Corteco 80004866 Engine Crankshaft Pulley

Overview of Corteco Engine Crankshaft Pulley 80004866

The Corteco engine crankshaft pulley 80004866 is designed specifically for BMW 335d and X5 models. This pulley supports serpentine belt systems and ensures reliable power transmission within the engine's cylinder block components.

• Inside diameter: 54.0 mm
• Outside diameter: 192.0 mm
• Groove quantity: 3 grooves
• Belt type: Serpentine
• Bore type: Smooth/bolt on
• Number of bolt holes: 4
• Number of ribs: 3
• Compatible with 4pk and 6pk belt parameters
• Includes mounting hardware and manual

Technical Details and Specifications

The Corteco 80004866 crankshaft pulley features a smooth, bolt-on bore type that facilitates secure attachment to the crankshaft. Its 54.0 mm inside diameter and 192.0 mm outside diameter are engineered to match the precise requirements of BMW 335d and X5 engines. The pulley includes three grooves and ribs, designed to accommodate serpentine belts with 4pk and 6pk configurations, ensuring optimal belt alignment and tension. The four bolt holes provide a stable mounting interface, contributing to consistent engine performance.

Compatible Vehicles and Applications

This engine crankshaft pulley is compatible with BMW 335d and BMW X5 models, making it suitable for owners seeking replacement parts that meet OEM specifications. It is intended for use in the engine's cylinder block components, specifically to drive the serpentine belt system that powers accessories such as the alternator, power steering pump, and air conditioning compressor.

• Replacement for worn or damaged crankshaft pulleys on BMW 335d and X5
• Resolves issues related to belt slippage or misalignment
• Addresses abnormal engine vibrations caused by pulley imbalance
• Prevents premature belt wear due to pulley groove damage
• Supports proper accessory drive function in serpentine belt systems

Installation Notes and Tips

When installing the Corteco 80004866 crankshaft pulley, ensure the engine is cool and the serpentine belt is properly released. The smooth/bolt-on bore type requires precise alignment with the crankshaft and secure fastening using the four bolt holes. Follow the included mounting manual carefully to maintain correct torque specifications and avoid damage to the pulley or crankshaft. Verify belt tension and alignment after installation to ensure optimal performance.

Quality Assurance and Warranty

Corteco manufactures this crankshaft pulley to meet strict quality standards for durability and fitment accuracy. The product includes mounting hardware and a detailed installation manual to support proper setup. While specific warranty details are not provided, Corteco parts typically adhere to industry standards for reliability and performance in automotive applications.