\n\nFuel system illustration shown for reference only - click here to shop for these parts by interactive diagram\n\n\n\nNeed fuel parts for your vintage Willys or Jeep? Shop fuel parts by Category or by Diagram\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n

Fuel Tank Specs:
Capacity	10 1/2 gal.
Location	Under Driver's Seat
Fuel Pump Specs:
Make	AC
Model	5594032
Type	Camshaft
Pressure	2 1/2" to 3 3/4 lb.
Carburetor Specs:
Make	Carter
Model	YF-938 SD
Flange Size	1 1/4"
Primary Venturi	11/32"
Secondary Venturi	11/32"
Main Venturi	1 1/4"
Float Setting	5/16"
Gasoline Intake Needle Seat	No. 48 (.076") drill
Jet Size	No. 70 (.028") drill
By-Pass	No. 56 (.0465") drill
Idle Bleed	No. 56 (.0465") drill
Economizer	No. 54 (.055") drill
Idle Well to Bowl Bleed	No. 73 (.024") drill
Idle Port	.184" x .030"
Lower Port (for idle adjustment screw)	3/4 to 1 3/4 turns open
Main Nozzle Anti-Percolator
Well Vent in Plug	No. 74 (.0225") drill
Metering Rod	.07325" x .0655" x .057" x .04725"
Metering Rod Jet	.0935" dia.
Accelerating Pump Specs:
Pump Jet	No. 68 (.031") drill
Intake Passage	No. 72 (.025") drill
Discharge Check Seat	No. 42 (.0935") drill
Vacuum Restriction	No. 55 (.052") drill
Vacuum Passage (Diaphragm Bleed)	No. 65 (.035") drill
Vacuum Spark Port	.054" to .056 dia.
Air Cleaner Specs:
Make	Donaldson
Model	1038A36
Type	Oil Bath
Oil Capacity	1 1/4 pt.

\n* Learn more about the Fuel System from the Service Manual for Universal Jeep Vehicles page 93, 94\n\n

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