Mini Cooper S R55 R56 R57 LCI N18 Petrol Engine Connecting Rod Piston Conrod

Mini Cooper S R56 LCI N18 Piston Conrod Petrol is an original part of the crankshaft-piston system designed for the N18 petrol engine in the facelifted R56 Mini Cooper S model. This solution allows for professional engine repair while maintaining factory operating characteristics and appropriate durability. By using parts from the Mini group, you can restore engine efficiency without compromising on fit and performance.

Specifications and technical data

• SKU: 7621253
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 7621253
• Substitutable numbers: 11247621253, 7621253, 11257577070, 7577070, 11247597419, 7597419, 11247589064, 7589064, 11247550568, 7550568, 11257601181, 7601181
• Fuel type: Petrol
• Category: Other Engine Parts

Purpose and Technical Characteristics

The presented piston with conrod is a component of the power transmission system in the N18 petrol engine used in the Mini Cooper S R56 LCI. It is designed for turbocharged units where proper tolerances, piston geometry, and conrod stiffness are crucial. The construction ensures correct piston guidance in the cylinder, stable operation at higher RPMs, and preservation of stock power and torque parameters.

Benefits of Using an Original Piston with Conrod

Using a complete piston with conrod in the Mini Cooper S R56 LCI N18 engine allows for:

• maintaining the factory running culture of the engine,
• preserving stock performance parameters and fuel consumption,
• proper cooperation with other components of the crankshaft-piston system,
• reducing the risk of vibrations and improper mixture combustion.

Therefore, engine repair based on an original component is a safe and technically predictable solution, especially important in turbocharged petrol engines.

Component Condition and Application in Service Practice

The offered piston with conrod is a used part from disassembly and is classified as a used Mini part. It is an attractive alternative to new components, especially for comprehensive overhauls where both cost and adherence to original specifications are important. Before installation, standard workshop verification is recommended – measuring clearances, inspecting mating surfaces, and assessing gudgeon pin bores and conrod big end condition.

The component is suitable for the following applications:

• overhaul of the N18 unit after mechanical damage to one of the cylinders,
• repair after engine seizure or overheating of the petrol engine,
• rebuilding a complete set of pistons and conrods in the Mini Cooper S R56 LCI engine.

Why Choose Original Mini Other Parts

For heavily loaded components like pistons and conrods, maintaining compliance with the manufacturer's factory documentation is crucial. Original Mini other parts ensure:

• precise fit for the specific engine version,
• compliance with the operating parameters of the petrol unit,
• the ability to use existing service documentation and assembly procedures.

This is particularly important in modern engines, where even minor deviations in the mass or geometry of crankshaft-piston system components can affect durability and running smoothness.

Technical Knowledge Supplement and Parts Offer

If you are interested in comparing solutions used in performance engines, it is worth familiarizing yourself with an analysis of high-power engine constructions – you can find it in the article comparing Audi RS units with other models, which discusses differences in engine, brake, and chassis construction.

If you need other parts from the Other category dedicated to this brand, check our offer and select the appropriate Mini other parts to comprehensively complete your car's repair.