Heavy-Duty Diesel Core Supplier for Remanufacturers

We are a core material supply partner that understand your business.

Reliable Diesel Core Supply Solutions for Heavy-Duty Truck Parts Remanufacturers


For more than 36 years, River City Truck Parts has helped heavy-duty truck parts remanufacturers secure a dependable supply of manufacturer-acceptable diesel cores and components. We understand that production delays, inventory shortages, and inconsistent core quality directly impact profitability and customer satisfaction.


Our team works with remanufacturers throughout North America to provide quality-inspected diesel engine cores, transmission cores, differential cores, brake shoe cores, caliper cores, cylinder heads, turbochargers, and other heavy-duty truck components that help keep production lines moving.


Because you don’t just need parts — you need a partner who understands your business. We have been helping remanufacturers with core material since 1987. We learn your core needs, and they become a priority for our parts acquisition team. 


Why Remanufacturers Partner With River City Truck Parts


Consistent Core Supply

We maintain one of the industry's largest inventories of heavy-duty truck parts and diesel cores, helping remanufacturers reduce supply disruptions and improve production planning.


Quality Inspections

Every core is identified, inspected, and processed through standardized procedures designed to help ensure manufacturer acceptability and reduce unnecessary handling and sorting.


Nationwide Logistics

Our strategic location near Louisville, Kentucky, and our nationwide transportation network allow us to efficiently ship cores throughout the United States and Canada.


Industry Experience

For more than three decades, we have developed relationships with truck fleets, dealerships, dismantlers, salvage yards, repair facilities, and parts distributors that continually generate new core acquisition opportunities.



Diesel Cores and Components Available


We regularly source and supply:

  • Diesel engine cores
  • Cylinder head cores
  • Camshaft cores
  • Transmission cores
  • Differential cores
  • Brake shoe cores
  • Caliper cores
  • Turbocharger cores
  • Fuel system components
  • Drivetrain components
  • Heavy-duty truck accessories
  • New surplus and excess inventory

Brands supported include:

  • Cummins
  • Caterpillar
  • Detroit Diesel
  • Volvo
  • Paccar
  • Eaton Fuller
  • Meritor
  • Dana/Spicer
  • International/Navistar


Core Identification, Inspection & Packaging Procedures:


We have developed an advanced core identification program to ensure the parts provided to our partners meet and exceed any specified core criteria.


We have a dedicated professional team to help fulfill and meet your needs. Our core Inspectors receive "hands on" OE and remanufacturing training. This training ensures that our quality and accuracy are consistent throughout our inspection and packaging process.


When preparing product for shipment we utilize our standardized packaging process to ensure accuracy and to simplify processing at your facility.


Contact us to speak with one of our experts.

Frequently Asked Questions

  • What is a diesel core supplier?

    A diesel core supplier purchases, inspects, processes, and distributes used heavy-duty truck components that can be remanufactured and returned to service.

  • What types of cores do remanufacturers need?

    Most remanufacturers require diesel engine cores, cylinder heads, transmissions, differentials, brake shoe cores, calipers, turbochargers, and fuel system components.

  • How does River City Truck Parts ensure quality?

    Every core is received, identified, inspected, and processed through standardized procedures designed to help ensure manufacturer acceptability.

  • Does River City Truck Parts ship nationwide?

    Yes. We ship heavy-duty truck parts and diesel cores throughout the United States, Canada, and international markets.

  • Where are you located and how do I get there?

    We are located just south of Louisville Ky off Interstate 65 Exit 121. Check out our 

    website or Click here for a map and directions. 849 Barricks Rd Louisville Ky 40229

  • What are your business hours?

    8 am – 5 pm Eastern Monday – Friday.  We are closed on Saturday and Sunday. We stop pulling parts off trucks and engines at 4:00.

  • Can I talk to someone after hours?

    You can submit a request form online HERE or as a Facebook page message and someone will get back to you as soon as possible 


Ask the Expert

Contact us to speak with one of our experts and learn more about our Core Management Services.

Let's Talk