oil catch can
Skip itSoft demand (-1.0% this quarter) — this niche doesn't clear our bar today.
Avg price
Incredible$37.37avg listing price — sweet spot $15–$100
Price range
Great$18.53–$126.94cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Good$693K$693K/yr · 914K searches
Review moat
Good989.58avg incumbent reviews — the moat a new listing must climb
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Competition
Good55%top-5 click share — leaders hold, buyers still browse
Returns
Okay3.3%return rate — above 5% kills the launch gate
Brand share
Okay82%top-5 brand share — brands hold most of the demand
Conversion
Okay2.0%search→purchase rate — share of searches ending in a sale
Growth
Bad-1.0%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, oil catch can is a $693K/yr Amazon United States market (914K searches/yr). The top 5 brands hold 82% of demand. Verdict: Skip it — 49/100.
Data updated Jul 9, 2026 · scored weekly · How we score niches
oil catch can market data
- Units sold / yr
- 15K–20K
- avg 500–750/product
- Revenue / yr
- $561K–$747K
- units × avg price
- Conversion rate
- 2.0%
- Avg BSR
- #1,293
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 81%
- Out of stock
- 0.0%
- Avg brand age
- 47 months
- Avg seller age
- 187 days
Competition & brand share
The top 5 products take 55% of clicks — established leaders, but buyers still shop beyond them.Brands
15 falling
Sellers
37
Top-5 brand share
82%
Top 20: 100%
Top-5 click share
55%
Top 20: 93%
Open market
16%
- EVIL ENERGY64%
- YEYETUO5%
- DWARFOO5%
- AOCISKA5%
- TEMSONE3%
- K&N3%
- Open — no brand owns it (9 brands, 16%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -1.0% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.3×
Top oil catch can search terms
- oil catch can459K/yr
- catch can172K/yr
- oil catch can kit113K/yr
- catch can kit42K/yr
- evil energy catch can25K/yr
- oil catch can 5.3 silverado16K/yr
- air oil separator15K/yr
- baffled oil catch can9K/yr
- oil separator automotive10K/yr
- motorcycle catch can6K/yr
Top oil catch can 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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
EVIL ENERGY Oil Catch Can Universal Baffled Catch Can Kit with Breather Filter 300ml Aluminum Air Oil Separator Tank NBR Fuel Hose Kits for PCV System
EVIL ENERGY$35.084.5★2,884 rev

EVIL ENERGY Oil Catch Can Universal Baffled Catch Can Kit with NBR Fuel Hose 300ml Aluminum Air Oil Separator Tank for PCV System
EVIL ENERGY$33.984.6★3,745 rev

Oil Catch Can 300ml Black Baffled Catch Can Tank Kit Aluminum Oil Separator with Fuel Line Hose Kit Coolant Reservoir Tank
YEYETUO$19.214.5★221 rev

DWARFOO Oil Catch Can Oil Catch Tank Oil Separator Catch Can with Hose Kit Universal Oil Catch Can Tank Polish Baffled Reservoir 300ml Oil Catch Can Tank Kit Universal for Car Truck Engine (Black)
DWARFOO$20.404.4★54 rev

EVIL ENERGY 10an Oil Catch Can 750ml Universal Baffled Catch Can with Breather Filter Aluminum Breather Tank 2 Port Air Oil Separator Black
EVIL ENERGY$34.704.3★615 rev
Newest
by launch date
AJulyBee Oil Catch Can 300ml Oil Catch Can Kit Aluminum Catch Can with Fuel Line Hose Kit Coolant Reservoir Tank for Cars Trucks
AJulyBee$18.6420 rev

EVIL ENERGY 10AN Oil Catch Can 1.2L Dual Breather Filter Universal Baffled Catch Can Kit Aluminum Air Oil Separator with Drain Valve
EVIL ENERGY$56.2736 rev

EVIL ENERGY Oil Catch Can 300ML Baffled Oil Can Universal Aluminum Air Oil Separator Breather Tank with 3/8 ID 5FT NBR Fuel Hose Kit
EVIL ENERGY$39.563,745 rev

DWARFOO Oil Catch Can Oil Catch Tank Oil Separator Catch Can with Hose Kit Universal Oil Catch Can Tank Polish Baffled Reservoir 300ml Oil Catch Can Tank Kit Universal for Car Truck Engine (Black)
DWARFOO$20.4054 rev

EVIL ENERGY Oil Catch Can 300ML Universal Baffled Catch Can Kit with 5FT 3/8 Inch Hose Aluminum Air Oil Separator Upgraded Internal Filter
EVIL ENERGY$38.13291 rev
Trending
90-day click momentum
AJulyBee Oil Catch Can 300ml Oil Catch Can Kit Aluminum Catch Can with Fuel Line Hose Kit Coolant Reservoir Tank for Cars Trucks
AJulyBee$18.644.6★

DWARFOO Oil Catch Can Oil Catch Tank Oil Separator Catch Can with Hose Kit Universal Oil Catch Can Tank Polish Baffled Reservoir 300ml Oil Catch Can Tank Kit Universal for Car Truck Engine (Black)
DWARFOO$20.404.4★

EVIL ENERGY Oil Catch Can Universal Baffled Catch Can Kit with NBR Fuel Hose 300ml Aluminum Air Oil Separator Tank for PCV System Red
EVIL ENERGY$33.964.6★

AOCISKA Aluminum Oil Catch Can Baffled Oil Catch Can Kit 300ml Oil Reservoir Tank Oil Separator Catch Can with Hose Kit Universal Oil Catch Can Tank Polish Baffled Reservoir (Red)
AOCISKA$24.284.1★

EVIL ENERGY 10AN Oil Catch Can 1.2L Dual Breather Filter Universal Baffled Catch Can Kit Aluminum Air Oil Separator with Drain Valve
EVIL ENERGY$56.274.7★
What buyers say about oil catch can
What buyers praise and complain about, mined from review topics.What buyers love
“Solid Build Quality”
“It installed well”
“Worth it”
“Good fit”
“Works as advertised”
“Works well”
“It's going a good job catching oil so far”
“The bracket is universal and easy to cut to size and drill out”
“does not leak”
“Solid construction”
What buyers complain about
“No feasible way to mount it”
“just be aware the quality control might need to be increased”
“No instructions”
“the hose was only 2 inches”
“Its not super easy to install”
“As another reviewer noted that porous metal filter wasn't going to work”
“Don't cheap out if you must”
“Defective catch can”
“Not accurate description”
“found this culprit to be the leak”
Top return reasons
Common questions
- Is oil catch can profitable to sell on Amazon United States?
- The niche generates $693K/yr across 26 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -1.0%. Flapen's verdict: Skip it (49/100).
- How competitive is the oil catch can niche?
- 15 brands and 37 sellers compete. The top 5 products take 55% of clicks and top 5 brands hold 82% of demand.
- What do buyers complain about in oil catch can?
- Top complaints mined from reviews: Mounting, Quality-Overall, Instructions/User Manual/Troubleshooting. The return rate is 3.3%.
- When does demand for oil catch can peak?
- Demand is steady year-round — the busiest month runs 1.3× the quietest.
- What does it cost to enter the oil catch can niche?
- Listings span $18.53–$126.94; the average listing price is $37.37 (sweet spot $15–$100). The average incumbent carries 990 reviews — the moat a new listing must climb.