50 years of experience in the alternative spare parts sector
Diessa was born with a clear purpose: to offer efficient and reliable solutions in equivalent spare parts for industrial vehicles. With more than half a century of experience, we have grown alongside our customers, adapting to market needs and evolving to become a benchmark in the alternative spare parts sector for trucks and buses.
From the very beginning, we have embraced innovation, continuous improvement, and a service model that goes far beyond basic parts distribution. Today, Diessa is much more than a supplier: we are a logistics and service partner for transport and logistics professionals who seek OEM-equivalent quality, immediate availability and fast, efficient deliveries—with a solid commitment to sustainability, innovation and efficiency.
Mission,
vision and
values
Our mission
From the start, our mission has been to provide OEM-equivalent spare parts for commercial vehicles with quality guaranteed, specialized technical support and logistics solutions tailored to the sector. We innovate with excellence, improve operational efficiency and actively contribute to the sustainable development of the industrial spare parts sector at both national and international levels.
Our vision
To become the go-to logistics partner in the distribution of alternative spare parts, known for our reliability, capacity for innovation, agility and sustainable commitment.
We aim to consolidate our global leadership in visible V.I. parts Made by DIESSA, manufactured for strategic clients in international markets, thanks to solid alliances and an active internationalization strategy.
We want to be the first choice for distributors, workshops and fleet operators.
Our values
Commitment to the customer
We listen to their needs and build long-term, trust-based relationships.
Certified quality
Spare parts with standards equivalent to OEM, ensuring durability, precise fit, and compliance with current European regulations (CE).
Efficiency and speed
Optimized logistics for 24h delivery in the Iberian Peninsula and customized solutions abroad.
Continuous innovation
We incorporate the latest technologies, trends, and advanced strategies, anticipating market needs in storage, distribution, processes, and the implementation of the latest models and parts.
Sustainability
Aligned with ESG principles:
- E (Environmental): circular economy, photovoltaic energy, emission and waste reduction.
- S (Social): work-life balance, equality.
- G (Governance): transparency, responsibility, and fairness.
Strategic collaboration
We build lasting relationships with partners, employees, and customers.
We are
different
Made by DIESSA
More than logistics: a comprehensive solution.
We have one of the largest warehouses in the sector, with over 6,500 items in stock, ensuring immediate availability.
Thanks to our partnership with Maersk, we optimize national and international logistics with fast, secure, and sustainable deliveries, reducing emissions through shipment consolidation.
Logistics partner, not just a supplier
Commitment to the sector and innovation
Specialized technical support and extended hours
Commitment to quality
Commitment to sustainability
More than logistics: a comprehensive solution.
We have one of the largest warehouses in the sector, with over 6,500 items in stock, ensuring immediate availability.
Thanks to our partnership with Maersk, we optimize national and international logistics with fast, secure, and sustainable deliveries, reducing emissions through shipment consolidation.
Trust and support
At Diessa, we work with the highest quality standards, backed by recognized certifications in the sector. Additionally, we are part of strategic associations that reinforce our commitment to excellence and the evolution of the alternative spare parts market.




Do you need solutions for your fleet?
We are your best ally in equivalent spare parts for industrial vehicles.