Mercedes-Benz Actros Exhaust Flexible Pipe Overview

The Mercedes-Benz Actros exhaust flexible pipe with reference numbers 9424902019 and 9424901019 is designed for use within heavy truck exhaust systems.

Its corrugated flexible section allows controlled movement between connected exhaust components. This movement helps absorb engine vibration and accommodate expansion and contraction as exhaust temperatures change.

Compared with a fully rigid pipe connection, the flexible section reduces stress transferred to fixed exhaust pipes, welded joints, brackets, and other connected components. This is particularly important in heavy-duty trucks exposed to long operating hours, repeated heat cycles, road vibration, and varying engine loads.

The pipe also provides a continuous exhaust connection between system sections while helping maintain exhaust gas sealing and reducing vibration transmitted through the exhaust route.

Product Specifications

The dimensions and OE reference numbers should be checked against the existing exhaust pipe before ordering, especially when several exhaust configurations are used within the same truck series.

How the Flexible Exhaust Section Works

A heavy truck exhaust system is exposed to movement from several sources. Engine vibration is transmitted through connected pipes, while exhaust temperature changes cause metal components to expand and contract.

If every exhaust section were rigidly connected, these movements could place repeated loads on welds, pipe joints, mounting points, and nearby exhaust components.

The corrugated section of this Mercedes-Benz Actros exhaust flexible pipe provides controlled flexibility within the exhaust route. Instead of forcing all movement into rigid joints, the flexible section can absorb part of the vibration and thermal displacement.

This helps reduce concentrated mechanical stress on fixed connection points.

The flexible pipe is not intended to replace proper exhaust supports or compensate for major installation misalignment. Exhaust hangers, brackets, clamps, and adjoining pipes should remain correctly positioned so the flexible section can work within its intended movement range.

Application and Compatibility

This exhaust flexible pipe is intended for Mercedes-Benz Actros heavy truck exhaust systems and corresponds to OE reference numbers:

1. 942 490 2019

2. 942 490 1019

Because Actros exhaust layouts can vary by vehicle configuration, the truck model name alone should not be used as the only compatibility reference.

Before ordering, compare the OE number with the existing component. If there is any uncertainty, provide the vehicle registration information, chassis number, existing pipe dimensions, or clear photographs of the original exhaust section.

We can review this information before production or shipment to help reduce the risk of selecting the wrong replacement part.

Construction and Installation Considerations

The product uses a corrugated stainless steel flexible section with welded ends.

The corrugated structure provides the movement needed to absorb vibration and thermal expansion, while the welded end sections create defined connection points for integration into the exhaust system.

Stainless steel is suitable for exhaust applications where components are regularly exposed to heat, moisture, road contamination, and exhaust gases.

Before installation, inspect the replacement pipe together with the surrounding exhaust system. Check that adjoining pipes, brackets, clamps, and mounting points are correctly aligned.

The flexible section should not be forced into position to compensate for excessive offset between two fixed pipes. Excessive stretching, compression, twisting, or side loading can place unnecessary stress on the corrugated section.

Installation should therefore be carried out with the exhaust system properly supported and aligned. After installation, the exhaust connection should also be checked for leakage, abnormal contact, excessive movement, or interference with surrounding components.

Manufacturing and Quality Control

We have focused on flexible connection products and exhaust system components since 1992.

Our manufacturing facility covers more than 20,000 square meters and includes more than 300 skilled frontline workers. Automatic and semi-automatic TIG welding production lines are used for relevant welding operations, helping us maintain controlled and repeatable weld quality during batch production.

For products such as truck exhaust flexible pipes, dimensional consistency matters because even relatively small differences in length, connection position, or welded structure can affect installation.

We therefore focus not only on the appearance of the finished pipe, but also on repeatability between production batches.

Customization and Supply Support

Standard replacement requirements can be supplied according to the listed product specification. For projects that require changes, we can review customization based on the exhaust layout, technical drawing, sample, and intended application.

Available details that can be discussed include:

1. Pipe length

2. End connection structure

3. Flange structure

4. Surface treatment

5. Packing method

6. Private-label or custom brand packaging

Customization should be based on actual installation requirements rather than changing dimensions without reference to the exhaust system.

If you are developing an aftermarket replacement product, supplying a regional spare-parts range, or purchasing for fleet maintenance, send us the original part number, sample, drawing, or dimensional requirements.

We will review the requested configuration before production. For export shipments and warehouse replenishment, packing can also be arranged according to handling and storage requirements. Standard options include carton boxes, neutral packing, and custom brand boxes.

Specific packing and customization requirements depend on order quantity and technical details and should be confirmed before production.

OE Number and Order Verification

The manufacturer and OE numbers shown on this page are provided for product identification and cross-reference purposes.

They do not mean that this product is a genuine Mercedes-Benz component.

Vehicle configurations can differ even within the same model range. For this reason, we recommend verifying the replacement part using the OE reference, vehicle registration information, chassis number, and physical dimensions when necessary.

Before placing an order, please confirm:

1. OE number

2. Vehicle application

3. Overall dimensions

4. Existing exhaust connection layout

5. Required quantity

6. Packing requirements

7. Any special shipping instructions

If you are unsure whether 9424902019 / 9424901019 matches your truck, send us your available vehicle or component information before ordering.

Please inspect the product after receipt. If you find a discrepancy between the agreed specification and the delivered product, contact us on the delivery date so that the issue can be reviewed promptly.

For special shipping or handling requirements, inform us before shipment so the necessary arrangements can be discussed in advance.

FAQ

Is OE 9424902019 the same product reference as 9424901019?

Both OE numbers are used as reference numbers for this Mercedes-Benz Actros exhaust flexible pipe. However, vehicle configurations can differ, so you should still verify the OE number, dimensions, and chassis information before ordering.

Is this a genuine Mercedes-Benz exhaust pipe?

No claim is made that this is a genuine Mercedes-Benz part. Mercedes-Benz and OE numbers are used only for identification and replacement-part cross-reference purposes.

Why does a Mercedes Actros exhaust system need a flexible pipe?

The flexible section helps absorb engine vibration and thermal movement within the exhaust system. This reduces the amount of movement and stress transferred directly to rigid pipes, welded joints, brackets, and connected exhaust components.

What material is this exhaust flexible pipe made from?

The listed product is made from stainless steel. The current product specification does not specify a particular stainless steel grade, so a specific grade should not be assumed unless separately confirmed for an order.

Can the exhaust flexible pipe be customized?

Yes. We can review changes to details such as pipe length, flange structure, connection configuration, surface treatment, and packaging according to drawings, samples, application requirements, and order quantity.