Firestone 553-105 TR445 Heavy Duty Truck Inner Tube 13.00/14.00R20/21

The Firestone 553-105 TR445 is a heavy-duty truck inner tube designed for large commercial truck and equipment tires in the 13.00R20, 14.00R20, 13.00R21, and 14.00R21 size range. Manufactured by Firestone, a trusted name in commercial tire products, this tube provides reliable air retention and durability for demanding applications.

Key Features:

• TR445 valve stem configuration for heavy-duty truck applications
• Compatible with 13.00/14.00R20 and 13.00/14.00R21 tire sizes
• Constructed from durable rubber compound for extended service life
• Suitable for commercial trucks, heavy equipment, and industrial vehicles
• Provides reliable performance in high-load applications

This tube is engineered to meet the demands of commercial trucking and heavy equipment operations, offering dependable performance and quality construction. The TR445 valve stem is a standard heavy-duty configuration designed for easy inflation and maintenance.