This heavy-duty Combination (Combi) Air Brake Chamber is specifically designed for the Drum Brake system on the modern Volvo FM Version 4 trucks, including the FM400-V4 model.

📌 OE Reference Number: WABCO 9254315140, 9254315147

• Industry Designation: T24/30D (Common Industry Designation), P-DD2430 (Product Code)

📌 Suitable Vehicle Model:

Volvo FM V4 (Version 4 Generation), including models like FM400-V4, FM440-V4, and other V4 trucks utilizing Drum Brakes.

📌 Fitting Position: Rear Axle (Drive Axle)

📌 Category: Brake System / Heavy-Duty Drum Brake Chamber

✅ Key Features:

• High Spring Force: Large T30 spring chamber provides increased parking and emergency braking power for drive axles.
• Double Diaphragm (Combi): Combines the service brake and the spring brake functions.
• Drum Brake Specific: Optimized for powerful and reliable operation within drum brake assemblies.
• WABCO OE Match: Directly cross-references multiple WABCO part numbers used by Volvo V4 series.