---
title: "coolant funnel kit — Niche Verdict: Skip it (47/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/automotive/coolant-funnel-kit"
last_updated: "2026-07-14T00:01:33.952Z"
locale: en
meta:
  description: "a concentrated shelf (top 5 take 81% of clicks) — coolant funnel kit doesn't clear our bar today."
  "og:description": "a concentrated shelf (top 5 take 81% of clicks) — coolant funnel kit doesn't clear our bar today."
  "og:title": "coolant funnel kit — Niche Verdict: Skip it (47/100) | Amazon United States - Flapen"
---

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# **coolant funnel kit**

**Skip it**

A concentrated shelf (top 5 take 81% of clicks) — this niche doesn't clear our bar today.

Market size 71Growth 22Conversion 82Competition 16Returns 51Price range 95Avg price 86Brand share 28Review moat 30Quality gap 40

**Price range**

**Incredible****$17.06–$23.37**

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

**Avg price**

**Great****$19.56**

avg listing price — sweet spot $15–$100

**Conversion**

**Great****8.7%**

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

**Market size**

**Good****$754K**

$754K/yr · 443K searches

**Returns**

**Good****2.9%**

return rate — above 6% kills the launch gate

**Quality gap**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Review moat**

**Okay****3,528.45**

avg incumbent reviews — the moat a new listing must climb

**Brand share**

**Okay****88%**

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

**Growth**

**Bad****-5.4%**

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

**Competition**

**Bad****81%**

top-5 click share — a locked-up shelf

## **Competition**

The top 5 products capture 81% of clicks — a locked-up shelf that new listings rarely crack.

**Brands**

**9 **▲rising

**Sellers**

**18**

**Top-5 brand share**

**88%**

**Open market**

**8%**

- EPAuto41% - SEDY17% - OEMTOOLS16% - ELEAD9% - Orion Motor Tech5% - SWANLAKE GARDEN TOOLS3% - Open — no brand owns it (3 brands, 8%)

## **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%$113K30%$226K45%$339K60%$452K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

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

All 11 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![EPAuto Spill Proof Radiator Coolant Filling Funnel Kit](https://m.media-amazon.com/images/I/41CBwpgO1XL.jpg)**EPAuto Spill Proof Radiator Coolant Filling Funnel Kit**EPAuto**$21.82**4.7★20,365 rev](https://www.amazon.com/dp/B01I40ZQWE) [2![OEMTOOLS No-Spill Coolant Funnel Kit 15 Piece Fluid and Oil Funnel Set Allows Access To Hard-To-Reach Radiators](https://m.media-amazon.com/images/I/41s2cClKF8L.jpg)**OEMTOOLS No-Spill Coolant Funnel Kit 15 Piece Fluid and Oil Funnel Set Allows Access To Hard-To-Reach Radiators**OEMTOOLS**$21.96**4.6★8,819 rev](https://www.amazon.com/dp/B01A2CQSU6) [3![Ultimate No Spill Coolant Funnel Kit - 19-Piece Spill-Free Radiator Funnel Set Spill Proof Radiator Bleeder Kit Coolant Filling Radiator Filler Extra Funnels and Adapters for Universal Vehicle](https://m.media-amazon.com/images/I/51wug8bhs+L.jpg)**Ultimate No Spill Coolant Funnel Kit - 19-Piece Spill-Free Radiator Funnel Set Spill Proof Radiator Bleeder Kit Coolant Filling Radiator Filler Extra Funnels and Adapters for Universal Vehicle**SEDY**$17.54**4.4★2,025 rev](https://www.amazon.com/dp/B089YHW5HR) [4![22-Piece No-Spill Coolant Filling Funnel Kit and Siphon Hose Pump Radiator Coolant Filling Spill-Proof Funnel Kit with Adapters Extensions PVC Hose Engine Oil Funnels Towel for Universal Vehicle](https://m.media-amazon.com/images/I/513R7I+TPLL.jpg)**22-Piece No-Spill Coolant Filling Funnel Kit and Siphon Hose Pump Radiator Coolant Filling Spill-Proof Funnel Kit with Adapters Extensions PVC Hose Engine Oil Funnels Towel for Universal Vehicle**SEDY**$23.37**4.4★419 rev](https://www.amazon.com/dp/B0DX5WXRKS) [5![ELEAD No-Spill Coolant Funnel Kit - 19-Piece Radiator Funnel burping kit coolant Bleeder kit Extra Funnels and Adapters for Universal Vehicle](https://m.media-amazon.com/images/I/51bu35eRwvL.jpg)**ELEAD No-Spill Coolant Funnel Kit - 19-Piece Radiator Funnel burping kit coolant Bleeder kit Extra Funnels and Adapters for Universal Vehicle**ELEAD**$17.06**4.5★1,006 rev](https://www.amazon.com/dp/B0BJDJG289)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![20-Piece No-Spill Coolant Funnel Kit Cooling System Funnels Kits Spill Proof Funnel Bleeder Radiator Funnels Kit with Adapters Extensions Flexible Hose Circular-Funnel Towel for Automotive Use](https://m.media-amazon.com/images/I/51VcwBvvWzL.jpg)**20-Piece No-Spill Coolant Funnel Kit Cooling System Funnels Kits Spill Proof Funnel Bleeder Radiator Funnels Kit with Adapters Extensions Flexible Hose Circular-Funnel Towel for Automotive Use**ELEAD**$20.74**52 rev5mo ago](https://www.amazon.com/dp/B0FW4V7FLR) [![Orion Motor Tech No Spill Coolant Funnel Kit 17 Piece Coolant Bleeder Kit](https://m.media-amazon.com/images/I/41rloRl3JFL.jpg)**Orion Motor Tech No Spill Coolant Funnel Kit 17 Piece Coolant Bleeder Kit**Orion Motor Tech**$17.34**171 rev7mo ago](https://www.amazon.com/dp/B0FLY184K2) [![22-Piece No-Spill Coolant Filling Funnel Kit and Siphon Hose Pump Radiator Coolant Filling Spill-Proof Funnel Kit with Adapters Extensions PVC Hose Engine Oil Funnels Towel for Universal Vehicle](https://m.media-amazon.com/images/I/513R7I+TPLL.jpg)**22-Piece No-Spill Coolant Filling Funnel Kit and Siphon Hose Pump Radiator Coolant Filling Spill-Proof Funnel Kit with Adapters Extensions PVC Hose Engine Oil Funnels Towel for Universal Vehicle**SEDY**$23.37**419 rev1y ago](https://www.amazon.com/dp/B0DX5WXRKS) [![2026 Upgraded Coolant Bleeder Funnel Kit Radiator Burping Funnel](https://m.media-amazon.com/images/I/51BtQfjY0SL.jpg)**2026 Upgraded Coolant Bleeder Funnel Kit Radiator Burping Funnel**SMART JERRY**$20.78**502 rev1y ago](https://www.amazon.com/dp/B0DB8FBVMM) [![ELEAD No-Spill Coolant Funnel Kit - 19-Piece Radiator Funnel burping kit coolant Bleeder kit Extra Funnels and Adapters for Universal Vehicle](https://m.media-amazon.com/images/I/51bu35eRwvL.jpg)**ELEAD No-Spill Coolant Funnel Kit - 19-Piece Radiator Funnel burping kit coolant Bleeder kit Extra Funnels and Adapters for Universal Vehicle**ELEAD**$17.06**1,006 rev3y ago](https://www.amazon.com/dp/B0BJDJG289)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![20-Piece No-Spill Coolant Funnel Kit Cooling System Funnels Kits Spill Proof Funnel Bleeder Radiator Funnels Kit with Adapters Extensions Flexible Hose Circular-Funnel Towel for Automotive Use](https://m.media-amazon.com/images/I/51VcwBvvWzL.jpg)**20-Piece No-Spill Coolant Funnel Kit Cooling System Funnels Kits Spill Proof Funnel Bleeder Radiator Funnels Kit with Adapters Extensions Flexible Hose Circular-Funnel Towel for Automotive Use**ELEAD**$20.74**4.4★**▲ 157%**](https://www.amazon.com/dp/B0FW4V7FLR) [![Orion Motor Tech No Spill Coolant Funnel Kit 17 Piece Coolant Bleeder Kit](https://m.media-amazon.com/images/I/41rloRl3JFL.jpg)**Orion Motor Tech No Spill Coolant Funnel Kit 17 Piece Coolant Bleeder Kit**Orion Motor Tech**$17.34**4.4★**▲ 64%**](https://www.amazon.com/dp/B0FLY184K2) [![EPAuto Spill Proof Radiator Coolant Filling Funnel Kit](https://m.media-amazon.com/images/I/41CBwpgO1XL.jpg)**EPAuto Spill Proof Radiator Coolant Filling Funnel Kit**EPAuto**$21.82**4.7★**▲ 17%**](https://www.amazon.com/dp/B01I40ZQWE) [![HORUSDY No-Spill Coolant Funnel Kit Spill Proof Funnel Bleeder with Adapters. Universal Fitment](https://m.media-amazon.com/images/I/41Z+uLidkIL.jpg)**HORUSDY No-Spill Coolant Funnel Kit Spill Proof Funnel Bleeder with Adapters. Universal Fitment**HORUSDY**$17.35**4.5★**▲ 10%**](https://www.amazon.com/dp/B09XT1X5GQ) [![Thorstone No-Spill Coolant Funnel Kit 16-Piece Universal Spill-Free Radiator Coolant Filling Funnel with Adapters](https://m.media-amazon.com/images/I/41QRGq2spYL.jpg)**Thorstone No-Spill Coolant Funnel Kit 16-Piece Universal Spill-Free Radiator Coolant Filling Funnel with Adapters**Thorstone**$17.92**4.6★**— 6%**](https://www.amazon.com/dp/B097BHJJPS)

**~~View all trending →~~**

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — -5.4% search growth over the last 90 days.

15K10KHoliday '24Prime Day '25Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay

Peak months: Jan, May · busiest ÷ quietest = 1.7×

## **Reviews**

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

### **What buyers love **

**Quality-Overall**19%

*“nice quality set”*

**Ease Of Use**11%

*“Pretty handy”*

**Leak-Proof**10%

*“Did not leak”*

**Coolant**9%

*“worked well for my coolant change”*

**Value For Money**9%

*“Great Value”*

**Efficiency**8%

*“Does it's job”*

**Advertised Vs Actual Product**6%

*“As advertised”*

**Size-Overall**5%

*“Fits securely”*

**Ease Of Cleaning**3%

*“No messes”*

**Maintenance And Repair**2%

*“Great products to have for vehicle repairs”*

### **What buyers complain about **

**Compatibility-Overall**21%

*“Pieces are not compatible”*

**Leak-Proof**19%

*“It leaks”*

**Size-Overall**11%

*“Not large enough”*

**Quality-Overall**10%

*“Quality is pretty low”*

**Coolant**5%

*“coolant was drain”*

**Functionality-Overall**3%

*“The functionality is extremely poor”*

**Instructions/User Manual/Troubleshooting**2%

*“Instructions are useless”*

**Material Quality**2%

*“Very poor material”*

**Value For Money**2%

*“just a little too expensive”*

**Ease Of Use**1%

*“Cant use it”*

### **Top return reasons **

**Size-Overall**26%

**Compatibility-Overall**19%

**Coolant**15%

**Leak-Proof**8%

**Defective Material/Parts**8%

**Functionality-Overall**4%

**Value For Money**4%

**Advertised Vs Actual Product**4%

**Add-Ons/Attachments**3%

**Quality-Overall**1%