Sign In
Welcome! Sign In to personalize your Cat.com experience
If you already have an existing account with another Cat App, you can use the same account to sign in here
Register Now
One Account. All of Cat.
Your Caterpillar account is the single account you use to log in to select services and applications we offer. Shop for parts and machines online, manage your fleet, go mobile, and more.
Account Information
Site Settings
Security
Are your filters and fluids working together to optimize the lifecycle of your engine?
We all used to think it... filters are filters and fluids are fluids. Then we asked, "Who could protect Cat® engines better than the team that engineered them?" Ever since Cat filters and fluids have delivered industry-leading protection for your Cat equipment. From unique design to proven results, they make a real difference for your bottom line.
Learn about the intricacy of which our filters are designed and the details surrounding each piece of the filter and how it works with Cat fluids and SOS Fluid Analysis to prevent wear on your engine.
Learn how Cat filters, fluids, and SOS Fluid Analysis keep your whole system – and fleet – operating at optimal levels.