VW Passat B8 Audi A3 8V Seat Leon FR 5F Bare Engine CJSA 1.8 180HP 79k, WARRANTY

Description

Warranty and technical condition of the part

The engine is sold with a 90-day warranty.

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

Listing details

The offer applies to a bare engine.

The engine is sold without accessories (e.g. alternator, starter motor, manifolds, injectors, turbocharger, etc.).

VW Passat B8 Audi A3 8V Seat Leon FR 5F Bare Engine CJSA 1.8 180HP is a used, complete bare engine block from the TSI family, designed for VAG group vehicles, including the dynamic Seat Leon FR versions. The bare engine serves as a solid foundation for professional repair or engine swap, allowing you to utilize the existing accessories from your car. This is a solution for users expecting a proven petrol construction that maintains factory power parameters and smooth operation.

Specifications and technical data

• SKU: 06K100035C
• Mark: Seat
• Condition: Used
• OEM Part Number: 06K100035C
• Substitutable numbers: 06K100035C, 06K 100 035 C, 06K100035CX, 06K 100 035 CX
• Fuel type: Petrol
• Number of cylinders: 4
• Category: Engines
• Engine code: CJSA
• Mileage: 79 000

Technical characteristics of the CJSA 1.8 bare engine

The presented engine is a petrol unit from the TSI family with a 1.8 capacity, featuring four cylinders in an inline arrangement. The CJSA code is used in modern VAG group models, where efficient acceleration, mid-range flexibility, and reasonable fuel consumption are prioritized while maintaining an adequate power reserve.

The bare engine includes the main block and cylinder head, serving as the foundation for further assembly with accessories from your vehicle. This solution is particularly beneficial for repairing major mechanical damage, where refurbishing the existing unit is unprofitable or technically difficult.

Application in VW, Audi, and Seat models

The CJSA 1.8 180HP engine is used in, among others, the Volkswagen Passat B8, Audi A3 8V, and the sport-tuned Seat Leon FR 5F versions. Thanks to this, the engine is suitable for both daily-driven cars and vehicles used in a more dynamic manner, where quick throttle response and stable engine operation are essential.

In vehicles such as the Seat Leon FR, the CJSA engine allows for maintaining the dynamics characteristic of this version while keeping the factory engine architecture. This is important for users who want to avoid modifications to the installation, wiring harnesses, or ECUs and expect the most trouble-free installation possible in place of the damaged unit.

Benefits of installing a used bare engine

Choosing a used CJSA 1.8 180HP engine is a solution that, in many cases, allows for a significant reduction in repair costs compared to purchasing a new engine or a full overhaul. The bare engine allows for:

• utilizing existing accessories (turbo, injectors, manifolds, auxiliary equipment) from your car,
• maintaining the original engine unit specification,
• limiting the scope of mechanical and electrical modifications,
• reducing vehicle downtime in the workshop.

An additional advantage is the possibility of a thorough verification of the engine by the workshop before installation – including compression tests, assessment of the cylinder head condition, or potential replacement of seals, which allows the unit to be prepared for further operation according to the user’s requirements.

Mileage and suitability for further operation

The engine has documented mileage, which makes it easier to assess its potential for further work. For workshops and informed users, this is important information when planning service activities before installation – such as timing belt/chain replacement, seal replacement, or checking the lubrication system.

The four-cylinder petrol unit performs well in daily operation, providing a compromise between performance and smooth operation. With proper maintenance and the use of appropriate consumables, engines from this family are capable of covering significant mileage without major mechanical interventions.

Seat engines – choosing the right engine

In the case of Seat models, including the Leon FR, it is crucial to select an engine with the correct engine code and matching construction generation. This makes it possible to maintain compatibility with the factory ECU, electrical installation, and accessories, which translates into stable operation of the unit after installation.

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

Technical support and unit selection

When purchasing a used engine, it is worth knowing the typical design problems of individual units and the differences between generations. Materials describing the failure rates of specific series, methods of verifying the condition before installation, and good service practices can be helpful. To better understand what to look for when choosing a used engine and how expensive service negligence can be, read the article Faulty BMW E90 engines: check what can ruin your budget! – even though it concerns a different brand, it shows universal risk mechanisms when purchasing used engines.