505 cro engine cleaner
Skip it44/100a small market ($348K/yr) — 505 cro engine cleaner doesn't clear our bar today.
Market/yr
$348K
Growth (1y)
+163.8%
Products
17
Brands
10
was 6 a year ago
Sellers
88
Price range
$6.47–$87.87
Returns
0.7%
Rating
4.7★
Skip it
Scored 44/100 across market size, growth, competition, quality gap, and returns.
Demand
Weekly Amazon search volume, last 104 weeks — +163.8% year over year.Seasonality
Monthly demand index across the year — 1.00 is average.No pronounced peak months · busiest ÷ quietest = 1.5×
Competition
- Liqui Moly56%
- Triax14%
- MAATSEN13%
- Gunk4%
- Motul3%
- XADO3%
- Other (4 brands)7%
The top 5 products capture 72% of clicks — a locked-up shelf that new listings rarely crack. 10 brands and 88 sellers compete here.
Brands
10 rising
was 6 a year ago
Sellers
88
Top 5 brand share
90%
Product shelf
All 17 tracked products in this niche.
Liqui Moly Engine Flush Plus 300ml
Liqui Moly
$17.704.7★6,447 reviews
TRIAX Pro Engine Flush Oil-Based Deep Clean Motor Oil Flush Removes Sludge & Carbon | Non-Solvent | Safe for Engine Seals Injectors | Professional Shop Grade (16 oz - 473 ml)
Triax
$13.654.8★234 reviews
Liqui Moly motorspulung 500ML (2427) PRO LINE Engine Flush
Liqui Moly
$21.554.7★14,165 reviews
Liquii Moly Pro-Line Engine Flush (500 ML) - 2 PACK
MAATSEN
$39.114.7★136 reviews
Liqui Moly Pro-Line Engine Flush | 500 ml | Oil additive | SKU: 2037
Liqui Moly
$19.994.7★9,710 reviews
Motor Flush 5 Min 32 fl oz (3 Pack)
Gunk
$23.114.6★90 reviews
Liqui Moly MoS2 Anti-Friction Engine Treatment | 300 ml | Oil additive | SKU: 2009
Liqui Moly
$9.704.7★7,073 reviews
Motul Engine Clean | Oil Additive & Flush for Gasoline & Diesel Engines | Helps Remove Sludge & Improve Oil Flow | Supports Emission System Care & Engine Protection | 300ml
Motul
$18.404.7★159 reviews
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Excellent product”
“Good Value”
“Better gas mileage”
“Works as intended”
“Filled with Fresh oil and filter, and I also used some ProLube oil treatment, and have amazing oil pressure and have no issues anymore”
“quieter”
“Product as advertised”
“Clean and keep going”
“Easy to use”
“Keep that motor running”
What buyers complain about
“It was very noisy lifter wise”
“Made my oil look like mud when i went to replace it”
“A little expensive”
“This does not work at all”
“Did not work on my VW Tiguan”
“Leaking”
“I gained more compression on cylinders that were lacking compression”
“It makes the oil look dirty”
“Bottled junk”
“expected gas milage increase”
Top return reasons
- Leak-Proof20%
- Compatibility-Overall20%
- Functionality-Overall12%
- Advertised Vs Actual Product12%
- Value For Money11%
- Fuel Efficiency4%
- Motor Issues4%
- Product Condition3%
- Defective Material/Parts3%
- Lubrication1%