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1994.5 - 1997 7.3L Power Stroke Diesel  

Replacing Cold Air Intake System

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Old Jun 7, 2023 | 09:39 PM
  #1  
montgomerycowgirl's Avatar
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Replacing Cold Air Intake System

1997 7.3l powerstroke

While my previous mechanic was diagnosing a problem, he broke the air filter housing and finding the cover part I need is unfortunately next to impossible. According to my mechanics, I need to replace the whole system to get moving again. They are extremely unhelpful in recommending an aftermarket system. And I am completely useless in all things truck knowledge... all I know is when it runs, I can tow my horses and mules. Any how, best options, recs? Thank you in advance! Pics of what I'm working with.


 
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Old Jun 7, 2023 | 09:56 PM
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Check the 6637 mod. Cheap and effective.
or buy an aftermarket cold air system like Banks, S&B etc..
 
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Old Jun 7, 2023 | 11:00 PM
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Didnt believe me on the 6637 in the previous thread? JK. The Original air box is prone to cracking, as you can see. Sometimes it cracks and you dont know it. Then you ingest dust. That is called dusting a 7.3 Powerstroke and there are a lot of them. Chews up the turbo and more importantly your cylinder walls and rings causing loss of compression. Just put "dusted 7.3 Powerstroke" into your most favoritist search engine. Nothing wrong with the 6637 mod works good, proven for decades and its affordable.
 
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Old Jun 8, 2023 | 09:44 AM
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6637 is on mine

or spend hundred's on a aftermarket box, dont go K&N, been known to allow dust through
 
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Old Jun 8, 2023 | 10:05 AM
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Are you paying to repair the shop's mistake?

Anyway, I like my S&B.
 
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Old Jun 8, 2023 | 10:09 AM
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https://www.riffraffdiesel.com/riffr...37-filter-kit/
 
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Old Jun 8, 2023 | 10:19 AM
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Originally Posted by Hit Man X
Are you paying to repair the shop's mistake?

Anyway, I like my S&B.
Those air boxes were a mistake from the factory LOL
 
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Old Jun 8, 2023 | 02:01 PM
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I have trashed at least 4 stock air boxes. I dont save them and I dont feel bad about it even. 6637 from riffraff is the go to. Much better than stock in lots of ways.
 
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Old Jun 14, 2023 | 04:16 PM
  #9  
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Intake parts are very hard to find

@montgomerycowgirl- Never easy to find these parts. I have been looking for the intake tube in your bottom picture for about 2 months now with no luck anywhere.

 
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Old Jun 14, 2023 | 08:49 PM
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I just got hose clamps and 4" corrugated plastic dust collector tubing, with 6637 filter laying on some foam strips where the old filter box used to be. Very minimalist.
 
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Old Jun 15, 2023 | 08:32 AM
  #11  
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6637 should be very easy for you to do. See pics.



these are just some photos from google. You just need the filter. And the elbow
 
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Old Jun 21, 2023 | 09:55 PM
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https://www.ebay.com/itm/266306642171
 
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