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Bosch 420L fitting sizes

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Old 01-27-2007, 02:57 PM
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Default Bosch 420L fitting sizes

What are the threads on these pumps?
Old 01-28-2007, 09:10 AM
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http://www.atlltd.com/pdf/fuelfilter...20microns).pdf

This gives the inlet spec. I use that spin on filter....trick piece that works well in a dual intank set-up.
Old 01-28-2007, 02:47 PM
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Originally Posted by onfire
http://www.atlltd.com/pdf/fuelfilter...20microns).pdf

This gives the inlet spec. I use that spin on filter....trick piece that works well in a dual intank set-up.
The 420L is an inline pump
Old 01-28-2007, 03:08 PM
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I did a metric to 6AN adapter on mine ,but I don't remember what size the metric thread was.I'm running a 040 Bosch intank,with a 10AN line to a 10AN x 6AN wye and 2-044 Bosch inline pumps with a separate 6AN line to each fuel rail.

Last edited by whitt1; 01-28-2007 at 03:18 PM.
Old 01-28-2007, 07:23 PM
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Originally Posted by Slowhawk
The 420L is an inline pump
Bosch also makes a 420L (which is a myth rating) part number ends in "044" that is used intank or inline. I put two in tank.




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