---
title: "engine cleaner — Niche Verdict: Skip it (53/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/automotive/engine-cleaner"
last_updated: "2026-07-09T23:38:55.082Z"
locale: en
meta:
  description: "strong incumbent ratings (4.6★) — engine cleaner doesn't clear our bar today."
  "og:description": "strong incumbent ratings (4.6★) — engine cleaner doesn't clear our bar today."
  "og:title": "engine cleaner — Niche Verdict: Skip it (53/100) | Amazon United States - Flapen"
---

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# **engine cleaner**

**Skip it****53/100 **

strong incumbent ratings (4.6★) — engine cleaner doesn't clear our bar today.

**Market/yr**

**$1.1M**

**Growth (1y)**

**+168.7%**

**Products**

**18**

**Brands**

**9**

was 28 a year ago

**Sellers**

**103**

**Price range**

**$5.01–$66.88**

**Returns**

**0.4%**

**Rating**

**4.6★**

**Skip it**

Scored 53/100 across market size, growth, competition, quality gap, and returns.

Market sizeGrowthCompetitionQuality gapReturns

Market size

**35**

 ×0.30

Growth

**73**

 ×0.30

Competition

**39**

 ×0.20

Quality gap

**31**

 ×0.10

Returns

**97**

 ×0.10

## **Demand**

Weekly Amazon search volume, last 104 weeks — +168.7% year over year.

19K9KSpike '25Spike '26Jul '24Nov '24Mar '25Jul '25Nov '25Mar '26

## **Seasonality**

Monthly demand index across the year — 1.00 is average.

JFMAMJJASOND

No pronounced peak months · busiest ÷ quietest = 1.8×

## **Competition**

- Chemical Guys31% - Zep22% - Gunk12% - 3D9% - WD-40 Specialist7% - KRAKEN BOND7% - Other (3 brands)11%

The top 5 products take 64% of clicks — established leaders, but buyers still shop beyond them. 9 brands and 103 sellers compete here.

**Brands**

**9 **▼falling

was 28 a year ago

**Sellers**

**103**

**Top 5 brand share**

**82%**

#ProductBrandPriceRatingReviewsClick shareTrend

1
![Chemical Guys Signature Series Orange Degreaser Spray - Heavy Duty All Purpose Cleaner for Engines Tires Undercarriages Tools and More Professional Strength Breaks Down Grease Oil & Grime 16 oz](https://m.media-amazon.com/images/I/41bVOEaKDAL.jpg) [**Chemical Guys Signature Series Orange Degreaser Spray - Heavy Duty All Purpose Cleaner for Engines Tires Undercarriages Tools and More Professional Strength Breaks Down Grease Oil & Grime 16 oz**](https://www.amazon.com/dp/B00DZI39UW)

Chemical Guys$11.334.6★7,68229%▲rising

2
![Zep Cherry Bomb Auto+ Degreaser & Cleaner - For Auto Marine RV & Home - 1 Gallon](https://m.media-amazon.com/images/I/41gLRkzS5nL.jpg) [**Zep Cherry Bomb Auto+ Degreaser & Cleaner - For Auto Marine RV & Home - 1 Gallon**](https://www.amazon.com/dp/B0F8P84K19)

Zep$11.324.6★44210%▲rising

3
![3D Grand Blast Engine Degreaser Heavy Duty Biodegradable Cleaner for Engines Wheels Exhausts & More Fast-Acting Non-Staining Made in USA 1 Gallon](https://m.media-amazon.com/images/I/410WhB5QfQL.jpg) [**3D Grand Blast Engine Degreaser Heavy Duty Biodegradable Cleaner for Engines Wheels Exhausts & More Fast-Acting Non-Staining Made in USA 1 Gallon**](https://www.amazon.com/dp/B0007RVL5Y)

3D$34.124.5★1,0139%▼falling

4
![Zep Cherry Bomb Auto+ Degreaser & Cleaner - For Auto Marine RV & Home - 32 oz.](https://m.media-amazon.com/images/I/41cF4rP39jL.jpg) [**Zep Cherry Bomb Auto+ Degreaser & Cleaner - For Auto Marine RV & Home - 32 oz.**](https://www.amazon.com/dp/B0F8P66KV6)

Zep$6.324.5★3709%▼falling

5
![KRAKEN BOND Engine Cleaner Spray - (2x12.3 fl. Oz) Engine Degreaser for Engine Bay Gunk and Motor | 2 Pack](https://m.media-amazon.com/images/I/41hZP3hL9fL.jpg) [**KRAKEN BOND Engine Cleaner Spray - (2x12.3 fl. Oz) Engine Degreaser for Engine Bay Gunk and Motor | 2 Pack**](https://www.amazon.com/dp/B0BRYCVNMP)

KRAKEN BOND$16.614.5★5607%▼falling

6
![Radiator Specialty Gunk FEB1 18 Oz Engine Brite Foam Degreaser](https://m.media-amazon.com/images/I/41tgqh6zVeL.jpg) [**Radiator Specialty Gunk FEB1 18 Oz Engine Brite Foam Degreaser**](https://www.amazon.com/dp/B01M1CIM5S)

Gunk$14.024.7★935%▲rising

7
![CRC 05483 Heavy Duty Pro-Strength Degreaser 20 Wt Oz [1 Pack]](https://m.media-amazon.com/images/I/416dTJDjowL.jpg) [**CRC 05483 Heavy Duty Pro-Strength Degreaser 20 Wt Oz \[1 Pack\]**](https://www.amazon.com/dp/B0CRJRX7FY)

CRC$10.064.6★4704%▼falling

8
![ZEP ZUHFD18 Foam Degreaser 18 oz](https://m.media-amazon.com/images/I/31YVMxA7iTL.jpg) [**ZEP ZUHFD18 Foam Degreaser 18 oz**](https://www.amazon.com/dp/B00FQT5SIO)

Zep$5.014.4★4094%▲rising

9
![WD-40 Specialist Machine & Engine Degreaser Foaming Spray 18 OZ](https://m.media-amazon.com/images/I/41rmbmS28yL.jpg) [**WD-40 Specialist Machine & Engine Degreaser Foaming Spray 18 OZ**](https://www.amazon.com/dp/B00AF0OEWA)

WD-40 Specialist$8.984.7★1,7793%▼falling

10

![Gunk Engine Degreaser Original Degreaser Cleaner Spray Quickly Removes Tough Oil & Grease Cleans Hardworking Engines Rinses Easily with Water 15 oz (Case of 6)](https://m.media-amazon.com/images/I/51krjLAJaXL.jpg) [**Gunk Engine Degreaser Original Degreaser Cleaner Spray Quickly Removes Tough Oil & Grease Cleans Hardworking Engines Rinses Easily with Water 15 oz (Case of 6)**](https://www.amazon.com/dp/B0FPZK8RPY)

Gunk$29.224.6★2033%▲rising

11

![Oil Eater Original 1 Gallon Cleaner Degreaser - Dissolve Grease Oil and Heavy-Duty Stains Professional Strength](https://m.media-amazon.com/images/I/41x4FTxYWSL.jpg) [**Oil Eater Original 1 Gallon Cleaner Degreaser - Dissolve Grease Oil and Heavy-Duty Stains Professional Strength**](https://www.amazon.com/dp/B000EALHHG)

Oil Eater$13.684.3★11,1933%▼falling

12

![SMP13005 - Simple Green Industrial Cleaner and Degreaser](https://m.media-amazon.com/images/I/41wsxJV2auL.jpg) [**SMP13005 - Simple Green Industrial Cleaner and Degreaser**](https://www.amazon.com/dp/B0000AXNO5)

Simple Green$10.544.7★9,4593%▼falling

13

![WD-40 Specialist Degreaser with Smart Straw Heavy-Duty Degreaser for Breaking Down Grease on Engines Heavy Machinery Power Equipment and Metal Tools Industrial Strength Fast-Acting Formula 15 Oz](https://m.media-amazon.com/images/I/412xavEay7L.jpg) [**WD-40 Specialist Degreaser with Smart Straw Heavy-Duty Degreaser for Breaking Down Grease on Engines Heavy Machinery Power Equipment and Metal Tools Industrial Strength Fast-Acting Formula 15 Oz**](https://www.amazon.com/dp/B00ZHS7ULW)

WD-40 Specialist$8.474.6★7632%—flat

14

![GUNK Engine Cleaner Foamy Spray for Engines with Plastic Covers Expanding Foam Quickly Removes Grease Oil Dirt & Road Grime - Clings to Surfaces for Easy Rinse 17 oz (Case of 12)](https://m.media-amazon.com/images/I/51Y4MS7qldL.jpg) [**GUNK Engine Cleaner Foamy Spray for Engines with Plastic Covers Expanding Foam Quickly Removes Grease Oil Dirt & Road Grime - Clings to Surfaces for Easy Rinse 17 oz (Case of 12)**](https://www.amazon.com/dp/B00BGSF84I)

Gunk$66.884.7★712%▲rising

15

![GUNK Engine Degreaser Original Degreaser Cleaner Spray Quickly Removes Tough Oil & Grease Cleans Hardworking Engines Rinses Easily with Water 15 oz (Case of 12)](https://m.media-amazon.com/images/I/51X6ny0DBUL.jpg) [**GUNK Engine Degreaser Original Degreaser Cleaner Spray Quickly Removes Tough Oil & Grease Cleans Hardworking Engines Rinses Easily with Water 15 oz (Case of 12)**](https://www.amazon.com/dp/B00BGSF6XQ)

Gunk$61.764.6★2032%—flat

**~~Showing 15 of 18 — show all ~~**

## **Product shelf**

All 18 tracked products in this niche.

Top sellersNewestTrending

[![Chemical Guys Signature Series Orange Degreaser Spray - Heavy Duty All Purpose Cleaner for Engines Tires Undercarriages Tools and More Professional Strength Breaks Down Grease Oil & Grime 16 oz](https://m.media-amazon.com/images/I/41bVOEaKDAL.jpg)**Chemical Guys Signature Series Orange Degreaser Spray - Heavy Duty All Purpose Cleaner for Engines Tires Undercarriages Tools and More Professional Strength Breaks Down Grease Oil & Grime 16 oz** Chemical Guys**$11.33**4.6★7,682 reviews](https://www.amazon.com/dp/B00DZI39UW) [![Zep Cherry Bomb Auto+ Degreaser & Cleaner - For Auto Marine RV & Home - 1 Gallon](https://m.media-amazon.com/images/I/41gLRkzS5nL.jpg)**Zep Cherry Bomb Auto+ Degreaser & Cleaner - For Auto Marine RV & Home - 1 Gallon** Zep**$11.32**4.6★442 reviews](https://www.amazon.com/dp/B0F8P84K19) [![3D Grand Blast Engine Degreaser Heavy Duty Biodegradable Cleaner for Engines Wheels Exhausts & More Fast-Acting Non-Staining Made in USA 1 Gallon](https://m.media-amazon.com/images/I/410WhB5QfQL.jpg)**3D Grand Blast Engine Degreaser Heavy Duty Biodegradable Cleaner for Engines Wheels Exhausts & More Fast-Acting Non-Staining Made in USA 1 Gallon** 3D**$34.12**4.5★1,013 reviews](https://www.amazon.com/dp/B0007RVL5Y) [![Zep Cherry Bomb Auto+ Degreaser & Cleaner - For Auto Marine RV & Home - 32 oz.](https://m.media-amazon.com/images/I/41cF4rP39jL.jpg)**Zep Cherry Bomb Auto+ Degreaser & Cleaner - For Auto Marine RV & Home - 32 oz.** Zep**$6.32**4.5★370 reviews](https://www.amazon.com/dp/B0F8P66KV6) [![KRAKEN BOND Engine Cleaner Spray - (2x12.3 fl. Oz) Engine Degreaser for Engine Bay Gunk and Motor | 2 Pack](https://m.media-amazon.com/images/I/41hZP3hL9fL.jpg)**KRAKEN BOND Engine Cleaner Spray - (2x12.3 fl. Oz) Engine Degreaser for Engine Bay Gunk and Motor | 2 Pack** KRAKEN BOND**$16.61**4.5★560 reviews](https://www.amazon.com/dp/B0BRYCVNMP) [![Radiator Specialty Gunk FEB1 18 Oz Engine Brite Foam Degreaser](https://m.media-amazon.com/images/I/41tgqh6zVeL.jpg)**Radiator Specialty Gunk FEB1 18 Oz Engine Brite Foam Degreaser** Gunk**$14.02**4.7★93 reviews](https://www.amazon.com/dp/B01M1CIM5S) [![CRC 05483 Heavy Duty Pro-Strength Degreaser 20 Wt Oz [1 Pack]](https://m.media-amazon.com/images/I/416dTJDjowL.jpg)**CRC 05483 Heavy Duty Pro-Strength Degreaser 20 Wt Oz \[1 Pack\]** CRC**$10.06**4.6★470 reviews](https://www.amazon.com/dp/B0CRJRX7FY) [![ZEP ZUHFD18 Foam Degreaser 18 oz](https://m.media-amazon.com/images/I/31YVMxA7iTL.jpg)**ZEP ZUHFD18 Foam Degreaser 18 oz** Zep**$5.01**4.4★409 reviews](https://www.amazon.com/dp/B00FQT5SIO)

## **Reviews**

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

### **What buyers love **

**Ease Of Cleaning**25%

*“It cleans well”*

**Quality-Overall**15%

*“Better than average”*

**Efficiency**11%

*“Works well”*

**Smell**10%

*“Good smell”*

**Value For Money**6%

*“Good price”*

**Advertised Vs Actual Product**5%

*“Works as advertised”*

**Strength**3%

*“Heavy duty”*

**Ease Of Use**3%

*“Easy to use”*

**Color**2%

*“Simple green is just the best”*

**Spray/Flow**2%

*“Awesome spray”*

### **What buyers complain about **

**Functionality-Overall**17%

*“This product does not work well”*

**Ease Of Cleaning**12%

*“this was on a worst case kind of mess”*

**Stain Resistance**10%

*“Also, may not take out the stain completely”*

**Strength**8%

*“Pretty weak stuff”*

**Leak-Proof**7%

*“the bottle leaks”*

**Smell**6%

*“Smells gross”*

**Value For Money**5%

*“waste of MONEY”*

**Quality-Overall**3%

*“not very good”*

**Spray/Flow**2%

*“Dripped and leaked while spraying”*

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

*“Totally did not follow delivery instructions”*

#### **Top return reasons**- Leak-Proof23% - Functionality-Overall19% - Advertised Vs Actual Product13% - Value For Money9% - Stain Resistance6% - Wet Cleaning4% - Spray/Flow3% - Size-Overall2% - Defective Material/Parts2% - Ease Of Cleaning2%