Diesel Compression Tester
FailDemand is soft, at -8.3% this quarter, so Diesel Compression Tester is a Fail.
- Flapen Score
- 45 / 100Ranks 4,788 of 7,287 Automotive niches · −4 vs the category median of 4945
- Market size
- $138K/yr42K searches / yr
- 90-day growth
- -8.3%search demand this quarter
- Competition
- 60%top-5 click share · 19 brands · 46 sellers
Flapen Score
Diesel Compression Tester against its category
The dotted line is the Automotive average. Past it, Diesel Compression Tester is stronger. Inside it, weaker.
Market
The Diesel Compression Tester market on Amazon at a glance
Shoppers on Amazon United States searched for Diesel Compression Tester 42K times last year and spent an estimated $138K. The top 5 brands take 70% of clicks. Flapen scores it 45 out of 100, a Fail.
01 · Demand
An estimated 3.4% of those searches ended in a purchase.
Shoppers searched for this 42K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 3.4% of those searches ended in a purchase. Searches in the last 90 days moved -8.3% against the 90 days before. Searches, conversion and average price together put the market at an estimated $138K a year.
- Searches, last 12 months
- 42K
- Growth, 90 days vs prior 90
- -8.3%
- Conversion, latest week
- 3.4%
- Market size, estimated
- $138Ka year
- Peak month
- March1.4× the quietest month
- Top search term
- diesel compression tester25K searches a year
02 · Price
A sale here is worth $96.34.
Listings sell for $96.34 on average, from $31.07 to $219.89. Amazon reports units sold in ranges. This niche sold 2K to 2K a year. The average listing sells 0 to 100 of them. At $96.34 that is $0 to $10K a year per listing.
- Average price
- $96.34inside the $15 to $100 sweet spot
- Price range
- $31.07–$219.89
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 2K–2K
- Units per listing a year
- 0–100
- Revenue per listing a year
- $0–$10K
- Returns
- 4.0%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is ads.
95% of listings pay for placement with sponsored ads. 95% ship with Prime. On an average day, 12.5% of listings are out of stock. The average listing ranks #914 within Diagnostic, Test & Measurement Tools. It carries 253 reviews at 4.28 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 95%
- Prime listings
- 95%
- Out of stock, average day
- 12.5%
- Average rank
- #914in Diagnostic, Test & Measurement Tools
- Average rating
- 4.28 starsAmazon United States average 4.42 stars
- Average reviews
- 253per listing
- Listings tracked
- 21
04 · Newcomers
5 of last year's 6 launches cleared the first-year sales bar.
6 products launched here in the last 12 months. 5 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 60 months on average, so the names here are established.
- Launched, last 12 months
- 6
- Successful launches
- 5Amazon's first-year sales bar
- Average brand age
- 60 months
Products
Top Diesel Compression 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
DAYUAN 17Pcs Diesel Engine Compression Tester Tool Automotive Compressor
- Price
- $36.79
- Rating
- 4.3/5
- Reviews
- 818
- Age
- 7y ago

Yonligonju 17pc Diesel Engine Compression Tester Kit Diesel Compression Tester Cylinder Pressure Gauge for Diesel Cars and Trucks(red)
- Price
- $32.12
- Rating
- 4.3/5
- Reviews
- 57
- Age
- 1y ago

Orion Motor Tech Diesel Engine Compression Tester 18pc Compression Tester Kit for Diesel Engines Adjustable Diesel Pressure Tester Kit with Pressure Gauge Spark Glow Plug Injector Adapters
- Price
- $42.26
- Rating
- 3.9/5
- Reviews
- 17
- Age
- 1y ago

Orion Motor Tech 51pc Compression and Leakage Tester Kit for Petrol & Diesel Engines Cylinder Leak Down Test Kit with Dual Pressure Gauge Adapters Hoses & Quick Couplers for HDi TDCi & PD Engines
- Price
- $135.60
- Rating
- 4.3/5
- Reviews
- 1,866
- Age
- 7mo ago

Bicos Diesel Engine Compression Tester Kit with 0-1000 psi Gauge and Adapters Cylinder Pressure Test Tool Kit Diesel Injector Tester Check Cylinders in Diesel Car & Truck
- Price
- $36.65
- Rating
- 4.3/5
- Reviews
- 74
- Age
- 2y ago
Trending
estimated 90-day click momentum
Orion Motor Tech 51pc Compression and Leakage Tester Kit for Petrol & Diesel Engines Cylinder Leak Down Test Kit with Dual Pressure Gauge Adapters Hoses & Quick Couplers for HDi TDCi & PD Engines
- Price
- $135.60
- Rating
- 4.3/5
- Reviews
- 1,866
- Age
- 7mo ago

PMD Products Diesel Engine Compression Pressure Tester is Compatible with Repair and Replace on GM Duramax Ford Powerstroke Cummins International NAVISTAR Detroit CAT Perkins Engines 1000PSI
- Price
- $118.76
- Rating
- 4.2/5
- Reviews
- 53
- Age
- 13y ago

Diesel Engine Compression Tester Kit with 0-1000 psi Gauge and Adapters Cylinder Pressure Test Tool Kit Diesel Injector Tester Check Cylinders in Diesel Car & Truck
- Price
- $41.15
- Rating
- 4.3/5
- Reviews
- 6
- Age
- 1y ago

Diesel Compression Tester Kit 47pcs Petrol & Diesel Engine Compression Tester Small Engine Cylinder Leak Down Tester with Compression Gauge Leak Detector Gloves for HDI/TDCi/Pumpe Duse Engine
- Price
- $124.79
- Rating
- 4.8/5
- Reviews
- 7
- Age
- 6mo ago

Shankly Diesel Engine Compression Tester Automotive Fuel Pressure Tester Kit Engine Compression Gauges Tool 1000 PSI with Cylinder Compression Tester Hose - Comes with Carrying Case
- Price
- $31.07
- Rating
- 4.1/5
- Reviews
- 82
- Age
- 6y ago
Newest
by launch date
Diesel Compression Tester Kit 47pcs Petrol & Diesel Engine Compression Tester Small Engine Cylinder Leak Down Tester with Compression Gauge Leak Detector Gloves for HDI/TDCi/Pumpe Duse Engine
- Price
- $124.79
- Rating
- 4.8/5
- Reviews
- 7
- Age
- 6mo ago

46PCS Compression and Leakage Test Kit Petrol & Diesel Dual Gauge Engine Compression Tester for HDI TDCi Pumpe Duse Engine Automotive Cylinder Leak Down Tester with Dual-Scale Diesel Pressure Gauge
- Price
- $130.99
- Rating
- 5.0/5
- Reviews
- 3
- Age
- 6mo ago

Orion Motor Tech 51pc Compression and Leakage Tester Kit for Petrol & Diesel Engines Cylinder Leak Down Test Kit with Dual Pressure Gauge Adapters Hoses & Quick Couplers for HDi TDCi & PD Engines
- Price
- $135.60
- Rating
- 4.3/5
- Reviews
- 1,866
- Age
- 7mo ago

KTTOOL 47PCS Compression and Leakage Test Kit Petrol & Diesel Compression Tester Kit Automotive Cylinder Leak Down Tester with Dual Gauge Engine Compression Tester Kit for HDI TDCi Pumpe Duse Engine
- Price
- $124.28
- Rating
- 4.5/5
- Reviews
- 13
- Age
- 7mo ago

XSTARYE 46PCS Automotive Compression Tester Kit with Dual-Dial Gauge Gasoline & Diesel Compression Tester Set Cylinder Leak Down Tester for HDI TDCi Pump Duse (PD) (1/4 US Standard Air Inlet)
- Price
- $128.05
- Rating
- 4.6/5
- Reviews
- 11
- Age
- 7mo ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 60% of clicks. Leaders hold, but buyers still shop past them.
Brands
19 rising
Sellers
46
Est. top-5 brand share
70%
Top 20: 100%
Est. top-5 click share
60%
Top 20: 99%
Open market
25%
- DAYUAN20%
- Orion Motor Tech20%
- Yonligonju16%
- Bicos8%
- DUOYI5%
- Prokomon5%
Demand
Diesel Compression Tester search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.4×
Search terms
Top Diesel Compression Tester search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- diesel compression tester25K/yr
- diesel compression tester kit13K/yr
- diesel engine compression tester5K/yr
Reviews and returns
What reviews say buyers love and hate about Diesel Compression Tester
We read the reviews and the return reasons for every product selling here.
“Does not work with 7.3 power stroke”
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.
16 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 Diesel Compression 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









