Mercedes-Benz C W203 220CDI OM611 OM612 Diesel Preheater Housing A6110700411

The Mercedes C W203 220CDI Heater Housing is a component from the Hoses, Pipes & Tubing category, designed for diesel systems in popular C-Class models. The carefully designed housing ensures stable routing of the working medium and proper operating conditions for the heater in a diesel engine, contributing to smooth engine operation. A used OEM component is a sensible choice for drivers seeking a technically matched solution at an attractive price.

Specifications and technical data

• SKU: A6110700411
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6110700411
• Substitutable numbers: A6110700411, A 611 070 04 11
• Fuel type: Diesel
• Category: Hoses, Lines & Pipes

Purpose and Function in Diesel Systems

The heater housing in a diesel engine is responsible for safely routing the medium (most commonly fluid or fuel) in the area where it is heated. In 220CDI units, this is particularly important at low ambient temperatures, where it is crucial to:

• ensure efficient preparation of fuel or fluid for cold start operation,
• maintain stable flow parameters across the entire load range,
• reduce the risk of air ingress and local pressure drops.

A well-chosen heater housing supports the proper functioning of the diesel fuel system, which translates to engine running smoothness and durability.

Construction and Role in the "Hoses, Pipes & Tubing" Category

As a component within the Hoses, Pipes & Tubing group, the housing works with other system components to create a sealed flow path. Its tasks include:

• ensuring proper positioning of hoses relative to the heater,
• protection against unwanted vibrations and chafing,
• maintaining the correct flow geometry of the working medium.

Thanks to its factory fit for the diesel system in the Mercedes C-Class W203, installation is predictable, without the need for modifications or custom brackets.

Benefits of Using an Original Heater Housing

Using an original heater housing in a 220CDI engine allows for the preservation of parameters specified by the vehicle manufacturer. In practice, this means:

• maintaining the factory routing of hoses in the engine bay,
• better compatibility with existing accessories and brackets,
• reducing the risk of leaks resulting from ill-fitting aftermarket parts.

A used OEM part is a compromise between cost and quality – it allows for maintaining the cohesion of the hose system in the diesel engine, without incurring the expenses typical of new parts.

Condition, Installation, and Service Application

The heater housing is offered as a used part, which is often a practical service solution for components in the hoses and pipes category. Such components, when maintaining seal integrity and correct geometry, can be successfully used in maintenance repairs, such as:

• eliminating leaks within the medium heating system,
• restoring factory hose routing after previous modifications,
• comprehensive fuel system servicing in diesel engines.

Selecting the correct heater housing for a specific 220CDI version can shorten repair time and reduce the risk of fitting issues.

Related Products and Technical Knowledge

If you are looking for other components from the Mercedes Hoses, Pipes & Tubing category, check out the Mercedes hoses, pipes & tubing available in our store to complete the entire system according to manufacturer requirements.

You can find more practical information on the operation and servicing of diesel engine accessories in the article "Reliability Under the Star – How to Care for Engine Accessories in Popular Mercedes-Benz C-Class and E-Class Models?", which discusses common issues and best practices for selecting parts for Mercedes engines.