Riffraff Diesel 6637 Filter Kit

Part Number:
RDP6637

Manufacturer:

$89.00
(474 reviews) Write a Review
99.5-03 Donaldson White 6637 Filter Kit

Riffraff Diesel 6637 7.3L Intake Filter Kit

This kit contains: 

- Riffraff Diesel 6637 Filter
    - Optional AFe Big Boost washable, or a Donaldson Blue® Filters
- Custom "Riffraff Diesel" Pre-filter Cover (Optional $29)
- Filter Adapter Tube 
    - 94-Early 99 Uses a 45* Tube
    - Late 99-03 Uses a straight Tube
- SS T-Bolt Clamp

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1994-Early 1999 Powerstroke production date 12-7-1998 and before
Late 1999-2003 Powerstroke production date 12-7-1998 and after
Write a Review

474 Reviews Hide Reviews Show Reviews

  • 5
    6637 Filter Kit

    Posted by Josh on Mar 8th 2020

    Quality product and works exactly as expected!

  • 5
    Air filter kit

    Posted by Zac on Mar 8th 2020

    Quick and easy install. Quality parts. Turbo loves it.

  • 5
    Let that 7.3 breath easy

    Posted by Big Tweed on Mar 6th 2020

    Better throttle response, can definatly hear the turbo now, and I could swear I'm getting .5-1 mpg better.

  • 5
    Diesel Filter Kit

    Posted by JB on Feb 6th 2020

    Fit perfect and a competitive price

  • 5
    AFE filter is awesome.

    Posted by Shane on Jan 31st 2020

    The AFE filter was an awesome addition to the upgrades I just did.

  • 5
    Great kit

    Posted by Victor on Dec 28th 2019

    Easy install, went right in on my 2002 7.3 just had to cut the airbag away from the battery bottom. Took about 20-30 mins start to finish. She is breathing nice and easy now!

  • 5
    Awesome! Def worth it!!

    Posted by Alfonso H on Dec 28th 2019

    Worth every penny, best bang for your buck!
    AFE big boost filter
    5 min install

  • 4
    Great product

    Posted by Jake T on Dec 25th 2019

    Tight fit but worked great

  • 4
    Air intake

    Posted by David Helems on Dec 10th 2019

    Easy instillation and turbo sounds a bit better.