CCIYU Harmonic Balancer Belt Drive Pulley Fits for 1990-1997 F ord AeroStar 1991-2001 F ord Explorer 2001 F ord Explorer Sport Trac 1990-2000 F ord Ranger 1994-2000 M azda B4000

COMPATIBILITY - Only fit 1990 1991 1992 1993 1994 1995 1996 1997 F ord AeroStar 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 F ord Explorer 2001 F ord Explorer Sport Trac 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 F ord Ranger 1994 1995 1996 1997 1998 1999 2000 M azda B4000 1991 1992 1993 1994 M azda Navajo 1998 1999 2000 2001 M ercury Mountaineer REPLA CE NUMBERS - F0TZ 6B321A XL2Z6312-BA F0TZ6B321A XL2Z6312BA F0TZ6B321-A XL2Z6312BA 594-111 309-00558 309-00452 WHY REPLA CE - Reduces torsional vibration and serves as a pulley for the engine drive belts