Riffraff Diesel 6637 Filter Kit

Part Number:
RDP6637

Manufacturer:

$89.00
(475 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

475 Reviews Hide Reviews Show Reviews

  • 5
    Simple and Elegant overall Excellent

    Posted by Britt on Mar 30th 2015

    Got just what ordered. Delivery was quick and quality is as expected. Will order more stuff from RiffRaff :)

  • 5
    Excellent Product

    Posted by Steve on Mar 25th 2015

    Went on easy, fast shipping, great service. As usual.

  • 5
    great product

    Posted by craig on Mar 23rd 2015

    A great improvement from the stock restrictive intake, mine was cracked and destroyed my compressor wheel. Very easy to install and performs great. The black cover looks great under the hood. My turbo and engine are definitely much happy now.

  • 5
    Best product around

    Posted by Unknown on Mar 20th 2015

    It was fast on delivery and fit my 2001 f350 perfect. Very pleased with the package in general. Great product and company.

  • 5
    The Best

    Posted by Unknown on Mar 19th 2015

    The best there is for the 7.3 powerstroke.

  • 5
    great product and price

    Posted by Unknown on Mar 19th 2015

    This kit is about the same price as the Napa giler. But now you get a filter, filter cover, and connecting pipe. Fits great and saves money!

  • 5
    awesome

    Posted by Unknown on Mar 19th 2015

    Best there is for 7.3 hands down

  • 4
    Great Product!

    Posted by Unknown on Mar 17th 2015

    I really like this filter kit and could actually feel a slight difference in performance. Would have given 5 stars but the filter needs anchored.

  • 5
    Super easy.

    Posted by Unknown on Mar 14th 2015

    Quick change for OEM equipment from Ford. 7.3 can actually breathe now, which you can actually hear. Everything needed is included and took about 30 minutes.