Armrest is a direct fit for the following:

2001-2002 Chevrolet Express 1500
2001-2002 Chevrolet Express 2500
2001-2002 Chevrolet Express 3500
2001-2002 GMC Savana 1500
2001-2002 GMC Savana 2500
2001-2002 GMC Savana 3500

Genuine GM Part Number: 12479876