---
title: "Trend — spark plug wrench - Flapen"
canonical_url: "https://flapen.com/research/us/automotive/spark-plug-wrench/trend"
last_updated: "2026-08-09T20:43:17.332Z"
locale: en
meta:
  description: "Niche score 61/100 · $248K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 61/100 · $248K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Trend — spark plug wrench - Flapen"
---

# **spark plug wrench**

**Worth a look**

Shows no brand lock-in (top 5 brands take 46% of clicks), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 46Growth 50Conversion 68Competition 69Returns 64Price range 77Avg price 80Brand share 89Review moat 53Quality gap 32

**Brand share**

**Great****46%**

top-5 brand share — no brand owns this niche

**Avg price**

**Great****$16.92**

avg listing price — sweet spot $15–$100

**Price range**

**Great****$4.80–$50.55**

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

**Competition**

**Good****43%**

top-5 click share — leaders hold, buyers still browse

**Conversion**

**Good****6.2%**

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

**Returns**

**Good****2.5%**

return rate — above 5% kills the launch gate

**Review moat**

**Good****1,378.39**

avg incumbent reviews — the moat a new listing must climb

**Growth**

**Okay****+20.0%**

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

**Market size**

**Okay****$248K**

$248K/yr · 237K searches

**Quality gap**

**Okay****4.6★**

avg incumbent rating — lower means beatable quality

**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%")

## Trend