duramax block heater cord
Skip itSoft demand (-93.1% this quarter) — this niche doesn't clear our bar today.
Review moat
Incredible25avg incumbent reviews — the moat a new listing must climb
Avg price
Incredible$39.33avg listing price — sweet spot $15–$100
Price range
Great$8.51–$54.44cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Brand share
Okay76%top-5 brand share — brands hold most of the demand
Conversion
Okay3.6%search→purchase rate — share of searches ending in a sale
Returns
Okay4.9%return rate — above 6% kills the launch gate
Competition
Bad76%top-5 click share — a locked-up shelf
Market size
Bad$45K$45K/yr · 31K searches
Growth
Bad-93.1%90-day search growth — must beat 0% to launch
Competition
The top 5 products capture 76% of clicks — a locked-up shelf that new listings rarely crack.Brands
9 rising
Sellers
12
Top-5 brand share
76%
Open market
17%
- DZQPPC25%
- XYgdhqpt19%
- UAUSE13%
- Kozlira11%
- IXMGA8%
- Minoway7%
- Open — no brand owns it (3 brands, 17%)
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 9 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
84564686 Engine Block Coolant Heater Cable Cord for Chevy Silverado 1500/LD/LTD 2019-2023 for Buick Cadillac 2019-2022 for GM Chevy Silverado 2500/3500 HD Duramax Trucks 2020-2024
DZQPPC$48.854.4★21 rev
XYgdhqpt 84564686 Block Heater CableEngine Coolant Heater Cable Compatible With 2019-2023 Chevrolet Silverado 1500/LD/LTD 2020-2024 GM Chevy Silverado 2500/3500 HD Duramax Trucks 19-22 Buick Cadillac
XYgdhqpt$50.672.9★74 rev
84564686 Block Heater CableEngine Coolant Heater Cable Compatible with Chevrolet 2019-2023 Silverado 1500/LD/LTD 2020-2024 GM 2500/3500 HD Duramax Trucks for Buick Cadillac 2019-2022
UAUSE$50.834.6★26 rev
Kozlira 84564686 Engine Block Coolant Heater Cable Cord Compatible with Chevy Silverado 1500/LD/LTD 2019-2023 Silverado 2500/3500 HD Duramax Trucks 2020-2024
Kozlira$54.444.2★38 rev
IXMGA 84564686 90 Inches Engine Coolant Heater Cord
IXMGA$39.194.6★21 rev
Newest
by launch date
84564686 Engine Coolant Heater Cable Cord for Chevy Silverado 1500/LD/LTD 2019-2023 Silverado 2500/3500 HD Duramax Trucks 2020-2024 GMC Sierra 2019-2024
haizusai$34.434 rev
84564686 Block Heater Cable Cord Compatible with Chevy Silverado 1500/LD/LTD 2019-2023 Buick Cadillac 2019-2022 GM Chevy Silverado 2500/3500 HD Duramax Trucks 2020-2024
Hzsyserth$8.512 rev
MINOWAY 84564686 Engine Coolant Heater Cable Compatible with 2019-2024 Chevy Silverado 1500 2500 3500 HD DuramaxEngine Block Heater Cord Replace Aceessory fit for GMC Sierra Yukon Buick Cadillac
Minoway$49.2220 rev
84564686 Engine Block Coolant Heater Cable Cord for Chevy Silverado 1500/LD/LTD 2019-2023 for Buick Cadillac 2019-2022 for GM Chevy Silverado 2500/3500 HD Duramax Trucks 2020-2024
DZQPPC$48.8521 rev
84564686 Block Heater CableEngine Coolant Heater Cable Compatible with Chevrolet 2019-2023 Silverado 1500/LD/LTD 2020-2024 GM 2500/3500 HD Duramax Trucks for Buick Cadillac 2019-2022
UAUSE$50.8326 rev
Trending
90-day click momentum84564686 Block Heater Cable Cord Compatible with Chevy Silverado 1500/LD/LTD 2019-2023 Buick Cadillac 2019-2022 GM Chevy Silverado 2500/3500 HD Duramax Trucks 2020-2024
Hzsyserth$8.515.0★
84564686 Engine Coolant Heater Cable Cord for Chevy Silverado 1500/LD/LTD 2019-2023 Silverado 2500/3500 HD Duramax Trucks 2020-2024 GMC Sierra 2019-2024
haizusai$34.434.4★
IXMGA 84564686 90 Inches Engine Coolant Heater Cord
IXMGA$39.194.6★
84564686 Engine Block Coolant Heater Cable Cord for Chevy Silverado 1500/LD/LTD 2019-2023 for Buick Cadillac 2019-2022 for GM Chevy Silverado 2500/3500 HD Duramax Trucks 2020-2024
DZQPPC$48.854.4★
MINOWAY 84564686 Engine Coolant Heater Cable Compatible with 2019-2024 Chevy Silverado 1500 2500 3500 HD DuramaxEngine Block Heater Cord Replace Aceessory fit for GMC Sierra Yukon Buick Cadillac
Minoway$49.224.6★
Demand
Weekly Amazon search volume, last 27 weeks — -93.1% search growth over the last 90 days.Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Fits good”
“Works as advertised”
“The quality is solid”
“Works well”
“Great price”
“it is flexible and manageable”
“Plugs in as it should”
“It provides reliable power to the engine block heater”
“durable”
“Easy to install”
What buyers complain about
“Doesnt fit 2022 Chevy Silverado 2500 HD”
“Doesnt fit or work”
“Junk”
“Doesn't stay plugged in”
“Block heater cable”
“False advertising”
“Cable is thick”
“Still did not work after taping”
“This is terrible design”
“Plug not very strong/tight”