---
title: "seafoam high mileage — Niche Verdict: Skip it (52/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/automotive/seafoam-high-mileage"
last_updated: "2026-07-09T23:03:56.502Z"
locale: en
meta:
  description: "strong incumbent ratings (4.7★) — seafoam high mileage doesn't clear our bar today."
  "og:description": "strong incumbent ratings (4.7★) — seafoam high mileage doesn't clear our bar today."
  "og:title": "seafoam high mileage — Niche Verdict: Skip it (52/100) | Amazon United States - Flapen"
---

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# **seafoam high mileage**

**Skip it****52/100 **

strong incumbent ratings (4.7★) — seafoam high mileage doesn't clear our bar today.

**Market/yr**

**$1.7M**

**Growth (1y)**

**+112.1%**

**Products**

**16**

**Brands**

**4**

was 4 a year ago

**Sellers**

**143**

**Price range**

**$9.59–$102.33**

**Returns**

**0.2%**

**Rating**

**4.7★**

**Skip it**

Scored 52/100 across market size, growth, competition, quality gap, and returns.

Market sizeGrowthCompetitionQuality gapReturns

Market size

**45**

 ×0.30

Growth

**66**

 ×0.30

Competition

**36**

 ×0.20

Quality gap

**20**

 ×0.10

Returns

**98**

 ×0.10

## **Demand**

Weekly Amazon search volume, last 36 weeks — +112.1% year over year.

20K10KSpike '26Nov '25Dec '25Jan '26Mar '26Apr '26May '26

## **Competition**

- Sea Foam65% - Kanu Surf25% - STA-BIL7% - ColorRite4%

The top 5 products take 66% of clicks — established leaders, but buyers still shop beyond them. 4 brands and 143 sellers compete here.

**Brands**

**4 **—flat

was 4 a year ago

**Sellers**

**143**

**Top 5 brand share**

**100%**

#ProductBrandPriceRatingReviewsClick shareTrend

1
![Sea Foam Motor Treatment | Fuel System Cleaner Fuel Stabilizer & Oil Treatment | Gas & Diesel Additive for Cars & Trucks | 16 oz Pack of 3](https://m.media-amazon.com/images/I/51P9WNOTMJL.jpg) [**Sea Foam Motor Treatment | Fuel System Cleaner Fuel Stabilizer & Oil Treatment | Gas & Diesel Additive for Cars & Trucks | 16 oz Pack of 3**](https://www.amazon.com/dp/B07CL5Q89T)

Sea Foam$30.074.8★8,37035%▼falling

2
![Sea Foam Motor Treatment | Fuel System Cleaner Fuel Stabilizer & Oil Treatment | Gas & Diesel Additive for Cars & Trucks | 16 oz Pack of 4](https://m.media-amazon.com/images/I/51ypwKk1-EL.jpg) [**Sea Foam Motor Treatment | Fuel System Cleaner Fuel Stabilizer & Oil Treatment | Gas & Diesel Additive for Cars & Trucks | 16 oz Pack of 4**](https://www.amazon.com/dp/B07DHHSQXP)

Sea Foam$37.054.8★8,37010%▼falling

3
![Seafoam Swim Trunks](https://m.media-amazon.com/images/I/515-kXqQurL.jpg) [**Seafoam Swim Trunks**](https://www.amazon.com/dp/B08PZHDZGL)

Kanu Surf$12.574.7★6,60710%▲rising

4
![Sea Foam SF-16 Motor Treatment - 16 oz White (Pack of 2)](https://m.media-amazon.com/images/I/51gSGIHsPrL.jpg) [**Sea Foam SF-16 Motor Treatment - 16 oz White (Pack of 2)**](https://www.amazon.com/dp/B0CRSPVFK4)

Sea Foam$26.785.0★466%▲rising

5
![Seafoam Swim Trunks](https://m.media-amazon.com/images/I/51tfkaRL9pS.jpg) [**Seafoam Swim Trunks**](https://www.amazon.com/dp/B08PZF62TB)

Kanu Surf$13.914.7★6,6075%▲rising

6
![STA-BIL 360 Marine Fuel System Treatment 32 oz](https://m.media-amazon.com/images/I/4148vEsX+cL.jpg) [**STA-BIL 360 Marine Fuel System Treatment 32 oz**](https://www.amazon.com/dp/B001CAW2DK)

STA-BIL$22.254.8★8,0434%▲rising

7
![Sea Foam Motor Treatment and Intake Cleaner Combo Pack SF-SS 16 oz and 14 oz](https://m.media-amazon.com/images/I/51NNYdOO9uL.jpg) [**Sea Foam Motor Treatment and Intake Cleaner Combo Pack SF-SS 16 oz and 14 oz**](https://www.amazon.com/dp/B07YZT2DNW)

Sea Foam$25.754.6★4564%▼falling

8
![Seafoam SF-16-12 Motor Treatment for Gas Applications Case of 12 16oz Bottle](https://m.media-amazon.com/images/I/5191XOodyIL.jpg) [**Seafoam SF-16-12 Motor Treatment for Gas Applications Case of 12 16oz Bottle**](https://www.amazon.com/dp/B0BDGRBYRB)

ColorRite$102.334.8★974%▼falling

9
![SEA FOAM SPRAY CLNR 12OZ](https://m.media-amazon.com/images/I/51+08zj4R+L.jpg) [**SEA FOAM SPRAY CLNR 12OZ**](https://www.amazon.com/dp/B00QTP2ZXA)

Sea Foam$24.414.5★1533%—flat

10

![Sea Foam SF-16 Motor Treatment 4-PACK 16 oz. Cans](https://m.media-amazon.com/images/I/41Mo3a14CNL.jpg) [**Sea Foam SF-16 Motor Treatment 4-PACK 16 oz. Cans**](https://www.amazon.com/dp/B07CL5Q4KR)

Sea Foam$37.344.8★1973%▼falling

11

![Sea Foam High Mileage Motor Treatment Gas & Oil Additive HM16 16 oz Pack of 4](https://m.media-amazon.com/images/I/51tsJoC7PeL.jpg) [**Sea Foam High Mileage Motor Treatment Gas & Oil Additive HM16 16 oz Pack of 4**](https://www.amazon.com/dp/B0F9FTBJXS)

Sea Foam$53.764.7★2,3473%▼falling

12

![Seafoam Halter Bikini](https://m.media-amazon.com/images/I/41texlTDmaL.jpg) [**Seafoam Halter Bikini**](https://www.amazon.com/dp/B08RQFYVQR)

Kanu Surf$16.004.6★6,7103%▲rising

13

![Seafoam Halter Bikini](https://m.media-amazon.com/images/I/41J8Vg5mkXL.jpg) [**Seafoam Halter Bikini**](https://www.amazon.com/dp/B08RQX29SS)

Kanu Surf$16.104.6★6,7103%▲rising

14

![STA-BIL Fast Fix Small Engine Treatment 8 oz Treats 20 Gallons Fixes Rough Running Engines Carburetor & Fuel Injector Cleaner Removes Water For Lawn Mowers & Small Engines](https://m.media-amazon.com/images/I/41-ywGLYSxL.jpg) [**STA-BIL Fast Fix Small Engine Treatment 8 oz Treats 20 Gallons Fixes Rough Running Engines Carburetor & Fuel Injector Cleaner Removes Water For Lawn Mowers & Small Engines**](https://www.amazon.com/dp/B00NEG3K5O)

STA-BIL$9.594.6★6,7373%▼falling

15

![Seafoam Swim Trunks](https://m.media-amazon.com/images/I/51tfkaRL9pS.jpg) [**Seafoam Swim Trunks**](https://www.amazon.com/dp/B08PZGWH15)

Kanu Surf$11.204.7★6,6072%▲rising

**~~Showing 15 of 16 — show all ~~**

## **Product shelf**

All 16 tracked products in this niche.

Top sellersNewestTrending

[![Sea Foam Motor Treatment | Fuel System Cleaner Fuel Stabilizer & Oil Treatment | Gas & Diesel Additive for Cars & Trucks | 16 oz Pack of 3](https://m.media-amazon.com/images/I/51P9WNOTMJL.jpg)**Sea Foam Motor Treatment | Fuel System Cleaner Fuel Stabilizer & Oil Treatment | Gas & Diesel Additive for Cars & Trucks | 16 oz Pack of 3** Sea Foam**$30.07**4.8★8,370 reviews](https://www.amazon.com/dp/B07CL5Q89T) [![Sea Foam Motor Treatment | Fuel System Cleaner Fuel Stabilizer & Oil Treatment | Gas & Diesel Additive for Cars & Trucks | 16 oz Pack of 4](https://m.media-amazon.com/images/I/51ypwKk1-EL.jpg)**Sea Foam Motor Treatment | Fuel System Cleaner Fuel Stabilizer & Oil Treatment | Gas & Diesel Additive for Cars & Trucks | 16 oz Pack of 4** Sea Foam**$37.05**4.8★8,370 reviews](https://www.amazon.com/dp/B07DHHSQXP) [![Seafoam Swim Trunks](https://m.media-amazon.com/images/I/515-kXqQurL.jpg)**Seafoam Swim Trunks** Kanu Surf**$12.57**4.7★6,607 reviews](https://www.amazon.com/dp/B08PZHDZGL) [![Sea Foam SF-16 Motor Treatment - 16 oz White (Pack of 2)](https://m.media-amazon.com/images/I/51gSGIHsPrL.jpg)**Sea Foam SF-16 Motor Treatment - 16 oz White (Pack of 2)** Sea Foam**$26.78**5.0★46 reviews](https://www.amazon.com/dp/B0CRSPVFK4) [![Seafoam Swim Trunks](https://m.media-amazon.com/images/I/51tfkaRL9pS.jpg)**Seafoam Swim Trunks** Kanu Surf**$13.91**4.7★6,607 reviews](https://www.amazon.com/dp/B08PZF62TB) [![STA-BIL 360 Marine Fuel System Treatment 32 oz](https://m.media-amazon.com/images/I/4148vEsX+cL.jpg)**STA-BIL 360 Marine Fuel System Treatment 32 oz** STA-BIL**$22.25**4.8★8,043 reviews](https://www.amazon.com/dp/B001CAW2DK) [![Sea Foam Motor Treatment and Intake Cleaner Combo Pack SF-SS 16 oz and 14 oz](https://m.media-amazon.com/images/I/51NNYdOO9uL.jpg)**Sea Foam Motor Treatment and Intake Cleaner Combo Pack SF-SS 16 oz and 14 oz** Sea Foam**$25.75**4.6★456 reviews](https://www.amazon.com/dp/B07YZT2DNW) [![Seafoam SF-16-12 Motor Treatment for Gas Applications Case of 12 16oz Bottle](https://m.media-amazon.com/images/I/5191XOodyIL.jpg)**Seafoam SF-16-12 Motor Treatment for Gas Applications Case of 12 16oz Bottle** ColorRite**$102.33**4.8★97 reviews](https://www.amazon.com/dp/B0BDGRBYRB)

## **Reviews**

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

### **What buyers love **

**Quality-Overall**18%

*“Significant improvement”*

**Efficiency**17%

*“Works great, works fast”*

**Value For Money**13%

*“Good Price”*

**Advertised Vs Actual Product**10%

*“As advertised”*

**Fuel Efficiency**8%

*“Miracle Fuel Additive for Everything”*

**Ease Of Cleaning**6%

*“Cleaning very good”*

**Lubrication**5%

*“Done oil changes and services throughout - taken care of the truck really well and consistently”*

**Motor Power**5%

*“helps turn on cranky motors”*

**Maintenance And Repair**3%

*“Saved me thousands of dollars in repairs”*

**Strength**2%

*“more powerful than ever”*

### **What buyers complain about **

**Functionality-Overall**34%

*“Didnt quite work for my case”*

**Motor Issues**8%

*“motor was surging”*

**Ease Of Cleaning**6%

*“Failed to clean out gas in my carburetor”*

**Spray/Flow**6%

*“when it was in it still felt like nothing even sprayed out”*

**Fuel Efficiency**6%

*“Failed to clean out gas in my carburetor”*

**Quality-Overall**5%

*“Garbage”*

**Ease Of Use**4%

*“anyway, it was running really rough with it being hard to start”*

**Maintenance And Repair**4%

*“Didnt fix anything waste of money not happy”*

**Value For Money**4%

*“It was a massive waste of money”*

**Leak-Proof**3%

*“Cap doesn't prevent it from leaking”*

#### **Top return reasons**- Leak-Proof21% - Functionality-Overall20% - Compatibility-Overall13% - Value For Money8% - Fuel Efficiency7% - Size-Overall7% - Motor Issues7% - Advertised Vs Actual Product6% - Defective Material/Parts2% - Maintenance And Repair1%