---
title: "f6rtc spark plug — Niche Verdict: Skip it (37/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/automotive/f6rtc-spark-plug"
last_updated: "2026-07-13T22:36:56.068Z"
locale: en
meta:
  description: "soft demand (-44.8% this quarter) — f6rtc spark plug doesn't clear our bar today."
  "og:description": "soft demand (-44.8% this quarter) — f6rtc spark plug doesn't clear our bar today."
  "og:title": "f6rtc spark plug — Niche Verdict: Skip it (37/100) | Amazon United States - Flapen"
---

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# **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 6% 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

## **Competition**

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%**

**Open market**

**4%**

- TORCH37% - Champion25% - Kizut20% - Hipa7% - YAMAKATO4% - Stens2% - Open — no brand owns it (2 brands, 4%)

## **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%$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](https://m.media-amazon.com/images/I/31QodRRGjmL.jpg)**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](https://m.media-amazon.com/images/I/41oknznL8rL.jpg)**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](https://m.media-amazon.com/images/I/31WTmFJfDcL.jpg)**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)](https://m.media-amazon.com/images/I/31QkJOTiEkL.jpg)**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](https://m.media-amazon.com/images/I/41DRr9qc8UL.jpg)**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](https://m.media-amazon.com/images/I/41ifXBR1U8L.jpg)**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](https://m.media-amazon.com/images/I/41SRXeXPbgL.jpg)**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](https://m.media-amazon.com/images/I/41DRr9qc8UL.jpg)**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](https://m.media-amazon.com/images/I/31FszZ3HTPL.jpg)**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](https://m.media-amazon.com/images/I/31QodRRGjmL.jpg)**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](https://m.media-amazon.com/images/I/41ifXBR1U8L.jpg)**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)](https://m.media-amazon.com/images/I/31QkJOTiEkL.jpg)**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](https://m.media-amazon.com/images/I/31WTmFJfDcL.jpg)**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](https://m.media-amazon.com/images/I/51ZL0m1J+QL.jpg)**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)](https://m.media-amazon.com/images/I/41Gu5Cq1JJL.jpg)**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 →~~**

## **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×

## **Reviews**

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%