---
title: "Trend — magnetic diesel additive holder - Flapen"
canonical_url: "https://flapen.com/research/us/automotive/magnetic-diesel-additive-holder/trend"
last_updated: "2026-08-10T15:58:58.133Z"
locale: en
meta:
  description: "Niche score 51/100 · $88K/yr market · 65K searches/yr · $29.00 avg price. Soft demand (-38.4% this quarter) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 51/100 · $88K/yr market · 65K searches/yr · $29.00 avg price. Soft demand (-38.4% this quarter) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Trend — magnetic diesel additive holder - Flapen"
---

# **magnetic diesel additive holder**

**Worth a look**

Shows a thin review moat (24 avg reviews), but soft demand (-38.4% this quarter) keeps it on the watch list.

Market size 22Growth 6Conversion 55Competition 41Returns 83Price range 95Avg price 95Brand share 38Review moat 99Quality gap 86

**Review moat**

**Incredible****23.63**

avg incumbent reviews — the moat a new listing must climb

**Avg price**

**Incredible****$29.00**

avg listing price — sweet spot $15–$100

**Price range**

**Incredible****$18.44–$38.34**

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

**Quality gap**

**Great****4.1★**

avg incumbent rating — lower means beatable quality

**Returns**

**Great****1.6%**

return rate — above 5% kills the launch gate

**Conversion**

**Good****4.6%**

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

**Competition**

**Okay****60%**

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

**Brand share**

**Okay****82%**

top-5 brand share — brands hold most of the demand

**Market size**

**Bad****$88K**

$88K/yr · 65K searches

**Growth**

**Bad****-38.4%**

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

**Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500")

## Trend