Renault Laguna 3 1.5 dCi Complete Engine K9K 780 K9K780 110HP 54k miles WARRANTY

Warranty and technical condition of the part

The engine is sold with a 90-day warranty.

The warranty covers the engine itself; engine accessories are covered by a 30-day warranty.

The power unit was tested before removal and is in full working order.

Listing details

The offer applies to a complete engine.

The engine comes from a right-hand drive (RHD) vehicle. The wiring harness is not compatible with left-hand drive (LHD) vehicles and requires replacement or modification.

Renault Laguna 3 1.5 dCi Complete Engine K9K 780 K9K780 110HP 54k miles WARRANTY is a complete powertrain from the K9K family, designed for Renault vehicles equipped with the 1.5 dCi diesel unit. This is a solution for users looking for a proven, factory-spec diesel engine with optimized performance characteristics and favorable operating parameters. Thanks to its compact design and well-thought-out powertrain architecture, this engine provides a solid foundation for the repair or replacement of the unit in your Laguna 3.

Specifications and technical data

• SKU: 7701478133-1
• Mark: Renault
• Condition: Used
• OEM Part Number: 7701478133
• Substitutable numbers: 7701478133, 7701 478 133
• Fuel type: Diesel
• Number of cylinders: 4
• Category: Engines
• Mileage: 54 000

Technical characteristics of the 1.5 dCi K9K unit

The K9K family engine is a four-cylinder diesel unit with a modern design, engineered for efficient diesel combustion and stable operation across a wide range of loads. The cylinder layout ensures smooth operation, and the accessory configuration promotes consistent torque delivery under typical road conditions. The use of high-pressure fuel injection technology allows for precise dosing, which translates into predictable throttle response and optimized fuel consumption.

The 110 HP version in the Laguna 3 was developed as a compromise between dynamics and economy, making it well-suited for both city driving and long-distance travel. The block and cylinder head construction is prepared to withstand the higher thermal loads typical of modern diesel units, which is important for the long-term operation of D-segment vehicles.

Purpose and application in the Renault Laguna 3

The complete engine dedicated to the Renault Laguna 3 1.5 dCi is suitable for users who want to restore full powertrain functionality after a major failure or are planning an engine replacement for maintenance reasons. By maintaining the original specification, installation in the vehicle allows for the preservation of factory operating parameters without the need for modifications to the wiring or vehicle electronics (provided it is correctly matched to the specific equipment version).

The K9K family unit is widely used across the Renault range, which facilitates access to service, technical documentation, and spare parts. For workshops, this means a predictable installation process, and for the user, it means easier maintenance of the engine in good technical condition.

Benefits of choosing a complete diesel engine

Choosing a complete diesel engine for the Laguna 3 brings a number of practical advantages:

• maintaining structural consistency with the original vehicle configuration,
• the ability to restore factory performance and operating characteristics,
• easier installation compared to extensive repairs of a disassembled unit,
• reduced risk of component incompatibility when the engine version is selected correctly.

For the user, this means a more predictable final repair result and the ability to continue using the car while maintaining the driving comfort typical of a Laguna 3 with a 1.5 dCi engine. The Engines category includes components crucial for vehicle operation, which is why selecting a complete powertrain is an important stage of any major drivetrain repair.

Condition, mileage, and operational aspects

The offered engine comes from the secondary market, which is important from the perspective of repair budget planning. The unit has a specific mileage, which allows for a better assessment of its remaining service life and helps in planning potential maintenance tasks after installation, such as replacing consumables or checking auxiliary components. In the case of used diesel engines, it is always recommended to verify the timing system, lubrication system, and the condition of accessories before final installation in the vehicle.

The four-cylinder diesel engine is a design well-known to independent and authorized service centers, which facilitates diagnostics and subsequent inspections. For the user, this means access to a wide network of workshops that have experience with K9K units in the Renault Laguna 3.

Matching by numbers and additional materials

When selecting a complete engine for a specific version of the Laguna 3, it is crucial to check compatibility using part numbers and engine unit markings. Proper identification helps avoid problems with the compatibility of accessories, wiring harnesses, or the engine control unit. If necessary, it is worth seeking assistance from a workshop or comparing the markings with the currently installed unit.

If you are planning a comprehensive repair or upgrade of the engine area in your Renault and need other components from the same group, such as blocks, heads, or complete powertrains, check the available parts in the Renault Engines category.

For those interested in a broader context regarding the failure rates of powertrains in other brands, an article describing typical problems with units in a popular model from the Bavarian manufacturer may be helpful – you can find it here: Faulty BMW E90 engines: check what can ruin your budget!.

If you want to deepen your knowledge on the safe selection of components by OEM numbers and avoid mistakes when shopping online, it is worth reading this practical guide: Online parts shopping without risk – 5 ways to verify compatibility by OEM numbers. This will make it easier for you to verify whether the offered engine is the right choice for your specific Renault Laguna 3.