OEM INTERCHANGE PART NUMBER 1: A446. XC90 2.5T 5 CYL 2.5L 2004-2006 USED FOR REMOVING AND INSTALLING THE THE TOP STRUT RETAINING NUT. VIN: 59; SEDAN, AUTOMATIC TRANSAXLE. XC90 T6 6 CYL 2.9L 2003-2005 USED FOR REMOVING AND INSTALLING THE THE TOP STRUT RETAINING NUT.