Cover Mercedes W169 Petrol M266 Engine Cylinder Head Valve Cover A2660100630

Cover Mercedes W169 Petrol M266 Engine Cylinder Head Valve Cover is an original component from the Tappet and valve covers group, designed for M266 petrol-powered engines. This used cover ensures a factory-fit to the cylinder head, a stable seal for the valve chamber, and the proper operation of the timing system in the Mercedes W169 engine.

Specifications and technical data

• SKU: A2660101430
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2660101430
• Substitutable numbers: A2660101430, A 266 010 14 30, A2660100630, A 266 010 06 30
• Fuel type: Petrol
• Category: Rocker & Valve Covers

Purpose and technical function

The cylinder head valve cover in the M266 engine is responsible for tightly sealing the space above the tappets and valves, limiting oil leaks, and protecting the timing components from contamination. For W169 petrol units, a correctly selected cover is essential for maintaining stable oil pressure, cleanliness inside the cylinder head, and the proper operation of the lubrication system.

The original Mercedes design ensures:

• precise fitment to the M266 engine cylinder head,
• stable oil management in the upper part of the unit,
• mechanical protection of tappets and valves against external damage.

Compatibility with the M266 petrol engine

The presented cover has been designed to work with the M266 petrol engine used in the Mercedes W169. This ensures the correct geometry of mounting points, oil channels, and the working space above the valves, which facilitates installation and subsequent maintenance.

By maintaining the original manufacturer's specifications, the component allows for:

• trouble-free replacement of a worn or damaged cover,
• maintaining the factory operating parameters of the petrol unit,
• reducing the risk of leaks around the cylinder head.

Characteristics of the used component

The cylinder head valve cover is a used component, which in practice means maintaining original build quality at a more favorable cost compared to a new part. For many users and workshops, this represents a reasonable compromise between durability and repair economy, especially in the case of older Mercedes W169 models.

Choosing an original, used cover from this group allows you to maintain the structural integrity of the engine without the need to adapt replacements with uncertain material specifications.

Application in service practice

The cylinder head valve cover from this offer is suitable both for standard replacement of a worn component and for major repair work in the upper part of the engine. This is particularly important when eliminating oil leaks, cylinder head regeneration, or comprehensive maintenance of the timing system in M266 petrol units.

In workshop practice, the use of an original cover:

• simplifies the assembly process thanks to the factory layout of mounting points,
• reduces the risk of problems with gasket fitment,
• allows for maintaining operating parameters in accordance with Mercedes manufacturer specifications.

Expansion of the tappet and valve cover system

If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other components from the same group, such as additional covers, mounting elements, or supplementary guards, check the available parts in the Mercedes Tappet and valve covers category.

More about the use of used parts

For those considering broader modifications or optimizing repair costs, practical tips on selecting used components may be useful. It is worth reading the guide describing how to consciously choose elements from the secondary market to maintain vehicle safety and functionality – detailed information can be found in the article The best used parts for tuning your car.