Power Steering Pump with Pulley 21-5442 for Honda 56110-RGL-A03.

The part number 21-5442 refers to a Power Steering Pump compatible with several Honda and Acura models, specifically the 2005-2010 Honda Odyssey, 2005-2008 Honda Pilot, and 2007-2013 Acura MDX, all equipped with V6 engines (3.5L/3.7L), replacing various OEM numbers like 56110-RGL-A03, 56110-PVJ-A01, and 56110-RYE-A02.