---
title: "Engine Guard — $39K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/automotive/engine-guard"
last_updated: "2026-08-10T19:06:30.046Z"
locale: en
meta:
  description: "Niche score 45/100 · $39K/yr market · 76K searches/yr · $57.08 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 45/100 · $39K/yr market · 76K searches/yr · $57.08 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Engine Guard — $39K/yr Amazon US Niche (2026) - Flapen"
---

# **engine guard**

**Skip it**

A small market ($39K/yr) — this niche doesn't clear our bar today.

Market size 10Growth 21Conversion 11Competition 53Returns 57Price range 61Avg price 91Brand share 77Review moat 68Quality gap 72

**Avg price**

**Great****$57.08**

avg listing price — sweet spot $15–$100

**Brand share**

**Great****58%**

top-5 brand share — no brand owns this niche

**Quality gap**

**Good****4.3★**

avg incumbent rating — lower means beatable quality

**Review moat**

**Good****778.57**

avg incumbent reviews — the moat a new listing must climb

**Price range**

**Good****$4.93–$145.06**

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

**Returns**

**Good****2.7%**

return rate — above 5% kills the launch gate

**Competition**

**Good****53%**

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

**Growth**

**Bad****-7.4%**

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

**Conversion**

**Bad****0.9%**

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

**Market size**

**Bad****$39K**

$39K/yr · 76K searches

**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%") [** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500") [** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")

According to Flapen's Amazon United States niche tracking, engine guard is a $39K/yr Amazon United States market (76K searches/yr). The top 5 brands hold 58% of demand. Demand peaks in Aug–Sep. Verdict: Skip it — 45/100.

Data updated Jul 8, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **engine guard market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**750–1K**</dd><dd>avg 0–100/product</dd>

<dt>**Revenue / yr**</dt><dd>**$43K–$57K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**0.9%**</dd>

<dt>**Avg BSR**</dt><dd>**#531**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**91%**</dd>

<dt>**Sponsored**</dt><dd>**91%**</dd>

<dt>**Out of stock**</dt><dd>**5.0%**</dd>

<dt>**Avg brand age**</dt><dd>**33 months**</dd>

<dt>**Avg seller age**</dt><dd>**175 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products take 53% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**27 **▼falling

**Sellers**

**87**

**Top-5 brand share**

**58%**

Top 20: 93%

**Top-5 click share**

**53%**

Top 20: 86%

**Open market**

**39%**

- Meorain17% - Ryansunoro16% - Xongjojo11% - JkorkM7% - GOOACC6% - COOL STAR3%

## **Demand & seasonality**

Weekly Amazon search volume, last 53 weeks — -7.4% search growth over the last 90 days.

3K2KSpike '26 seasonJulAugSepOctNovDecJanFebMarAprMayJun

Peak months: Aug, Sep · busiest ÷ quietest = 2.0×

[**Open Trend **](https://flapen.com/research/us/automotive/engine-guard/trend)

## **Top engine guard search terms**

- **engine guard**13K/yr+22.0%0.1% conv. - **engine case guards**11K/yr-0.1%0.1% conv. - **engine cover shield**12K/yr-12.3%0.2% conv. - **undercarriage shield**9K/yr+28.6%0.4% conv. - **honda splash shield**8K/yr-9.4%1.0% conv. - **undercarriage cover**7K/yr-21.4%0.3% conv. - **lower engine cover**5K/yr-38.3%0.1% conv. - **under engine cover**4K/yr-49.1%0.1% conv. - **front splash shield**3K/yr-11.1%0.2% conv. - **engine protector**3K/yr-19.4%0.6% conv. [**All search terms **](https://flapen.com/research/us/automotive/engine-guard/search-terms)

## **Top engine guard products on Amazon**

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

0%5%$2K10%$4K15%$6K20%$8K1101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

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

All 24 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Engine Splash Shield fit for Honda Civic 2016 2017 2018 2019 2020 2021 Aluminum Alloy Front Engine Case Guard Under Car Shield Cover Replace OEM 74110-TBA-A00 90674-TY2-A01](https://m.media-amazon.com/images/I/41r309ClfzL.jpg)**Engine Splash Shield fit for Honda Civic 2016 2017 2018 2019 2020 2021 Aluminum Alloy Front Engine Case Guard Under Car Shield Cover Replace OEM 74110-TBA-A00 90674-TY2-A01**Ryansunoro**$39.01**4.6★64 rev](https://www.amazon.com/dp/B0F2F7747Z) [2![14PCS Engine Splash Shield Hardware Kit Under Engine Cover Bolts & Clips for Skid Plate & Oil Pan Protection Replaces 90105-TBA-A00 90674-TY2-A01](https://m.media-amazon.com/images/I/51vsgUoG3gL.jpg)**14PCS Engine Splash Shield Hardware Kit Under Engine Cover Bolts & Clips for Skid Plate & Oil Pan Protection Replaces 90105-TBA-A00 90674-TY2-A01**Meorain**$9.00**4.0★69 rev](https://www.amazon.com/dp/B0DM4X47NW) [3![Engine Splash Shield Guard Compatible with 2016-2021 Civic Engine Case Guard Under Car Shield Cover Replacement 74110-TBA-A00 90674-TY2-A01 Engine Splash Guard](https://m.media-amazon.com/images/I/51Yr1CSwi8L.jpg)**Engine Splash Shield Guard Compatible with 2016-2021 Civic Engine Case Guard Under Car Shield Cover Replacement 74110-TBA-A00 90674-TY2-A01 Engine Splash Guard**Xongjojo**$43.31**4.1★35 rev](https://www.amazon.com/dp/B0DRSHQ2H4) [4![Jkorkm 74110-TBA-A00 Engine Splash Guard Under Car Shield Cover Compatible with Honda Civic 2016-2021 Replaces 74110tbaa00 Including Screws and Bolts Splash Shield Guard Under car](https://m.media-amazon.com/images/I/51bhidNXATL.jpg)**Jkorkm 74110-TBA-A00 Engine Splash Guard Under Car Shield Cover Compatible with Honda Civic 2016-2021 Replaces 74110tbaa00 Including Screws and Bolts Splash Shield Guard Under car**JkorkM**$123.57**3.5★25 rev](https://www.amazon.com/dp/B0FJDJJL7T) [5![GOOACC GRC-70 35PCS Engine Under Cover Splash Shield Guard Body Bolts Bumper Fender Liner Push Retainer Fastener Rivet Clips  black](https://m.media-amazon.com/images/I/51rpxY8Xt0L.jpg)**GOOACC GRC-70 35PCS Engine Under Cover Splash Shield Guard Body Bolts Bumper Fender Liner Push Retainer Fastener Rivet Clips black**GOOACC**$9.07**4.5★22,553 rev](https://www.amazon.com/dp/B07TKB45PP)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![AMZAUTO 45 PCS Engine Splash Shield Under Cover Bolts Fender Liner Clips Universal Automotive Bumper Fender Clips with Wrench Compatible with Most Vehicle of Cars](https://m.media-amazon.com/images/I/41Ia9QfcIDL.jpg)**AMZAUTO 45 PCS Engine Splash Shield Under Cover Bolts Fender Liner Clips Universal Automotive Bumper Fender Clips with Wrench Compatible with Most Vehicle of Cars**AMZAUTO**$11.66**5 rev6mo ago](https://www.amazon.com/dp/B0G2QS87FD) [![PHILTOP Front Lower Engine Splash Shield Under Cover Compatible with 2012-2018 Ford Focus 2.0L 2013-2018 Focus 2.0T FO1228121 AV6Z6P013A](https://m.media-amazon.com/images/I/41sLL2TN3bL.jpg)**PHILTOP Front Lower Engine Splash Shield Under Cover Compatible with 2012-2018 Ford Focus 2.0L 2013-2018 Focus 2.0T FO1228121 AV6Z6P013A**PHILTOP**$55.48**267 rev6mo ago](https://www.amazon.com/dp/B0G7F1JC7Z) [![ORIVIN 74110-TBA-A00 Lower Engine Splash Shield Guard Compatible with Honda Civic 2016-2021 Replaces 74110TBAA00](https://m.media-amazon.com/images/I/41oZpjPGNEL.jpg)**ORIVIN 74110-TBA-A00 Lower Engine Splash Shield Guard Compatible with Honda Civic 2016-2021 Replaces 74110TBAA00**ORIVIN**$104.11**14 rev8mo ago](https://www.amazon.com/dp/B0FWX4DSJY) [![Qurbuns 2 PCS Motorcycle Engine Guard Bumper Protection Block Crash Bar Decor Slider Anti-Scratch Drop Frame Guard Universal for 22mm/25mm/28mm Diameter Engine Bar (Black)](https://m.media-amazon.com/images/I/419xgVPSDiL.jpg)**Qurbuns 2 PCS Motorcycle Engine Guard Bumper Protection Block Crash Bar Decor Slider Anti-Scratch Drop Frame Guard Universal for 22mm/25mm/28mm Diameter Engine Bar (Black)**Qurbuns**$7.77**6 rev9mo ago](https://www.amazon.com/dp/B0FPWTZ77Q) [![Jkorkm 74110-TBA-A00 Engine Splash Guard Under Car Shield Cover Compatible with Honda Civic 2016-2021 Replaces 74110tbaa00 Including Screws and Bolts Splash Shield Guard Under car](https://m.media-amazon.com/images/I/51bhidNXATL.jpg)**Jkorkm 74110-TBA-A00 Engine Splash Guard Under Car Shield Cover Compatible with Honda Civic 2016-2021 Replaces 74110tbaa00 Including Screws and Bolts Splash Shield Guard Under car**JkorkM**$123.57**25 rev11mo ago](https://www.amazon.com/dp/B0FJDJJL7T)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![AMZAUTO 45 PCS Engine Splash Shield Under Cover Bolts Fender Liner Clips Universal Automotive Bumper Fender Clips with Wrench Compatible with Most Vehicle of Cars](https://m.media-amazon.com/images/I/41Ia9QfcIDL.jpg)**AMZAUTO 45 PCS Engine Splash Shield Under Cover Bolts Fender Liner Clips Universal Automotive Bumper Fender Clips with Wrench Compatible with Most Vehicle of Cars**AMZAUTO**$11.66**4.4★**▲ 190%**](https://www.amazon.com/dp/B0G2QS87FD) [![PHILTOP Front Lower Engine Splash Shield Under Cover Compatible with 2012-2018 Ford Focus 2.0L 2013-2018 Focus 2.0T FO1228121 AV6Z6P013A](https://m.media-amazon.com/images/I/41sLL2TN3bL.jpg)**PHILTOP Front Lower Engine Splash Shield Under Cover Compatible with 2012-2018 Ford Focus 2.0L 2013-2018 Focus 2.0T FO1228121 AV6Z6P013A**PHILTOP**$55.48**3.8★**▲ 181%**](https://www.amazon.com/dp/B0G7F1JC7Z) [![MZS Motorcycle Crash Bar 1.25 Engine Guard Front Highway Bar Heavy Duty Black Compatible with Sportster XL883 XL1200 883 1200 XL Iron 2004-2022 / XR1200 2008-2013](https://m.media-amazon.com/images/I/31l4hEwqfgL.jpg)**MZS Motorcycle Crash Bar 1.25 Engine Guard Front Highway Bar Heavy Duty Black Compatible with Sportster XL883 XL1200 883 1200 XL Iron 2004-2022 / XR1200 2008-2013**MZS**$84.98**3.3★**▲ 124%**](https://www.amazon.com/dp/B0F9YNT58Y) [![ORIVIN 74110-TBA-A00 Lower Engine Splash Shield Guard Compatible with Honda Civic 2016-2021 Replaces 74110TBAA00](https://m.media-amazon.com/images/I/41oZpjPGNEL.jpg)**ORIVIN 74110-TBA-A00 Lower Engine Splash Shield Guard Compatible with Honda Civic 2016-2021 Replaces 74110TBAA00**ORIVIN**$104.11**4.1★**▲ 96%**](https://www.amazon.com/dp/B0FWX4DSJY) [![SCUARI 10PCS Fender Screws Car Accessories Bumper Screws Splash Shield Screw Bumper Cover Under Cover Grill Tapping Screw Fastener Suitable for RAV4 ES GS LS RX Replacement #90159-60498](https://m.media-amazon.com/images/I/41gsmGTowqL.jpg)**SCUARI 10PCS Fender Screws Car Accessories Bumper Screws Splash Shield Screw Bumper Cover Under Cover Grill Tapping Screw Fastener Suitable for RAV4 ES GS LS RX Replacement #90159-60498**SCUARI**$4.93**4.4★**▲ 94%**](https://www.amazon.com/dp/B0DTHLG3RX)

**~~View all trending →~~**

## **What buyers say about engine guard**

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

### **What buyers love **

**Size-Overall**37%

*“Fit Great”*

**Quality-Overall**16%

*“Good quality and arrive in time”*

**Assembly/Installation**7%

*“easy to assemble”*

**Value For Money**6%

*“Good Value”*

**Advertised Vs Actual Product**5%

*“Exactly what I needed”*

**Durability**3%

*“Very durable”*

**Ease Of Use**3%

*“Easy to use”*

**Efficiency**3%

*“does its job effectively”*

**Material Quality**2%

*“The material feels durable”*

**Design-Overall**2%

*“Fit and design as described”*

### **What buyers complain about **

**Size-Overall**21%

*“Entirely too small”*

**Mounting**7%

*“The screws are worthless”*

**Thickness**7%

*“needs a little more thickness”*

**Defective Material/Parts**5%

*“I had pieces falling off my jeep”*

**Material Quality**4%

*“cheap materials”*

**Advertised Vs Actual Product**3%

*“it technically doesn't advertise compatibility with the Type R”*

**Quality-Overall**3%

*“Poor quality”*

**Assembly/Installation**3%

*“which made installation frustrating”*

**Value For Money**3%

*“Overpriced for what you get”*

**Durability**3%

*“Rip off”*

### **Top return reasons **

**Size-Overall**33%

**Advertised Vs Actual Product**15%

**Compatibility-Overall**12%

**Defective Material/Parts**11%

**Windshield Issues**7%

**Mounting**5%

**Value For Money**3%

**Assembly/Installation**3%

**Material Quality**2%

**Functionality-Overall**2%

## **Common questions**

<dl>

<dt>**Is engine guard profitable to sell on Amazon United States?**</dt><dd>The niche generates $39K/yr across 35 tracked products. 5 of 13 products launched in the last 360 days are still selling. 90-day search growth is -7.4%. Flapen's verdict: Skip it (45/100).</dd>

<dt>**How competitive is the engine guard niche?**</dt><dd>27 brands and 87 sellers compete. The top 5 products take 53% of clicks and top 5 brands hold 58% of demand.</dd>

<dt>**What do buyers complain about in engine guard?**</dt><dd>Top complaints mined from reviews: Size-Overall, Mounting, Thickness. The return rate is 2.7%.</dd>

<dt>**When does demand for engine guard peak?**</dt><dd>Demand peaks in Aug–Sep; the busiest month runs 2.0× the quietest.</dd>

<dt>**What does it cost to enter the engine guard niche?**</dt><dd>Listings span $4.93–$145.06; the average listing price is $57.08 (sweet spot $15–$100). The average incumbent carries 779 reviews — the moat a new listing must climb.</dd>

</dl>

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