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  1. Home
  2. Carburetor Parts
  3. Carburetor Parts by Carburetor Types
  4. Rochester Carburetor Parts
  5. 4G, 4GC, 4 Jet 4 Barrel

Rochester 4G & 4GC, 4-barrel Carburetor Rebuild Kits and Parts

Rochester, also commonly knows as the 4 jet. We carry parts for both classic cars and marine applications. The Rochester 4 Jet was used on Buick 1955-1966, Cadillac 1952-66, Checker 1965, Chevrolet 1956-66, Oldsmobile 1952-65, Packard 1955-56, Pontiac 1955-65, Studebaker 1965, Chris Craft Marine, Crossley Marine, Crusader, Daytona, Graymarine, Mercury Marine, Owens, Palmer Marine & Revley Marine.

Below you will find all of the parts that we have available for this carburetor. Includes 4G (manual) and 4GC (w/automatic choke). Find your part, then click on more.. to see the detailed description of the part.


Don't have a carburetor number?

Some Rochester 4G 4GC carburetor had the last 4 digits of the carburetor number stamped on the top side of the air horn casting, in one corner.

4 Jet Float

  • 4 Jet Carburetor Kits 4 Jet Carburetor Kits
    Rochester 4G, 4GC Carburetor Kits
  • Gaskets Gaskets
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  • Check balls and Weights Check balls and Weights
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  • Rochester 4G, 4GC Metering Jets Rochester 4G, 4GC Metering Jets

Products [20]

Item In Cart Inlet Carburetor Screen - 90-5
Inlet Carburetor Screen - 90-5
In Stock
Diameter = .375"
Part Number 90-5
(4)
$2.95
Add To Cart
Item In Cart Rochester 4G, 4GC Rubber Pump Shaft Boot - G429
Rochester 4G, 4GC Rubber Pump Shaft Boot - G429
In Stock
Part Number G429
(7)
$4.25
Add To Cart
Item In Cart Rochester Needle & Seat Assembly - .119 Orifice - NS526
Rochester Needle & Seat Assembly - .119 Orifice - NS526
In Stock
Part Number NS526
(5)
$9.95
Add To Cart
Item In Cart Rochester Main Discharge T 85-59
Rochester Main Discharge T 85-59
In Stock
Part Number 85-59
$1.95
Add To Cart
Item In Cart Carburetor Check Ball & Check Weight Assortment A101
Carburetor Check Ball & Check Weight Assortment A101
In Stock
Part Number A101
(1)
$39.95
Add To Cart
Item In Cart Carburetor Float Pin 32-7
Carburetor Float Pin 32-7
In Stock
.093" x 1.190"
Part Number 32-7
$3.95
Add To Cart
Item In Cart Rochester 4 Barrel Primary Vacuum Brake Link R134
Rochester 4 Barrel Primary Vacuum Brake Link R134
In Stock
Rochester 4 Barrel Link
Part Number R134
$9.95
Add To Cart
Item In Cart Float Pin 32-27
Float Pin 32-27
In Stock
OD = .081" Length = .380"
Part Number 32-27
$4.95
Add To Cart
Item In Cart Ethanol Defense  ED16
Ethanol Defense ED16
In Stock
Ethanol Defense
Part Number ED16
(4)
$22.25
Add To Cart
Item In Cart Clip Assortment A108
Clip Assortment A108
In Stock
Part Number A108
(12)
$9.95
Add To Cart
Item In Cart Rochester 4 Jet E-Manual Download M4g
Rochester 4 Jet E-Manual Download M4g
In Stock Free Shipping
Part Number M4g
(4)
Add To Cart
Item In Cart Accelerator Pump Bore Polishing Crocus Cloth CC2
Accelerator Pump Bore Polishing Crocus Cloth CC2
In Stock
2" x 12"
Part Number CC2
(11)
$4.95
Add To Cart
Item In Cart Throttle Lever Bushing 22-17
Throttle Lever Bushing 22-17
In Stock
Part Number 22-17
(2)
$1.95
Add To Cart
Item In Cart Steel Washer 85-28
Steel Washer 85-28
In Stock
ID = .231" OD = .568" THK = .010"
Part Number 85-28
$2.95
Add To Cart
Item In Cart Brass Passage Tube 17-35
Brass Passage Tube 17-35
In Stock
Part Number 17-35
$6.95
Add To Cart
Item In Cart Autolite Motorcraft, Holley, Rochester Brass Tube 17-34
Autolite Motorcraft, Holley, Rochester Brass Tube 17-34
In Stock
OD: .219" ID: .15" Length: 1.401"
Part Number 17-34
$6.95
Add To Cart
Item In Cart Rochester 4G, 4GC, 4 Jet, Jets 120-11
Rochester 4G, 4GC, 4 Jet, Jets 120-11
In Stock
Part Number 120-11
(7)
$5.25
Select Options
Item In Cart Rochester Needle & Seat .101 NS523
Rochester Needle & Seat .101 NS523
In Stock
2G, 2GC, 4G, 4GC
Part Number NS523
(5)
$9.95
Add To Cart
Item In Cart Rochester 2 Jet, 4 Jet Carburetor Power Valve
Rochester 2 Jet, 4 Jet Carburetor Power Valve
In Stock
Rochester Power Valve, 2 Jet & some 4 Jets. Compare size.
Part Number 56-2B
(51)
$14.95
Add To Cart
Item In Cart Rochester 2 Jet 4 Jet Power Piston Assembly - 85-800
Rochester 2 Jet 4 Jet Power Piston Assembly - 85-800
In Stock
1955-73 Buick, Chevy, Pontiac, Olds
Part Number 85-800
(11)
$19.95
Add To Cart
Can't find what you need? Contact Us
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