---
title: "Reviews — 5/16 fuel filter - Flapen"
canonical_url: "https://flapen.com/research/us/automotive/5-16-fuel-filter/reviews"
last_updated: "2026-08-09T14:16:45.880Z"
locale: en
meta:
  description: "Niche score 59/100 · $85K/yr market · 82K 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 · $85K/yr market · 82K searches/yr. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Reviews — 5/16 fuel filter - Flapen"
---

# **5/16 fuel filter**

**Worth a look**

Shows low returns (1.0%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 21Growth 56Conversion 87Competition 61Returns 95Price range 33Avg price 38Brand share 77Review moat 75Quality gap 53

**Returns**

**Great****1.0%**

return rate — above 5% kills the launch gate

**Conversion**

**Great****9.9%**

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

**Brand share**

**Great****58%**

top-5 brand share — no brand owns this niche

**Review moat**

**Good****517.92**

avg incumbent reviews — the moat a new listing must climb

**Competition**

**Good****48%**

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

**Growth**

**Good****+29.3%**

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

**Quality gap**

**Good****4.4★**

avg incumbent rating — lower means beatable quality

**Avg price**

**Okay****$10.50**

avg listing price — sweet spot $15–$100

**Price range**

**Okay****$6.28–$19.34**

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

**Market size**

**Bad****$85K**

$85K/yr · 82K searches

## Reviews