---
title: "Parts Washer Solvent — $163K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/automotive/parts-washer-solvent"
last_updated: "2026-08-10T10:32:39.413Z"
locale: en
meta:
description: "Niche score 41/100 · $163K/yr market · 79K searches/yr · $70.49 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 41/100 · $163K/yr market · 79K searches/yr · $70.49 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Parts Washer Solvent — $163K/yr Amazon US Niche (2026) - Flapen"
---
# **parts washer solvent**
**Skip it**
Soft demand (-16.1% this quarter) — this niche doesn't clear our bar today.
Market size 34Growth 17Conversion 37Competition 32Returns 98Price range 52Avg price 86Brand share 22Review moat 47Quality gap 33
**Returns**
**Incredible****0.4%**
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**
**Okay****1,783.18**
avg incumbent reviews — the moat a new listing must climb
**Conversion**
**Okay****2.9%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Okay****$163K**
$163K/yr · 79K searches
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Competition**
**Okay****66%**
top-5 click share — leaders hold, buyers still browse
**Brand share**
**Bad****91%**
top-5 brand share — brand-locked demand
**Growth**
**Bad****-16.1%**
90-day search growth — must beat 0% to launch
**Signals**[** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")
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 ~~](https://flapen.com/research/methodology)
## **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**
**6%**
- 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.
3K2KSpike '24Black Friday '24Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.7×
[**Open Trend **](https://flapen.com/research/us/automotive/parts-washer-solvent/trend)
## **Top parts washer solvent search terms**
- **parts washer solvent**42K/yr-22.9%2.8% conv. - **parts cleaner solvent**16K/yr-13.8%2.6% conv. - **parts washer solvent 5 gallon**4K/yr+82.8%1.2% conv. - **stoddard solvent**4K/yr-14.6%1.0% conv. - **parts washer fluid**5K/yr-26.0%3.9% conv. - **parts cleaning solvent**3K/yr-7.8%3.7% conv. - **psc 1000 parts cleaner**3K/yr-42.5%0.5% conv. - **cleaning solvent**3K/yr-21.0%1.3% conv. [**All search terms **](https://flapen.com/research/us/automotive/parts-washer-solvent/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.
0%10%$16K20%$33K30%$49K40%$65K1101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
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
[1**Oil Eater Parts Washer Fluid Water-Based Heavy Duty pH Neutral Smart Microbe Safe Parts Cleaner Systems 5 Gallons**Oil Eater**$83.76**4.2★79 rev](https://www.amazon.com/dp/B0DJPRMKRQ) [2**Blaster Parts Washer Parts Cleaner Solvent High Flashpoint Formula Cleans Oil Grease & Grime No Residue Works on Metals Most Plastics & Painted Surfaces 5Gallon**Blaster**$109.83**4.5★120 rev](https://www.amazon.com/dp/B00HF40N06) [3**Oil Eater AOD5G35438 Original 5 Gallon Cleaner/Degreaser light yellow 640 Fl Oz (Pack of 1)**Oil Eater**$58.34**4.7★616 rev](https://www.amazon.com/dp/B000EANNDM) [4**Blaster 128-PWS Industrial Strength Parts Washer Solvent**Blaster**$38.26**4.4★115 rev](https://www.amazon.com/dp/B009AG63S8) [5**Zep Dyna 143 Parts Washer Solvent - 5 Gallon (1 Bucket) 36635 - Designed for use in Part Washes**Zep**$173.28**4.6★95 rev](https://www.amazon.com/dp/B08FQMB5JN)
**~~View all top sellers →~~**
### **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**$36.32**158 rev1y ago](https://www.amazon.com/dp/B0DY7NTMXG) [**Oil Eater Parts Washer Fluid Water-Based Heavy Duty pH Neutral Smart Microbe Safe Parts Cleaner Systems 5 Gallons**Oil Eater**$83.76**79 rev1y ago](https://www.amazon.com/dp/B0DJPRMKRQ) [**DECOHS Parts Washer Brush with 31 Inch Hose- Wear Resistant Parts Cleaning Brush- Parts Cleaner Flow Through Replacement Brush for Parts Washing Cleaning**DECOHS**$15.23**392 rev2y ago](https://www.amazon.com/dp/B0CSNLJ1FD) [**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**$44.16**2,519 rev4y ago](https://www.amazon.com/dp/B09KK6KR3Z) [**Zep Dyna 143 Parts Washer Solvent - 5 Gallon (1 Bucket) 36635 - Designed for use in Part Washes**Zep**$173.28**95 rev5y ago](https://www.amazon.com/dp/B08FQMB5JN)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Zep Dyna 143 Parts Washer Solvent - 5 Gallon (1 Bucket) 36635 - Designed for use in Part Washes**Zep**$173.28**4.6★**▲ 109%**](https://www.amazon.com/dp/B08FQMB5JN) [**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**$36.32**4.6★**▲ 74%**](https://www.amazon.com/dp/B0DY7NTMXG) [**Blaster Parts Washer Parts Cleaner Solvent High Flashpoint Formula Cleans Oil Grease & Grime No Residue Works on Metals Most Plastics & Painted Surfaces 5Gallon**Blaster**$109.83**4.5★**▲ 25%**](https://www.amazon.com/dp/B00HF40N06) [**Oil Eater AOD5G35438 Original 5 Gallon Cleaner/Degreaser light yellow 640 Fl Oz (Pack of 1)**Oil Eater**$58.34**4.7★**— 7%**](https://www.amazon.com/dp/B000EANNDM) [**WD-40 Specialist Cleaner & Degreaser Multi-Surface Cleaning Solution One Gallon**WD-40 Specialist**$14.22**4.5★**— 3%**](https://www.amazon.com/dp/B06ZYF1JSX)
**~~View all trending →~~**
## **What buyers say about parts washer solvent**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Ease Of Cleaning**27%
*“Effective Cleaner”*
**Quality-Overall**15%
*“Better than average”*
**Smell**11%
*“Good smell”*
**Efficiency**10%
*“Does the job”*
**Advertised Vs Actual Product**6%
*“Works as advertised”*
**Value For Money**5%
*“Worth every penny”*
**Color**4%
*“Good color just wish they had it in gloss”*
**Strength**3%
*“Heavy duty”*
**Ease Of Use**2%
*“Easy to use”*
**Cleansing**1%
*“Excellent cleaner for general purpose ultrasonic cleaning”*
### **What buyers complain about **
**Functionality-Overall**15%
*“Does not clean as described”*
**Ease Of Cleaning**13%
*“Does not clean as described”*
**Stain Resistance**12%
*“Also, may not take out the stain completely”*
**Leak-Proof**7%
*“The fluids is leaking through the container”*
**Durability**6%
*“fell off in about 3 hrs”*
**Smell**5%
*“Doesn't leave a pleasant smell”*
**Quality-Overall**5%
*“Trash”*
**Value For Money**5%
*“Way over priced”*
**Strength**4%
*“Did not work not strong enough”*
**Color**2%
*“it turned them blackish color”*
### **Top return reasons **
**Leak-Proof**22%
**Functionality-Overall**17%
**Advertised Vs Actual Product**13%
**Stain Resistance**8%
**Value For Money**7%
**Wet Cleaning**6%
**Size-Overall**4%
**Defective Material/Parts**3%
**Ease Of Cleaning**3%
**De-Grease**2%
## **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.
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