Skip to main content

About us

We are a family owned independent company and specialize in manufacturing highly precise replacement parts for fuel injection pumps for commercial vehicles, marine and generators for the after sales market.

Company history

Who we are
Karl-Heinz Rück laid the foundation of the company in Mexico City, where he has worked as an entrepreneur and stayed with his family for several years. When he returned to Germany in 1978, he founded HR Rück + Köhler.

Our mission

We deliver quality
Our experience in manufacturing fuel injection products of high precision and a solid relationship is the foundation for a long term business relationship to our customers all over the world.

Our claim

Fair together
Short decision paths, close proximity to production, and flat hierarchy allows us to react quickly and be flexible. Trust and respect when dealing with our business partners and within our company itself, combined with the love of our work is the basis for a long term business relationship.

Quality assurance

Reliable OEM quality
Due to a coordinated work process, we ensure quality controls between all production steps. The measurement of all measures, tolerances and materials are the central tasks of our quality management.

Service worldwide

Exchange across borders
Customer service is important to us. We will support you in shipping and customs purposes because for us, quality does not only refer to production. We also pay great attention to packaging. This guarantees that our products are protected from being shaken, broken or subject to corrosion and arrive at their destination in the same condition in which they left the factory.


We are AEO C authorized economic operator
The AEO scheme has been adopted by customs authorities to facilitate trade, improve safety and security, and standardize the application of customs controls. It is an internationally recognized quality mark proving a company's role in the international supply chain is secure and their customs procedures are compliant.

Use preferences

EA Approved Executor – use the advantages of products with preferential origin
We are an approved executor as our products are of European preferential origin (DE). Valid in several member states, our declaration on your invoice or documents will enable many advantages in customs clearance in several countries around the world.