Question 1

will it work for gasoline

Accepted Answer

This is a filter for diesel engines only, so it will not work for gasoline as the compatible engine would not be able to run on gasoline.

Question 2

can it be used for engine oil?

Accepted Answer

No, this for diesel fuel only

Question 3

As far as an "adapter"; are you talking about the Fleetguard fuel filter head or is there something that screws onto my oem fuel filter head ?

Accepted Answer

I have a 2005 Dodge Ram 5.9 cummins.  This does NOT screw on in place of my original equipment filter. I placed mine as a secondary filter on a separate filter mount I had to buy, between the stock filter and the high pressure pump. The stock filter has water separation (necessary) and catches most particles down to 7 micron.  This catches smaller stuff the factory filter misses down to 2-3 micron. After several changes due to low fuel pressure I can say the Fleetguard FF5320 catches a lot of crud that gets past the OE filter element. I highly recommend using a fuel pressure gauge with this filter. Mount the sender after the Fleetguard filter. If you get below 7lb pressure replace the stock filter. If pressure is still low replace the spin-on Fleetguard. When they start plugging up they generally go fast. I carry extra filters and tools to change either filter when on the road. I've had to do that twice when towing heavy.

Question 4

what is the micron rating ?

Accepted Answer

Info that I have has it as 5 micron absolute with a secondary rating of 2 micron. The Donaldson 551313 would is rated at less than 3 micron and the Cat 1R-0750 is rated at 4 micron absolute.  They are all generally called 2 micron filters. As you probably noticed Fleetguard does no make their specifications readily available. I suggest the Donaldson or Cat as a better choice for a "2" micron filter.

ASIN	B0032BYUF0
Automotive Fit Type	Vehicle Specific Fit
Brand Name	Fleetguard
Compatible with Vehicle Type	Bus, Truck
Customer Reviews	4.8 4.8 out of 5 stars (141)
Item Diameter	93.47 Millimetres
Item Type Name	filter
Item Weight	50 Grams
Manufacturer	Cummins Filtration
Manufacturer Part Number	FBA_FF5320
Model	FBA_FF5320
Number of Items	1
Number of Packs	1
OEM Equivalent Part Number	FF5320
Outer Material Type	Stainless Steel" or "Alloy Steel" or "Carbon Steel" or "Iron" or "Brass
Product Grade	Replacement Part
Style Name	Spin On
Unit Count	1.0 Count
What Is In the Box	filter

FF5320 Fuel, Spin-On Filter

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