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
Condition: New
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Extended holiday returns
FREE refund/replacement until Jan 31, 2026 Learn more
FREE refund/replacement until Jan 31, 2026 Learn more
This item's return window has been extended for the holiday season: FREE refund/replacement until Jan 31, 2026
To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.
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Availability:
11 left in stock
Arrives
Wednesday, Dec 10
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Features
- Fitment:condgreemee's brand new 4 Barrel Carburetor replace for 4-BBL Rochester Quadrajet 4MV Carby with Electric Choke . replace for 1980 Chevy Cars, Replace #1904R; fits for 1981-1986 Chevy/GMC Trucks, Replace #1904R or #1906R. Fits for 1980-1989 Chevy 305-350c.i engines, engines with Chevy bowl entrance and linkage style, electric choke, 4-BBL, compatible with EGR.
- Specification:condgreemee's brand new 4 Barrel Carburetor replace for Quadrajet Carburetor can range anywhere in between 600 and 750CFM. Maximum Flow (cfm) :750.The size of jets that pre-installed:Main jet: 190, Idle jet: 120, Auxiliary Venturi: 7mm; Venturi(Choke tube):31.7mm, Air correction jets: 190, Needle valve: 3.3.
- Note::Compatibility Notice: Designed for non-computerized vehicles only Excludes electronic components (no electrical plugs/AC throttle assembly) Automotive use only - not recommended for marine applications.For proper installation, search online for setup videos and follow carefully. (Installation instructions not included.)
- Top Quality Carburetor:designed as a replacement for your worn-out fuel system part,will help optimize your vehicles performance and fuel efficiency,built using high-grade materials for ultimate quality and durability. Pefect Idle and Top Accelerator Status, help to keep your Vehicle running at Fantastic performance.
- 100% brand new, ready-to-install carburetor .Exactly as pictured - please review images carefully.Verify compatibility with your existing carburetor before purchase *Important Notes:Compare specifications with your current unit.Contact us for verification if unsure.Ensure proper model matching before ordering
Brand: condgreemee
Vehicle Service Type: Car
Flange Type: Square Bore
Fuel Type: electric
Recommended Uses For Product: Jeep
Brand: condgreemee
Vehicle Service Type: Car
Flange Type: Square Bore
Fuel Type: electric
Recommended Uses For Product: Jeep
Manufacturer: condgreemee
Model: 1904R
Item Weight: 7.83 pounds
Package Dimensions: 13.3 x 11.57 x 6.57 inches
Item model number: 1904R
Exterior: Polished
Manufacturer Part Number: 1904R
Date First Available: July 19, 2022
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Wednesday, Dec 10
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
After spending 20k totally rebuilding my 81 Vette front to back, I decided to hold back on one of the expensive Stage 2 Rochester options for now and pulled the trigger on this one. Have to say, I wasn't expecting much, but I have been pleasantly surprised. Dropped it on there for the first start of this engine, and it hardly cranked twice before firing off and cold idled near perfectly before any break in on the motor or tune on this carb. After adjusting it, wow, really shocked how responsive it is. Have not driven the car yet as the entire suspension and brake system is out and being updated now, but it seems to run great and starts dead cold instantly every time. The ONE issue, or, possible FUTURE issue I may throw out there as a warning to all who may not be aware; These, unlike the originals are made from 100% aluminum. WAY lighter than an original Q-Jet, thats great, but im not certain if all the interior areas that hold or pass fuel are plated. Problem with that, if you leave fuel in an un-plated alum carb, due to the crap gas we have now, the alum parts will oxidize quick and seize up. So, after sitting for the winter, your carb may run like total crap. And if the oxidation is that bad, I dont believe there is a way to bring it back. So, this carb will be drained and flooded with WD-40 for the winter.. I mean, it looks shiny, like they plated it somehow, but I dont know for sure. So, BE ADVISED! Other than that, I could have bought three for the price of one after-market performance Q-Jet.. Hard to beat as long as it keeps running.
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Reviewed in the United States on October 2, 2025 by ASR Customs ASR Customs
just as advertised, worked great rightout of the box
Reviewed in the United States on October 4, 2025 by david
Great product!!!
Reviewed in the United States on October 13, 2025 by Billy
I must’ve got a lemon. It wouldn’t idle, it wouldn’t stay Running. I looked it over and I saw it was leaking out of the choke. I bought this not to have to overhaul it so I’m sending it back. Update, while removing the carb, I removed the vacuum hose and a piece of the carburetor fitting came with it. I don’t believe this is a well made carburetor now I’m sure the tolerance in the choke are not right. Plus, with the gas sitting on my intake manifold it destroyed the paint, now I’m gonna have to repaint my intake manifold. What a disaster this has been.
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Reviewed in the United States on July 31, 2025 by Just The Facts Just The Facts
Good carburetor for the money. Ran great right out of the box. Ran even better after some minor tuning. My only complaint is that the standard Quadrajet connector for the electric choke does not fit on the connector for this carb. I had to cobble something together. Fortunately, I live in a climate where the choke is not all that important, but if you need it, this will be something you have to fabricate.
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Reviewed in the United States on October 23, 2025 by VBully VBully
Great carburetor for the money. I bought a reman original from summit for $500 last month and this one ran better out of the box. Super impressed.
Reviewed in the United States on September 6, 2025 by Bryan Keith Hamilton
Start up and run was great. Thanks
Reviewed in the United States on August 23, 2025 by Eddie Carlisle
I still can’t believe the value. No tunning. Bolt on and away you go. I wish I had options like this 10-15 years ago. Awesome
Reviewed in the United States on August 31, 2025 by mike james