Diapress

Diapress Spare Parts and Components for the Suspension System

In this section of our online store, we offer a specialized catalogue of Diapress products, a well-known brand in the industrial vehicle aftermarket sector. Here you will find bellows, air springs, and elastic components designed to restore the efficiency of the air suspension system in trucks, trailers, and buses.

These components are intended for transport professionals and fleet managers who need to maintain load stability and driving comfort. Upgrading suspension elements with compatible replacement parts is essential to prevent premature wear of other chassis components and ensure proper leveling of the heavy-duty vehicle.

How to identify the correct Diapress replacement part

• OEM reference: Locate the original code engraved on the old part to perform an exact cross-reference.
• Vehicle application: Confirm compatibility with the brand, model, and year of manufacture of your truck or trailer.
• Base and top plate type: Verify whether you need the complete assembly with metal/plastic piston or only the rubber bellows.
• Dimensions and mountings: Check the diameter, maximum/minimum height, and the arrangement of mounting bolts.
• Mounting position: Ensure whether the part corresponds to the front axle, drive axle, or lift axle.

Frequently Asked Questions

What is the function of Diapress suspension components?

The brand’s components, mainly air springs and bellows, act as the elastic element that absorbs road irregularities. Their function is to maintain constant chassis height regardless of load, protecting both the cargo and the vehicle structure.

How do I know if an air spring is compatible with my vehicle?

The most reliable way to ensure compatibility is through cross-referencing. You should compare the original manufacturer’s (OEM) part number of your installed component with the technical specifications of the Diapress product. You may also consult the technical sheets available on our website.

When should suspension bellows be replaced?

Replacement is recommended when deep cracks in the rubber are visible, audible air leaks are present, or if the vehicle does not maintain a level height after the engine is switched off. Excessive wear may compromise safety and cause compressor failures due to overexertion.

Are the components sold separately or as a kit?

Depending on the specific reference, you may purchase only the rubber part (bellows) or the complete assembly with base and top plate (complete air spring). We recommend reviewing each product description in the online catalogue to confirm what is included in the supply.