Alfa Romeo 2.5L V6 24-Valve AR32401 Engine.

Designed smooth performance, used Engine for Sale

The Alfa Romeo 2.5L V6 24-Valve AR32401 Engine for Sale is a sought-after powerplant from Alfa Romeo’s legendary Busso V6 family, renowned for its smooth delivery, distinctive exhaust note, and robust Italian engineering.

Designed for drivers who appreciate performance blended with character, although this naturally aspirated 2.5-liter V6 remains a popular replacement option for restorations, daily drivers, and performance-oriented projects seeking authentic Alfa Romeo heritage at a competitive cost.

The AR32401 engine is best across several Alfa Romeo models and series. around 90s and also early 2000s. Common compatible vehicles include the Alfa Romeo 156 2.5 V6 24V, Alfa Romeo 166 2.5 V6, and select Alfa Romeo GTV and Spider variants equipped with the 2.5-liter Busso configuration.

Its compatibility with these platforms makes it an excellent direct-fit replacement for original factory engines, minimizing the need for extensive modifications while preserving factory performance characteristics.

 Specifications, Common weaknesses and Maintenance.

In terms of specifications, the Alfa Romeo AR32401 features a 2.5L displacement, a 60-degree V6 aluminum block and heads, and a 24-valve DOHC layout. It produces approximately 188–190 horsepower and around 160 lb-ft of torque, offering responsive throttle input and a refined powerband.

The engine is fuel-injected, naturally aspirated, and designed for smooth high-rev operation, making it equally suitable for spirited driving and comfortable cruising. As with most performance engines of its era, there are some common weaknesses and maintenance considerations.

Cooling system components, including thermostats and hoses, inspect routinely, as overheating can affect longevity. Oil leaks from valve cover gaskets and cam seals are also common with age but are manageable with proper maintenance. When well cared for, this Alfa Romeo 2.5L V6 AR32401 engine delivers long-lasting reliability, unmistakable sound, and classic Alfa Romeo driving excitement.