Associated/Interchange Parts

Additional Information

CASE DIFF. N400 N340 4.78-6.14
HD Differential > Differential Carrier/Flange > Main Case > CASE DIFF. N400,N340 4.78-6.14

INTERCHANGES:
REPLACES Navistar: 1665328C91
REPLACES Spicer: 401KQ101X
REPLACES PAI: 497171
REPLACES S&S Truck Parts: S-A365
 

We ship from several national distribution centers through UPS and LTL truck services.  Most orders will ship out on the same day as ordered (by 3pm Central Time - except weekends and holidays).

Orders are delivered in 5 business days or less, with most delivered in 1-2 business days (ground service time estimates are not guaranteed).  Time sensitive and guaranteed expedited shipping options, when available, are easily displayed in your shopping cart after you enter parts and destination zip code.

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