will it work for gasoline

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.

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 ?

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.

what is the micron rating ?

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.

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Cummins Filtration Fleetguard FF5320 Fuel, Spin-On Filter

Product ID: 21407694

Details

Brand
Fleetguard
Item Diameter
93.47
Product Grade
Replacement
Vehicle Service Type
Vehicle

📏93.47 mm OD - precise fit

⚙️1-14 UNS-2B thread - secure install

🛢️Spin-on design - effortless replacement

€ 78.22

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Description

🛠️ Upgrade your fuel filtration game — because your engine deserves the best!

DURABLE BUILD QUALITY - Crafted with premium stainless steel for long-lasting corrosion resistance and reliability.
TRUSTED COMPATIBILITY - Cross-referenced with CATERPILLAR 1R0750 for guaranteed vehicle-specific performance.
EFFORTLESS INSTALLATION - Standard 1-14 UNS-2B thread size guarantees a secure, no-fuss spin-on filter replacement.
PRECISION ENGINEERED FIT - Largest 93.47 mm outer diameter ensures seamless compatibility with your vehicle's fuel system.
COST EFFECTIVE PERFORMANCE - Delivers superior filtration at a fraction of OEM prices, saving you money without compromise.

The Cummins Filtration Fleetguard FF5320 is a high-precision, spin-on fuel filter designed for vehicle-specific applications, notably compatible with CATERPILLAR 1R0750. Featuring a large 93.47 mm outer diameter and a secure 1-14 UNS-2B thread, it offers durable stainless steel construction and superior filtration performance at a competitive price point, making it a smart choice for professional-grade fuel system maintenance.

Specifications

ASIN	B0032BYUF0
Automotive Fit Type	Vehicle Specific Fit
Best Sellers Rank	#163,684 in Automotive ( See Top 100 in Automotive ) #1,047 in Automotive Replacement Fuel Filters
Brand	Fleetguard
Brand Name	Fleetguard
Compatible with Vehicle Type	Vehicle Specific (CATERPILLAR 1R0750)
Customer Reviews	4.8 out of 5 stars 119 Reviews
Included Components	filter
Item Diameter	9.3 centimeters
Item Type Name	filter
Item Weight	50 g
Manufacturer	Cummins Filtration
Manufacturer Part Number	FBA_FF5320
Model Number	FBA_FF5320
Number of Items	1
Number of Packs	1
OEM Equivalent Part Number	FF5320
Outer Material	Stainless Steel" or "Alloy Steel" or "Carbon Steel" or "Iron" or "Brass Outer Material Stainless Steel" or "Alloy Steel" or "Carbon Steel" or "Iron" or "Brass See more
Product Grade	Replacement Part
Style Name	Spin-On
Unit Count	1 Count
Vehicle Service Type	Vehicle Specific (CATERPILLAR 1R0750)

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€ 78.22

Duties & taxes included

In stock

Sold byAmazon FranceDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to France.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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