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Carburetor Reference Sheet and Related Parts

Brand: Rochester Type:  R4-M4MED
Quadrajet Qjet
Number: 17086580
CU: 4-484

General Reference Picture of a R4-M4MED
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Actual Reference Picture
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Disc: 85-87 Chev/GMC/Truck BOP Grey Sol. Notes: Notes
Cyl:384.94
Rebuild Kit:  KT-5501A

Check here for Muscle car Info

Float:  FLT-100-17 Acc Pump: 
Choke Pulloff Front:  PO-5080LC Acc Pump Cup:  64-344
Choke Pulloff Rear:  PO-5303 Needle & Seat:  N/S-31-542
Choke Thermostat: EC-8182C PowerValve: 
    Jets:  Jets    
Mixture Control Solinoid:  MCS-50 Mettering Rods:   
Throttle Position Sensor:  Linkage Rods:
       
Fuel Fitting:
FuelFilter: 
90-1255080L/5237 Mixture Screw: 
       
Air Cleaner Gasket:  G702

Rebuilt Carburetor Numbers

Bowl Gasket:  Rebuild Number: 4-484
Middle Gasket:  New Carb: 64-70109
Base Gasket:  G1199 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-M4MED the M4MED is a Electric side mounted choke with a Dual capacity solinoid Rochester Quadrajet 4 barrel carburetor, witch means the choke is located on the passenger side connected to the carburetor and uses key on power source and has a Dual capacity solinoid (normaly grey) .They started making them in 1985 and ran threw 1986. Most will have 1 inch 20 Fuel inlet . 1975 and up quadrajets use a different metering rod . This carburetor has a part number of  17086580 and used on 85-87 Chev/GMC/Truck BOP Grey Sol. . Check here for specific Muscle car Info
Referenced by ; Rochester  17086580

 

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