Parts for Komatsu® Engines
KMP Brand USA supplies OEM quality aftermarket parts for Komatsu® 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 Komatsu® engines used in trucking, construction, agriculture and power generation. Select your engine below to find your part:
Engine Parts for Popular Komatsu® Series in the U.S.
KMP stocks many of the most widely used Komatsu® 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.
- 95 Series
- 102 Series
- 105 Series
- 107 Series
- 108 Series
- 110 Series
- 114 Series
- 120 Series
- 125 Series
- 130 Series
- 140 Series
- 155 Series
- 170 Series
- K19/KT19/QSK 19
- KT38
- KT1150
- KT2300/KTA2300
- L10
- M11/MTA11
- N14
- N855/NT855
- NH220
Premium Parts for the Engines That Matter
KMP stocks many of the most widely used Komatsu® 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.
Komatsu®6D125 / S6D125 / SAA6D125 Engine Parts
The S6D125E-2 is a mid-range Komatsu® engine that balances power, durability and serviceability, making it a common choice for dozers and similar heavy machinery in the U.S. market. The S6D125E-2 is found in machines such as: Komatsu® D65 series dozers and other medium crawler tractors, Komatsu® D87 class earthmoving equipment, various heavy-duty construction and material handling machines. Our range of parts for the Komatsu® S6D125E-2 Series include:
- Turbochargers
- Piston clips and rings
- Fuel injectors
- Gasket sets and major service items
Komatsu® 6D95 / S6D95 / 4D95 Engine Parts
The Komatsu® 6D95 is a widely used 5.9-liter, six-cylinder diesel engine found in mid-size construction machines like the PC200-series excavators and various loaders. It delivers roughly 110–160 horsepower with strong low-end torque, making it well suited for digging and continuous earthmoving work. Known for solid reliability, straightforward maintenance and broad parts availability, the 6D95 has remained a popular choice in the U.S. for fleets that rely on dependable daily performance. Our range for Komatsu® 6D95 engines includes:
- Oil, fuel, air and water filters
- Piston Clips and rings
- Fuel injectors
- Pumps and related components
- Gaskets and seals
Komatsu®6D102 / S6D102 / SAA6D102 Engine Parts
The Komatsu® S6D102E is a six-cylinder, turbocharged diesel engine used in a range of mid-size excavators, loaders and earthmoving equipment. It’s designed to deliver solid horsepower and torque for heavy work cycles while meeting emissions standards. Operators value it for dependable performance, good fuel efficiency and straightforward serviceability, which keeps it common in U.S. construction fleets. Our range for Komatsu® S6D102E engines includes:
- Filters
- Gaskets and seals
- Fuel injectors
- Turbocharger
- Valve Train Components
Komatsu® 6D140 / S6D140 / SAA6D140 Engine Parts
The Komatsu® S6D140 is a robust six-cylinder diesel engine used in larger construction and earthmoving machines like big wheel loaders, dozers and haul trucks. It’s built to deliver high horsepower and strong torque for heavy continuous work, with a design focused on durability and reliable performance. In the U.S., it’s valued for handling tough loads and long hours on demanding jobsites. Our range for Komatsu® 6D140 / S6D140 / SAA6D140 engines includes:
- Pistons, liners and complete overhaul kits
- Cylinder heads, valves and camshafts
- Fuel injectors and fuel system components Sensors, gaskets and hardware
Komatsu®S6D114 / SA6D114 / SAA6D114 Engine Parts
The S6D114 series is a 6-cylinder, inline diesel engine platform designed for medium to heavy construction equipment. It’s commonly found in excavators, wheel loaders, dozers and other earthmoving machines that need strong, consistent torque for long duty cycles. These engines are most commonly seen in machines like the Komatsu PC300 and PC350 excavators, WA-series wheel loaders, and mid-size dozers. Our range for Komatsu® 114 engines includes:
- Turbocharger service parts
- Valve train components
- Head components
- Fuel injectors Gasket and seals
- Oil, water and fuel pumps
- Filters
Komatsu®6D105 / S6D105 Engine Parts
The Komatsu® 6D105 / S6D105 is a 6-cylinder, inline, water-cooled diesel engine designed for reliable performance in mid-size construction equipment. It’s widely used in excavators, wheel loaders and other earthmoving machines where steady power and durability matter more than peak output. Our range for Komatsu® 105 engines includes:
- Belts and hoses
- Pistons and liners
- Turbochargers Fuel injectors
- Oil and water pumps
- Filters, gaskets, and seals
Engine Overhaul Kits for Komatsu®
KMP Brand USA offers a range of engine overhaul kits suitable for Komatsu® 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 Komatsu® 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 Komatsu®
We supply OEM-quality Komatsu® 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 Komatsu® Parts for Every Industry
KMP offers an extensive line of quality replacement parts for Komatsu® 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 Komatsu® 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 Komatsu® parts you need to keep your equipment running.
We carry a wide range of OEM-quality parts and components for your Komatsu® 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 Komatsu® 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 Komatsu® 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.