Land Rover Discovery Sport L550 Bare Engine AJ20P3 269HP 13k miles, WARRANTY

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.). Land Rover Discovery Sport L550 Bare Engine AJ20P3 269HP 13k miles, WARRANTY is a used, petrol engine block designed for modern Land Rover powertrains. This solution is for users looking for a technically advanced, high-power engine while maintaining control over repair costs. Thanks to the bare engine configuration, you can flexibly transfer the accessories from your existing unit, matching the engine to the specific vehicle specification.

Specifications and technical data

• SKU: LR178207
• Mark: Land Rover
• Condition: Used
• OEM Part Number: LR178207
• Substitutable numbers: LR178207, R3P36006AA, R3P-36006-AA
• Fuel type: Petrol
• Number of cylinders: 3
• Part type: Engine Long Block
• Category: Engines
• Engine code: AJ20P3
• Mileage: 13 000

Technical characteristics of the AJ20P3 engine block

The presented engine block belongs to the Engines category and represents a modern petrol design with three cylinders. This type of layout allows for a favorable compromise between power, refinement, and the weight of the powertrain. The AJ20P3 code identifies a specific family of engines used in the Land Rover Discovery Sport L550, which facilitates precise matching to the vehicle and verification of compatibility based on factory numbers and catalog data. A bare engine means that the user utilizes existing accessories (e.g., intake, exhaust, fuel system, or electrical components) from the previous unit, which helps optimize costs and maintain a configuration consistent with the specific vehicle's equipment. This form is particularly beneficial for professional repairs where the ability to control every stage of assembly is important.

Purpose and application in the Land Rover Discovery Sport L550

The AJ20P3 engine was designed for modern Land Rover powertrains, where both dynamics and fuel efficiency are important. The 269 HP version provides a distinctly sporty character, working well with the advanced drivetrain and traction systems used in the Discovery Sport L550. A used engine block is suitable for situations where the existing unit has suffered serious mechanical damage or would require an uneconomical major overhaul. Using a complete block with the cylinder head allows for reduced vehicle downtime while maintaining high consistency with the factory design. This solution is frequently chosen by workshops specializing in the Land Rover brand that expect a predictable assembly process and easy integration with vehicle electronics.

Benefits of choosing a used engine block

Choosing a used engine block from the AJ20P3 family is a way to significantly reduce repair costs while maintaining the original architecture of the powertrain. Compared to a full overhaul of a damaged engine, installing a complete block often allows you to:

• reduce vehicle downtime in the workshop,
• limit the risk of failure associated with complex block or cylinder head repairs,
• maintain consistency with the factory operating parameters of the unit,
• better plan the repair budget thanks to a predictable scope of work. An additional advantage is the ability to use existing accessories, which facilitates compatibility with the electrical installation, engine control unit, and auxiliary systems. For many users and service centers, this is a practical, technically sound solution that allows for restoring the vehicle's full performance without the need to invest in a brand-new unit.

Selection, verification, and assembly aspects

To correctly select an engine block for a specific Discovery Sport L550, it is recommended to verify compatibility using the engine code, catalog data, and vehicle documentation. Professional installation should include a thorough check of the condition of accessories, seals, cooling and lubrication systems, as well as updating the ECU software if required by the manufacturer. In the case of used units, it is also crucial to properly prepare for the first start-up after assembly: proper filling with operating fluids, bleeding the systems, and checking operating parameters during start-up. Such an approach minimizes the risk of irregularities and allows you to fully utilize the potential of the high-power, three-cylinder petrol unit. If you are planning a comprehensive repair or upgrade of the engine area in your Land Rover and need other components from the same group, such as blocks, cylinder heads, or complete powertrains, check the available parts in the Land Rover Engines category.

More knowledge about used engines

When making a decision to install a used engine block, it is worth relying on reliable technical data and real-world cost examples. A detailed discussion of the advantages, limitations, and procedures for selection by factory numbers can be found in the guide Why it is worth buying used gearboxes and engines – facts instead of myths, which helps you consciously plan your repair and choose the right powertrain for your specific vehicle.