---
title: "Sbc Thermostat Housing — $34K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/automotive/sbc-thermostat-housing"
last_updated: "2026-08-09T14:04:59.907Z"
locale: en
meta:
  description: "Niche score 43/100 · $34K/yr market · 49K searches/yr · $16.52 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 43/100 · $34K/yr market · 49K searches/yr · $16.52 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Sbc Thermostat Housing — $34K/yr Amazon US Niche (2026) - Flapen"
---

# **sbc thermostat housing**

**Skip it**

A small market ($34K/yr) — this niche doesn't clear our bar today.

Market size 9Growth 30Conversion 52Competition 52Returns 51Price range 47Avg price 79Brand share 50Review moat 91Quality gap 28

**Review moat**

**Great****188.81**

avg incumbent reviews — the moat a new listing must climb

**Avg price**

**Great****$16.52**

avg listing price — sweet spot $15–$100

**Conversion**

**Good****4.2%**

search→purchase rate — share of searches ending in a sale

**Competition**

**Good****54%**

top-5 click share — leaders hold, buyers still browse

**Returns**

**Good****3.0%**

return rate — above 5% kills the launch gate

**Brand share**

**Okay****75%**

top-5 brand share — brands hold most of the demand

**Price range**

**Okay****$7.44–$21.71**

cheapest 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**

**Okay****4.6★**

avg incumbent rating — lower means beatable quality

**Market size**

**Bad****$34K**

$34K/yr · 49K searches

According to Flapen's Amazon United States niche tracking, sbc thermostat housing is a $34K/yr Amazon United States market (49K searches/yr). The top 5 brands hold 75% of demand. Verdict: Skip it — 43/100.

Data updated Jul 9, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **sbc thermostat housing market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**3K–3K**</dd><dd>avg 0–100/product</dd>

<dt>**Revenue / yr**</dt><dd>**$41K–$50K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**4.2%**</dd>

<dt>**Avg BSR**</dt><dd>**#204**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**96%**</dd>

<dt>**Sponsored**</dt><dd>**73%**</dd>

<dt>**Out of stock**</dt><dd>**0.7%**</dd>

<dt>**Avg brand age**</dt><dd>**57 months**</dd>

<dt>**Avg seller age**</dt><dd>**166 days**</dd>

</dl>

## **Competition & brand share**

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%**

Top 20: 100%

**Top-5 click share**

**54%**

Top 20: 93%

**Open market**

**20%**

- CarBole30% - Dorman23% - AAAWZDWD10% - TBAPFS6% - PTNHZ6% - X AUTOHAUX5%

## **Demand**

Weekly Amazon search volume, last 13 weeks — +4.4% search growth over the last 90 days.

1K600Apr '26Apr '26May '26May '26Jun '26Jun '26Jul '26

[**Open Trend **](https://flapen.com/research/us/automotive/sbc-thermostat-housing/trend)

## **Top sbc thermostat housing search terms**

- **sbc thermostat housing**29K/yr+11.2%4.2% conv. - **sbc water neck**11K/yr-2.6%5.3% conv. - **chevy 350 thermostat housing**5K/yr-9.9%4.0% conv. - **small block chevy thermostat housing**4K/yr-5.1%4.2% conv. [**All search terms **](https://flapen.com/research/us/automotive/sbc-thermostat-housing/search-terms)

## **Top sbc thermostat housing products on Amazon**

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%5%$2K10%$3K15%$5K20%$7K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![CarBole 21 Degree Chrome Water Neck Thermostat Housing Fit For Chevy V8 5.7L 350 454 Small Big Block](https://m.media-amazon.com/images/I/41AQ-XXzhtL.jpg)**CarBole 21 Degree Chrome Water Neck Thermostat Housing Fit For Chevy V8 5.7L 350 454 Small Big Block**CarBole**$15.31**4.6★1,200 rev](https://www.amazon.com/dp/B06XDDXJ22) [2![CarBole 50 Degree Chrome Plated 2660 Water Neck Thermostat Housing Fits for Chevy Small Big Block for Chevy (WTN1006)](https://m.media-amazon.com/images/I/41wFFINrU0L.jpg)**CarBole 50 Degree Chrome Plated 2660 Water Neck Thermostat Housing Fits for Chevy Small Big Block for Chevy (WTN1006)**CarBole**$13.86**4.6★1,200 rev](https://www.amazon.com/dp/B075J9D7SY) [3![Dorman 902-2009 Engine Coolant Thermostat Housing Compatible with Select Models](https://m.media-amazon.com/images/I/41ri2f8ufNL.jpg)**Dorman 902-2009 Engine Coolant Thermostat Housing Compatible with Select Models**Dorman**$16.62**4.5★694 rev](https://www.amazon.com/dp/B01D8VLGVE) [4![Dorman 902-2014 Engine Coolant Thermostat Housing Compatible with Select Models](https://m.media-amazon.com/images/I/41Sf0phkNrL.jpg)**Dorman 902-2014 Engine Coolant Thermostat Housing Compatible with Select Models**Dorman**$12.80**4.6★281 rev](https://www.amazon.com/dp/B01CS3K4N4) [5![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](https://m.media-amazon.com/images/I/31QbFJ+xNrL.jpg)**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**$17.88**4.5★31 rev](https://www.amazon.com/dp/B0DKSWMR53)

**~~View all top sellers →~~**

### **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](https://m.media-amazon.com/images/I/31722XVYhlL.jpg)**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**$16.66**7 rev8mo ago](https://www.amazon.com/dp/B0FYV3NQ5Z) [![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](https://m.media-amazon.com/images/I/31P22QdA8TL.jpg)**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**$17.62**9 rev9mo ago](https://www.amazon.com/dp/B0FR4SQJGN) [![PTNHZ 90 Swivel Water Neck Thermostat Housing Polished Aluminum Replacement Part Compatible with SBC & BBC Chevy 265 283 327 350 396 454 502 Engines](https://m.media-amazon.com/images/I/31okYysRyIL.jpg)**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**$18.77**9 rev9mo ago](https://www.amazon.com/dp/B0FR4H6S9Q) [![PTNHZ 45 Swivel Water Neck Thermostat Housing Polished Aluminum Replacement Part Compatible with SBC & BBC Chevy 265 283 327 350 396 454 502 Engines](https://m.media-amazon.com/images/I/317Y0Ft-0TL.jpg)**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**$18.90**9 rev9mo ago](https://www.amazon.com/dp/B0FR4VHNSV) [![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)](https://m.media-amazon.com/images/I/41szN8sNTmL.jpg)**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**$18.40**13 rev1y ago](https://www.amazon.com/dp/B0F8QVJLJ9)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![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](https://m.media-amazon.com/images/I/31P22QdA8TL.jpg)**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**$17.62**4.9★**▲ 158%**](https://www.amazon.com/dp/B0FR4SQJGN) [![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](https://m.media-amazon.com/images/I/318oM2jJ1XL.jpg)**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**$17.87**4.7★**▲ 144%**](https://www.amazon.com/dp/B0F4QYMWTL) [![15Swivel Water Neck Fits SBC BBC Polished Aluminum Black](https://m.media-amazon.com/images/I/31gA3fMHmgS.jpg)**15Swivel Water Neck Fits SBC BBC Polished Aluminum Black**TAKPART**$16.08**4.5★**▲ 122%**](https://www.amazon.com/dp/B09714TNF1) [![IMOOA 15 Degree Swivel Water Neck Thermostat Housing For Chevy SBC BBC 283 305 350 383 454 502 Polished Aluminum](https://m.media-amazon.com/images/I/31KHQzOS7HL.jpg)**IMOOA 15 Degree Swivel Water Neck Thermostat Housing For Chevy SBC BBC 283 305 350 383 454 502 Polished Aluminum**IMOOA**$19.33**5.0★**▲ 82%**](https://www.amazon.com/dp/B0DXK6QXMH) [![TBAPFS 45 Swivel Water Neck Aluminum Polished Thermostat Housing Compatible with SBC BBC chevy engines 283 302 305 327 350 400 396 427 454 502](https://m.media-amazon.com/images/I/31+oe41peyL.jpg)**TBAPFS 45 Swivel Water Neck Aluminum Polished Thermostat Housing Compatible with SBC BBC chevy engines 283 302 305 327 350 400 396 427 454 502**TBAPFS**$17.71**4.4★**▲ 76%**](https://www.amazon.com/dp/B0CZ3R3WBP)

**~~View all trending →~~**

## **What buyers say about sbc thermostat housing**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Quality-Overall**32%

*“Much Higher quality that factory”*

**Size-Overall**17%

*“it fit perfectly on my small block 350”*

**Leak-Proof**15%

*“Works and doesn't leak”*

**Efficiency**8%

*“Works good”*

**Advertised Vs Actual Product**7%

*“As advertised”*

**Value For Money**5%

*“great value for the money”*

**Material Quality**3%

*“Seems to be built out of quality material an has a nice finish to it”*

**Functionality-Overall**2%

*“Create product worked just like it should”*

**Adjustability/Rotatability/Reclining**2%

*“Fully adjustable”*

**Assembly/Installation**2%

*“Easy to install”*

### **What buyers complain about **

**Leak-Proof**33%

*“leaky”*

**Size-Overall**15%

*“Doesnt fit”*

**Value For Money**10%

*“Cant even tell you if its worth the money”*

**Heating**10%

*“The thermostat housing came in cracked and leaks water”*

**Compatibility-Overall**5%

*“Didnt work for my application”*

**Mounting**5%

*“I had to waller out the mounting holes just a bit to make it fit”*

**Connectivity-Overall**5%

*“There was not room to connect the water sending unit wire”*

**Thickness**3%

*“it is too thin”*

### **Top return reasons **

**Size-Overall**35%

**Compatibility-Overall**18%

**Advertised Vs Actual Product**7%

**Functionality-Overall**7%

**Defective Material/Parts**4%

**Leak-Proof**4%

**Coolant**3%

**Quality-Overall**3%

**Heating**2%

**Mounting**2%

## **Common questions**

<dl>

<dt>**Is sbc thermostat housing profitable to sell on Amazon United States?**</dt><dd>The niche generates $34K/yr across 26 tracked products. 0 of 4 products launched in the last 360 days are still selling. 90-day search growth is +4.4%. Flapen's verdict: Skip it (43/100).</dd>

<dt>**How competitive is the sbc thermostat housing niche?**</dt><dd>13 brands and 46 sellers compete. The top 5 products take 54% of clicks and top 5 brands hold 75% of demand.</dd>

<dt>**What do buyers complain about in sbc thermostat housing?**</dt><dd>Top complaints mined from reviews: Leak-Proof, Size-Overall, Value For Money. The return rate is 3.0%.</dd>

<dt>**What does it cost to enter the sbc thermostat housing niche?**</dt><dd>Listings span $7.44–$21.71; the average listing price is $16.52 (sweet spot $15–$100). The average incumbent carries 189 reviews — the moat a new listing must climb.</dd>

</dl>

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