National Truck & Heavy Equipment Claims Council

The Automotive Parts Remanufacturers Association

APRA is a non-profit trade association whose members remanufacture automotive and truck related "hard" parts for passenger cars, trucks, off-road, marine, equipment and industrial uses.

Diesel Component Casting Numbers

ITPA members have access to an electronic Casting Number Directory. For more information, follow the link to the left. Contact info@itpa.com for a user ID and password .

Heavy Duty Remanufacturing Group

HDRG is a market segment of the Automotive Parts Remanufacturers Association. The HDRG is devoted to representing the interests of the remanufacturers in the commercial vehicle market.

Automotive Aftermarket Industry Association

HDDA is the primary source of information and communications to its growing membership who share in common an intense interest in the heavy duty aftermarket. We enable our members to make better business decisions through a series of report and industry events – especially Heavy Duty Aftermarket Week – that are “must attend and participate” activities. Through both formal and informal communication channels, we build and maintain an active network valued by its participants who are seeking practical solutions to their commercial activities.