The Volvo 850 2.5 Engine (B5252S) is a robust 5-cylinder petrol engine designed for smooth performance, durability, and long-term reliability. Widely used in the Volvo 850, this engine delivers a perfect balance of power, torque, and fuel efficiency for daily driving or high-mileage vehicles.
Featuring a DOHC 20-valve configuration with multi-point fuel injection (MPFI), the B5252S engine produces approximately 170–180 horsepower and 220–230 Nm of torque, providing smooth acceleration, responsive handling, and a reliable driving experience.
Built with a durable cast iron block and aluminum cylinder head, this engine is engineered to withstand high mileage while maintaining excellent performance. The timing system uses a belt-driven DOHC setup, which should be serviced according to maintenance schedules for longevity.
Supplied as a complete engine (long block or full assembly), it typically includes:
- Engine block
- Cylinder head
- Pistons and crankshaft
- Camshaft system
- Intake and fuel system
⚠️ External components such as alternator, starter motor, AC compressor, and sensors may need to be transferred from your existing engine.
This engine is ideal for:
- Replacing worn or damaged engines in Volvo 850 models
- High-mileage vehicles requiring reliable performance
- Drivers seeking smooth 5-cylinder power and longevity
⚙️ Key Features
- 2.5L inline 5-cylinder petrol engine
- Engine code: B5252S
- DOHC 20-valve configuration
- Multi-point fuel injection (MPFI)
- Smooth, responsive acceleration
- Durable cast iron block + aluminum head
- OEM replacement engine
🚗 Vehicle Compatibility
- Volvo 850 2.5 5-cylinder
- Other Volvo 850 variants using B5252S engine
- Some Volvo S70 or V70 models (depending on year and market)
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