3105783|Piston Set with Rings for 2004 Ford Focus 2.0L - PRK420XP21. Compatible with the 2004 Ford Focus 2.0L, this Piston Set with Rings provides precise alignment and long-term wear resistance. Great for daily drivers, restorations, or preventative maintenance.. 2004 Ford Focus 2.0L Engine Piston Set with Rings - PRK420XP21 Also fits the following vehicles: 1997 Ford Escort 2.0L Engine Piston Set with Rings, 1998 Ford Escort 2.0L Engine Piston Set with Rings, 1999 Ford Escort 2.0L Engine Piston Set with Rings, 2000 Ford Escort 2.0L Engine Piston Set with Rings, 2001 Ford Escort 2.0L Engine Piston Set with Rings, 2002 Ford Escort 2.0L Engine Piston Set with Rings, 2000 Ford Focus 2.0L Engine Piston Set with Rings, 2001 Ford Focus 2.0L Engine Piston Set with Rings, 2002 Ford Focus 2.0L Engine Piston Set with Rings, 2003 Ford Focus 2.0L Engine Piston Set with Rings, 2004 Ford Focus 2.0L Engine Piston Set with Rings, 1997 Mercury Tracer 2.0L Engine Piston Set with Rings, 1998 Mercury Tracer 2.0L Engine Piston Set with Rings, 1999 Mercury Tracer 2.0L Engine Piston Set with Rings