Ford Focus Mk2 Mondeo Volvo C70 Ignition Coil Pack 2.5 Petrol 30713417 Set x5

Ford Focus Mk2 Mondeo Volvo C70 Ignition Coil Pack 2.5 Petrol is a set of five ignition system components designed for 2.5 petrol engines in selected Ford and Volvo models. The set provides a practical service solution, allowing for consistent replacement of all coils in a single maintenance cycle, which improves ignition stability and the overall performance of the engine.

Specifications and technical data

• SKU: 30713417
• Mark: Ford
• Condition: Used
• OEM Part Number: 30713417
• Substitutable numbers: 30713417, 6M5G-12029-AA, 1371601
• Fuel type: Petrol
• Category: Ignition Coils

Purpose and function in the ignition system

The presented set belongs to the Ignition coils category and is dedicated to petrol engines used in, among others, the Ford Focus Mk2, Ford Mondeo, and Volvo C70. Each coil is responsible for generating the high voltage necessary for the spark to jump across the spark plug, which directly affects the efficient combustion of the air-fuel mixture.

Replacing the entire set is particularly recommended when experiencing symptoms such as intermittent misfires, rough idling, or a drop in performance at medium and high RPMs. Using a uniform set reduces the risk of variations in the operating characteristics of individual cylinders.

Compatibility and technical parameters

The coils have been designed to work with engines powered by petrol, where the engine control unit (ECU) uses individual control for each coil. The appropriate electrical characteristics (winding resistance, inductance, saturation time) are adapted to the factory ignition maps used in 2.5 units, which allows for maintaining the correct ignition timing and a stable spark across the full load range.

Manufacturer markings and available cross-reference numbers allow for precise verification of compatibility with a specific engine version and vehicle year. Before installation, it is worth comparing the connector shape, stem length, and spark plug socket type to confirm full compatibility with the existing wiring harness and cylinder head.

Performance characteristics and advantages of the X5 set

The set of five coils allows for the simultaneous servicing of the entire row of cylinders, which is beneficial both in terms of maintenance and operation. Using a consistent set limits differences in electrical parameters between individual cylinders, which translates into:

• smoother engine operation across the full RPM range,
• more stable cold and warm starts,
• reduced risk of momentary power drops during rapid acceleration,
• easier diagnostics of potential future ignition system faults.

In the case of 2.5 petrol units, which often operate under higher thermal loads, regular inspection and replacement of coils is an important preventive measure, reducing the risk of catalytic converter damage or excessive spark plug wear.

Condition of components and installation aspects

The offered set comes from a group of used original components, which in practice means maintaining factory geometry, proper fitment to the cylinder head sockets, and compatibility with the stock wiring harness. Such parts are often chosen as a reasonable compromise between cost and maintaining parameters similar to original equipment solutions.

During installation, it is recommended to:

• check the condition of spark plug sockets and valve cover seals,
• verify coil resistance before installation,
• use the appropriate tightening torque for mounting bolts,
• perform adaptation or clear error codes in the engine control unit after replacement.

Expanding ignition system maintenance and related content

If you are planning a comprehensive repair or upgrade of the engine area in your Ford and need other components from the same group, such as individual modules, complete sets, or dedicated wiring harnesses, check the available parts in the Ford Ignition Coils category.

For a broader understanding of the impact of auxiliary components on engine performance and operating culture, it is worth reading the case study of a V6 diesel engine – practical conclusions regarding the regeneration of auxiliary components can be found in the article The second life of the Mercedes OM642 engine – how injectors and the turbocharger restore power to the 3.0 V6 CDI.

Summary

Ford Focus Mk2 Mondeo Volvo C70 Ignition Coil Pack 2.5 Petrol is a functional set of five coils designed for 2.5 petrol engines, allowing for consistent maintenance of the entire ignition system. Choosing a complete package facilitates service, improves engine smoothness, and provides a practical solution for users who want to restore correct ignition parameters in their Ford or Volvo while maintaining a favorable cost-to-effect ratio.