DEQPA develops and manufactures high-precision components for diesel fuel injection systems, specializing in spare parts for pumps and injectors. With decades of technical expertise, the company offers a wide range of products including injector push pins, common-rail calibration shims, seals, O-rings, spacers, washers, valves, repair kits, and testing tools—all produced to international quality standards. Originally rooted in reconditioning services, DEQPA has grown into a trusted partner for workshops, OEMs, fleets, and training institutions. Its niche lies in combining innovative R&D, reliable engineering support, and efficient production to deliver cost-effective, high-performance solutions for the global diesel injection industry.