Quote:
Originally Posted by Old Scout
Dont think overall dimensions of the filter are as important AS LONG AS the filter fits inside the confines of the canister. What is of critical importances is that the opening at the end of the filter fits over the alignment cone at the back of the canister and creates/allows a good seal between the filter and the canister wall. If you try to use a 400 filter on a 350--it will probably work ok [trust but verify]--you may already have a 400 filter in yr 350 and dont realize it. Howerver, you cannot use the smaller opening 350 filter on a 400--a gap will occur and you will dust yr engine.
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NOT good advice. In checking our database on these two filters and housings (Nelson). Making one "fit" is the ticket to dusting. Both filters have a specific housing.
AF25548 uses the AH19079 (Fleetguard) housing. Quick check of the inlet and outlet connections diameter will confirm this housing: both inlet and outlet are 6 inches OD.
AF25549 uses the AH19080 housing. The inlet (round end) is 6 inches. The outlet (side of housing) is 7 inches.
If there ever is a need for a warranty claim, use of the incorrect filter in a housing regardless of a manufacturing defect will void warranty.
The Cummins/Fleetguard Guy,
Gary