quadrajet carburetor
Skip itPrices mostly outside the sweet spot ($117.99–$449.58) — this niche doesn't clear our bar today.
Quality gap
Incredible3.8★avg incumbent rating — lower means beatable quality
Review moat
Incredible92.25avg incumbent reviews — the moat a new listing must climb
Brand share
Good71%top-5 brand share — brands hold most of the demand
Avg price
Good$173.83avg listing price — sweet spot $15–$100
Competition
Okay57%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
Bad1.0%search→purchase rate — share of searches ending in a sale
Returns
Bad9.7%return rate — above 6% kills the launch gate
Price range
Bad$117.99–$449.58cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
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%
Open market
24%
- THUNDERMINGO33%
- condgreemee12%
- liriuda11%
- maXpeedingrods8%
- ZJTBLL8%
- Generic5%
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 28 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
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$165.423.7★292 rev
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$181.533.9★86 rev
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$181.674.0★86 rev
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$165.603.9★212 rev
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$185.443.8★53 rev
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$166.426 rev
Rochester Quadrajet Carburetor Electric Choke New 4 Barrel for Chevy 305 350 c.i Engine 1904R 1906R 4MV 4BBL Quadrajet Carb 1980-1989 Chevrolet GM Cadillac 600-750 CFM Vacuum Secondary with Gasket Jet
liriuda$173.423 rev
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$129.1214 rev
7028264 4 Barrel Carburetor Fit for Rochester Quadrajet 4MV Chevrolet GMC Truck 7.4L 454 Buick 350-455 8-Cylinder Cadillac 429 472 Pontiac 350 400 428 455 Firebird GTO Replace# 7028271 7028276
Cilipnsi$117.990 rev
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$138.682 rev
Trending
90-day click momentum4 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$129.123.1★
Rochester Quadrajet Carburetor Electric Choke New 4 Barrel for Chevy 305 350 c.i Engine 1904R 1906R 4MV 4BBL Quadrajet Carb 1980-1989 Chevrolet GM Cadillac 600-750 CFM Vacuum Secondary with Gasket Jet
liriuda$173.423.3★
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$166.424.7★
7028264 4 Barrel Carburetor Fit for Rochester Quadrajet 4MV Chevrolet GMC Truck 7.4L 454 Buick 350-455 8-Cylinder Cadillac 429 472 Pontiac 350 400 428 455 Firebird GTO Replace# 7028271 7028276
Cilipnsi$117.990.0★
7028264 Carburetor for Rochester Quadrajet 4MV 4 Barrel Carb for 1968 Pontiac Replaces Part
Generic$146.102.1★
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +1.1% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.6×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“it was for sure worth the money”
“Good fit”
“Runs good”
“the overall build feels reliable”
“Works better than expected”
“was decently easy installation”
“which immediately makes it feel durable & well constructed”
“The externally adjustable floats are a nice benefit, especially considering how weak the needle and seat are, causing lots of flooding”
“fuel efficiency was good”
“Well constructed”
What buyers complain about
“both leak fuel”
“Poor quality”
“To be fair I have not installed this item just yet”
“I am afraid of breaking it”
“You dont save $300 you cost yourself $200”
“the mixture screws springs dont seat well so its hard to set using a vacuum gauge”
“Couldn't get carburetor to function properly”
“hitting the secondaries it cuts out”
“then then stick open”
“appears to have been used”