Is engine cover profitable to sell on Amazon United States?

The niche generates $273K/yr across 163 tracked products. 6 of 20 products launched in the last 360 days are still selling. 90-day search growth is -17.9%. Flapen's verdict: Worth a look (58/100).

How competitive is the engine cover niche?

72 brands and 185 sellers compete. The top 5 products take 16% of clicks and top 5 brands hold 43% of demand.

What do buyers complain about in engine cover?

Top complaints mined from reviews: Leak-Proof, Quality-Overall, Size-Overall. The return rate is 1.8%.

When does demand for engine cover peak?

Demand peaks in Feb–Mar; the busiest month runs 2.0× the quietest.

What does it cost to enter the engine cover niche?

Listings span $5.99–$296.75; the average listing price is $95.82 (sweet spot $15–$100). The average incumbent carries 530 reviews — the moat a new listing must climb.

engine cover

Worth a look

Shows a fragmented shelf (top 5 take 16% of clicks), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Competition

Incredible16%

top-5 click share — an open shelf

Brand share

Great43%

top-5 brand share — no brand owns this niche

Returns

Great1.8%

return rate — above 5% kills the launch gate

Avg price

Great$95.82

avg listing price — sweet spot $15–$100

Review moat

Good530.19

avg incumbent reviews — the moat a new listing must climb

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Market size

Okay$273K

$273K/yr · 189K searches

Price range

Okay$5.99–$296.75

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

Conversion

Bad1.5%

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

Growth

Bad-17.9%

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

Signals No Dominant Brand High Price

According to Flapen's Amazon United States niche tracking, engine cover is a $273K/yr Amazon United States market (189K searches/yr). The top 5 brands hold 43% of demand. Demand peaks in Feb–Mar. Verdict: Worth a look — 58/100.

Data updated Jul 9, 2026 · scored weekly · How we score niches

engine cover market data

Units sold / yr: 2K–3K; avg 0–100/product
Revenue / yr: $192K–$240K; units × avg price
Conversion rate: 1.5%
Avg BSR: #661
Page quality: 0%
Prime: 93%
Sponsored: 75%
Out of stock: 3.5%
Avg brand age: 44 months
Avg seller age: 169 days

Competition & brand share

Clicks spread well past the top 5 (16% combined) — an open shelf where new products get seen.

Brands

72 rising

Sellers

185

Top-5 brand share

43%

Top 20: 76%

Top-5 click share

16%

Top 20: 38%

Open market

52%

MITZONE13%
A-Premium11%
MILIPARTS8%
GM GENUINE PARTS6%
FRONEZER5%
ProForm5%

Demand & seasonality

Weekly Amazon search volume, last 69 weeks — -17.9% search growth over the last 90 days.

Peak months: Feb, Mar · busiest ÷ quietest = 2.0×

Open Trend

Top engine cover search terms

engine cover79K/yr -22.9%0.5% conv.
valve covers60K/yr -15.5%0.6% conv.
aluminum valve cover13K/yr -2.3%0.9% conv.
automotive replacement engine valve covers9K/yr -9.3%0.8% conv.
pcv valve cover6K/yr -13.6%1.4% conv.
tapa de motor6K/yr -26.6%0.2% conv.
tapa de vlvulas de motor4K/yr -32.7%0.5% conv.
aluminum engine valve cover4K/yr -12.9%0.3% conv.
tapa de valvulas4K/yr -41.2%0.3% conv.
tapa de valvula3K/yr +56.9%0.7% conv.

All search terms

Top engine cover 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

GM Genuine Parts 12625893 Engine Intake Manifold Cover

GM GENUINE PARTS$59.694.7★175 rev

MILIPARTS Upgrade Aluminum Engine Valve Covers Compatible with 1999-2008 Cadillac Escalade Chevy Silverado Suburban Tahoe Trailblazer GMC Sierra Yukon Replaces Parts 12570427 12582224

MILIPARTS$76.654.4★240 rev

Engine Valve Cover with Gaskets Bolts & Oil Filler Cap Compatible with 2011-2020 Chevy Cruze Sonic Trax Volt | Cadillac ELR | Buick Encore 1.4L Turbo Replace# 55573746 25198498 264-968 25198874

FRONEZER$36.214.4★593 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

Moroso 99400 Engine Bag Cover

Moroso$17.874.8★470 rev

Newest

by launch date

PeakRider Clear Engine Storage Cover Bags Heavy-Duty Transparent PE

PeakRider$13.5142 rev

5mo ago

Upgraded Aluminum Valve Cover with Gasket Bolts & Oil Filler Cap Compatible with 2011-2020 Chevy Cruze Sonic Trax Volt ELR Buick Encore 1.4L Turbo Replace 55573746 25198498 264-968 25198874

FRONEZER$72.3439 rev

11mo ago

Aluminum Engine Valve Covers w/Gasket Compatible with Cadillac Vehicle 1999-2008 Escalade Silverado Suburban Tahoe Trailblazer Sierra Yukon 4.8L 5.3L 6.0L Replace# 264-965 12570427 12582224

Dtomi$66.4619 rev

1y ago

Upgrade Aluminum Engine Valve Cover kit Compatible with Ford F-150 Expedition 2013-2017 Transit 150 250 350 2015-2022 Lincoln Navigator 2015-2017 Replacement for BL3Z-6582-H DL3Z-6582-C Left & Right

QBselecar$205.6116 rev

1y ago

Clear Engine Storage Bags 10 Pack 39x47 Heavy Duty Dust Covers

PeakRider$15.2068 rev

1y ago

What buyers say about engine cover

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

What buyers love

Size-Overall32%

“Fit like a glove”

Quality-Overall22%

“Solid quality”

Value For Money8%

“Fair price”

Leak-Proof6%

“No more oil leak”

Assembly/Installation5%

“Smooth install”

Advertised Vs Actual Product4%

“Works as advertised”

Efficiency3%

“Effective”

Durability2%

“The construction feels durable and solid, providing confidence that these covers will hold up well over time”

Ease Of Use2%

“Easy to use”

Strength1%

“surprisingly strong”

What buyers complain about

Leak-Proof13%

“Leaks oil”

Quality-Overall12%

“Cheap Quality”

Size-Overall12%

“Did not fit”

Color8%

“faded their color super fast”

Durability3%

“Failed quickly”

Thickness3%

“they're not thicker than other bags”

Paint Quality3%

“Faded paint”

Functionality-Overall3%

“valve that you can't service in the valve cover didn't work at all”

Assembly/Installation2%

“Installation was a 7 out of 10 on how hard to do”

Value For Money2%

“it's overpriced”

Top return reasons

Size-Overall34%

Defective Material/Parts14%

Compatibility-Overall9%

Advertised Vs Actual Product8%

Leak-Proof7%

Functionality-Overall4%

Value For Money4%

Assembly/Installation2%

Quality-Overall2%

Material Quality2%

Common questions

Is engine cover profitable to sell on Amazon United States?: The niche generates $273K/yr across 163 tracked products. 6 of 20 products launched in the last 360 days are still selling. 90-day search growth is -17.9%. Flapen's verdict: Worth a look (58/100).
How competitive is the engine cover niche?: 72 brands and 185 sellers compete. The top 5 products take 16% of clicks and top 5 brands hold 43% of demand.
What do buyers complain about in engine cover?: Top complaints mined from reviews: Leak-Proof, Quality-Overall, Size-Overall. The return rate is 1.8%.
When does demand for engine cover peak?: Demand peaks in Feb–Mar; the busiest month runs 2.0× the quietest.
What does it cost to enter the engine cover niche?: Listings span $5.99–$296.75; the average listing price is $95.82 (sweet spot $15–$100). The average incumbent carries 530 reviews — the moat a new listing must climb.

engine cover

engine cover market data

Competition & brand share

Demand & seasonality

Top engine cover search terms

Top engine cover products on Amazon

Top sellers

Newest

Trending

What buyers say about engine cover

What buyers love

What buyers complain about

Top return reasons

Common questions

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