Genuine Cat parts are built to support the way you work - with 100% confidence. Getting the right parts, service, and support fast is essential to keeping your machines up and running, so you can achieve maximum productivity. So give your Cat equipment the support it deserves – support that’s designed around you. After all, that’s what we’re built to deliver. Learn more

Cat Customer Value Agreements (CVAs) help keep your Cat machine easy to own and ready to work. Any CVA starts with hassle-free maintenance, featuring genuine Cat parts, delivered right on schedule, right to your location. Learn more

Parts reference guides provide you with a quick reference for the parts and part numbers you need to keep your Cat machines running at peak efficiency. Download reference guide


Your Cat powered equipment needs more than “good enough.” It needs a perfect match. Here are the top five reasons you should use genuine Cat parts with your Cat industrial engines:

  1. Cat parts are constructed of top-quality materials, built to exact original specifications by our engineers and rigorously tested to ensure maximum performance.
  2. Cat parts are precisely matched to other Cat components for an exact fit to deliver greater reliability, durability and longer life.
  3. We maintain the largest inventory of replacement parts in the industry to ensure the best possible availability. You can receive your parts either same day or next day anywhere you work.
  4. By using only Cat parts you maintain your equipment integrity to maximize its resale value.
  5. Cat parts come with a 12-month warranty backed by Caterpillar and supported by dealers around the world.


Fleet Management 

Use My.Cat.Com’s condition monitoring and preventive maintenance workflow to maximize uptime and reliability.



Order Online

24/7 ordering, pay on account or by credit card, machine and frequently ordered lists



Order by Phone

Call our expert team of Peterson representatives with access to Caterpillar's most advanced databases



Cat Card

Earn special rebates when you use the Cat Card just like a credit card at Peterson Cat and Peterson The Cat Rental Store.

Details and Applicaiton


Order in Person

Return cores, pick up parts and work with parts experts at any of our counters



Cat Publications

Purchase genuine Cat parts catalogs and Operation & Maintenance Manuals available in print, CD, or digital download

Cat Publications


Parts Reference Guides

Select your machine type and download a free Parts Reference Guide

Parts Reference Guides