Firestone 557831 16.9/18.4R50 Farm Tractor Inner Tube TR218A Valve

The Firestone 557831 is a heavy-duty agricultural inner tube designed for large farm tractor tires in the 16.9 and 18.4R50 size range. This tube features the TR218A valve stem, which is a standard straight rubber valve commonly used in agricultural applications.

Key Features:

• Fits 16.9R50 and 18.4R50 tractor tire sizes
• TR218A straight rubber valve stem for reliable inflation and air retention
• Constructed from durable rubber compound to withstand heavy loads and field conditions
• Designed specifically for agricultural and farm equipment applications
• Provides dependable air retention in demanding farming environments

This inner tube is an essential replacement component for maintaining proper tire pressure and performance on large agricultural equipment. The TR218A valve configuration ensures compatibility with standard air chucks and inflation equipment commonly found in farm settings.