---
title: "coolant filter — Niche Verdict: Skip it (44/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/automotive/coolant-filter"
last_updated: "2026-07-13T21:41:22.734Z"
locale: en
meta:
  description: "soft demand (-36.0% this quarter) — coolant filter doesn't clear our bar today."
  "og:description": "soft demand (-36.0% this quarter) — coolant filter doesn't clear our bar today."
  "og:title": "coolant filter — Niche Verdict: Skip it (44/100) | Amazon United States - Flapen"
---

Back to Flapen home

# **coolant filter**

**Skip it**

Soft demand (-36.0% this quarter) — this niche doesn't clear our bar today.

Market size 29Growth 7Conversion 59Competition 26Returns 81Price range 55Avg price 91Brand share 26Review moat 86Quality gap 62

**Avg price**

**Great****$55.86**

avg listing price — sweet spot $15–$100

**Review moat**

**Great****284.15**

avg incumbent reviews — the moat a new listing must climb

**Returns**

**Great****1.7%**

return rate — above 6% kills the launch gate

**Quality gap**

**Good****4.4★**

avg incumbent rating — lower means beatable quality

**Conversion**

**Good****5.1%**

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

**Price range**

**Good****$10.70–$164.32**

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

**Market size**

**Okay****$129K**

$129K/yr · 45K searches

**Competition**

**Okay****69%**

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

**Brand share**

**Okay****90%**

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

**Growth**

**Bad****-36.0%**

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

## **Competition**

The top 5 products take 69% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**8 **▼falling

**Sellers**

**82**

**Top-5 brand share**

**90%**

**Open market**

**5%**

- Wix41% - WIKIBB19% - GJYSYP11% - BANGTE10% - Mishimoto9% - Auto Parts Prodigy5% - Open — no brand owns it (2 brands, 5%)

## **Product shelf**

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%15%$19K30%$39K45%$58K60%$77K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 13 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![WIX Filters - 24070 Heavy Duty Coolant Spin-On Filter Pack of 1](https://m.media-amazon.com/images/I/41FI-WSFWXL.jpg)**WIX Filters - 24070 Heavy Duty Coolant Spin-On Filter Pack of 1**Wix**$14.86**4.8★2,058 rev](https://www.amazon.com/dp/B000CSD29Q) [2![GJYSYP 5/8 in. Inline Coolant Filter Universal Filter and Inspection System Stainless Steel Screen For Pipe Bore 0.62 in.](https://m.media-amazon.com/images/I/317zYDr+hoL.jpg)**GJYSYP 5/8 in. Inline Coolant Filter Universal Filter and Inspection System Stainless Steel Screen For Pipe Bore 0.62 in.**GJYSYP**$38.82**4.4★39 rev](https://www.amazon.com/dp/B0F5F1SQP3) [3![WIKIBB 1-1/2 Universal Filter Inline Heater Core Coolant Filter and Inspection System Stainless Steel Filter Mesh Matching Fixture](https://m.media-amazon.com/images/I/412Jd7K6Q8L.jpg)**WIKIBB 1-1/2 Universal Filter Inline Heater Core Coolant Filter and Inspection System Stainless Steel Filter Mesh Matching Fixture**WIKIBB**$41.80**3.6★114 rev](https://www.amazon.com/dp/B0D1BZW5MC) [4![BANGTE WF2071 Coolant Filter Spin-On with Filter Base Compatible with Freightliner International Peterbilt model Cummins ISL ISC ISB ISX Caterpillar C16 C15 C13 C12 Engine](https://m.media-amazon.com/images/I/21qcM9fxSEL.jpg)**BANGTE WF2071 Coolant Filter Spin-On with Filter Base Compatible with Freightliner International Peterbilt model Cummins ISL ISC ISB ISX Caterpillar C16 C15 C13 C12 Engine**BANGTE**$31.50**4.8★10 rev](https://www.amazon.com/dp/B0CXRLWJWL) [5![Mishimoto MMCFK-F2D-03BL Coolant Filter Kit Fits Ford 6.0L Powerstroke 2003-2007 Blue](https://m.media-amazon.com/images/I/3195+Kt9ruL.jpg)**Mishimoto MMCFK-F2D-03BL Coolant Filter Kit Fits Ford 6.0L Powerstroke 2003-2007 Blue**Mishimoto**$164.32**4.6★585 rev](https://www.amazon.com/dp/B00V5R21P4)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![WIKIBB 5/8 Universal Filter Inline Heater Core Coolant Filter Red](https://m.media-amazon.com/images/I/41UUEsqEL6L.jpg)**WIKIBB 5/8 Universal Filter Inline Heater Core Coolant Filter Red**WIKIBB**$35.67**5 rev5mo ago](https://www.amazon.com/dp/B0GJD4RNBG) [![WIKIBB 1-1/2 Universal Filter Inline Heater Core Coolant Filter Red](https://m.media-amazon.com/images/I/419f4CuWJ7L.jpg)**WIKIBB 1-1/2 Universal Filter Inline Heater Core Coolant Filter Red**WIKIBB**$42.99**4 rev5mo ago](https://www.amazon.com/dp/B0GJCXRQD4) [![ZXTQWX Applicable to 24070 Coolant Spin-On Filter](https://m.media-amazon.com/images/I/31aFXvBAS0L.jpg)**ZXTQWX Applicable to 24070 Coolant Spin-On Filter**ZXTQWX**$10.70**2 rev10mo ago](https://www.amazon.com/dp/B0FNR5JWRW) [![GJYSYP 5/8 in. Inline Coolant Filter Universal Filter and Inspection System Stainless Steel Screen For Pipe Bore 0.62 in.](https://m.media-amazon.com/images/I/317zYDr+hoL.jpg)**GJYSYP 5/8 in. Inline Coolant Filter Universal Filter and Inspection System Stainless Steel Screen For Pipe Bore 0.62 in.**GJYSYP**$38.82**39 rev1y ago](https://www.amazon.com/dp/B0F5F1SQP3) [![BANGTE WF2077 Coolant filter with base Compatible with Cummins Engine B6.7 ISL9 Replace Donaldson P554685 Fleetguard WF2077 John Deere RE11992](https://m.media-amazon.com/images/I/31c05rhwAQL.jpg)**BANGTE WF2077 Coolant filter with base Compatible with Cummins Engine B6.7 ISL9 Replace Donaldson P554685 Fleetguard WF2077 John Deere RE11992**BANGTE**$32.94**4 rev1y ago](https://www.amazon.com/dp/B0DMTS2PPY)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![WIKIBB 5/8 Universal Filter Inline Heater Core Coolant Filter Red](https://m.media-amazon.com/images/I/41UUEsqEL6L.jpg)**WIKIBB 5/8 Universal Filter Inline Heater Core Coolant Filter Red**WIKIBB**$35.67**4.8★**▲ 273%**](https://www.amazon.com/dp/B0GJD4RNBG) [![WIKIBB 1-1/2 Universal Filter Inline Heater Core Coolant Filter Red](https://m.media-amazon.com/images/I/419f4CuWJ7L.jpg)**WIKIBB 1-1/2 Universal Filter Inline Heater Core Coolant Filter Red**WIKIBB**$42.99**4.2★**▲ 254%**](https://www.amazon.com/dp/B0GJCXRQD4) [![ZXTQWX Applicable to 24070 Coolant Spin-On Filter](https://m.media-amazon.com/images/I/31aFXvBAS0L.jpg)**ZXTQWX Applicable to 24070 Coolant Spin-On Filter**ZXTQWX**$10.70**4.5★**▲ 123%**](https://www.amazon.com/dp/B0FNR5JWRW) [![Mishimoto MMCFK-F2D-03BK Coolant Filter Kit Fits Ford 6.0L Powerstroke 2003-2007 Black](https://m.media-amazon.com/images/I/31Jyxl7NELL.jpg)**Mishimoto MMCFK-F2D-03BK Coolant Filter Kit Fits Ford 6.0L Powerstroke 2003-2007 Black**Mishimoto**$159.37**4.6★**▲ 99%**](https://www.amazon.com/dp/B00V5R21KO) [![Donaldson P554685 Coolant Filter](https://m.media-amazon.com/images/I/31z46AUehRL.jpg)**Donaldson P554685 Coolant Filter**Donaldson**$18.23**4.6★**▲ 31%**](https://www.amazon.com/dp/B01F4US6NI)

**~~View all trending →~~**

## **Demand**

Weekly Amazon search volume, last 14 weeks — -36.0% search growth over the last 90 days.

800600Spike '26Apr '26Apr '26May '26May '26May '26Jun '26Jun '26

## **Reviews**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Filtration**13%

*“Great filter”*

**Quality-Overall**12%

*“decent quality”*

**Efficiency**9%

*“works well”*

**Assembly/Installation**9%

*“Easy to install”*

**Ease Of Cleaning**7%

*“Easy to clean”*

**Advertised Vs Actual Product**6%

*“Works as expected”*

**Value For Money**5%

*“Great Value for money”*

**Design-Overall**5%

*“But I liked the way it was made”*

**Coolant**5%

*“Great for aftermarket coolant filtering setup on my 2004 f250”*

**Leak-Proof**4%

*“No leaks”*

### **What buyers complain about **

**Leak-Proof**25%

*“it keeps leaking even after I have tightened it up a couple times”*

**Pressure**14%

*“Not for low pressure systems”*

**Quality-Overall**12%

*“same thing poor quality fitting”*

**Rusts/Corrodes**4%

*“The first thing I noticed was how rusty”*

**Heating**4%

*“My heater core kept plugging up”*

**Coolant**4%

*“dirty the cooling system was”*

**Instructions/User Manual/Troubleshooting**4%

*“The kit does not come with instructions”*

**Filtration**4%

*“Doesnt include a filter”*

**Jamming/Clogging**2%

*“Ive had iasues with my heater core clogging so this is inline to my heater core”*

**Value For Money**2%

*“Waste of time and money”*

### **Top return reasons **

**Size-Overall**22%

**Filtration**19%

**Coolant**15%

**Compatibility-Overall**9%

**Leak-Proof**8%

**Advertised Vs Actual Product**6%

**Defective Material/Parts**5%

**Value For Money**3%

**Ease Of Use**2%

**Functionality-Overall**2%