3083002|Piston Ring Set for 2004 Ford Focus 2.0L - PR459XP17. Whether you're replacing worn-out components or tackling a complete engine overhaul, this Piston Ring Set for your 2004 Ford Focus 2.0L offers dependable fitment and meets OEM-level performance standards.. 2004 Ford Focus 2.0L Engine Piston Ring Set - PR459XP17 Also fits the following vehicles: 1997 Ford Escort 2.0L Engine Piston Ring Set, 1998 Ford Escort 2.0L Engine Piston Ring Set, 1999 Ford Escort 2.0L Engine Piston Ring Set, 2000 Ford Escort 2.0L Engine Piston Ring Set, 2001 Ford Escort 2.0L Engine Piston Ring Set, 2002 Ford Escort 2.0L Engine Piston Ring Set, 2002 Ford Focus 2.0L Engine Piston Ring Set, 2003 Ford Focus 2.0L Engine Piston Ring Set, 2004 Ford Focus 2.0L Engine Piston Ring Set, 2000 Ford Focus 2.0L Engine Piston Ring Set, 2001 Ford Focus 2.0L Engine Piston Ring Set, 1997 Mercury Tracer 2.0L Engine Piston Ring Set, 1998 Mercury Tracer 2.0L Engine Piston Ring Set, 1999 Mercury Tracer 2.0L Engine Piston Ring Set