Alfa Romeo Giulia 2.2L JTDm Q4 55284529 engine.

Alfa Romeo Giulia 2.2L JTDm Q4 55284529 turbodiesel engine

Italian performance, Durable High-Quality Used Engine for Sale

The Alfa Romeo Giulia 2.2L JTDm Q4 55284529 engine is a premium power unit for drivers who value Italian performance, durability, and fuel-efficient torque delivery. Engineered as part of Alfa Romeo’s new-generation diesel lineup, this 2.2-litre four-cylinder engine offers refined power output, smooth acceleration, and exceptional all-weather capability thanks to its factory Q4 all-wheel-drive compatibility. 

Whether you are replacing a worn motor, restoring a damaged vehicle, or upgrading your daily driver, this 55284529 diesel engine provides a reliable, ready-to-install solution that maintains your car’s original performance standards.

This engine is primarily fits to the Alfa Romeo Giulia range but also shares components and compatibility traits with few FCA-group brands like Jeep and Fiat Professional using similar 2.2 JTDm/Multijet II architecture. The most common direct-fit application is the Alfa Romeo Giulia 2.2 JTDm Q4 (2016–present), especially variants producing between 140–210 hp depending on factory calibration. 

Its lightweight aluminum construction, electronically controlled variable-geometry turbocharger, advanced fuel injection, and efficient cooling system work together to deliver impressive low-rpm torque and refined highway cruising, making it highly suitable for luxury sedans and performance-oriented diesel platforms.

Specifications, Common weaknesses and Maintenance.

Key specifications include a 2.2-litre inline-4 turbodiesel configuration, DOHC design, Multijet II common-rail injection, variable-geometry turbocharging, and Q4 AWD support. It is built for excellent fuel economy, strong mid-range power delivery, and reduced emissions, ensuring dependability for both daily driving and long-distance travel. The 55284529 block is also known for its smooth operation, quiet running characteristics, and modern thermal efficiency.

Like any modern diesel engine, the Giulia 2.2 JTDm Q4 has a few common weaknesses owners should be aware of. Carbon buildup in the intake system can occur over time, particularly on high-mileage engines or vehicles used primarily for short trips. EGR valve contamination, DPF saturation, and turbocharger wear may also appear without proper maintenance. 

Timing belt replacement at recommended intervals is critical to avoid internal damage. Regular high-quality oil changes, correct diesel additives when necessary, and periodic DPF regeneration cycles will help preserve engine longevity.

With proper care, the Alfa Romeo Giulia 55284529 turbodiesel engine offers long-term reliability, responsive performance, and the signature Italian driving feel that makes Alfa Romeo ownership truly rewarding.