---
title: "Products — dot 4 brake fluid - Flapen"
canonical_url: "https://flapen.com/research/us/automotive/dot-4-brake-fluid/products"
last_updated: "2026-08-10T19:19:59.830Z"
locale: en
meta:
  description: "Niche score 51/100 · $563K/yr market · 314K searches/yr · $15.96 avg price. Strong incumbent ratings (4.8★) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 51/100 · $563K/yr market · 314K searches/yr · $15.96 avg price. Strong incumbent ratings (4.8★) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Products — dot 4 brake fluid - Flapen"
---

# **dot 4 brake fluid**

**Worth a look**

Shows searches that convert (11.2% search→purchase), but strong incumbent ratings (4.8★) keeps it on the watch list.

Market size 63Growth 48Conversion 92Competition 14Returns 91Price range 69Avg price 77Brand share 27Review moat 50Quality gap 12

**Conversion**

**Great****11.2%**

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

**Returns**

**Great****1.2%**

return rate — above 5% kills the launch gate

**Avg price**

**Great****$15.96**

avg listing price — sweet spot $15–$100

**Price range**

**Good****$5.68–$36.05**

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

**Market size**

**Good****$563K**

$563K/yr · 314K searches

**Review moat**

**Okay****1,504.45**

avg incumbent reviews — the moat a new listing must climb

**Growth**

**Okay****+18.7%**

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

**Brand share**

**Okay****89%**

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

**Competition**

**Bad****84%**

top-5 click share — a locked-up shelf

**Quality gap**

**Bad****4.8★**

avg incumbent rating — lower means beatable quality

## Products