1st Generation Dodge Cummins 89-93 Discussion of 12 Valve 5.9 Liter Dodge Cummins Diesels with Rotary Injection Pumps

Fuel Line Size?

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  #1  
Old 06-02-2010, 11:31 PM
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Default Fuel Line Size?

Does anybody know what size the rubber fuel line that runs from the fuel pump to the main metal line coming from the tank?
 
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Old 06-02-2010, 11:44 PM
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dont quote me on it but i think its 5/16". it could be 3/8 but i think its 5/16
 
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Old 06-03-2010, 12:49 AM
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that rings a bell 5/16
 
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Old 06-03-2010, 06:15 PM
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yes. Stock is 5/16. Jason if your gonna redo it step up to 3/8
 
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Old 06-04-2010, 12:37 AM
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or better yet the water hose on your front lawn
 
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