Is engine guard profitable to sell on Amazon United States?

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).

How competitive is the engine guard niche?

27 brands and 87 sellers compete. The top 5 products take 53% of clicks and top 5 brands hold 58% of demand.

What do buyers complain about in engine guard?

Top complaints mined from reviews: Size-Overall, Mounting, Thickness. The return rate is 2.7%.

When does demand for engine guard peak?

Demand peaks in Aug–Sep; the busiest month runs 2.0× the quietest.

What does it cost to enter the engine guard niche?

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.

engine guard

Skip it

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

Avg price

Great$57.08

avg listing price — sweet spot $15–$100

Brand share

Great58%

top-5 brand share — no brand owns this niche

Quality gap

Good4.3★

avg incumbent rating — lower means beatable quality

Review moat

Good778.57

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

Good2.7%

return rate — above 5% kills the launch gate

Competition

Good53%

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

Growth

Bad-7.4%

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

Conversion

Bad0.9%

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

Market size

Bad$39K

$39K/yr · 76K searches

Signals No Dominant Brand Low Review Barrier High Price

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

engine guard market data

Units sold / yr: 750–1K; avg 0–100/product
Revenue / yr: $43K–$57K; units × avg price
Conversion rate: 0.9%
Avg BSR: #531
Page quality: 0%
Prime: 91%
Sponsored: 91%
Out of stock: 5.0%
Avg brand age: 33 months
Avg seller age: 175 days

Competition & brand share

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

Brands

27 falling

Sellers

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.

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

Open Trend

Top engine guard search terms

engine guard13K/yr +22.0%0.1% conv.
engine case guards11K/yr -0.1%0.1% conv.
engine cover shield12K/yr -12.3%0.2% conv.
undercarriage shield9K/yr +28.6%0.4% conv.
honda splash shield8K/yr -9.4%1.0% conv.
undercarriage cover7K/yr -21.4%0.3% conv.
lower engine cover5K/yr -38.3%0.1% conv.
under engine cover4K/yr -49.1%0.1% conv.
front splash shield3K/yr -11.1%0.2% conv.
engine protector3K/yr -19.4%0.6% conv.

All 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.

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

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$39.014.6★64 rev

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$9.004.0★69 rev

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$43.314.1★35 rev

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$123.573.5★25 rev

GOOACC GRC-70 35PCS Engine Under Cover Splash Shield Guard Body Bolts Bumper Fender Liner Push Retainer Fastener Rivet Clips black

GOOACC$9.074.5★22,553 rev

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

AMZAUTO$11.665 rev

6mo ago

PHILTOP Front Lower Engine Splash Shield Under Cover Compatible with 2012-2018 Ford Focus 2.0L 2013-2018 Focus 2.0T FO1228121 AV6Z6P013A

PHILTOP$55.48267 rev

6mo ago

ORIVIN 74110-TBA-A00 Lower Engine Splash Shield Guard Compatible with Honda Civic 2016-2021 Replaces 74110TBAA00

ORIVIN$104.1114 rev

8mo ago

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$7.776 rev

9mo ago

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$123.5725 rev

11mo ago

What buyers say about engine guard

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

What buyers love

Size-Overall37%

“Fit Great”

Quality-Overall16%

“Good quality and arrive in time”

Assembly/Installation7%

“easy to assemble”

Value For Money6%

“Good Value”

Advertised Vs Actual Product5%

“Exactly what I needed”

Durability3%

“Very durable”

Ease Of Use3%

“Easy to use”

Efficiency3%

“does its job effectively”

Material Quality2%

“The material feels durable”

Design-Overall2%

“Fit and design as described”

What buyers complain about

Size-Overall21%

“Entirely too small”

Mounting7%

“The screws are worthless”

Thickness7%

“needs a little more thickness”

Defective Material/Parts5%

“I had pieces falling off my jeep”

Material Quality4%

“cheap materials”

Advertised Vs Actual Product3%

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

Quality-Overall3%

“Poor quality”

Assembly/Installation3%

“which made installation frustrating”

Value For Money3%

“Overpriced for what you get”

Durability3%

“Rip off”

Top return reasons

Size-Overall33%

Advertised Vs Actual Product15%

Compatibility-Overall12%

Defective Material/Parts11%

Windshield Issues7%

Mounting5%