Stemco 640-0003 Screw-In Hubodometer Hub Cap with Gasket

6 Qty Stemco Hub Cap p/n 640-0003 The STEMCO 640-0003 is a screw-in style hubodometer hub cap designed for use on heavy-duty truck and trailer axles. Here's a breakdown of its key features: Manufacturer: STEMCO Part Number: 640-0003 Type: Screw-in hub cap for hubodometers Application: Commonly used on Fruehauf and Propar trailer axles Function: Designed to house a hubodometer, which tracks mileage for maintenance and fleet management Includes: Gasket (part no. 330-3077) for sealing 1 This hub cap is engineered for durability and long service life, helping to keep contaminants out while retaining lubricant inside the hub., Core Charge: 0