Contact Your Dealer

Maintain Your Performance

Cat dealer worker fulfilling a parts order at a computer
Cat dealer worker fulfilling a parts order at a computer

Prepare Your Products For Optimal Performance

Maximize Uptime With Preventive And Targeted Maintenance Services

 

There’s nothing routine when it comes to the maintenance that keeps your vessel afloat and your engines running. You need proven solutions. Cat® Marine offers genuine parts, certified repairs, critical fluid analysis and dealer-backed services that support your maintenance strategy to maximize uptime — helping you maintain performance longer.

Make Maintenance Easier And More Efficient

Your work never stops, so make sure you are prepared to stay the course. Our parts and services help you stay organized and keep your vessel’s engine performing at peak efficiency.
 


Genuine Cat® Parts

Genuine Cat Parts are here to help improve engine performance and reliability when you need it.

To support your parts needs, we have strategically located 70 parts distribution centers in 24 countries on 6 continents shipping to more than 200 countries worldwide. Over 99 percent of the parts ordered by Cat dealers are shipped from Caterpillar distribution centers within 24 hours.

Get Parts Fast
Dealer making a parts delivery on a dock
Dealer making a parts delivery on a dock

Remanufactured Parts

Your work helps move the world. It also takes its toll on even the most durable equipment. The question is, when it’s time to make repairs, how can you reduce downtime and costs while maintaining future reliability? Cat Reman is your solution. Get remanufactured Genuine Cat Parts that are readily available, perform like new and — with core return1 — cost a fraction of the cost of new parts.

See The Benefits
Cat C-9 Reman Engine
Cat C-9 Reman Engine

Exchange Programs

You don’t have to travel far to take advantage of parts exchange services. Wherever your vessel takes you, your Cat dealer can connect you with Caterpillar-approved reusable components and quick replacement options that reduce downtime.

Get Expert Service
Cat dealer organizing parts in a drawer
Cat dealer organizing parts in a drawer

S·O·S℠ Services Fluid Analysis

Your fluids tell the real story of your operation. Our S·O·S℠ Services Fluid Analysis, supported by Caterpillar scientists, check your oil, coolant and equipment to ensure overall system health. Standard testing includes oil sample review, coolant analysis testing and fuel monitoring, which can help reduce the total costs of ownership, improve performance and give you actionable insights into your Cat engine.

Start The Process
Technician inspecting a marine engine
Technician inspecting a marine engine

Filters & Fluids

To protect your Cat engine, trust the people behind it. Cat filters and fluids are engineered protection systems designed specifically for Cat equipment, delivering high-quality protection. From unique design to consistent results, Cat filters and fluids prevent wear and help you maintain a healthy bottom line.

See The Difference
Cat Fuel Filters on a marine engine
Cat Fuel Filters on a marine engine


Dive Deeper

Build your aftermarket knowledge with expert insights, practical guidance, and real-world considerations—from part selection and planning to long-term reliability.
 

Looking For Parts
For Your MaK Engine?

Keep your vessel operating with parts and service solutions built for MaK engines. Find options across new parts, REParts™, and used parts—supported by expertise for troubleshooting, in-situ work, and overhauls. When uptime matters, count on OEM-backed guidance and a global service network designed to help reduce risk, plan maintenance, and extend engine life.

Learn more
Man working on engine
Man working on engine
Tugboat taking a ship out of harbor

Save On Marine Repairs With These MCS-Compliant Cat Reman Options

Read up on how Cat Reman sets you up with remanufactured, OEM-grade Cat equipment that saves you time and money while helping you stay compliant.

 

 

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Boats stored on land near a dock

When to Adjust Valves on a New Engine

Learn when to perform your first valve adjustment and why proper valve lash is key to maintaining performance, fuel efficiency and long-term engine reliability.

Learn More

Cat Dealers Make the Difference

Your Cat dealer is committed to maximizing your success, helping you get the most out of your operations with site-level solutions, service and support.

Contact Your Dealer
Cat dealer shaking hand with a customer on a dock
Cat dealer shaking hand with a customer on a dock

1 - *Represents U.S. environmental impacts of gate-to-gate remanufacturing and remanufacturing processes for Cat engines and components, as defined in the 2018 United Nations Environment Programme report “Redefining Value – The Manufacturing Revolution.” Does not include impacts elsewhere in our value chain.