Belt Tensioner Pulley for BMW X5 4.4I 4.8I 2000-2010 Replaces 11287549589 11287505566

Description

Ensure reliable operation of your engine accessories with this replacement belt tensioner pulley. Designed for BMW X5 4.4I and 4.8I applications, this component maintains correct serpentine belt tension to support the alternator, power steering, and air conditioning systems.

Key Features

• Direct replacement belt tensioner pulley for BMW X5 4.4I and 4.8I models
• Interchangeable with OE part numbers 11287549589 and 11287505566
• Maintains proper tension on serpentine belt drive systems
• Manufactured to standard aftermarket specifications for fit and function
• Verify OE number and engine compatibility before purchase

Technical Specifications

Package Includes

• 1 x Belt Tensioner Pulley

FAQ

Q: Will this fit my 2005 BMW X5 4.4i?

A: This pulley is designed for X5 4.4I and 4.8I models from 2000-2010. Please verify your current OE number matches 11287549589 or 11287505566 to confirm compatibility.

Q: Is this the pulley wheel only or the complete tensioner assembly?

A: This listing is for the belt tensioner pulley only. Verify whether your repair requires just the pulley wheel or the complete tensioner assembly with spring mechanism.

Q: Does this include mounting bolts or hardware?

A: No, mounting hardware is not included unless specified in the package contents. Reuse existing hardware or replace per manufacturer torque specifications.

Q: Why are two different part numbers listed?

A: Both 11287549589 and 11287505566 are valid OE references for this application, representing either interchangeable numbers or supersessions. Either should correspond to this replacement part.