Is parts washer profitable to sell on Amazon United States?

The niche generates $379K/yr across 26 tracked products. 2 of 3 products launched in the last 360 days are still selling. 90-day search growth is -16.8%. Flapen's verdict: Skip it (47/100).

How competitive is the parts washer niche?

14 brands and 54 sellers compete. The top 5 products take 51% of clicks and top 5 brands hold 77% of demand.

What do buyers complain about in parts washer?

Top complaints mined from reviews: Durability, Quality-Overall, Functionality-Overall. The return rate is 2.3%.

When does demand for parts washer peak?

Demand is steady year-round — the busiest month runs 1.6× the quietest.

What does it cost to enter the parts washer niche?

Listings span $15.23–$434.43; the average listing price is $147.87 (sweet spot $15–$100). The average incumbent carries 278 reviews — the moat a new listing must climb.

parts washer

Skip it

Weak search conversion (0.9%) — this niche doesn't clear our bar today.

Review moat

Great277.62

avg incumbent reviews — the moat a new listing must climb

Quality gap

Good4.3★

avg incumbent rating — lower means beatable quality

Returns

Good2.3%

return rate — above 5% kills the launch gate

Avg price

Good$147.87

avg listing price — sweet spot $15–$100

Competition

Good51%

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

Market size

Good$379K

$379K/yr · 291K searches

Brand share

Okay77%

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

Price range

Bad$15.23–$434.43

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

Growth

Bad-16.8%

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

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, parts washer is a $379K/yr Amazon United States market (291K searches/yr). The top 5 brands hold 77% of demand. Verdict: Skip it — 47/100.

Data updated Jul 12, 2026 · scored weekly · How we score niches

parts washer market data

Units sold / yr: 3K–4K; avg 100–250/product
Revenue / yr: $444K–$591K; units × avg price
Conversion rate: 0.9%
Avg BSR: #573
Page quality: 0%
Prime: 46%
Sponsored: 81%
Out of stock: 9.9%
Avg brand age: 54 months
Avg seller age: 173 days

Competition & brand share

The top 5 products take 51% of clicks — established leaders, but buyers still shop beyond them.

Brands

14 falling

Sellers

Top-5 brand share

77%

Top 20: 100%

Top-5 click share

51%

Top 20: 94%

Open market

18%

JEGS25%
Jack Boss17%
redsun16%
Eastwood10%
VEVOR8%
MOTORHOT5%
Open — no brand owns it (8 brands, 18%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -16.8% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.6×

Open Trend

Top parts washer search terms

parts washer205K/yr -19.1%1.0% conv.
parts cleaner machine21K/yr +10.7%0.6% conv.
parts washers15K/yr -9.7%0.3% conv.
portable parts washer11K/yr -24.4%1.2% conv.
solvent tank8K/yr -31.0%1.1% conv.
heated parts washer6K/yr -8.5%0.2% conv.
part washer5K/yr +3.2%0.7% conv.
small parts washer5K/yr -9.4%0.9% conv.
solvent tank parts washer4K/yr -10.3%1.2% conv.
automotive parts washer4K/yr -30.3%1.5% conv.

All search terms

Top parts washer 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

Jack Boss 3.5 Gallon Capacity Portable Steel Cabinet Parts Washer with 110V Electric Pump for Wheel Bearings Gears and carburetors Red

Jack Boss$77.674.4★127 rev

JEGS 5-Gallon Portable Parts Washer | 3.5 Gallon Solvent Capacity | 3.96 Gallon Per Minute Max Pump Output | Heavy Duty Steel | Powder Coated Black with JEGS Logo

JEGS$72.384.5★443 rev

Red Sun Parts Washer 20 Gallon Cabinet Electric Solvent Pump Portable Automotive Parts Cleaner with Shelf Tank for Wheel Bearings Gears and carburetors

redsun$197.654.4★287 rev

JEGS 20 Gallon Parts Cleaner Solvent Tank - 12 Gallon Solvent Capacity - 2.64-3.17 Gallon Per Minute Max Pump Output - Heavy Duty Steel Powder Coated Black with JEGS Logo

JEGS$159.084.2★98 rev

20 Gallon Portable Cabinet Parts Washer Electric Solvent Pump

MOTORHOT$152.144.0★12 rev

Newest

by launch date

VEVOR Parts Washer 5-Gallon 3.5 Gallon Solvent Capacity 0.4 Gallon per Minute Max Pump Output Portable Steel Automotive Parts Cleaner with Electric Pump for Wheel Bearings Gears and Carburetors

VEVOR$69.799 rev

5mo ago

VEVOR Parts Washer 40-Gallon 17 Gallon Solvent Capacity 1 Gallon per Minute Max Pump Output Steel Cabinet Electric Pump Automotive Parts Washer Cleaner for Wheel Bearings Gears and Carburetors

VEVOR$317.051 rev

5mo ago

Jack Boss 5 Gallon Capacity Portable Plastic Automotive Parts Washer Cleaner to Degrease Small Parts and Tools 5 Gallon Capacity

Jack Boss$59.63127 rev

9mo ago

3.5 Gallon Capacity Portable Steel Cabinet Parts Washer with 110V Electric Pump for Wheel Bearings Gears and carburetors

Generic$79.0918 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

What buyers say about parts washer

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

What buyers love

Ease Of Cleaning18%

“nice little cleaner”

Quality-Overall17%

“Constructed decent”

Advertised Vs Actual Product14%

“Exactly what I needed”

Value For Money12%

“Well worth the Investment”

Size-Overall9%

“Nice size”

Efficiency8%

“Works ok”

Portability2%

“The more mobile it is, the more areas I am finding uses for the washer”

Durability2%

“hold up well”

Ease Of Use1%

“Clean and easy to use”

Gifting Purpose1%

“Great Gift”

What buyers complain about

Durability20%

“It broke after five minutes”

Quality-Overall10%

“Trash”

Functionality-Overall10%

“Does not clean as described”

Ease Of Cleaning8%

“making a mess”

Heating8%

“No heat”

Leak-Proof5%

“After about two weeks the hose became swollen and started leaking”

Value For Money4%

“Definitely not worth 100 for this small of a unit”

Ease Of Use3%

“Hard to use”

Maintenance And Repair3%

“in a way that could not be repaired”

Spray/Flow3%

“Does not contain spray”

Top return reasons

Size-Overall30%

Defective Material/Parts21%

Functionality-Overall11%

Heating7%

Product Condition5%

Leak-Proof4%

Advertised Vs Actual Product4%

Value For Money3%

Ease Of Cleaning2%

Touch/Button Controls2%

Common questions

Is parts washer profitable to sell on Amazon United States?: The niche generates $379K/yr across 26 tracked products. 2 of 3 products launched in the last 360 days are still selling. 90-day search growth is -16.8%. Flapen's verdict: Skip it (47/100).
How competitive is the parts washer niche?: 14 brands and 54 sellers compete. The top 5 products take 51% of clicks and top 5 brands hold 77% of demand.
What do buyers complain about in parts washer?: Top complaints mined from reviews: Durability, Quality-Overall, Functionality-Overall. The return rate is 2.3%.
When does demand for parts washer peak?: Demand is steady year-round — the busiest month runs 1.6× the quietest.
What does it cost to enter the parts washer niche?: Listings span $15.23–$434.43; the average listing price is $147.87 (sweet spot $15–$100). The average incumbent carries 278 reviews — the moat a new listing must climb.