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Holt of California’s traditional way of offering customers the ability to order parts online, PartStore, will be retired on Tuesday, November 8. The next evolution in buying Genuine Cat parts online is now available through

If you are new to ordering parts online with Holt of California, please register with Users who try to register with PartStore Classic will be redirected to 

Hello  Classic is a mobile-friendly platform, allowing you to order parts from virtually anywhere you have access to the internet - your computer, tablet, even your smartphone. By ordering parts online you can avoid sitting on hold on the phone or waiting in line at the parts counter.

And with, you still receive parts from Holt of California the same way you do with PartStore, walk in or phone orders. Parts can be shipped to any location, picked up at your preferred Holt of California location or sent to your nearest drop box location.

We will be communicating with all existing PartStore Classic users throughout October, leading up to and after our Friday, November 4th retirement date. Your PartStore Classic login credentials provide you with access to today. We highly recommend you try it out and start using it. However, we will continue to offer you access to PartStore Classic until November 4th.

Ordering online from offers

  • Multiple Ways to Find Parts
  • Access to over 1.4 million Parts
  • Ability to find the Right Part, Every Time with ‘Parts Lookup’ Feature
  • Real-time Availability
  • Access to Technical Information for all Cat Equipment
  • Credit Card Purchases
  • Ability to Input Bulk Orders Quickly & Accurately
  • 24/7 Access
  • Account-specific Pricing & Availability when Logged in
  • Ability to Download Cat Checklists for In-house Servicing

Still not sure about Watch these short How to Videos to see just how easy ordering parts can be on