Heavy Equipment Parts for Caterpillar, Komatsu & Volvo

Welcome to USR Parts

Your Trusted Heavy Equipment Replacement Parts and Components Source

At USR Parts, we understand that the success of your business depends on the choices you make. That's why we go beyond offering quality replacement parts – we provide a complete solution through the USR Parts Online Network.

Parts Experts for Cat, Komatsu, and Volvo Equipment

Our team specializes in providing top-quality parts and expert customer service for Cat®, Komatsu®, and Volvo® machinery. With deep knowledge of these industry-leading brands, we ensure you receive the exact parts your equipment needs for peak performance and reliability. Trust our unparalleled expertise to keep your heavy equipment running smoothly.

Extensive Inventory

Explore our extensive inventory featuring high-quality aftermarket replacement parts. Whether you're in construction or mining, we have you covered. In addition to our in-stok inventory, we boast the largest network of genuine, aftermarket, rebuilt, and used spare parts for all popular equipment brands.

Value-driven Solutions

Our focus is on providing high-quality replacement parts at a great value. We believe in delivering solutions that not only meet but exceed your expectations. From filters to undercarriage components, USR Parts is your one-stop destination for all your equipment needs.

The USR Parts Online Network Advantage

When you choose USR Parts, you gain access to more than just replacement parts. Our Online Network provides additional resources, wider reach, and industry know-how, adding value to your operation and contributing to your success.

Constant Innovation

We are committed to continuous improvement. Every day, we add new replacement parts options and features to enhance your shopping experience. Check back with us often to discover all that USR Parts has to offer.

Explore Our Catalog

Visit our user-friendly website to explore our catalog, updated regularly to bring you the latest and best replacement parts options. Finding the right parts for your equipment has never been easier.

Your success is our priority. Choose USR Parts for quality, value, and expertise that sets us apart.

Ready to elevate your operation? Explore USR Parts today!

Shop by part number

Why Choose Us?

What sets USR Parts apart is our expert team, dedicated leadership, and exceptional customer service. We understand that your business needs more than just reliable aftermarket parts for Caterpillar®, Komatsu®, and Volvo® equipment — it needs a partner. That’s why the USR Parts network goes beyond product quality to deliver the knowledge, global reach, and responsive support that keep your heavy equipment running and your operation moving forward.

Quality Products

High-quality aftermarket replacement parts offer a smarter, more cost-effective alternative to expensive OEM parts. At USR Parts, we help you reduce your cost per hour without sacrificing performance by offering trusted aftermarket parts for Caterpillar®, Komatsu®, and Volvo® equipment. Every part we sell is hand-selected from proven brands to ensure durability, reliability, and value for your heavy machinery operations.

Superior Customer Service

At USR Parts, delivering superior customer service starts with understanding what matters most to our customers — and that begins by listening. From navigating our website to ordering aftermarket parts for Caterpillar®, Komatsu®, and Volvo® equipment, every part of the USR Parts experience is designed with your needs in mind. Whether you're tracking a shipment or speaking with our knowledgeable support team, our entire process is built to ensure convenience, reliability, and satisfaction at every step.

Genuine & Aftermarket Replacement Parts for

CAT®

Access to over one million quality replacement spare parts for Caterpillar® heavy equipment.

Caterpillar Parts

KOMATSU®

Thousands of heavy equipment replacement parts are available and ready to ship today.

Komatsu Parts

VOLVO®

Availability on thousands of aftermarket parts for Volvo Excavators, Wheel Loaders and Backhoe Loaders.

Volvo Parts

Trusted Supplier of Heavy Equipment Parts for CAT, Komatsu & Volvo