Fresh Air Filter Element OEM Number: 20538

 DESCRIPTION:
 OEM Number: 20538
 Application: Western Star Trucks
 Description: Fresh Air Filter
 Additional Description: Black
 Product Name: Fresh Air Filter
 Notes: CONSTELLATION 2006-UP

 INTERCHANGE:
 AIRSOURCE: N/A
 All Our Parts are Brand New and covered by the Original Equipment Manufacturer's Warranty