
- **How competitive is the f6rtc spark plug niche?**
- 8 brands and 43 sellers compete. The top 5 products take 78% of clicks and top 5 brands hold 94% of demand.
- **What do buyers complain about in f6rtc spark plug?**
- Top complaints mined from reviews: Size-Overall, Advertised Vs Actual Product, Ease Of Use. The return rate is 1.6%.
- **When does demand for f6rtc spark plug peak?**
- Demand peaks in Jan–Apr–May; the busiest month runs 3.9× the quietest.
- **What does it cost to enter the f6rtc spark plug niche?**
- Listings span $4.13–$25.80; the average listing price is $9.68 (sweet spot $15–$100). The average incumbent carries 518 reviews — the moat a new listing must climb.
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