marine tachometer
Worth a lookShows a sweet-spot price point ($40.08 avg), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Avg price
Incredible$40.08avg listing price — sweet spot $15–$100
Growth
Great+105.6%90-day search growth — must beat 0% to launch
Quality gap
Great4.0★avg incumbent rating — lower means beatable quality
Review moat
Great349.08avg incumbent reviews — the moat a new listing must climb
Competition
Great35%top-5 click share — an open shelf
Price range
Great$9.20–$118.68cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Good63%top-5 brand share — brands hold most of the demand
Returns
Good2.8%return rate — above 6% kills the launch gate
Conversion
Bad1.6%search→purchase rate — share of searches ending in a sale
Market size
Bad$29K$29K/yr · 46K searches
Competition
Clicks spread well past the top 5 (35% combined) — an open shelf where new products get seen.Brands
25 rising
Sellers
123
Top-5 brand share
63%
Open market
28%
- ARTILAURA18%
- MAIMEIMI14%
- Runleader13%
- Geloo10%
- Sierra8%
- SeaStar8%
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 51 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
MAIMEIMI Tachometer Gauge 7 Color 0-6000 RPM Tacho Meter 85mm 3 3/8 for Auto Boat Marine Vehicle for 1-10 Cylinder Diesel and Gasoline EngineBlack
MAIMEIMI$34.293.7★65 rev
Runleader RL-HM011F Digital Hour Meter Small Engine Tachometer
Runleader$14.204.3★4,331 rev
Sierra International 58255P Tach 7K - Amega 3 Black
Sierra$86.554.7★344 rev
ARTILAURA Tachometer Boat Tacometro 85mm 3-3/8 7 Color LED 8000 RPM Gauge for Car AUTO Marine Truck 9-32V (Black)
ARTILAURA$37.223.5★147 rev
SeaStar 68399P Tach 7K Eclipse 3
SeaStar$91.924.6★136 rev
Newest
by launch date
Digital Engine Tachometer & Hour Meter Mini Tach Gauge with Clip & Backlight Display Inductive for Gas Small Engine Lawn Mower RV Chainsaws Outboard Motor
LEOMAUNYX$23.0320 rev
Digital Tachometer Hour Meter with RPM Alarm IPX68 Waterproof Small Engine Tachometer Replaceable Battery Inductive RPM Gauge for Motorcycle Chainsaw Mower ATV Marine
EXCECAR$22.7822 rev
JDMEXEV Car Tachometer Tacho Gauge 0-9999 RPM Gauge Meter Kit 2inch 52mm for Boat Marine Car Truck Vehicle Automotive
JDMEXEV$19.514 rev
Small Engine Tachometer Tachometer for Small Engines Digital Tachometer Motorcycle Chainsaw Lawn Mower Snowmobile Kart Marine ATV Boat - RPM Meter and Hour Gauge
HFWHOK$22.6070 rev
MAIMEIMI RPM Tachometer Gauge for Car 0-6000 RPM 3-3/8 85mm Waterproof RPM Gauge 12V/24V Pulse Tach Meter for Gasoline Diesel & Outboard Engine 1-10 Cylinder
MAIMEIMI$35.794 rev
Trending
90-day click momentumDigital Engine Tachometer & Hour Meter Mini Tach Gauge with Clip & Backlight Display Inductive for Gas Small Engine Lawn Mower RV Chainsaws Outboard Motor
LEOMAUNYX$23.033.7★
RACETECH 85mm 10000 RPM Electrical Tachometer - White Dial
RACETECH$48.684.6★
MH Tachometer 2-1/6 52mm 8000 Tach Boat RPM Gauge 7 Color Waterproof for AUTO Car Truck MarineBlack
MH$32.564.0★
SeaStar 68374P Tach 7K Arctic 3
SeaStar$92.234.6★
MAIMEIMI RPM Tachometer Gauge for Car 0-6000 RPM 3-3/8 85mm Waterproof RPM Gauge 12V/24V Pulse Tach Meter for Gasoline Diesel & Outboard Engine 1-10 Cylinder
MAIMEIMI$35.794.1★
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +105.6% search growth over the last 90 days.Peak months: May, Jun, Jul, Aug · busiest ÷ quietest = 4.4×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“It looks okay, installed okay,”
“It functions correctly”
“It has good features”
“Easy to use”
“Works as it should”
“Cheap price”
“Repeatable and seems accurate”
“easy to mount”
“Works”
“Good buy still works almost ready for a battery change”
What buyers complain about
“No way to tell if the display is accurate”
“Did not work”
“Not to accurate instructions were as most are”
“CHEAP”
“Stops working after about a week”
“I saw that many people complained about the battery not lasting very long”
“Not waterproof”
“Order another even cheaper one”
“Misleading description”
“Does not work on 8 cylinder engines”