Glow Plug Relay for 1994 - 2003 7.3L Power Stroke F-250 &mdash; F-550, 2000 - 2002 7.3L Power Stroke F-650/F-750/Excursion, 1997 - 2003 7.3L Power Stroke E-Series, & 1995 - 2003 International T444E We are an authorized Alliant Part Dealer-you get your full warranty! All Alliant Parts are covered by a 13 month unlimited mileage warranty Parts are Manufactured in USA!