3149218|Rebuild Re-Ring Kit for 2003 Ford Explorer 4.0L - RRK436XP15. Ensure your 2003 Ford Explorer 4.0L runs smoothly with this high-quality Rebuild Re-Ring Kit. Designed for precise fitment and engineered for durability, it's the ideal choice for engine maintenance or a full rebuild.. 2003 Ford Explorer 4.0L Engine Rebuild Re-Ring Kit - RRK436XP15 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