---
title: "Quadrajet Carburetor — $166K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/automotive/quadrajet-carburetor"
last_updated: "2026-08-06T23:41:43.130Z"
locale: en
meta:
description: "Niche score 41/100 · $166K/yr market · 94K searches/yr · $173.83 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 41/100 · $166K/yr market · 94K searches/yr · $173.83 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Quadrajet Carburetor — $166K/yr Amazon US Niche (2026) - Flapen"
---
# **quadrajet carburetor**
**Skip it**
Prices mostly outside the sweet spot ($117.99–$449.58) — this niche doesn't clear our bar today.
Market size 34Growth 26Conversion 13Competition 47Returns 8Price range 0Avg price 50Brand share 57Review moat 95Quality gap 97
**Quality gap**
**Incredible****3.8★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Incredible****92.25**
avg incumbent reviews — the moat a new listing must climb
**Brand share**
**Good****71%**
top-5 brand share — brands hold most of the demand
**Avg price**
**Good****$173.83**
avg listing price — sweet spot $15–$100
**Competition**
**Okay****57%**
top-5 click share — leaders hold, buyers still browse
**Market size**
**Okay****$166K**
$166K/yr · 94K searches
**Growth**
**Okay****+1.1%**
90-day search growth — must beat 0% to launch
**Conversion**
**Bad****1.0%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Bad****9.7%**
return rate — above 5% kills the launch gate
**Price range**
**Bad****$117.99–$449.58**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500") [** Quality Gap**](https://flapen.com/research/niches?market=us&signal=quality_gap "Avg rating < 4.0") [** High Returns**](https://flapen.com/research/niches?market=us&signal=high_returns "Return rate > 5%") [** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")
According to Flapen's Amazon United States niche tracking, quadrajet carburetor is a $166K/yr Amazon United States market (94K searches/yr). The top 5 brands hold 71% of demand. Verdict: Skip it — 41/100.
Data updated Jul 9, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **quadrajet carburetor market data**
- **Units sold / yr**
- **750–1K**
- avg 0–100/product
- **Revenue / yr**
- **$130K–$174K**
- units × avg price
- **Conversion rate**
- **1.0%**
- **Avg BSR**
- **#4,049**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **86%**
- **Out of stock**
- **11.2%**
- **Avg brand age**
- **43 months**
- **Avg seller age**
- **198 days**
## **Competition & brand share**
The top 5 products take 57% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**19 **▼falling
**Sellers**
**75**
**Top-5 brand share**
**71%**
Top 20: 100%
**Top-5 click share**
**57%**
Top 20: 91%
**Open market**
**24%**
- THUNDERMINGO33% - condgreemee12% - liriuda11% - maXpeedingrods8% - ZJTBLL8% - Generic5%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +1.1% search growth over the last 90 days.
2K2KSpike '24Holiday '24Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.6×
[**Open Trend **](https://flapen.com/research/us/automotive/quadrajet-carburetor/trend)
## **Top quadrajet carburetor search terms**
- **quadrajet carburetor**39K/yr+9.5%1.1% conv. - **rochester quadrajet carburetor**20K/yr-4.0%0.9% conv. - **4 barrel carburetor for chevy 350**8K/yr-13.4%0.4% conv. - **carburetors for chevy 350**5K/yr+5.5%0.1% conv. - **quadrajet**5K/yr+5.6%0.7% conv. - **chevy 350 carburetor**4K/yr+16.4%0.4% conv. - **chevy carburetor**5K/yr-23.3%0.4% conv. - **rochester carburetor**4K/yr+12.9%0.6% conv. - **350 chevy carburetor**3K/yr-19.7%0.4% conv. [**All search terms **](https://flapen.com/research/us/automotive/quadrajet-carburetor/search-terms)
## **Top quadrajet carburetor 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%$8K10%$17K15%$25K20%$33K1101001K 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**4 Barrel Carburetor fits for Rochester Quadrajet Carburetor Chevy 350 454 327 427 V8 Engines GMC Trucks 1966-1973 big small block 4BBL Carb 1901R 4MV Corvettes 1975-1979 Divorced Choke 650CFM 750CFM**THUNDERMINGO**$165.42**3.7★292 rev](https://www.amazon.com/dp/B09QQBH8WT) [2**Rochester Quadrajet Carburetor Electric Choke New 4 Barrel Quadrajet Carburetor 1904R 1906R Fits for Chevy 305 350 Chevrolet 4BBL Carb c.i Engine V8 750 CFM 4MV GM Cadillac 1980-1989 Vacuum Secondary**THUNDERMINGO**$181.53**3.9★86 rev](https://www.amazon.com/dp/B0FK4SY335) [3**Rochester Quadrajet Carburetor Electric Choke New 4 Barrel for Chevy 305 350 c.i Engine pickup 1904R 1906R 4MV Carburetor 1980-1989 Chevrolet GM Cadillac 600 650 750 CFM Vacuum Secondary**condgreemee**$181.67**4.0★86 rev](https://www.amazon.com/dp/B0B6ZKPZ63) [4**Rochester Quadrajet Carburetor 4 Barrel For Chevy 1966-1973 327 350 427 Engines Trucks and Cars Replace 1975-1979 Corvettes 1901R 750 CFM 4BBL 4MV 1901-GG - Manual Divorced Choke Carb**liriuda**$165.60**3.9★212 rev](https://www.amazon.com/dp/B09FP8R2H8) [5**maXpeedingrods 4 Barrel Carburetor Electric Choke Spread Bore Compatible with Chevy 305 350 5.0L 5.7L Engine 1980-1989 650/750 CFM Replaces 1904R 1906R 17066422 17080202**maXpeedingrods**$185.44**3.8★53 rev](https://www.amazon.com/dp/B0CGCWFV66)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**LIRIUDA Rochester Quadrajet Carburetor 4 Barrel Black Anti-Corrosion for Chevy SBC BBC 327 350 427 454 V8 1966-1973 Trucks & Classic GM Cars Replace 1901R 4MV 750CFM Manual Divorced Choke**liriuda**$166.42**6 rev1mo ago](https://www.amazon.com/dp/B0H4KZBFTK) [**4 Barrel 750 CFM Carburetor Manual Choke Fit For Rochester Quadrajet Carburetor Chevy 350 454 327 427 V8 Engines GMC Trucks 1966-1973 big small block 4BBL Carb 1901R 4MV Corvettes 1975-1979 1901-GG**ZJTBLL**$129.12**14 rev3mo ago](https://www.amazon.com/dp/B0GMH8YSDP) [**CNPAPC Rochester Quadrajet 4 Barrel Carburetor 1906R 1904R 4MV Electric Choke 750 CFM Vacuum Secondary Fits for 1980 Chevy Cars and 1981-1986 Chevy GMC Trucks Replaces 17080202 17080204 17080207**CNPAPC**$138.68**2 rev10mo ago](https://www.amazon.com/dp/B0FNMXV9HD) [**7028264 4 Barrel Carburetor Replacement Fit for Rochester Quadrajet 4MC 4MV 1968 Pontiac Firebird Replaces Part Number 7028271 7028276**Generic**$144.08**6 rev11mo ago](https://www.amazon.com/dp/B0FKMNW2CQ) [**7028264 Carburetor for Rochester Quadrajet 4MV 4 Barrel Carb for 1968 Pontiac Replaces Part**Generic**$146.10**7 rev11mo ago](https://www.amazon.com/dp/B0FKMVGR59)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**4 Barrel 750 CFM Carburetor Manual Choke Fit For Rochester Quadrajet Carburetor Chevy 350 454 327 427 V8 Engines GMC Trucks 1966-1973 big small block 4BBL Carb 1901R 4MV Corvettes 1975-1979 1901-GG**ZJTBLL**$129.12**3.1★**▲ 231%**](https://www.amazon.com/dp/B0GMH8YSDP) [**LIRIUDA Rochester Quadrajet Carburetor 4 Barrel Black Anti-Corrosion for Chevy SBC BBC 327 350 427 454 V8 1966-1973 Trucks & Classic GM Cars Replace 1901R 4MV 750CFM Manual Divorced Choke**liriuda**$166.42**4.7★**▲ 229%**](https://www.amazon.com/dp/B0H4KZBFTK) [**7028264 Carburetor for Rochester Quadrajet 4MV 4 Barrel Carb for 1968 Pontiac Replaces Part**Generic**$146.10**2.1★**▲ 98%**](https://www.amazon.com/dp/B0FKMVGR59) [**CNPAPC Rochester Quadrajet 4 Barrel Carburetor 1906R 1904R 4MV Electric Choke 750 CFM Vacuum Secondary Fits for 1980 Chevy Cars and 1981-1986 Chevy GMC Trucks Replaces 17080202 17080204 17080207**CNPAPC**$138.68**3.0★**▲ 84%**](https://www.amazon.com/dp/B0FNMXV9HD) [**7028264 4 Barrel Carburetor Replacement Fit for Rochester Quadrajet 4MC 4MV 1968 Pontiac Firebird Replaces Part Number 7028271 7028276**Generic**$144.08**3.0★**▲ 79%**](https://www.amazon.com/dp/B0FKMNW2CQ)
**~~View all trending →~~**
## **What buyers say about quadrajet carburetor**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Value For Money**27%
*“it was for sure worth the money”*
**Size-Overall**14%
*“Good fit”*
**Efficiency**12%
*“Runs good”*
**Quality-Overall**9%
*“the overall build feels reliable”*
**Advertised Vs Actual Product**6%
*“Works better than expected”*
**Assembly/Installation**5%
*“was decently easy installation”*
**Durability**5%
*“which immediately makes it feel durable & well constructed”*
**Adjustability/Rotatability/Reclining**3%
*“The externally adjustable floats are a nice benefit, especially considering how weak the needle and seat are, causing lots of flooding”*
**Fuel Efficiency**3%
*“fuel efficiency was good”*
**Design-Overall**3%
*“Well constructed”*
### **What buyers complain about **
**Leak-Proof**24%
*“both leak fuel”*
**Quality-Overall**19%
*“Poor quality”*
**Assembly/Installation**8%
*“To be fair I have not installed this item just yet”*
**Durability**6%
*“I am afraid of breaking it”*
**Value For Money**5%
*“You dont save $300 you cost yourself $200”*
**Suction**5%
*“the mixture screws springs dont seat well so its hard to set using a vacuum gauge”*
**Defective Material/Parts**5%
*“Couldn't get carburetor to function properly”*
**Functionality-Overall**5%
*“hitting the secondaries it cuts out”*
**Adhesion/Stickiness**3%
*“then then stick open”*
**Product Condition**3%
*“appears to have been used”*
### **Top return reasons **
**Size-Overall**20%
**Functionality-Overall**18%
**Leak-Proof**15%
**Defective Material/Parts**11%
**Compatibility-Overall**9%
**Product Condition**4%
**Fuel Efficiency**3%
**Mechanism Issues**3%
**Advertised Vs Actual Product**3%
**Quality-Overall**2%
## **Common questions**
- **Is quadrajet carburetor profitable to sell on Amazon United States?**
- The niche generates $166K/yr across 28 tracked products. 3 of 8 products launched in the last 360 days are still selling. 90-day search growth is +1.1%. Flapen's verdict: Skip it (41/100).
- **How competitive is the quadrajet carburetor niche?**
- 19 brands and 75 sellers compete. The top 5 products take 57% of clicks and top 5 brands hold 71% of demand.
- **What do buyers complain about in quadrajet carburetor?**
- Top complaints mined from reviews: Leak-Proof, Quality-Overall, Assembly/Installation. The return rate is 9.7% — above our launch gate.
- **When does demand for quadrajet carburetor peak?**
- Demand is steady year-round — the busiest month runs 1.6× the quietest.
- **What does it cost to enter the quadrajet carburetor niche?**
- Listings span $117.99–$449.58; the average listing price is $173.83 (sweet spot $15–$100). The average incumbent carries 92 reviews — the moat a new listing must climb.
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