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Our customers rely on us. We rely on our strong partners and suppliers.

A Strong Team

Supplier management

Reliable and Fair Partnership

OEMs worldwide are convinced of the quality of Purem by Eberspächer products and solutions. They trust in our competence and reliability. Behind us and this high level of performance stand strong suppliers and partners. That’s why we value a sustainable and fair business relationship. We achieve efficient cooperation by integrating suppliers into the value-added chain and through our quality management.


Reliability and trust in a partnership are one and the same for us. It’s why we rely on strong suppliers.


Dealing fairly with suppliers and their employees is important to us. The principles are defined in our Code of Conduct.


Top-quality supplier and partner deliverables are the basis of successful cooperation. We therefore regularly check supplier quality.


Together with our suppliers, we pay attention to sustainability, human rights, protecting resources, and observing legal aspects throughout the entire supply chain.


Becoming a supplier — These are the material groups we purchase

Direct materials

Stainless Steel

– Flats, rolled cold, thickness >=0.5mm, coils or sheet metal
– Bands < 0.5 mm thickness
– Filler wire, solid or WIG rod

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Welded and Cast Parts

– Flanges
– Cone
– Aluminum Casting
– Sand Casting
– Investment Casting


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Mounting Mats

– Expanding mats made of refractory ceramic fiber (RCF) or AES fiber produced by paper-making
– Mounting mats made of 100% refractory ceramic fiber or alumina fiber (PCW) produced by paper-making or needled

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CNC Turned Parts

- Various stainless-steel turned parts. Heat and corrosion resistant

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Small Components, Product-Relevant

– Silicone connecting elements
– Plastic covers
– Screw bolts, nuts, washers
– Gaskets
– Wire mesh

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Stamped and Deep-Drawn Parts, Printed Circuit Boards

– Stainless, acid- and heat-resistant material 
– Ferritic/ferrite:  1.4509; 1.4510; 1.4512; 1.4513; 1.4521
– Austenitic/austenite: 1.4301; 1.4541; 1.4828
– Printed circuit boards: thickness 0.5 mm to 3.0 mm
– Punched parts: thickness 4.0 mm to 12.0 mm, thinness 0.1 mm to 0.2 mm or thickness 0.5 to 3.0 mm


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Decoupling Elements

– Consisting of austenitic, ferritic, and Inconel steels in various thicknesses

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Electrical and Electromechanical Components

– Control units
– Actuators
– Loudspeakers
– Acoustic and EGR valves in various diameters 
– Wire Harness

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Pipes and Tailpipe Trims 

– Materials: austenitic and ferritic stainless steels in various thicknesses (0.8mm to 2.5 mm)
– Surfaces: brushed, polished, chromed. Inner tailpipes also painted
– Perforated and non perforated

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Heat shields/Isolation Shells

– Individual version according to specifications
– Thin Sheet Heat Shield <0,5 mm
– Material: Stainless Steel, Aluminium, Hot-dip aluminium
– With and w/o insulation mat

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Pressure Pipes and Brackets

– Pipe material: 1.4509
 – Bushing material: 1.4511
– Pipe diameter: 6 x 1 mm, 8 x 1  mm
– Welding: TIG (bushing), resistance (bracket)/durability (bracket)
– Stainless-steel bracket, various geometries

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Clamps, Flat Belt / V-line

– Individual version according to specifications
– Materials: 1.4301, 1.4571, 1.4512, 1.4509           
– Material thickness: 1,2 mm – 2,5 mm
– Diameters: 60 mm – 80 mm Passenger Cars. Commercial vehicle clamps can reach up to 400 mm diameter

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Indirect materials

Machinery & Equipment

- Welding applications and automated lines
- Pipe processing
- Presses (hydraulic and mechanical)
- Canning
- End of line applications
- Muffler processing
- 3D coordinate measuring machines

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- Pipe processing equipment
- Crimping tools
- Heat shield tooling (s < 0.5 mm)
- Welding fixtures
- Leakage testers and rework stations
- Checking fixtures (attributive and hybrid applications)

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Apply as a Supplier

Apply Online

You would like to apply as a supplier for Purem by Eberspächer? Please send us an email.
We look forward to receiving your application!

Purchasing Conditions

In addition to the Code of Conduct, our Purchasing Conditions form the basis for a cooperative partnership. 
To our purchasing conditions

Supplier portal

You are already a supplier for us? We are pleased to hear that!
To the supplier portal

Business Partner Code of Conduct

Download the code of conduct for business partners here:

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Mineral Compliance

Find our Conflict Minerals Policy here: