---
title: "Reviews — coolant reservoir tank - Flapen"
canonical_url: "https://flapen.com/research/us/automotive/coolant-reservoir-tank/reviews"
last_updated: "2026-08-10T22:55:13.808Z"
locale: en
meta:
  description: "Niche score 56/100 · $984K/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 56/100 · $984K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Reviews — coolant reservoir tank - Flapen"
---

# **coolant reservoir tank**

**Worth a look**

Shows a sweet-spot price point ($28.54 avg), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 77Growth 22Conversion 45Competition 68Returns 44Price range 93Avg price 95Brand share 46Review moat 74Quality gap 45

**Avg price**

**Incredible****$28.54**

avg listing price — sweet spot $15–$100

**Price range**

**Great****$14.00–$57.10**

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

**Market size**

**Great****$984K**

$984K/yr · 957K searches

**Review moat**

**Good****525.21**

avg incumbent reviews — the moat a new listing must climb

**Competition**

**Good****44%**

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

**Brand share**

**Okay****78%**

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

**Conversion**

**Okay****3.6%**

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

**Quality gap**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Returns**

**Okay****3.5%**

return rate — above 5% kills the launch gate

**Growth**

**Bad****-6.2%**

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

## Reviews