engine block heater
Skip itSoft demand (-89.9% this quarter) — this niche doesn't clear our bar today.
Review moat
Great114.84avg incumbent reviews — the moat a new listing must climb
Avg price
Great$60.94avg listing price — sweet spot $15–$100
Brand share
Great53%top-5 brand share — no brand owns this niche
Competition
Great38%top-5 click share — an open shelf
Quality gap
Great4.3★avg incumbent rating — lower means beatable quality
Price range
Good$12.86–$153.79cheapest to priciest tracked listing — scored on the share inside $15–$100
Returns
Okay3.4%return rate — above 6% kills the launch gate
Market size
Okay$110K$110K/yr · 340K searches
Conversion
Bad0.5%search→purchase rate — share of searches ending in a sale
Growth
Bad-89.9%90-day search growth — must beat 0% to launch
Competition
Clicks spread well past the top 5 (38% combined) — an open shelf where new products get seen.Brands
30 rising
Sellers
62
Top-5 brand share
53%
Open market
42%
- KAT'S14%
- Zerostart13%
- Orceed10%
- Noroeua9%
- KENUOS7%
- Rsept5%
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 49 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Kats - 1155X 1155 200 Watt Magnetic Heater
KAT'S$53.204.2★668 rev
Magnetic Engine Block Heater 300W for Universal Oil Pan Heater Fits Trucks Tractors Cars SUVs to Prevent Freezing Replacement for 1190X
Noroeua$58.044.2★25 rev
KENUOS 2PCS Engine Block Heater Oil Pan Heater Pad with Thermostat 120V 150W 4 X 5 Inch Super Strong Self-Adhesive Metal Surface Dipstick Engine Block Silicone Heating Pad with 68 Inch Long Power Cord
KENUOS$20.944.2★287 rev
1160 1160X Upgraded Magnetic Engine Block Heater 120V 400W Compatible with Many Vehicles Equipment Components Etc
Orceed$72.614.1★46 rev
Zerostart 3100024 Engine Block Heater for Chrysler Dodge Eagle Jeep Mitsubishi Toyota 35mm Diameter | CSA Approved | 120 Volts | 400 Watts
Zerostart$48.514.6★7 rev
Newest
by launch date
IRIEQU Engine Block Immersion Heater for Caterpillar 3406 3408 C9 C15 C16 for Detroit Diesel 50 60 6V-71 8V-71 for Navistar International V800 1500 for Perkins 640 Replaces 8605556
IRIEQU$50.270 rev
F7TZ-6A051-AA Engine Block Heater Compatible with Ford F150 F250 F350 F450 7.3L v8 1995-2003 fit for Powerstroke 7.3L 120V 1000W 3/4 NPT w/Heating Unit Cable Cord
Erchon$48.4112 rev
JEENDA Magnetic Engine Block Heater 1155x 1155 200w with 43in Power Cord Oil Pan Heater 120V Surface-Thermostat Control for Car Truck Tractors Diesel Vehicles and Other Equipment
JEENDA$41.178 rev
CZTHQP 1155/1155X Magnetic Engine Block Heater for Cars Small Engines Universal Portable Heater for Tractors Trucks Fast-Heating Oil Pan Heater for Diesel Vehicles Generators and Outdoor Equipment
CZTHQP$41.524 rev
Magnetic Engine Block Heater 300W for Universal Oil Pan Heater Fits Trucks Tractors Cars SUVs to Prevent Freezing Replacement for 1190X
Noroeua$58.0425 rev
Trending
90-day click momentumIRIEQU Engine Block Immersion Heater for Caterpillar 3406 3408 C9 C15 C16 for Detroit Diesel 50 60 6V-71 8V-71 for Navistar International V800 1500 for Perkins 640 Replaces 8605556
IRIEQU$50.270.0★
F7TZ-6A051-AA Engine Block Heater Compatible with Ford F150 F250 F350 F450 7.3L v8 1995-2003 fit for Powerstroke 7.3L 120V 1000W 3/4 NPT w/Heating Unit Cable Cord
Erchon$48.414.6★
JEENDA Magnetic Engine Block Heater 1155x 1155 200w with 43in Power Cord Oil Pan Heater 120V Surface-Thermostat Control for Car Truck Tractors Diesel Vehicles and Other Equipment
JEENDA$41.175.0★
Engine Block Heater Assembly Compatible with 1995-2003 Ford F-250 F-350 7.3L 445Cu In V8 Powerstroke Diesel - Replacement F7TZ-6A051-AA
telfair$54.384.2★
Induction Heater 1300W 110V Bolt Removal Handheld Magnetic Induction Heater Tool with 5 Coils for Rusty Screw Removing Red
KKSEVENS$153.794.2★
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -89.9% search growth over the last 90 days.Peak months: Jan, Feb, Nov, Dec · busiest ÷ quietest = 23.7×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“The build quality seems good”
“Great heater at a great price”
“Worth the money”
“Worked as advertised”
“it makes a noticeable difference”
“Easy to use”
“Fit great”
“Installation was quick”
“Great for the rust belt”
“Strong magnet”
What buyers complain about
“Small block heater NOT”
“Fell apart after a year”
“Poor quality”
“Didn't do the job”
“Not for large parts”
“Would make a very poor refrigerator magnet”
“Very little adhesive”
“Have a lot of rusted bolts on my truck”
“There are some limitations regarding the use”
“didnt work like the adds”