Is catalytic converter profitable to sell on Amazon United States?

The niche generates $3.1M/yr across 241 tracked products. 7 of 25 products launched in the last 360 days are still selling. 90-day search growth is -12.5%. Flapen's verdict: Worth a look (60/100).

How competitive is the catalytic converter niche?

40 brands and 131 sellers compete. The top 5 products take 12% of clicks and top 5 brands hold 70% of demand.

What do buyers complain about in catalytic converter?

Top complaints mined from reviews: Functionality-Overall, Size-Overall, Durability. The return rate is 3.7%.

When does demand for catalytic converter peak?

Demand is steady year-round — the busiest month runs 1.3× the quietest.

What does it cost to enter the catalytic converter niche?

Listings span $18.25–$625.62; the average listing price is $167.62 (sweet spot $15–$100). The average incumbent carries 120 reviews — the moat a new listing must climb.

catalytic converter

Worth a look

Shows a fragmented shelf (top 5 take 12% of clicks), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Competition

Incredible12%

top-5 click share — an open shelf

Market size

Incredible$3.1M

$3.1M/yr · 2.1M searches

Review moat

Great120.04

avg incumbent reviews — the moat a new listing must climb

Quality gap

Great4.1★

avg incumbent rating — lower means beatable quality

Brand share

Good70%

top-5 brand share — brands hold most of the demand

Avg price

Good$167.62

avg listing price — sweet spot $15–$100

Returns

Okay3.7%

return rate — above 5% kills the launch gate

Growth

Bad-12.5%

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

Price range

Bad$18.25–$625.62

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

Conversion

Bad0.9%

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

Signals High Price

According to Flapen's Amazon United States niche tracking, catalytic converter is a $3.1M/yr Amazon United States market (2.1M searches/yr). The top 5 brands hold 70% of demand. Verdict: Worth a look — 60/100.

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

catalytic converter market data

Units sold / yr: 15K–20K; avg 0–100/product
Revenue / yr: $2.5M–$3.4M; units × avg price
Conversion rate: 0.9%
Avg BSR: #461
Page quality: 0%
Prime: 93%
Sponsored: 92%
Out of stock: 2.8%
Avg brand age: 44 months
Avg seller age: 153 days

Competition & brand share

Clicks spread well past the top 5 (12% combined) — an open shelf where new products get seen.

Brands

40 falling

Sellers

131

Top-5 brand share

70%

Top 20: 92%

Top-5 click share

12%

Top 20: 27%

Open market

31%

A-Premium30%
PHILTOP13%
MagnaFlow Exhaust Products12%
Walker8%
maXpeedingrods3%
ZHRUIHAN3%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -12.5% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.3×

Open Trend

Top catalytic converter search terms

catalytic convert533K/yr -14.0%0.4% conv.
catalytic converter623K/yr -18.8%0.4% conv.
catalytic convertor245K/yr -1.5%0.4% conv.
catalyst converter141K/yr -19.5%0.3% conv.
catalizador103K/yr -5.6%0.3% conv.
catalytic convertor kit49K/yr +7.3%0.3% conv.
cadillac converter51K/yr -3.8%0.2% conv.
high flow catalytic convertor47K/yr -0.3%0.5% conv.
california legal catalytic converters20K/yr +0.7%0.0% conv.
automotive replacement catalytic converters29K/yr -7.3%0.3% conv.

All search terms

Top catalytic converter 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

A-Premium Front Catalytic Converter W/Gasket Kit Direct-Fit Compatible with Chevy & GMC Models - Captiva Sport 2012-2015 Equinox 2010-2017 Terrain 2010-2017 - L4 2.4L - E.P.A. Compliant

A-Premium$166.744.1★201 rev

A-Premium Catalytic Converter W/Gasket Kit Compatible with Hyundai & Kia - Accent 2012-2017 Veloster 2012-2017 Soul 2012-2014 Rio 2012-2016 - L4 1.6L - E.P.A. Compliant

A-Premium$164.094.4★121 rev

MagnaFlow Catalytic Converter 51356: 2.5/2.5 Inlet/Outlet OEM Grade Universal Fit (Federal/EPA Compliant)

MagnaFlow Exhaust Products$161.794.3★232 rev

MagnaFlow 51206 OEM Grade Universal Catalytic Converter 2.5 Inlet/Outlet (EPA Compliant)

MagnaFlow Exhaust Products$154.513.8★123 rev

A-Premium Catalytic Converter Kit Direct-Fit Compatible with 1999-2006 Chevy GMC & Cadillac Models - Silverado 1500 Avalanche Suburban Tahoe Sierra Yukon Escalade - 4.3L 4.8L 5.3L - EPA Compliant

A-Premium$234.014.0★103 rev

Newest

by launch date

ZHRUIHAN High Flow Catalytic Converter Kit Compatible with 1999-2006 Silverado 1500 / Sierra 1500 Escalade/Avalanche/Tahoe/Suburban/Sierra 1500 Classic - 4.3L 4.8L 5.3L EPA OE: 18010 50511

ZHRUIHAN$191.0414 rev

8mo ago

PHILTOP Catalytic Converter Kit Compatible with Chevrolet GMC 2014-2018 Silverado 1500/Sierra 1500 5.3L/4.3L 2015-2019 Tahoe/Suburban/Yukon/Yukon XL 5.3L Replace# 50497 645159 50563 (EPA Compliant)

PHILTOP$280.17179 rev

1y ago

PHILTOP Left and Right Catalytic Converter Replacement For 2013-2019 Explorer/Taurus/Flex 3.5/3.7L 2015-2018 Edge 3.5/3.7L 2013-2016 MKZ/MKS 3.7L Replace 19517 19516 16728 16721 (EPA Compliant)

PHILTOP$197.75118 rev

1y ago

A-Premium Front Catalytic Converter with Gasket Kit Direct-Fit Compatible with Chevy Cruze 2011-2016 Sonic 2012-2020 Trax 2013-2021 & Buick Encore 2013-2021 1.4L E.P.A. Compliant

A-Premium$117.1860 rev

2y ago

maXpeedingrods Catalytic Converter for Chrysler 200 2011-2014 for Dodge Avenger 2.4L 2008-2012 for Journey 2.4 2009-2018 for Patriot 2007-2017

maXpeedingrods$143.6354 rev

2y ago

What buyers say about catalytic converter

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

What buyers love

Size-Overall27%

“Fit as it should”

Quality-Overall13%

“Excellent Product”

Efficiency12%

“It work great on my car”

Value For Money12%

“Can't beat the price”

Advertised Vs Actual Product6%

“Works as advertised”

Assembly/Installation4%

“The installation went well”

Fuel Efficiency2%

“fuel efficiency improved”

Ease Of Cleaning2%

“Clean”

Durability2%

“Driven 1000 miles and no issues so far”

Ease Of Use2%

“It was easy to use”

What buyers complain about

Functionality-Overall14%

“It did not work as described”

Size-Overall12%

“Too short”

Durability11%

“Failed after 5 months”

Quality-Overall11%

“Low quality its trash”

Compatibility-Overall7%

“Every thing in the box wasnt compatible to my converter”

Sensor3%

“And second, the O2 sensor hole is not in the correct position, so it will make changing the o2 sensor more difficult to replace in the future, if needed”

Assembly/Installation3%

“Not easy to get it to line up”

Leak-Proof3%

“May have had a leak before”

Mounting3%

“Flanges are wrong”

Value For Money3%

“they are expensive”

Top return reasons

Size-Overall24%

Compatibility-Overall21%

Defective Material/Parts13%

Functionality-Overall9%

Advertised Vs Actual Product9%

Value For Money4%