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Carburetor Reference Sheet and Related Parts
We Do Not sell rebuilt or refurbished Carbs or TBIs

Brand: Rochester Type:  R4-4MC
Quadrajet Qjet
Number: 7026240
CU: 4-26

General Reference Picture of a R4-4MC
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Actual Reference Picture
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Disc: 66 Buick 425 Notes: Notes
Cyl:8 Newcarb-  
Rebuild Kit:  KT-5150B

Check here for Muscle car Info

Float:  FLT-100-6FLT-100-36 Acc Pump:  CUD3616
Choke Pulloff Front:  Acc Pump Cup: 
Choke Pulloff Rear:  Needle & Seat:  N/S-25-510A
Choke Thermostat: EC-80088184A PowerValve: 
    Jets:  Jets    
Mixture Control Solinoid:  Mettering Rods:   
Throttle Position Sensor:  Linkage Rods: CUD3943
       
Fuel Fitting:
FuelFilter: 
30-53 Mixture Screw:  CUD2172
       
Air Cleaner Gasket:  G702

Rebuilt Carburetor Ref Numbers

Bowl Gasket:  Rebuild Ref Number: 4-26
Middle Gasket:     
Base Gasket:  CUD1178CUD4005CUD1034 Core:  <<Core>> Search eBay

Check the Rochester 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 Rochester , The Rochester Products Division of General Motors was located in Rochester New York and built carburetors for GM vehicles since 1949 . 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  7026240 and used on 66 Buick 425 . Check here for specific Muscle car Info
Referenced by ; Rochester  7026240

 

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