Product Overview

The TR544D Clamp-In Metal Truck Valve Stem is a heavy-duty 60-degree bent valve stem designed for commercial trucks, buses, trailers, and motorhomes equipped with Alcoa® and other aluminum wheels using a 0.382–0.394 in. (9.7–10 mm) valve hole. Its angled design provides easier access to recessed valve pockets, making inflation and pressure checks more convenient without removing the wheel. Constructed from nickel-plated brass with a durable Viton® O-ring seal and a high-temperature valve core, the TR544D is built for demanding commercial service and is rated for up to 150 PSI.

Features

Industry-standard TR544D clamp-in commercial truck valve stem
60° bent design for improved access to recessed valve pockets
Fits 0.382–0.394 in. (9.7–10 mm) rim valve holes
2.90 in. (74 mm) effective length
Heavy-duty nickel-plated brass construction for corrosion resistance
Viton® O-ring provides a long-lasting, leak-free seal
High-temperature nickel-plated brass valve core
Rated for 150 PSI maximum cold inflation pressure
Ideal for Alcoa® and other aluminum commercial truck wheels.

Specifications

Part Number: TR544D
Product Type: Clamp-In Metal Truck Valve Stem
Valve Style: 60° Bent
Effective Length: 2.90 in. (74 mm)
Overall Length: Approximately 3.00 in. (76 mm)
Rim Hole Size: 0.382–0.394 in. (9.7–10 mm)
Material: Nickel-Plated Brass
Seal Type: Viton® O-Ring
Valve Core: High-Temperature Nickel-Plated Brass
Maximum Cold Inflation Pressure: 150 PSI
Recommended Installation Torque: 80–125 in-lb (9–14 N·m)

Recommended Applications

Class 6–8 commercial trucks
Semi-trucks
Commercial trailers
Motorhomes
Buses
Fleet maintenance
Alcoa® and Accuride® aluminum wheels
Heavy-duty tire service

The TR544D is the angled counterpart to the straight TR544, offering the same length and fitment with a 60-degree bend that simplifies access on aluminum wheels with recessed or offset valve pockets. It is commonly selected for steer and trailer wheels where service accessibility is important.