Riffraff Diesel 6637 Replacement Filter

Part Number:
RDPFILTER

Manufacturer:

$67.11
$48.64
(You save $18.47 )
(154 reviews) Write a Review
Riffraff Diesel 6637 Replacement Filter

Riffraff Diesel 6637 Replacement Intake Filter for Ford 7.3L 94-03

We suggest buying them in quantities of 2 as your shipping won't increase much and you will save money.

100% Made in USA

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  • 5
    Really good

    Posted by Stephen on May 4th 2018

    I will always buy this filter and not the over priced napa 6637 filter ...overall i love it . it give a massive amout of clean filterd air for my 96 powerstroke .also best price i have seen.

  • 5
    Great Deal

    Posted by Unknown on May 3rd 2018

    Best deal for the money. Order 2

  • 5
    Product cheaper here..

    Posted by Unknown on Apr 6th 2018

    Cheaper than the average auto parts store great product. Arrived on time. great air filter.

  • 4
    just what i expected

    Posted by Unknown on Feb 26th 2018

    riffraff has always been my go-to for parts and whatever i need for the truck, quality stuff at good prices

  • 5
    Great price and great product

    Posted by Zach on Jan 22nd 2018

    Beats any parts store on price

  • 5
    WOW!

    Posted by G Hardin on Oct 18th 2017

    Increased boost from 24-25 to 27mmhg. Mileage increase three quarter mpg. Get up & go is increased & readily felt. HAPPY HAPPY

  • 5
    Donaldson Filter

    Posted by Kal on Oct 5th 2017

    Converted to this system years ago. Just needed a new filter. Price was fair in comparison to similar in auto parts stores.

  • 5
    Great products great service

    Posted by Unknown on Jun 24th 2017

    Riff Raff has the best products in the best price in quick shipping will always buy from them.

  • 5
    Great product, at a Great price!

    Posted by Unknown on May 24th 2017

    I keep coming back to this site! The products are quality and the customer specie is too.
    Just got done receiving my order of 3 6637 air filters. I've shopped around, and you can't beat these prices!
    My air filters came as Donaldson brand.
    Thanks, RiffRaff!