Fitment — Super Duty (6.0L Power Stroke): Direct-fit 5-pin EGR valve repair pigtail for F-250 / F-350 / F-450 / F-550 2003–2007 (pickup & chassis cab; SRW/DRW; 2WD/4WD; Regular/Super/Crew Cab). These model years use the 6.0L Power Stroke; connector matches the EGR valve plug.
Fitment — Excursion & E-Series (6.0L): Excursion 2003–2005 and E-350 / E-450 2004–2010 with the 6.0L diesel use the same 5-wire EGR valve connector; this pigtail restores broken/brittle plugs.
Fitment — Medium-Duty (verify by VIN): F-650 / F-750 2003–2008 equipped with the 6.0L may share the same EGR valve 5-pin plug; confirm by VIN because medium-duty trucks offered multiple engine options.
International/Navistar (VT365) refs often searched by fleet buyers: 1846296C1 / 1846296C91 (VT365 EGR valve). Including these improves discoverability for medium-duty and bus chassis with VT365.