3149207|Rebuild Re-Ring Kit for 2004 Ford Explorer Sport Trac 4.0L - RRK436XP4. Replace your original Rebuild Re-Ring Kit with this direct-fit unit for the 2004 Ford Explorer Sport Trac 4.0L. Trusted by mechanics and DIYers alike, it helps maintain optimal engine operation and performance.. 2004 Ford Explorer Sport Trac 4.0L Engine Rebuild Re-Ring Kit - RRK436XP4 Also fits the following vehicles: 2001 Ford Explorer Sport Trac 4.0L Engine Rebuild Re-Ring Kit, 2002 Ford Explorer Sport Trac 4.0L Engine Rebuild Re-Ring Kit, 2003 Ford Explorer Sport Trac 4.0L Engine Rebuild Re-Ring Kit, 2004 Ford Explorer Sport Trac 4.0L Engine Rebuild Re-Ring Kit, 2005 Ford Explorer Sport Trac 4.0L Engine Rebuild Re-Ring Kit, 2001 Ford Explorer Sport 4.0L Engine Rebuild Re-Ring Kit, 2002 Ford Explorer Sport 4.0L Engine Rebuild Re-Ring Kit, 2003 Ford Explorer Sport 4.0L Engine Rebuild Re-Ring Kit, 2001 Ford Explorer 4.0L Engine Rebuild Re-Ring Kit, 2002 Ford Explorer 4.0L Engine Rebuild Re-Ring Kit, 2003 Ford Explorer 4.0L Engine Rebuild Re-Ring Kit, 2004 Ford Explorer 4.0L Engine Rebuild Re-Ring Kit, 2005 Ford Explorer 4.0L Engine Rebuild Re-Ring Kit, 2006 Ford Explorer 4.0L Engine Rebuild Re-Ring Kit, 2007 Ford Explorer 4.0L Engine Rebuild Re-Ring Kit