heater core
Skip itSoft demand (-48.4% this quarter) — this niche doesn't clear our bar today.
Review moat
Incredible79.89avg incumbent reviews — the moat a new listing must climb
Avg price
Incredible$43.51avg listing price — sweet spot $15–$100
Competition
Great23%top-5 click share — an open shelf
Price range
Good$9.15–$131.98cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Brand share
Good74%top-5 brand share — brands hold most of the demand
Market size
Okay$238K$238K/yr · 267K searches
Conversion
Okay2.1%search→purchase rate — share of searches ending in a sale
Returns
Bad7.5%return rate — above 6% kills the launch gate
Growth
Bad-48.4%90-day search growth — must beat 0% to launch
Competition
Clicks spread well past the top 5 (23% combined) — an open shelf where new products get seen.Brands
28 falling
Sellers
82
Top-5 brand share
74%
Open market
23%
- A-Premium43%
- Spectra Premium16%
- TYC7%
- SCITOO6%
- YoRise3%
- Klimoto3%
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 102 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
A-Premium HVAC Heater Core Compatible with Cadillac Chevy & GMC Models - Tahoe Yukon Blazer Escalade C1500 C2500 C3500 K1500 K2500 K3500 K1500/K2500/C1500/C2500 Suburban & More
A-Premium$38.974.6★116 rev
A-Premium HVAC Heater Core Compatible with Chevrolet GMC Cadillac & Hummer Models - Silverado 1500/2500/3500 Sierra 1500/2500/3500 Yukon Yukon XL 1500/2500/3500 Tahoe H2 Escalade & More
A-Premium$44.924.4★109 rev
A-Premium HVAC Heater Core Compatible with Dodge Ram 1500 2002-2008 Ram 2500/3500 2002-2009 Ram 4000 4500 5500 Replace# 68004228AB 5073971AA
A-Premium$39.764.7★168 rev
YoRise 626-001 Engine Heater Core Bypass Kit Aluminum Heater Core Flush Replacement with 5/8&3/4 Hose Auto Engine System Maintenance Fitting Compatible with Most Common Heaters Hoses (Silver)
YoRise$15.174.2★19 rev
A-Premium HVAC Heater Core Compatible with Chevy Blazer C10 C20 C30 C60 C70 K10 K20 K30 P30 R10 R20 R30 V10 V20 V30 C10 Pickup C10 Suburban & GMC C1500 C25 C2500 C35 C3500 K15 K1500 and More Models
A-Premium$41.564.4★27 rev
Newest
by launch date
Jecoupoon Heater Core 2L1Z18476AA Compatible with Expedition 2003-2006
Jecoupoon$36.430 rev
Jecoupoon 93001 HVAC Heater Core Compatible with F 150 F 250 Expedition
Jecoupoon$35.720 rev
VibeUp 11597 Heater Core Compatible with Ford Expedition (2003-2006 4.6L 5.4L); Ford F-150 (2004-2008 4.2L 4.6L 5.4L); Ford F-150 Heritage (2004 4.2L 4.6L 5.4L) | OE#99302
VibeUp$32.931 rev
VibeUp 11315 Heater Core Compatible with Chevrolet Camaro 1970-1981
VibeUp$28.640 rev
Readair 99300 Vehicle HVAC Heater Core Replacement Compatible With Ford Excursion F-53 Mothorhome F-250 Super Duty F-350 Super Duty F-450 Super Duty F-550 Super Duty F-650 and F-750.
Readair$25.564 rev
Trending
90-day click momentumVibeUp 11315 Heater Core Compatible with Chevrolet Camaro 1970-1981
VibeUp$28.640.0★
Jecoupoon 93001 HVAC Heater Core Compatible with F 150 F 250 Expedition
Jecoupoon$35.720.0★
VibeUp 11597 Heater Core Compatible with Ford Expedition (2003-2006 4.6L 5.4L); Ford F-150 (2004-2008 4.2L 4.6L 5.4L); Ford F-150 Heritage (2004 4.2L 4.6L 5.4L) | OE#99302
VibeUp$32.935.0★
Jecoupoon Heater Core 2L1Z18476AA Compatible with Expedition 2003-2006
Jecoupoon$36.430.0★
Klimoto HVAC HVAC Heater Core | Compatible with Chevrolet Express 1500 V8 6.0
Klimoto$45.670.0★
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -48.4% search growth over the last 90 days.Peak months: Jan, Oct, Nov, Dec · busiest ÷ quietest = 2.9×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Awesome fit”
“hasn't leaked yet”
“functions very well”
“Works great”
“Did its job”
“Good heater core, hot, fairly simple to install”
“Installation was simple”
“worked as designed”
“Order the right part and got Compatible Part”
“it was an incredibly easy replacement”
What buyers complain about
“Leaked from day 1”
“the piece is noticably much longer”
“Vehicle did not run hot and it busted”
“Did not fit 2004 H2”
“there is a manufacturer issue where it may not fit perfectly during installation”
“Hot garbage”
“Coolant level low after a month of install”
“Received previously opened box with coolant stains on the box indicating it had been previously installed”
“Part barely lasted 2 years”
“However mine lasted one and a half years”