sbc thermostat housing
Skip itA small market ($34K/yr) — this niche doesn't clear our bar today.
Review moat
Great188.81avg incumbent reviews — the moat a new listing must climb
Avg price
Great$16.52avg listing price — sweet spot $15–$100
Conversion
Good4.2%search→purchase rate — share of searches ending in a sale
Competition
Good54%top-5 click share — leaders hold, buyers still browse
Returns
Good3.0%return rate — above 6% kills the launch gate
Brand share
Okay75%top-5 brand share — brands hold most of the demand
Price range
Okay$7.44–$21.71cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Okay+4.4%90-day search growth — must beat 0% to launch
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Market size
Bad$34K$34K/yr · 49K searches
Competition
The top 5 products take 54% of clicks — established leaders, but buyers still shop beyond them.Brands
13 falling
Sellers
46
Top-5 brand share
75%
Open market
20%
- CarBole30%
- Dorman23%
- AAAWZDWD10%
- TBAPFS6%
- PTNHZ6%
- X AUTOHAUX5%
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 26 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
CarBole 21 Degree Chrome Water Neck Thermostat Housing Fit For Chevy V8 5.7L 350 454 Small Big Block
CarBole$15.314.6★1,200 rev
CarBole 50 Degree Chrome Plated 2660 Water Neck Thermostat Housing Fits for Chevy Small Big Block for Chevy (WTN1006)
CarBole$13.864.6★1,200 rev
Dorman 902-2009 Engine Coolant Thermostat Housing Compatible with Select Models
Dorman$16.624.5★694 rev
Dorman 902-2014 Engine Coolant Thermostat Housing Compatible with Select Models
Dorman$12.804.6★281 rev
15 Degree For sbc water neck Swivel Aluminum Thermostat Housing Water Neck Polished Compatible with Chevrolet SBC BBC 327 350 454 396 ect Water Neck Thermostat Housing
AAAWZDWD$17.884.5★31 rev
Newest
by launch date
OXCANO 15 Degree For sbc water neck Swivel Aluminum Thermostat Housing Water Neck Polished Compatible with Chevrolet SBC BBC 327 350 454 396 ect Water Neck Thermostat Housing
OXCANO$16.667 rev
PTNHZ 15 Swivel Water Neck Thermostat Housing Compatible with SBC and BBC Smanll & Big Block Chevy 265 283 305 307 327 350 383 400 396 402 427 454 472 502 348 409 Engines
PTNHZ$17.629 rev
PTNHZ 90 Swivel Water Neck Thermostat Housing Polished Aluminum Replacement Part Compatible with SBC & BBC Chevy 265 283 327 350 396 454 502 Engines
PTNHZ$18.779 rev
PTNHZ 45 Swivel Water Neck Thermostat Housing Polished Aluminum Replacement Part Compatible with SBC & BBC Chevy 265 283 327 350 396 454 502 Engines
PTNHZ$18.909 rev
15 Degree Water Neck For BBC SBC Water Neck Aluminum Thermostat Housing Compatible with Chevy SBC BBC 283 302 305 327 350 383 396 427 454 502 ENGINES(15)
AAAWZDWD$18.4013 rev
Trending
90-day click momentumPTNHZ 15 Swivel Water Neck Thermostat Housing Compatible with SBC and BBC Smanll & Big Block Chevy 265 283 305 307 327 350 383 400 396 402 427 454 472 502 348 409 Engines
PTNHZ$17.624.9★
Black 15 Water Neck Thermostat Housing Fits for SBC BBC Small Block Big Block Chevy 283 302 305 327 350 383 396 427 454 502
YUCHENSHLP$17.874.7★
15Swivel Water Neck Fits SBC BBC Polished Aluminum Black
TAKPART$16.084.5★
90 Degree water neck For BBC SBC Water Neck Thermostat Housing Compatible with Chevy SBC BBC 265 283 305 307 327 350 383 400 396 402 427 454 472 502 348 409 Engines(90)
AAAWZDWD$19.724.0★
IMOOA 15 Degree Swivel Water Neck Thermostat Housing For Chevy SBC BBC 283 305 350 383 454 502 Polished Aluminum
IMOOA$19.335.0★
Demand
Weekly Amazon search volume, last 13 weeks — +4.4% search growth over the last 90 days.Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Much Higher quality that factory”
“it fit perfectly on my small block 350”
“Works and doesn't leak”
“Works good”
“As advertised”
“great value for the money”
“Seems to be built out of quality material an has a nice finish to it”
“Create product worked just like it should”
“Fully adjustable”
“Easy to install”
What buyers complain about
“leaky”
“Doesnt fit”
“Cant even tell you if its worth the money”
“The thermostat housing came in cracked and leaks water”
“Didnt work for my application”
“I had to waller out the mounting holes just a bit to make it fit”
“There was not room to connect the water sending unit wire”
“it is too thin”