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Carburetor Reference Sheet and Related Parts

Brand: Carter Type:  R4-4MC
Quadrajet Qjet
Number: 6573S
CU: 4-784

General Reference Picture of a R4-4MC
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Actual Reference Picture
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Disc: 73-74 Pontiac 350 400 455 Notes: Notes
Cyl:165.50
Rebuild Kit:  KT-5164B

Check here for Muscle car Info

Float:  FLT-100-7 Acc Pump:  131
Choke Pulloff Front:  101-722 Acc Pump Cup: 
Choke Pulloff Rear:  Needle & Seat:  N/S-31-542
Choke Thermostat: EC-8008 PowerValve: 
    Jets:  Jets    
Mixture Control Solinoid:  Mettering Rods:   
Throttle Position Sensor:  Linkage Rods:
       
Fuel Fitting:
FuelFilter: 
Mixture Screw: 
       
Air Cleaner Gasket: 

Rebuilt Carburetor Numbers

Bowl Gasket:  Rebuild Number: 4-784
Middle Gasket:  New Carb: 64-7292
Base Gasket:  25220-2662471 Core:  Search eBay

Check the Carter Parts Page for more parts
We have many parts that may not be listed Call 253-833-4106

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This carburetor was made by Carter , The Carter Carburetor Company started in 1909 till 1922 . In 1922 the American Car and Foundry manufactured the carburetor till 1984 .Federal Mogul made them till the early 1990s . It is a R4-4MC the 4MC is a Hot air side mounted choke Rochester Quadrajet 4 barrel carburetor, which means the choke is located on the passenger side connected to the carburetor and draws hot air from the intake .They started making them in 1965 and ran threw 1974. Most will have 7/8 inch 20 fuel inlet till 1971 and 1 inch 20 after 1971 . This carburetor has a part number of  6573S and used on 73-74 Pontiac 350 400 455 . Check here for specific Muscle car Info
Referenced by ; Carter  6573S

 

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