Quality used rear exhaust diffuser for 2015+ International IC busses. Low Cost, Warranty, Fast Nationwide Shipping!

OEM #’s & Cross #’s: Assembly kit # 3881438C1 old # 3859134C1, Diffuser Outlet # 3881440C1, exhaust Inlet 3881407C1, Diffuser Vein Assembly # 3877320C1

Please note that the part sent may not match the one shown in the picture exactly. Appearance may vary. For specific part requests, contact us. An additional core charge may apply.

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Stock #: 17C-3881438-STK