Replacement Parts Catalog

Heavy equipment replacement parts for Caterpillar™, Komatsu™ & more

Hydraulic pumps, final drives, undercarriage, engine components, filters, and powertrain parts for excavators, wheel loaders, dozers, track loaders, and earth moving equipment - with shipping across the U.S. and Canada.

Caterpillar™ and Komatsu™ heavy equipment replacement parts inventory

Platinum Parts™ Authorized Distributor

Parts for the brands you trust most

Regal Corporation is a proud distributor of Platinum Parts™ and a dependable source for replacement parts covering Caterpillar™ and Komatsu™ heavy equipment. We carry engine and machinery components for Dozers, Excavators, Track Loaders, Wheel Loaders, Front Loaders, Backhoe Loaders, and earth moving machines - supporting repair shops, contractors, and equipment owners.

Product Categories

Every system. Every heavy-duty component.

Our catalog spans hydraulic systems, powertrain, undercarriage, filtration, fuel and air, and electrical components for excavators, wheel loaders, dozers, and earth moving equipment.

Hydraulic Systems

Hydraulic system replacement parts for excavators, loaders, and dozers used in everyday repair and rebuild work.

  • Hydraulic pumps
  • Hydraulic motors
  • Cylinders & seal kits
  • Control valves
  • Hoses & fittings

Engine & Powertrain

Engine and powertrain components for diesel heavy equipment - including overhaul kits, rotating assemblies, and electrical starting parts.

  • Camshafts & crankshafts
  • Pistons & liners
  • Turbines & turbochargers
  • Compressors
  • Starters & alternators

Filtration & Service

Routine maintenance parts to help reduce downtime and support ongoing service for CAT™ and Komatsu™ machines.

  • Oil filters
  • Fuel filters
  • Air filters
  • Hydraulic filters
  • Gaskets & seals

Fuel & Air Systems

Fuel delivery and air management parts for diesel engines used in earth moving and construction equipment.

  • Fuel lines & injectors
  • Fuel pumps
  • Air intake components
  • Turbochargers
  • Exhaust components

Undercarriage & Transmission

Heavy-duty undercarriage and drivetrain replacement parts for track-type excavators, dozers, and crawler loaders.

  • Track chains & shoes
  • Rollers & idlers
  • Sprockets
  • Final drives
  • Transmissions

Electrical & Lighting

Electrical components and lighting to help support visibility, safety, and reliable operation on the jobsite.

  • LED & halogen lights
  • Wiring harnesses
  • Sensors
  • Batteries
  • Switches & controls

Supported Brands

All the top machinery brands

Caterpillar™

Komatsu™

John Deere™

Volvo™

Platinum Parts™

And More!

Caterpillar™

Komatsu™

John Deere™

Volvo™

Platinum Parts™

And More!

RegalLink Client Portal

Order replacement parts online 24/7 through the secure RegalLink client portal - check inventory and place orders any day, any time.

Client Login

FAQ

Heavy equipment parts questions

What heavy equipment brands do you supply parts for?

Regal Corporation helps customers source replacement parts for Caterpillar™, Komatsu™, John Deere™, Volvo™, and other major construction and earth moving brands, including aftermarket Platinum Parts™.

Do you carry parts for excavators and wheel loaders?

Yes. We help source hydraulic pumps, final drives, swing motors, travel motors, undercarriage components, filters, seals, and engine parts for excavators, wheel loaders, track loaders, dozers, and backhoe loaders.

Can you cross-reference an OEM part number?

Yes. Send us the part number, equipment make, model, and serial number - our team will help cross-reference a replacement or aftermarket option and quote availability, price, and shipping.

How fast can heavy equipment parts ship?

Next-day service may be available on many U.S. orders, depending on part availability, location, and shipping method.

Do you sell to repair shops and equipment owners?

Yes. We work with small wholesale repair shops, independent repair shops, contractors, and equipment owners - with cross-referencing support and friendly sourcing assistance.

Need a specific part? We'll help find it.

Send us the part number, equipment model, and serial number - we’ll help cross-reference, check availability, and ship.