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Carburetor Reference Sheet and Related Parts

Brand: Rochester Type:  R4-M4MC
Quadrajet Qjet
Number: 17056219
CU: 4-488

General Reference Picture of a R4-M4MC
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Actual Reference Picture
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Disc: 77 BOP 75-77 Chev/GMC/Truck Notes: Notes
Cyl:209.45
Rebuild Kit:  KT-5312D

Check here for Muscle car Info

Float:  FLT-100-17 Acc Pump:  256
Choke Pulloff Front:  PO-5080LC Acc Pump Cup:  64-344
Choke Pulloff Rear:  Needle & Seat:  N/S-31-542
Choke Thermostat: TO-9093 PowerValve: 
    Jets:  Jets    
Mixture Control Solinoid:  Mettering Rods:   
Throttle Position Sensor:  Linkage Rods: R109
       
Fuel Fitting:
FuelFilter: 
90-1255080L Mixture Screw: 
       
Air Cleaner Gasket:  G702

Rebuilt Carburetor Numbers

Bowl Gasket:  Rebuild Number: 4-488
Middle Gasket:  New Carb: 64-7154
Base Gasket:  20-2269A 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-M4MC the M4MC 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 1975 and ran threw 1990. Most will have 1 inch 20 Fuel inlet . 1975 and up quadrajets use a different metering rod . This carburetor has a part number of  17056219 and used on 77 BOP 75-77 Chev/GMC/Truck . Check here for specific Muscle car Info
Referenced by ; Rochester  17056219

 

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