---
title: "coolant reservoir tank — Niche Verdict: Worth a look (59/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/automotive/coolant-reservoir-tank"
last_updated: "2026-07-10T00:56:40.343Z"
locale: en
meta:
  description: "coolant reservoir tank shows demand growing +239.3%, but a small market ($984K/yr) keeps it on the watch list."
  "og:description": "coolant reservoir tank shows demand growing +239.3%, but a small market ($984K/yr) keeps it on the watch list."
  "og:title": "coolant reservoir tank — Niche Verdict: Worth a look (59/100) | Amazon United States - Flapen"
---

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# **coolant reservoir tank**

**Worth a look****59/100 **

coolant reservoir tank shows demand growing +239.3%, but a small market ($984K/yr) keeps it on the watch list.

**Market/yr**

**$984K**

**Growth (1y)**

**+239.3%**

**Products**

**39**

**Brands**

**17**

was 25 a year ago

**Sellers**

**80**

**Price range**

**$14.00–$57.10**

**Returns**

**3.5%**

**Rating**

**4.5★**

**Worth a look**

Scored 59/100 across market size, growth, competition, quality gap, and returns.

Market sizeGrowthCompetitionQuality gapReturns

Market size

**33**

 ×0.30

Growth

**81**

 ×0.30

Competition

**67**

 ×0.20

Quality gap

**42**

 ×0.10

Returns

**72**

 ×0.10

## **Demand**

Weekly Amazon search volume, last 104 weeks — +239.3% year over year.

21K11KJul '24Nov '24Mar '25Jul '25Nov '25Mar '26

## **Seasonality**

Monthly demand index across the year — 1.00 is average.

JFMAMJJASOND

No pronounced peak months · busiest ÷ quietest = 1.2×

## **Competition**

- EVIL ENERGY40% - Dorman20% - A-Premium7% - YEYETUO6% - RYANSTAR RACING5% - PYHAUTO4% - Other (11 brands)18%

The top 5 products take 44% of clicks — established leaders, but buyers still shop beyond them. 17 brands and 80 sellers compete here.

**Brands**

**17 **▼falling

was 25 a year ago

**Sellers**

**80**

**Top 5 brand share**

**78%**

#ProductBrandPriceRatingReviewsClick shareTrend

1
![EVIL ENERGY Coolant Overflow Tank Aluminum Radiator Tank Reservoir Expansion Tank Universal 1L Black](https://m.media-amazon.com/images/I/51XAA7vEAbL.jpg) [**EVIL ENERGY Coolant Overflow Tank Aluminum Radiator Tank Reservoir Expansion Tank Universal 1L Black**](https://www.amazon.com/dp/B09136PYL5)

EVIL ENERGY$31.734.6★1,09315%—flat

2
![EVIL ENERGY Coolant Overflow Tank Radiator Overflow Bottle 800ml Aluminum Universal Black](https://m.media-amazon.com/images/I/41xSw7K3spL.jpg) [**EVIL ENERGY Coolant Overflow Tank Radiator Overflow Bottle 800ml Aluminum Universal Black**](https://www.amazon.com/dp/B07Y35ZNHM)

EVIL ENERGY$26.004.6★81314%▲rising

3
![Dorman 603-001 Universal Fluid Reservoir with Cap](https://m.media-amazon.com/images/I/21IyEoOLZWL.jpg) [**Dorman 603-001 Universal Fluid Reservoir with Cap**](https://www.amazon.com/dp/B000E35UV2)

Dorman$14.004.5★2,4877%▼falling

4
![RYANSTAR Universal car Radiator Coolant Tank 800ml Coolant Expansion Tank Overflow Oil Catch Tank Cooling Catch Bottle Reservoir Aluminum Billet Black](https://m.media-amazon.com/images/I/41BdGoKQx3L.jpg) [**RYANSTAR Universal car Radiator Coolant Tank 800ml Coolant Expansion Tank Overflow Oil Catch Tank Cooling Catch Bottle Reservoir Aluminum Billet Black**](https://www.amazon.com/dp/B076H3DTBF)

RYANSTAR RACING$19.534.6★8515%▼falling

5
![Coolant Overflow Tank 800ml Aluminum Radiator Overflow Tank Black Coolant Radiator Reservoir for Cars](https://m.media-amazon.com/images/I/41ycpby98kL.jpg) [**Coolant Overflow Tank 800ml Aluminum Radiator Overflow Tank Black Coolant Radiator Reservoir for Cars**](https://www.amazon.com/dp/B0D7H92W6K)

YEYETUO$18.184.6★1324%▲rising

6
![Dorman 54002 Engine Coolant Recovery Kit Universal Fit](https://m.media-amazon.com/images/I/31BEvzIspKL.jpg) [**Dorman 54002 Engine Coolant Recovery Kit Universal Fit**](https://www.amazon.com/dp/B016V2BIB0)

Dorman$20.484.6★1,6394%▼falling

7
![EVIL ENERGY Radiator Coolant Overflow Tank Coolant Recovery Tank 1L Aluminum Universal](https://m.media-amazon.com/images/I/31c0bn-EByL.jpg) [**EVIL ENERGY Radiator Coolant Overflow Tank Coolant Recovery Tank 1L Aluminum Universal**](https://www.amazon.com/dp/B0B4NP6K1X)

EVIL ENERGY$31.534.6★1,0934%▲rising

8
![Coolant Overflow Tank Aluminum Coolant Reservoir Tank 1L Universal Reservoir Expansion Tank Black](https://m.media-amazon.com/images/I/41H+BScGOfL.jpg) [**Coolant Overflow Tank Aluminum Coolant Reservoir Tank 1L Universal Reservoir Expansion Tank Black**](https://www.amazon.com/dp/B0FDG4YN5K)

Cesilili$19.784.7★934%—flat

9
![Dorman 603-383 Pressurized Coolant Reservoir with Cap Compatible with Select Buick / Chevrolet Models](https://m.media-amazon.com/images/I/31fd+agjnnL.jpg) [**Dorman 603-383 Pressurized Coolant Reservoir with Cap Compatible with Select Buick / Chevrolet Models**](https://www.amazon.com/dp/B00NF1QZO6)

Dorman$21.754.7★1,8653%▼falling

10

![FGJQEFG 2 x 10 Inches Universal Radiator Coolant Overflow Puke Tank Bottle Catch Can Polished Stainless Steel with Twist Cap 12 Ounces](https://m.media-amazon.com/images/I/21VWDaD0BML.jpg) [**FGJQEFG 2 x 10 Inches Universal Radiator Coolant Overflow Puke Tank Bottle Catch Can Polished Stainless Steel with Twist Cap 12 Ounces**](https://www.amazon.com/dp/B0B62HKZ68)

FGJQEFG$23.174.5★1913%▲rising

11

![A-Premium Coolant Overflow Recovery Reservoir Tank [W/Sensor & Cap] Compatible with Chevrolet Silverado 1500 2500 3500 Suburban Tahoe & GMC Sierra Yukon & Cadillac Escalade](https://m.media-amazon.com/images/I/412oP03H4HL.jpg) [**A-Premium Coolant Overflow Recovery Reservoir Tank \[W/Sensor & Cap\] Compatible with Chevrolet Silverado 1500 2500 3500 Suburban Tahoe & GMC Sierra Yukon & Cadillac Escalade**](https://www.amazon.com/dp/B07SQPY8FJ)

A-Premium$50.284.6★5582%▼falling

12

![EVIL ENERGY Coolant Overflow Tank Radiator Overflow Bottle 800ml Aluminum Universal Black](https://m.media-amazon.com/images/I/41+VJKM3y-L.jpg) [**EVIL ENERGY Coolant Overflow Tank Radiator Overflow Bottle 800ml Aluminum Universal Black**](https://www.amazon.com/dp/B08BZ8ZQYK)

EVIL ENERGY$32.094.5★8102%▲rising

13

![Engine Coolant Reservoir Tank Coolant Expansion Reservoir Tank with Cap Compatible with Silverado 1500 Tahoe Sierra 1500 Yukon Escalade 2014 2015 2016 2017 2018 2019 2020 Replace# 603-973 22856231](https://m.media-amazon.com/images/I/31N-+GY1q0L.jpg) [**Engine Coolant Reservoir Tank Coolant Expansion Reservoir Tank with Cap Compatible with Silverado 1500 Tahoe Sierra 1500 Yukon Escalade 2014 2015 2016 2017 2018 2019 2020 Replace# 603-973 22856231**](https://www.amazon.com/dp/B0DRVB7YS5)

PYHAUTO$38.864.5★1042%▼falling

14

![PQY Radiator Coolant Overflow Puke Tank Polished Stainless Steel 310](https://m.media-amazon.com/images/I/41mnDnRCm5L.jpg) [**PQY Radiator Coolant Overflow Puke Tank Polished Stainless Steel 310**](https://www.amazon.com/dp/B0816D7QWT)

PQY$24.524.5★4822%—flat

15

![Coolant Overflow Tank Aluminum Coolant Reservoir Tank 1L Black Radiator Reservoir Expansion Tank for Universal Cars](https://m.media-amazon.com/images/I/41CYgmNJwpL.jpg) [**Coolant Overflow Tank Aluminum Coolant Reservoir Tank 1L Black Radiator Reservoir Expansion Tank for Universal Cars**](https://www.amazon.com/dp/B0FCY8V7VT)

YEYETUO$19.184.5★392%—flat

**~~Showing 15 of 39 — show all ~~**

## **Product shelf**

All 39 tracked products in this niche.

Top sellersNewestTrending

[![EVIL ENERGY Coolant Overflow Tank Aluminum Radiator Tank Reservoir Expansion Tank Universal 1L Black](https://m.media-amazon.com/images/I/51XAA7vEAbL.jpg)**EVIL ENERGY Coolant Overflow Tank Aluminum Radiator Tank Reservoir Expansion Tank Universal 1L Black** EVIL ENERGY**$31.73**4.6★1,093 reviews](https://www.amazon.com/dp/B09136PYL5) [![EVIL ENERGY Coolant Overflow Tank Radiator Overflow Bottle 800ml Aluminum Universal Black](https://m.media-amazon.com/images/I/41xSw7K3spL.jpg)**EVIL ENERGY Coolant Overflow Tank Radiator Overflow Bottle 800ml Aluminum Universal Black** EVIL ENERGY**$26.00**4.6★813 reviews](https://www.amazon.com/dp/B07Y35ZNHM) [![Dorman 603-001 Universal Fluid Reservoir with Cap](https://m.media-amazon.com/images/I/21IyEoOLZWL.jpg)**Dorman 603-001 Universal Fluid Reservoir with Cap** Dorman**$14.00**4.5★2,487 reviews](https://www.amazon.com/dp/B000E35UV2) [![RYANSTAR Universal car Radiator Coolant Tank 800ml Coolant Expansion Tank Overflow Oil Catch Tank Cooling Catch Bottle Reservoir Aluminum Billet Black](https://m.media-amazon.com/images/I/41BdGoKQx3L.jpg)**RYANSTAR Universal car Radiator Coolant Tank 800ml Coolant Expansion Tank Overflow Oil Catch Tank Cooling Catch Bottle Reservoir Aluminum Billet Black** RYANSTAR RACING**$19.53**4.6★851 reviews](https://www.amazon.com/dp/B076H3DTBF) [![Coolant Overflow Tank 800ml Aluminum Radiator Overflow Tank Black Coolant Radiator Reservoir for Cars](https://m.media-amazon.com/images/I/41ycpby98kL.jpg)**Coolant Overflow Tank 800ml Aluminum Radiator Overflow Tank Black Coolant Radiator Reservoir for Cars** YEYETUO**$18.18**4.6★132 reviews](https://www.amazon.com/dp/B0D7H92W6K) [![Dorman 54002 Engine Coolant Recovery Kit Universal Fit](https://m.media-amazon.com/images/I/31BEvzIspKL.jpg)**Dorman 54002 Engine Coolant Recovery Kit Universal Fit** Dorman**$20.48**4.6★1,639 reviews](https://www.amazon.com/dp/B016V2BIB0) [![EVIL ENERGY Radiator Coolant Overflow Tank Coolant Recovery Tank 1L Aluminum Universal](https://m.media-amazon.com/images/I/31c0bn-EByL.jpg)**EVIL ENERGY Radiator Coolant Overflow Tank Coolant Recovery Tank 1L Aluminum Universal** EVIL ENERGY**$31.53**4.6★1,093 reviews](https://www.amazon.com/dp/B0B4NP6K1X) [![Coolant Overflow Tank Aluminum Coolant Reservoir Tank 1L Universal Reservoir Expansion Tank Black](https://m.media-amazon.com/images/I/41H+BScGOfL.jpg)**Coolant Overflow Tank Aluminum Coolant Reservoir Tank 1L Universal Reservoir Expansion Tank Black** Cesilili**$19.78**4.7★93 reviews](https://www.amazon.com/dp/B0FDG4YN5K)

## **Reviews**

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

### **What buyers love **

**Quality-Overall**19%

*“Amazing craftsmanship”*

**Size-Overall**16%

*“Direct fit”*

**Assembly/Installation**13%

*“Good kit for installing”*

**Value For Money**10%

*“Worth the money”*

**Advertised Vs Actual Product**6%

*“As advertised”*

**Coolant**6%

*“Nice coolant recovery tank”*

**Efficiency**5%

*“Works well”*

**Material Quality**4%

*“Material firme”*

**Leak-Proof**3%

*“Great value, doesn't leak,”*

**Design-Overall**3%

*“design was very good”*

### **What buyers complain about **

**Leak-Proof**17%

*“Leaked”*

**Quality-Overall**11%

*“poor quality control”*

**Mounting**11%

*“Did not mount”*

**Size-Overall**8%

*“Does not fit like said”*

**Durability**7%

*“Does not last”*

**Compatibility-Overall**4%

*“Did not fit my application”*

**Paint Quality**3%

*“It may have said silver paint that I overlooked in the details”*

**Coolant**3%

*“the seal leaked coolant immediately”*

**Defective Material/Parts**3%

*“Defective from manufacturer”*

**Sensor**1%

*“Level sensor doesnt reach pins - connects just fine on previous well that is exact same length”*

#### **Top return reasons**- Coolant33% - Size-Overall28% - Compatibility-Overall8% - Defective Material/Parts6% - Leak-Proof5% - Advertised Vs Actual Product3% - Mounting3% - Assembly/Installation2% - Functionality-Overall2% - Value For Money1%