Tube 3NP37 TR13 Gateway Multi-Size Tire Inner Tube GR13/14/15

The Gateway 3NP37 is a universal tire inner tube designed to fit a wide range of 13-inch, 14-inch, and 15-inch passenger car and light truck tires. This versatile tube features a TR13 straight rubber valve stem and is constructed from high-quality butyl rubber for superior air retention and durability.

Key Features:

• Multi-size fitment for GR13/14/15 tire applications
• TR13 straight rubber valve stem with 1.38-inch length
• Compatible with both radial and bias ply tires
• Premium butyl rubber construction for reliable air retention
• Made in South Korea to Gateway quality standards
• Sold in boxes of 10 tubes

This inner tube accommodates numerous tire sizes across three rim diameters, including popular sizes like 185R13, 195/70R14, 205/70R15, and many lawn and garden tractor applications. The TR13 valve stem may require a B6 valve stem adapter bushing if your wheel has a larger 5/8-inch stem hole. Gateway tubes are known for their consistent quality and long-term performance in automotive, light truck, and utility vehicle applications.