---
title: "Trend — ql78yc marine spark plug - Flapen"
canonical_url: "https://flapen.com/research/us/automotive/ql78yc-marine-spark-plug/trend"
last_updated: "2026-08-09T23:08:15.241Z"
locale: en
meta:
  description: "Niche score 59/100 · $35K/yr market · 11K searches/yr. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 59/100 · $35K/yr market · 11K searches/yr. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Trend — ql78yc marine spark plug - Flapen"
---

# **ql78yc marine spark plug**

**Worth a look**

Shows demand growing +175.7% this quarter, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 9Growth 97Conversion 96Competition 8Returns 84Price range 95Avg price 95Brand share 12Review moat 94Quality gap 81

**Growth**

**Incredible****+175.7%**

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

**Conversion**

**Incredible****14.1%**

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

**Avg price**

**Incredible****$23.17**

avg listing price — sweet spot $15–$100

**Price range**

**Incredible****$16.65–$31.76**

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

**Review moat**

**Great****115.44**

avg incumbent reviews — the moat a new listing must climb

**Returns**

**Great****1.5%**

return rate — above 5% kills the launch gate

**Quality gap**

**Great****4.2★**

avg incumbent rating — lower means beatable quality

**Brand share**

**Bad****95%**

top-5 brand share — brand-locked demand

**Market size**

**Bad****$35K**

$35K/yr · 11K searches

**Competition**

**Bad****90%**

top-5 click share — a locked-up shelf

**Signals**[** Trending**](https://flapen.com/research/niches?market=us&signal=trending "Search growth > 100% (90d)")

## Trend