Engine Oil Quality Tester
FailShoppers spend an estimated $10K a year here, so Engine Oil Quality Tester is a Fail.
- Flapen Score
- 44 / 100Ranks 5,081 of 7,287 Automotive niches · −5 vs the category median of 4944
- Market size
- $10K/yr26K searches / yr
- 90-day growth
- -22.7%search demand this quarter
- Competition
- 59%top-5 click share · 19 brands · 33 sellers
Flapen Score
Engine Oil Quality Tester against its category
The dotted line is the Automotive average. Past it, Engine Oil Quality Tester is stronger. Inside it, weaker.
Market
The Engine Oil Quality Tester market on Amazon at a glance
Shoppers on Amazon United States searched for Engine Oil Quality Tester 26K times last year and spent an estimated $10K. The top 5 brands take 67% of clicks. Demand peaks in Feb. Flapen scores it 44 out of 100, a Fail.
01 · Demand
An estimated 1.3% of those searches ended in a purchase.
Shoppers searched for this 26K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 1.3% of those searches ended in a purchase. Searches in the last 90 days moved -22.7% against the 90 days before. Searches, conversion and average price together put the market at an estimated $10K a year.
- Searches, last 12 months
- 26K
- Growth, 90 days vs prior 90
- -22.7%
- Conversion, latest week
- 1.3%
- Market size, estimated
- $10Ka year
- Peak month
- February2.1× the quietest month
- Top search term
- engine oil tester5K searches a year
02 · Price
A sale here is worth $30.33.
Listings sell for $30.33 on average, from $5.63 to $41.82. Amazon reports units sold in ranges. This niche sold 500 to 750 a year. The average listing sells 0 to 100 of them. At $30.33 that is $0 to $3K a year per listing.
- Average price
- $30.33inside the $15 to $100 sweet spot
- Price range
- $5.63–$41.82
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 500–750
- Units per listing a year
- 0–100
- Revenue per listing a year
- $0–$3K
- Returns
- 1.4%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is ads.
90% of listings pay for placement with sponsored ads. 86% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #843 within Lighting & Electrical. It carries 104 reviews at 4.42 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 90%
- Prime listings
- 86%
- Out of stock, average day
- 0.0%
- Average rank
- #843in Lighting & Electrical
- Average rating
- 4.42 starsAmazon United States average 4.42 stars
- Average reviews
- 104per listing
- Listings tracked
- 21
04 · Newcomers
0 of last year's 8 launches cleared the first-year sales bar.
8 products launched here in the last 12 months. 0 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 48 months on average, so the names here are settling in.
- Launched, last 12 months
- 8
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 48 months
Products
Top Engine Oil Quality Tester products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 11, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Engine Oil Tester Gasoline & Diesel Engine Oil Quality Tester Analyzer Detector High-precision Car Engine Oil Diagnostic Tool with 50inch Flexible Probe Identifier&Sound Prompt 2.8in Backlight Display
- Price
- $37.24
- Rating
- 4.5/5
- Reviews
- 142
- Age
- 2y ago

AUTOOL Engine Oil Tester Gasoline & Diesel Engine Oil Quality Tester Kit Quick Testing Transmittance and Temperature with 31.5 inch Flexible Probe 2.8-inch Backlit Display
- Price
- $41.82
- Rating
- 4.4/5
- Reviews
- 102
- Age
- 1y ago

XusLFR Engine Oil Diagnostics Tool Oil Tester Fluid Analyzers Oil Detector Engine Diagnosis
- Price
- $28.55
- Rating
- 4.5/5
- Reviews
- 2
- Age
- 9mo ago

Engine Oil Tester for Gasoline and Diesel Vehicles Engine Oil Quality Tester High Precision Analyzer with 2.8 Backlit Display 31.5 PTFE Hose Temperature & Transmittance Display
- Price
- $38.04
- Rating
- 3.7/5
- Reviews
- 13
- Age
- 6mo ago

Engine Oil Tester Gasoline & Diesel Engine Oil Quality Tester 50-Inch Extended Probe & Fast Response High-Precision Analysis Kit with 2.8In LCD Display Temp Display for Most Vehicles
- Price
- $34.83
- Rating
- 4.9/5
- Reviews
- 18
- Age
- 7mo ago
Trending
estimated 90-day click momentum
Labetue 12V Analyzers Car Fluid Analyzers Engine Oil Detector Oil Tester Engine Diagnosis
- Price
- $29.58
- Rating
- 0.0/5
- Reviews
- 0
- Age
- 1y ago

YUANRI Engine Oil Tester Gasoline & Diesel Engine Oil Quality Tester 50-Inch Extended Probe Engine Oil Analyzer with 2.8 LCD Fast Respons for Vehicles Motorcycle
- Price
- $32.67
- Rating
- 4.6/5
- Reviews
- 2
- Age
- 7mo ago

Quealzara Engine Oil Dipstick Compatible with Toyota Camry/Solara 2002-2006 Replaces 917-396 153010H012 Engine Oil Level Dipstick Indicator
- Price
- $10.23
- Rating
- 4.3/5
- Reviews
- 38
- Age
- 1y ago

Engine Oil Tester for Gasoline and Diesel Vehicles Engine Oil Quality Tester High Precision Analyzer with 2.8 Backlit Display 31.5 PTFE Hose Temperature & Transmittance Display
- Price
- $38.04
- Rating
- 3.7/5
- Reviews
- 13
- Age
- 6mo ago

XusLFR Engine Oil Diagnostics Tool Oil Tester Fluid Analyzers Oil Detector Engine Diagnosis
- Price
- $28.55
- Rating
- 4.5/5
- Reviews
- 2
- Age
- 9mo ago
Newest
by launch date
AUTOOL AS507 Power Steering Fluid Tester Light Transmittance Oil Quality Tester Power Steering Oil Aging & Contamination Detector with LCD Display for Automotive Maintenance
- Price
- $41.66
- Rating
- 4.8/5
- Reviews
- 10
- Age
- 5mo ago

Engine Oil Quality Tester with 50 Long Test Probe Gasoline & Diesel Engine Oil Tester High-Precision Transmittance/Temperature Measurement for Motorcycle Automotive Professional Diagnostic Tools
- Price
- $36.12
- Rating
- 4.2/5
- Reviews
- 16
- Age
- 6mo ago

Engine Oil Tester for Gasoline and Diesel Vehicles Engine Oil Quality Tester High Precision Analyzer with 2.8 Backlit Display 31.5 PTFE Hose Temperature & Transmittance Display
- Price
- $38.04
- Rating
- 3.7/5
- Reviews
- 13
- Age
- 6mo ago

Engine Oil Tester Gasoline & Diesel Engine Oil Quality Tester 50-Inch Extended Probe & Fast Response High-Precision Analysis Kit with 2.8In LCD Display Temp Display for Most Vehicles
- Price
- $34.83
- Rating
- 4.9/5
- Reviews
- 18
- Age
- 7mo ago

YUANRI Engine Oil Tester Gasoline & Diesel Engine Oil Quality Tester 50-Inch Extended Probe Engine Oil Analyzer with 2.8 LCD Fast Respons for Vehicles Motorcycle
- Price
- $32.67
- Rating
- 4.6/5
- Reviews
- 2
- Age
- 7mo ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 59% of clicks. Leaders hold, but buyers still shop past them.
Brands
19 rising
Sellers
33
Est. top-5 brand share
67%
Top 20: 100%
Est. top-5 click share
59%
Top 20: 99%
Open market
29%
- KAISAL26%
- AUTOOL18%
- XusLFR10%
- EVSTUL7%
- RALBIL6%
- Autory5%
Demand
Engine Oil Quality Tester search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Feb · busiest ÷ quietest = 2.1×
Search terms
Top Engine Oil Quality Tester search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- engine oil tester5K/yr
- engine oil quality tester6K/yr
- oil tester5K/yr
- medidor de aceite de motor6K/yr
- probador de aceite de motor4K/yr
Reviews and returns
What reviews say buyers love and hate about Engine Oil Quality Tester
We read the reviews and the return reasons for every product selling here.
“It is hard to tell the accuracy. yet”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
18 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Engine Oil Quality Tester questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









