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Racor Fuel Filter (2001-2016 Duramax)
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Racor Fuel Filter (2001-2016 Duramax)

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WARNING: Cancer and Reproductive Harm -
Part#: PFF50216

Racor Coalescer Fuel Filter (2001-2016 Duramax)

Fits 2001-2016 Chevy/GMC 2500/3500 HD 6.6L Duramax Diesel

Part# PFF50216

This is the latest and greatest high efficiency, long life, "depth coalescing media" fuel filter by Racor. This is the EXACT same filter sold by GM dealerships (Part# 12633243 or 12664429) but at a fraction of the cost. The PFF50216 has been tested to OEM standards for life, efficiency, water removal, and is now standard and backward compatible on all GM Duramax engine applications. The Racor PFF50216 coalescing filter system inside has up to twice the life and improved water removal in all blends and types of diesel fuel when compared to other paper media filters. 


  • Uses Racor developed Aquabloc II fuel filter media system solutions

  • OEM tested and proven coalescing fuel filter, direct replacement

  • Up to twice the life of standard media filters for reduced maintenance costs

  • Backward compatible with all Duramax fuel filter applications

  • Primary depth coalescer followed by a secondary polishing filter provides the highest water and particle removal efficiency available in a diesel fuel filter

  • MADE IN THE USA     



  • Filter
  • Large O-ring
  • Small O-ring



Racor's PFF50216 is a genuine direct replacement coalescing fuel filter for the GM Duramax Engine. The Racor PFF50216 fuel filter system contains a primary coalescing and a secondary polishing stage. The coalescing stage has multiple layers of specialized media that traps dirt and extracts finely dispersed water out of diesel fuel. The secondary filter strips away remaining water and polishes the fuel. The Racor PFF50216 coalescer system provides up to twice the life when compared to standard pleated media filters. The unique can design is proven to resist impact and seal deformation, "will fit" reproductions may use a different, unproven design. Accept NO substitutes.

Cutaway Diagram of the Racor Coalescer Fuel Filter PFF50216




Fits Model Years

2001- 2016

Max Flow Rate

50 GPH (189 LPH)

Max Working Pressure

30 PSI (2.07 bar)

Micron Rating

4 Micron

Center Threads

3/8"-8 Buttress

Water removal Efficiency


Operating Temperature

-50º to +225ºF (-46º to 107º C)

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