Parts for Caterpillar® Engines
KMP Brand USA supplies OEM quality aftermarket parts for Caterpillar® engines to customers across the United States, South America, Mexico and Canada. Whether you maintain a fleet, run heavy equipment, or repair diesel engines in-house, you’ll find dependable components for the most common Caterpillar® engines used in trucking, construction, agriculture and power generation. Select your engine below to find your part:
Engine Parts for Popular Caterpillar® Series in the U.S.
KMP stocks many of the most widely used Caterpillar® engines in the United States, covering heavy-duty trucks, construction equipment, generators and a range of industrial applications. These engines have earned their place in the market through long service lives, consistent performance and broad adoption across multiple industries. By carrying parts for these proven models, KMP helps operators keep trusted equipment running reliably, whether they’re maintaining a fleet of trucks or supporting large construction and power projects.
- C0.5 Series
- C0.7 Series
- C1.1 Series
- C1.5 Series
- C1.6 Series
- C1.7 Series
- C2.2 Series
- C3.3 Series
- C3.4 Series
- C4.2 Series
- C4.4 Series
- C6.4 Series
- C6.6 Series
- C7 Series
- C7.1 Series
- C9 Series
- C9.3 Series
- C10 Series
- C11 Series
- C12 Series
- C13 Series
- C15 Series
- C16 Series
- C18 Series
- C27 Series
- C32 Series
- D330 Series
- D333 Series
- D342 Series
- D343 Series
- D353 Series
- D398 Series
- D399 Series
- 3003 Series
- 3011C Series
- 3013 Series
- 3013C Series
- 3014 Series
- 3024 Series
- 3034 Series
- 3044 Series
- 3046 Series
- 3054 Series
- 3056 Series
- 3064 Series
- 3066 Series
- 3114 Series
- 3116 Series
- 3126 Series
- 3145 Series
- 3150 Series
- 3160 Series
- 3176 Series
- 3196 Series
- 3204 Series
- 3208 Series
- 3304 Series
- 3306 Series
- 3406 Series
- 3408 Series
- 3412 Series
- 3456 Series
- 3508 Series
- 3512 Series
- 3516 Series
Premium Parts for the Engines That Matter
KMP stocks many of the most widely used Caterpillar® engines in the United States, covering heavy-duty trucks, construction equipment, generators and a range of industrial applications. These engines have earned their place in the market through long service lives, consistent performance and broad adoption across multiple industries. By carrying parts for these proven models, KMP helps operators keep trusted equipment running reliably, whether they’re maintaining a fleet of trucks or supporting large construction and power projects. Our inventory covers the components you need for maintenance, repairs, and full rebuilds.
Caterpillar® C3.3 Engine Parts
A compact 4-cylinder diesel engine used mainly in small construction machines, compact loaders, telehandlers and industrial equipment. The CAT® C3.3 is known for being fuel-efficient and easy to maintain while delivering enough power for light and mid-range tasks. Our range of parts for the CAT® C3.3 include:
- Turbochargers
- Piston clips and rings
- Fuel injectors
- Gasket sets and major service items
Catpillar® C4.4 Engine Parts
A versatile 4-cylinder engine often found in backhoe loaders, small excavators and compact generators. It offers a good mix of torque and efficiency and is commonly used by OEMs because it fits well in tight engine compartments. Our range for CAT ® C4.4 engines includes:
- Oil, fuel, air and water filters
- Piston Clips and rings
- Fuel injectors
- Pumps and related components
- Gaskets and seals
Caterpillar® C6.4
Less common than other CAT® mid-range engines, this designation typically refers to engines used in select industrial applications. It supports medium-duty workloads. Our range For CAT® C6.4 engines includes:
- Filters
- Gaskets and seals
- Fuel injectors
- Turbocharger
- Valve Train Components
Caterpillar® C6.6 Engine Parts
A popular 6-cylinder engine used in skid steers, telehandlers, mid-size excavators and agricultural machinery. It’s known for reliability, smooth power delivery and durability in demanding daily use. Our range for CAT® C6.6 engines includes:
- Pistons, liners and complete overhaul kits
- Cylinder heads, valves and camshafts
- Fuel injectors and fuel system components Sensors, gaskets and hardware
Caterpillar® C9 Engine Parts
A strong mid-to-large displacement engine used across construction equipment, generators and some marine applications. It provides high torque and is popular in excavators, wheel loaders and mid-sized power units. Our range for the CAT C9® engine includes:
- Cylinder kits
- Head components
- Fuel injectors
- Gasket sets and major service items
- Oil, water and fuel pumps
Caterpillar® C15 Engine Parts
One of Caterpillar’s® most recognizable engines. Originally famous in Class 8 trucks, it’s also widely used in construction, mining and power generation. The C15 delivers high horsepower, excellent durability and a long service life, making it a favorite across multiple industries. Our range for CAT® C15 engines includes:
- Pistons, liners and complete overhaul kits
- Cylinder heads, valves and camshafts
- Fuel injectors and fuel system components Sensors, gaskets and hardware
Caterpillar® C18 Engine Parts
A heavy-duty engine used in large machines, drilling equipment, industrial pumps and bigger generator sets. It offers high horsepower and a strong torque curve, making it ideal for continuous or high-load operation. Our range for the CAT® C18 engine includes:
- Turbocharger service parts
- Valve train components
- Head components
- Fuel injectors
- Gasket and seals
- Oil, water and fuel pumps
- Filters
Caterpillar® 3508 Engine Parts
A massive V8 engine from the legendary 3500 series. It’s built for extreme-duty applications like mining trucks, marine propulsion, industrial engines and large-scale power generation. The 3508 is known for exceptional longevity and the ability to run under heavy loads for thousands of hours. Our range for CAT® 3508 engines includes:
- Belts and hoses
- Pistons and liners
- Turbochargers
- Fuel injectors
- Oil and water pumps
- Filters, gaskets, and seals
Engine Overhaul Kits for Caterpillar®
KMP Brand USA offers a range of engine overhaul kits suitable for Caterpillar® engines used in trucks, construction equipment, generators, and industrial machinery across the United States. Whether you need an in-frame or full overhaul kit, we offer high-quality options built to meet OEM specs. Each kit contains all the essential components needed for a full engine rebuild, including pistons, liners, bearings, gaskets, seals, and other critical parts designed to meet OEM standards. Our Caterpillar®overhaul kits provide a reliable solution for restoring engine performance, extending service life, and minimizing downtime. With fast shipping nationwide, KMP Brand USA ensures that fleet operators, repair shops, and equipment owners can access high-quality heavy-duty diesel engine rebuild parts wherever they operate
Quality Diesel Engine Parts for Caterpillar®
We supply OEM-quality Caterpillar® diesel engines and components for a wide range of applications. We are proud of our quality and offer an 18-month warranty on all KMP Brand parts. Our aftermarket lineup is trusted in both on-road and off-road equipment, providing reliable performance in machines from bulldozers and excavators to wheel loaders and haul trucks.
Reliable Aftermarket Caterpillar® Parts for Every Industry
KMP offers an extensive line of quality replacement parts for Caterpillar® engines, supporting equipment across agricultural, construction, industrial, marine and power generation industries.
Whatever the application, you can count on us to provide dependable options that fit your needs.
✓ Construction
✓ Agriculture
✓ On-highway
✓ Marine
✓ Power Generation
Comprehensive Selection of Parts & Components For Caterpillar® Engines
Our range covers everything from full engine rebuild kits to individual components such as pistons, ring sets, crankshafts, camshafts, oil and water pumps, fuel injectors, gaskets and seals. Whether you're handling a quick repair or a complete overhaul, we have the Caterpillar® parts you need to keep your equipment running.
We carry a wide range of OEM-quality parts and components for your Caterpillar® engine. To get started, simply choose your part below, then filter by make and model:
Fast Shipping Across the United States, Mexico, South America & Canada
KMP Brand USA ships Caterpillar® engine parts anywhere in the United States, South America and Canada. Whether you’re ordering from Alabama, Alaska, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, Florida, Georgia, Hawaii, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin or Wyoming, you can count on fast, reliable delivery anywhere you operate.
Parts Catalogues
KMP Brand® provides parts catalogues suitable for a wide range of leading diesel engines. These resources ensure that you can quickly and accurately identify the necessary replacement parts for your Caterpillar® engine. For the most current and full range of stocked lines, please select your engine below to check our stock:
Premium Quality Parts
KMP parts are built for consistent performance and long, reliable service life.
Excellent Customer Service
We pride ourselves on our reputation and setting exceptional standards.
Fast Delivery
Fast shipping from our warehouses in Texas & Miami.