---
title: "Chevy 350 Spark Plugs — $25K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/automotive/chevy-350-spark-plugs"
last_updated: "2026-08-10T18:31:53.685Z"
locale: en
meta:
description: "Niche score 38/100 · $25K/yr market · 12K searches/yr · $21.67 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 38/100 · $25K/yr market · 12K searches/yr · $21.67 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Chevy 350 Spark Plugs — $25K/yr Amazon US Niche (2026) - Flapen"
---
# **chevy 350 spark plugs**
**Skip it**
A concentrated shelf (top 5 take 100% of clicks) — this niche doesn't clear our bar today.
Market size 6Growth 60Conversion 85Competition 0Returns 71Price range 55Avg price 92Brand share 0Review moat 68Quality gap 22
**Avg price**
**Great****$21.67**
avg listing price — sweet spot $15–$100
**Conversion**
**Great****9.4%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Good****2.1%**
return rate — above 5% kills the launch gate
**Review moat**
**Good****788.25**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Good****+36.2%**
90-day search growth — must beat 0% to launch
**Price range**
**Good****$2.54–$30.02**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Market size**
**Bad****$25K**
$25K/yr · 12K searches
**Competition**
**Bad****100%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
**Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500")
According to Flapen's Amazon United States niche tracking, chevy 350 spark plugs is a $25K/yr Amazon United States market (12K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Apr–May. Verdict: Skip it — 38/100.
Data updated Jul 11, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **chevy 350 spark plugs market data**
- **Units sold / yr**
- **3K–4K**
- avg 750–1,000/product
- **Revenue / yr**
- **$65K–$87K**
- units × avg price
- **Conversion rate**
- **9.4%**
- **Avg BSR**
- **#317**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **100%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **71 months**
- **Avg seller age**
- **174 days**
## **Competition & brand share**
The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**2 **▼falling
**Sellers**
**30**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**100%**
Top 20: 100%
**Open market**
**0%**
- 1A Auto51% - ACDelco49%
## **Demand & seasonality**
Weekly Amazon search volume, last 53 weeks — +36.2% search growth over the last 90 days.
700500Spike '25Spike '26 seasonJulAugSepOctNovDecJanFebMarAprMayJun
Peak months: Apr, May · busiest ÷ quietest = 2.3×
[**Open Trend **](https://flapen.com/research/us/automotive/chevy-350-spark-plugs/trend)
## **Top chevy 350 spark plugs search terms**
- **r45ts spark plugs set of 8**5K/yr+35.7%11.1% conv. - **r45ts spark plug**4K/yr+35.5%7.0% conv. - **r45ts**3K/yr+38.3%11.9% conv. [**All search terms **](https://flapen.com/research/us/automotive/chevy-350-spark-plugs/search-terms)
## **Top chevy 350 spark plugs 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%15%$4K30%$7K45%$11K60%$15K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 4 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**AC Delco R45TS Spark Plug Set of 8 for Chevy GMC Buick Cadillac Pontiac Olds**1A Auto**$30.02**4.6★286 rev](https://www.amazon.com/dp/B07CJZ71NK) [2**R45ts Pkg 8**ACDelco**$25.56**4.7★1,659 rev](https://www.amazon.com/dp/B01JN7NCMI) [3**ACDelco GM Original Equipment R45TS (19354415) Conventional Spark Plug**ACDelco**$2.54**4.7★1,118 rev](https://www.amazon.com/dp/B000C9SNFI) [4**R45 Acdelco Spark Plug**ACDelco**$28.57**4.6★90 rev](https://www.amazon.com/dp/B00XUYPLS4)
### **Newest**
by launch date
[**AC Delco R45TS Spark Plug Set of 8 for Chevy GMC Buick Cadillac Pontiac Olds**1A Auto**$30.02**286 rev7y ago](https://www.amazon.com/dp/B07CJZ71NK) [**R45 Acdelco Spark Plug**ACDelco**$28.57**90 rev11y ago](https://www.amazon.com/dp/B00XUYPLS4) [**R45ts Pkg 8**ACDelco**$25.56**1,659 rev11y ago](https://www.amazon.com/dp/B01JN7NCMI) [**ACDelco GM Original Equipment R45TS (19354415) Conventional Spark Plug**ACDelco**$2.54**1,118 rev20y ago](https://www.amazon.com/dp/B000C9SNFI)
### **Trending**
90-day click momentum
[**R45 Acdelco Spark Plug**ACDelco**$28.57**4.6★**▲ 110%**](https://www.amazon.com/dp/B00XUYPLS4) [**AC Delco R45TS Spark Plug Set of 8 for Chevy GMC Buick Cadillac Pontiac Olds**1A Auto**$30.02**4.6★**▲ 101%**](https://www.amazon.com/dp/B07CJZ71NK) [**R45ts Pkg 8**ACDelco**$25.56**4.7★**▼ 31%**](https://www.amazon.com/dp/B01JN7NCMI) [**ACDelco GM Original Equipment R45TS (19354415) Conventional Spark Plug**ACDelco**$2.54**4.7★**▼ 56%**](https://www.amazon.com/dp/B000C9SNFI)
## **What buyers say about chevy 350 spark plugs**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Advertised Vs Actual Product**28%
*“As advertised”*
**Socket/Port/Plug**20%
*“Good plugs”*
**Size-Overall**18%
*“Good fit”*
**Value For Money**18%
*“They are cheaper than autozone”*
**Quality-Overall**14%
*“excellent quality replacement”*
**Assembly/Installation**2%
*“Installation was straightforward, and after installing them my Chevy K10 started easily, idled smoothly, and ran great”*
### **Top return reasons **
**Size-Overall**55%
**Advertised Vs Actual Product**16%
**Compatibility-Overall**9%
**Socket/Port/Plug**6%
**Value For Money**6%
**Functionality-Overall**3%
**Defective Material/Parts**3%
**Heating**1%
**Pressure**1%
**Motor Issues**1%
## **Common questions**
- **Is chevy 350 spark plugs profitable to sell on Amazon United States?**
- The niche generates $25K/yr across 4 tracked products. 90-day search growth is +36.2%. Flapen's verdict: Skip it (38/100).
- **How competitive is the chevy 350 spark plugs niche?**
- 2 brands and 30 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.
- **When does demand for chevy 350 spark plugs peak?**
- Demand peaks in Apr–May; the busiest month runs 2.3× the quietest.
- **What does it cost to enter the chevy 350 spark plugs niche?**
- Listings span $2.54–$30.02; the average listing price is $21.67 (sweet spot $15–$100). The average incumbent carries 788 reviews — the moat a new listing must climb.
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