Is parts washer solvent profitable to sell on Amazon United States?

The niche generates $163K/yr across 17 tracked products. 90-day search growth is -16.1%. Flapen's verdict: Skip it (41/100).

How competitive is the parts washer solvent niche?

10 brands and 108 sellers compete. The top 5 products take 66% of clicks and top 5 brands hold 91% of demand.

What do buyers complain about in parts washer solvent?

Top complaints mined from reviews: Functionality-Overall, Ease Of Cleaning, Stain Resistance. The return rate is 0.4%.

When does demand for parts washer solvent peak?

Demand is steady year-round — the busiest month runs 1.7× the quietest.

What does it cost to enter the parts washer solvent niche?

Listings span $10.54–$173.28; the average listing price is $70.49 (sweet spot $15–$100). The average incumbent carries 1,783 reviews — the moat a new listing must climb.

parts washer solvent

Skip it

Soft demand (-16.1% this quarter) — this niche doesn't clear our bar today.

Returns

Incredible0.4%

return rate — above 5% kills the launch gate

Avg price

Great$70.49

avg listing price — sweet spot $15–$100

Price range

Good$10.54–$173.28

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

Review moat

Okay1,783.18

avg incumbent reviews — the moat a new listing must climb

Conversion

Okay2.9%

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

Market size

Okay$163K

$163K/yr · 79K searches

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Competition

Okay66%

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

Brand share

Bad91%

top-5 brand share — brand-locked demand

Growth

Bad-16.1%

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

Signals High Price

According to Flapen's Amazon United States niche tracking, parts washer solvent is a $163K/yr Amazon United States market (79K searches/yr). The top 5 brands hold 91% of demand. Verdict: Skip it — 41/100.

Data updated Jul 8, 2026 · scored weekly · How we score niches

parts washer solvent market data

Units sold / yr: 3K–3K; avg 100–250/product
Revenue / yr: $176K–$211K; units × avg price
Conversion rate: 2.9%
Avg BSR: #695
Page quality: 0%
Prime: 76%
Sponsored: 65%
Out of stock: 0.8%
Avg brand age: 89 months
Avg seller age: 162 days

Competition & brand share

The top 5 products take 66% of clicks — established leaders, but buyers still shop beyond them.

Brands

10 falling

Sellers

108

Top-5 brand share

91%

Top 20: 100%

Top-5 click share

66%

Top 20: 100%

Open market

Oil Eater42%
Blaster23%
Zep14%
CRC6%
Simple Green5%
WD-40 Specialist3%
Open — no brand owns it (4 brands, 6%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -16.1% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.7×

Open Trend

Top parts washer solvent search terms

parts washer solvent42K/yr -22.9%2.8% conv.
parts cleaner solvent16K/yr -13.8%2.6% conv.
parts washer solvent 5 gallon4K/yr +82.8%1.2% conv.
stoddard solvent4K/yr -14.6%1.0% conv.
parts washer fluid5K/yr -26.0%3.9% conv.
parts cleaning solvent3K/yr -7.8%3.7% conv.
psc 1000 parts cleaner3K/yr -42.5%0.5% conv.
cleaning solvent3K/yr -21.0%1.3% conv.

All search terms

Top parts washer solvent 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 17 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Oil Eater Parts Washer Fluid Water-Based Heavy Duty pH Neutral Smart Microbe Safe Parts Cleaner Systems 5 Gallons

Oil Eater$83.764.2★79 rev

Blaster Parts Washer Parts Cleaner Solvent High Flashpoint Formula Cleans Oil Grease & Grime No Residue Works on Metals Most Plastics & Painted Surfaces 5Gallon

Blaster$109.834.5★120 rev

Oil Eater AOD5G35438 Original 5 Gallon Cleaner/Degreaser light yellow 640 Fl Oz (Pack of 1)

Oil Eater$58.344.7★616 rev

Blaster 128-PWS Industrial Strength Parts Washer Solvent

Blaster$38.264.4★115 rev

Zep Dyna 143 Parts Washer Solvent - 5 Gallon (1 Bucket) 36635 - Designed for use in Part Washes

Zep$173.284.6★95 rev

Newest

by launch date

Qucship Makes 9 Gallons Concentrated Ultrasonic Cleaner Solution - Safe for All Metals Ultrasonic Carburetor Cleaner Ultrasonic Cleaning Solution for Engine Parts Removes Dirt & Grease (1Gallon)

Qucship$36.32158 rev

1y ago

Oil Eater Parts Washer Fluid Water-Based Heavy Duty pH Neutral Smart Microbe Safe Parts Cleaner Systems 5 Gallons

Oil Eater$83.7679 rev

1y ago

DECOHS Parts Washer Brush with 31 Inch Hose- Wear Resistant Parts Cleaning Brush- Parts Cleaner Flow Through Replacement Brush for Parts Washing Cleaning

DECOHS$15.23392 rev

2y ago

NORTHWEST ENTERPRISES Ultrasonic Cleaner Solution for Carburetors and Engine Parts. Concentrated Washing Compound for use in Ultrasonic Machines and Immersion Washers - Automotive Fluid (1 Gallon)

NORTHWEST ENTERPRISES$44.162,519 rev

4y ago

Zep Dyna 143 Parts Washer Solvent - 5 Gallon (1 Bucket) 36635 - Designed for use in Part Washes

Zep$173.2895 rev

5y ago

What buyers say about parts washer solvent

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

What buyers love

Ease Of Cleaning27%

“Effective Cleaner”

Quality-Overall15%

“Better than average”

Smell11%

“Good smell”

Efficiency10%

“Does the job”

Advertised Vs Actual Product6%

“Works as advertised”

Value For Money5%

“Worth every penny”

Color4%

“Good color just wish they had it in gloss”

Strength3%

“Heavy duty”

Ease Of Use2%

“Easy to use”

Cleansing1%

“Excellent cleaner for general purpose ultrasonic cleaning”

What buyers complain about

Functionality-Overall15%

“Does not clean as described”

Ease Of Cleaning13%

“Does not clean as described”

Stain Resistance12%

“Also, may not take out the stain completely”

Leak-Proof7%

“The fluids is leaking through the container”

Durability6%

“fell off in about 3 hrs”

Smell5%

“Doesn't leave a pleasant smell”

Quality-Overall5%

“Trash”

Value For Money5%

“Way over priced”

Strength4%

“Did not work not strong enough”

Color2%

“it turned them blackish color”

Top return reasons

Leak-Proof22%

Functionality-Overall17%

Advertised Vs Actual Product13%

Stain Resistance8%

Value For Money7%

Wet Cleaning6%

Size-Overall4%

Defective Material/Parts3%

Ease Of Cleaning3%

De-Grease2%

Common questions

Is parts washer solvent profitable to sell on Amazon United States?: The niche generates $163K/yr across 17 tracked products. 90-day search growth is -16.1%. Flapen's verdict: Skip it (41/100).
How competitive is the parts washer solvent niche?: 10 brands and 108 sellers compete. The top 5 products take 66% of clicks and top 5 brands hold 91% of demand.
What do buyers complain about in parts washer solvent?: Top complaints mined from reviews: Functionality-Overall, Ease Of Cleaning, Stain Resistance. The return rate is 0.4%.
When does demand for parts washer solvent peak?: Demand is steady year-round — the busiest month runs 1.7× the quietest.
What does it cost to enter the parts washer solvent niche?: Listings span $10.54–$173.28; the average listing price is $70.49 (sweet spot $15–$100). The average incumbent carries 1,783 reviews — the moat a new listing must climb.