Water Line Mercedes W204 M274 Turbocharger Return Pipe A2742032702

The Mercedes W204 M274 Radiator Hose Pipe is an original equipment cooling system component for gasoline engines, designed to Mercedes standards. This used turbocharger and parts component maintains factory coolant flow characteristics and proper heat dissipation from the engine.

Specifications and technical data

• SKU: A2742032702
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2742032702
• Substitutable numbers: A2742032702, A 274 203 27 02
• Fuel type: Petrol
• Category: Turbos & Parts

Purpose and function in the cooling system

The radiator hose for the Mercedes W204 with the M274 engine is responsible for stable coolant transport between key system components. The correctly selected pipe geometry and internal diameter support uniform heat dissipation, which is especially important in petrol engines operating under higher thermal loads.

This component works with the turbocharger and other cooling system components to help maintain optimal engine operating temperature. This reduces the risk of overheating, performance degradation, and accelerated component wear.

Construction, fitting and assembly

As part of the turbocharger and parts group, the hose was designed specifically for the Mercedes W204 with the M274 engine. This means:

• factory fit to the cooling system connections and adjacent components,
• maintaining proper cable routing in the engine compartment,
• reducing stresses resulting from engine operation and temperature changes.

A used component allows for a cost-effective repair while maintaining the original assembly specifications. This simplifies the mechanic's work and reduces the risk of leaks resulting from improper fit.

Benefits of using the original radiator hose

The use of a radiator hose dedicated to the Mercedes W204 with the M274 petrol engine brings a number of practical benefits:

• stable operation of the cooling system thanks to maintaining the factory cross-section and shape of the cable,
• better cooperation with the turbocharger and engine accessories,
• reducing the risk of coolant leaks when installed correctly,
• maintaining thermal parameters close to factory ones, which contributes to the durability of the drive unit.

The used condition of the part allows for reduced service costs while maintaining the original design and purpose of the item.

Fit for petrol engine

The hose is designed to work with the gasoline engine cooling system, which is important for flow characteristics and temperature resistance. Proper matching to the fuel type helps maintain:

• stable operating temperature of the unit over a wide load range,
• correct operating conditions of the turbocharger and accessories,
• safe thermal reserves during urban and extra-urban driving.

Other radiator hoses for Mercedes

If you are looking for other radiator hoses dedicated to cars of this brand, check out our radiator hoses for Mercedes category, where you will find a wide selection of cooling system components adapted to various models and engine versions.

Technical knowledge and diagnostics of vehicle systems

When servicing the cooling system, it's also worth paying attention to other components that affect the vehicle's safety and handling. Useful information about steering system operation, signs of wear, and diagnostics can be found in the article "Steering and Power Steering – How Does It Work and What Breaks Down?" , which will help you better plan comprehensive vehicle maintenance.

Summary

The Mercedes W204 M274 Radiator Hose Pipe is a used, original equipment cooling system component from the turbocharger and aftermarket group, designed for gasoline engines. It ensures factory fit, proper coolant flow, and compatibility with the M274 engine design, making it a practical choice for repairs and maintaining engine thermal efficiency.