fuel injector cleaner kit
Worth a lookShows a sweet-spot price point ($48.37 avg), but soft demand (-8.3% this quarter) keeps it on the watch list.
Avg price
Great$48.37avg listing price — sweet spot $15–$100
Review moat
Great230.84avg incumbent reviews — the moat a new listing must climb
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Brand share
Good71%top-5 brand share — brands hold most of the demand
Conversion
Good4.1%search→purchase rate — share of searches ending in a sale
Returns
Okay3.0%return rate — above 6% kills the launch gate
Competition
Okay55%top-5 click share — leaders hold, buyers still browse
Market size
Okay$232K$232K/yr · 117K searches
Price range
Okay$6.82–$269.96cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Bad-8.3%90-day search growth — must beat 0% to launch
Competition
The top 5 products take 55% of clicks — established leaders, but buyers still shop beyond them.Brands
11 falling
Sellers
13
Top-5 brand share
71%
Open market
22%
- THIKPO33%
- YUANRI14%
- Kawish8%
- PACLVIO8%
- allsun8%
- AUTOOL7%
Product shelf
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 19 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
THIKPO Universal Fuel Injector Tester and Cleaner Tool Kit DIY Cleaning Tool Kit 8 Pulse Modes 4 Wire Dual Channel for 2 Fuel Injectors 8 Size Cleaning Adapters 12V/5V Output Power
THIKPO$26.974.5★706 rev
Universal Fuel Injector Tester Cleaner Tool Kit 6 Size Cleaning Adapters 8 Pulse Modes Injector Tester 12V/5V Output Power Drive 4 Wire Dual Channel DIY Fuel Injector Cleaner Tools
YUANRI$21.474.3★234 rev
PACLVIO 4Pcs Fuel Injector Cleaner Kit Universal Fuel Injector Flush Cleaner Adapter DIY Cleaning Tool Kit with Test Lead for Car Fuel Injector Tester Fuel Pump Pressure Test
PACLVIO$8.114.2★159 rev
EM276SET Fuel Injector Tester & Adapter DIY Cleaning Tool Kit Set (Fuel Injector Tester + Adapter) Fuel System Cleaner Gasoline Engines
allsun$28.694.4★1,860 rev
AUTOOL Fuel Injector Cleaner Kit Fuel System Cleaner Non-dismantle Fuel Injector Cleaner Tester 1000ML 150PSI Automotive Intake Valve Manifold Throttle Body Catalytic Converter Cleaner
AUTOOL$77.664.5★177 rev
Newest
by launch date
YUANRI Fuel Injector Cleaner Kit Non-dismantle Automotive Fuel System Cleaning Kit 1000ML 150PSI Fuel Injector Cleaning Kit for Gasoline Car Intake Valve/Throttle Body/Catalytic Converter Cleaning
YUANRI$62.8713 rev
THIKPO Universal Fuel Injector Tester and Cleaner Tool Kit DIY Cleaning Tool Kit
THIKPO$29.1421 rev
Universal Fuel Injector Tester and Cleaner Tool Kit DIY Cleaning Tool Kit for PWM Adjustable Pulse Width Freq & Count 5 Modes 6 Size Cleaning Adapters 12V/5V Output Power
Kawish$26.33196 rev
MR CARTOOL Fuel Injector Cleaner Kit 150PSI Automotive Fuel System Cleaning Kit for for Gasoline Injectors C100 Non-dismantle Fuel Injector Cleaner Machine for Auto Catalytic Converter/Intake Valve
MR CARTOOL$77.865 rev
THIKPO Fuel Injector Tester and Cleaner Tool Kit DIY Cleaning Tool Kit 8 Pulse Modes for Injector Tester 2 Fuel Injectors Simultaneously Test 4 Size Cleaning Adapters 12V/5V Output Power
THIKPO$24.2298 rev
Trending
90-day click momentumYUANRI Fuel Injector Cleaner Kit Non-dismantle Automotive Fuel System Cleaning Kit 1000ML 150PSI Fuel Injector Cleaning Kit for Gasoline Car Intake Valve/Throttle Body/Catalytic Converter Cleaning
YUANRI$62.874.7★
MR CARTOOL Fuel Injector Cleaner Kit 150PSI Automotive Fuel System Cleaning Kit for for Gasoline Injectors C100 Non-dismantle Fuel Injector Cleaner Machine for Auto Catalytic Converter/Intake Valve
MR CARTOOL$77.864.6★
THIKPO Universal Fuel Injector Tester and Cleaner Tool Kit DIY Cleaning Tool Kit
THIKPO$29.143.8★
MR CARTOOL V308 Injector Cleaner Machine 4-Cylinder 110V Injector Cleaner Tester Machine Heated Ultrasonic Fuel System Injection Cleaning Kit for Gasoline Car Motorcycle
MR CARTOOL$269.964.6★
Fuel Injector Tester Cleaner Kit Universal with Short Circuit Protection 8 Pulse Modes Dual Voltage 5V/12V 40in Cord for Auto/Moto DIY Injector Tester Cleaning Tools
MR CARTOOL$22.184.4★
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -8.3% search growth over the last 90 days.Peak months: Apr, May, Jun · busiest ÷ quietest = 2.1×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“The build quality is solid”
“Excellent value”
“It does work”
“Works as advertised”
“easy to read”
“Also good for cleaning injectors”
“Fuel injector cleaner”
“Nice features and level of functionality,”
“doesnt make any spills”
“Good assortment of sizes”
What buyers complain about
“you are going to cause a mess”
“Works poorly”
“Tester is garbage”
“They are the wrong size for any can of cleaner you use”
“Took a little fiddling around to figure out how to use it”
“air pressure adjuster didn't work at all to regulate, and then as I was adjusting, the entire thing came apart in my hand”
“Adapters leak like crazy”
“This tool quit working after only a few usages, screen and controls stopped working”
“Works, cheap materials used in construction”
“Works cheaper”