Product Overview

The TR509 Clamp-In Metal Truck Valve Stem is a premium 90-degree bent valve stem designed for commercial trucks, buses, trailers, and motorhomes equipped with drop-center aluminum wheels utilizing a 0.625 in. (15.9 mm) valve hole. Its 4.75-inch (120 mm) body and 90° bend provide excellent accessibility for inflating and checking tire pressure on dual-wheel and deep-dish wheel applications. Constructed from nickel-plated brass with a durable EPDM sealing grommet and a high-temperature valve core, the TR509 is engineered for dependable performance in demanding commercial environments and is rated for up to 200 PSI.

Features

Industry-standard TR509 clamp-in commercial truck valve stem
90° bent design for easy access on dual-wheel and deep-dish applications
Fits 0.625 in. (15.9 mm) rim valve holes
Designed for drop-center aluminum truck wheels
Heavy-duty nickel-plated brass construction resists corrosion
High-quality EPDM rubber grommet provides a secure, leak-free seal
High-temperature nickel-plated valve core installed
Rated for 200 PSI maximum cold inflation pressure
Includes valve stem, sealing grommet, washer, retaining nut, valve core, and metal cap.

Specifications

Part Number: TR509
Product Type: Clamp-In Metal Truck Valve Stem
Valve Style: 90° Bent
Valve Length: 4.75 in. (120 mm)
Effective Length: 5.45 in. (138 mm)
Rim Hole Size: 0.625 in. (15.9 mm)
Material: Nickel-Plated Brass
Seal Type: EPDM Rubber Grommet
Valve Core: High-Temperature Nickel-Plated Brass
Maximum Cold Inflation Pressure: 200 PSI
Recommended Installation Torque: 100–125 in-lb

Recommended Applications

Class 6–8 commercial trucks
Semi-trucks
Commercial trailers
Motorhomes
Buses
Fleet maintenance
Drop-center aluminum wheels
Professional heavy-duty tire service

The TR509 is one of the most commonly used valve stems for drop-center aluminum truck wheels. Its 90-degree configuration provides superior accessibility without the need for valve extensions, making it ideal for steer, drive, and trailer wheel applications.