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

📏176.28 mm height - optimal fit

🔩1-14 UNS-2B thread - precise compatibility

🛢️93.47 mm OD - robust size

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₨822

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Description

🛠️ Upgrade your fuel game — filter smarter, drive stronger!

TRUSTED COMPATIBILITY - Crosses perfectly with Caterpillar 1R0750 for guaranteed fit
DURABLE SPIN ON DESIGN - Easy installation and removal with a secure, leak-proof seal
PRECISION ENGINEERED FIT - Seamlessly replaces OEM filters for hassle-free upgrades
COST EFFECTIVE RELIABILITY - Premium filtration without the premium price tag
SUPERIOR FILTRATION PERFORMANCE - Keeps your fuel system pristine, enhancing engine longevity

The Cummins Filtration Fleetguard FF5320 is a high-quality spin-on fuel filter designed with a 93.47 mm outer diameter and 176.28 mm height, featuring a 1-14 UNS-2B thread size for precise fitment. Compatible with Caterpillar 1R0750, it offers superior filtration performance at a fraction of OEM costs, ensuring reliable engine protection and easy installation for professional-grade maintenance.

Specifications

ASIN	B0032BYUF0
Best Sellers Rank	#132,270 in Automotive ( See Top 100 in Automotive ) #902 in Automotive Replacement Fuel Filters
Brand Name	Fleetguard
Compatible with Vehicle Type	Vehicle Specific (CATERPILLAR 1R0750)
Customer Reviews	4.8 4.8 out of 5 stars (115)
Included Components	filter
Item Diameter	93.47 Millimeters
Item Type Name	filter
Item Weight	50 Grams
Manufacturer	Cummins Filtration
Manufacturer Part Number	FBA_FF5320
Outer Material	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

Reviews

L**E

Great filtration at a nice price

I bought an adapter kit off the web that allows me to replace the very expensive OEM filters ($50-60) for my Chevy Duramax with these nicely priced filters that do a better job of filtration. I've been using this setup for over a year. No issues and no fuel related problems. I added a wheel well door from the same place that makes the adapter that allows me to change the filter without removing the wheel and liner. Big time and dollar savings all around.

27.12.2014

A**R

Works great

Perfect fit great price

18.08.2025

J**E

Go to product

Fleetwood is my go to product for my ‘06 Cummins

23.06.2025

M**.

Es un buen producto y me encanta el precio excelente lo uso para mi camión freightliner m2 2022 estoy muy contento

6.03.2024

H**.

use it on my Ram 3500

I use this mounted underneath my Ram pick-up 3500 (with Cummins diesel engine)on the fuel rail in conjunction with a Fleetguard Fuel Water Separator FS1212. It works great and is easy to reach. The mounting kit is available from James Weaver at [...] It is an aftermarket setup.

6.08.2010

S**M

👍

WELL MADE AND WELL PRICED

15.12.2020

T**I

Four Stars

ITS A FILTER

29.12.2017

G**Z

Perfect fit

Exactly as described and fits perfect

24.09.2020

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