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Part #: AFE44-LF001

AFE 44-LF001 Pro-Guard D2 Oil Filter

2001-2019 GM 6.6L Duramax
Part #: AFE44-LF001
★★★★★ ★★★★★ 5 Reviews
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The AFE 44-LF001 Pro-Guard D2 Oil Filter for your 2001-2019 GM 6.6L Duramax is the next generation in oil filter technology. This oil filter is constructed with extreme conditions in mind. A heavy duty 600lb. burst strength canister wrapped in a matte black finish. The inside of the filter uses a NF21 synthetic composite material which provide maximum engine protection with minimal flow restriction. Heavy duty coil spring, wire backed media, center tube and .100 thick base plate provides maximum strength. The Pro-Guard D2 Oil Filter outflows and has a high filter efficiency than all other oil filters on the market today.

  • Heavy-duty 600lb. canister
  • Heavy-Duty coil spring on diesel applications
  • Wire-backed media provides strength
  • NF21 synthetic composite material provides maximum engine protection with minimal flow restriction
  • Heavy-duty center tube provides maximum flow 
  • Anti-backflow valve to reduce damage during cold starts
  • Heavy-duty .100"-thick base plate for extra strength
  • Heavy-duty Nitrile rubber gasket for a leak-free seal


  • MFG. Number 44-LF001
  • Manufacturer Name AFE
  • Shipping Weight 2.00 lb.
  • Shipping Length 4 in.
  • Shipping Width 6 in.
  • Shipping Height 4 in.
  • Fuel Type Diesel
  • UPC 802959440100
  • Warranty Yes
  • Warranty Info 90 Day
  • Prop 65 WARNING: Cancer & Reproductive Harm -


Currently Viewing Reviews with a rating of 5. Click here to reset.
★★★★★ ★★★★★
5.0/5 Stars out of 5 Reviews
Always reliable
(California, MD) | June 23rd, 2019
XDP never lets me down. Will keep checking the oil color over time but the Rotella hasn't gone completely back yet.
Great Oil Filter
(Florida) | August 29th, 2018
In my 13' LML, I used to only use Fram Ultraguard filters, then Mobil1, then K&N, but they always started to leak a bit after 3-4K miles. These AFE filters are great. I've done 3 oil changes with these filters and I've been amazed at the fact I never get that small drop of oil on the bottom of the filter. Plus my oil seems so much cleaner. I use Champions Blue Flame 15w40 SynBlend and when I go to change the oil, it still has a small amount of blue tint to the oil. Rotella would be blacker than black when the oil would be changed and it would be somewhat thick when combined with those other filters. The Blue Flame paired with this AFE filter leaves the oil smooth and clean.
AFE Filer
(Columbia, MD) | February 3rd, 2018
Oil is noticeably cleaner on the dipstick. I check the level once a month and it isn't as black as it usually is when using the a.c. Delco filter. Idk if it has anything to do with the Lucas additive I run. But definitely satisfied and will continue to use these.
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Questions and Answers

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Most Popular Questions

What is the filtration level. How many microns? Performance
View Staff Answer 

The AFE 44-LF001 PRO-GUARD D2 OIL FILTER (SPIN-ON) will meet and/or exceed the factory recommendation for micron rating.