Firestone 553020 Medium Truck Inner Tube 7.50R20 with TR441 Valve Stem

The Firestone 553020 is a premium quality medium truck inner tube designed for 7.50-20 and 7.50R20 tire sizes. This heavy-duty tube features a TR441 valve stem, a 90-degree bent metal valve specifically engineered for truck and bus applications.

Key Features:

• Fits tire sizes: 7.50-20 and 7.50R20
• TR441 valve stem with 90-degree bend for easy inflation access
• Compatible with both radial and bias ply tires
• Designed for medium-duty truck applications
• Manufactured from high-quality rubber compound for durability
• Engineered to stretch and conform to proper tire fit

Important Application Note:

This tube is specifically designed for use on 20-inch split rim wheels commonly found on antique and vintage medium-duty trucks, grain trucks, and older commercial vehicles. It is not intended for modern wheel applications. The TR441 bent valve stem design allows for proper clearance in slotted rims and provides convenient access for inflation and pressure checking.

Firestone inner tubes are built to meet rigorous quality standards, providing reliable service life and dependable performance in demanding truck and commercial vehicle applications.