URO 11287549588 Accessory Drive Belt Tensioner - Alternator and Water Pump

Overview of URO Accessory Drive Belt Tensioner

The URO Accessory Drive Belt Tensioner (Part Number 11287549588) is engineered for precise belt tension control in select BMW and Rolls-Royce vehicles. Designed with durable aluminum construction and a smooth contact surface, this tensioner supports serpentine belt systems to maintain optimal engine performance.

• Constructed from lightweight, corrosion-resistant aluminum
• Black finish for corrosion protection and durability
• Compatible with serpentine belt systems
• Single mounting hole with 10.5 mm diameter for secure installation
• Pulley dimensions: 70.23 mm outside diameter, 26.19 mm width, 12 mm inside diameter
• Smooth contact surface to reduce belt wear
• Designed for BMW and Rolls-Royce models including 545i, 550i, 645Ci, 650i, 745i, 745Li, 750i, 750Li, 760i, 760Li, Phantom, and X5

Detailed Product Description

This URO accessory drive belt tensioner is specifically designed to maintain proper tension on the serpentine belt system in various BMW and Rolls-Royce models. The aluminum material offers a balance of strength and lightweight properties, helping to reduce overall engine load. The tensioner features a smooth contact surface that minimizes belt wear and extends belt life. Its single mounting hole with a 10.5 mm diameter ensures a secure fit, while the pulley dimensions are optimized for the specified vehicle applications. The black finish provides additional protection against corrosion and environmental factors.

Compatible Vehicles and Applications

• BMW 545i, 550i, 645Ci, 650i, 745i, 745Li, 750i, 750Li, 760i, 760Li
• Rolls-Royce Phantom
• BMW X5

Common Issues Addressed by This Tensioner

• Eliminates belt slippage caused by improper tension
• Prevents premature serpentine belt wear and damage
• Reduces noise from loose or worn belt tensioners
• Maintains consistent accessory drive performance
• Helps avoid engine overheating due to belt failure

Installation Notes and Tips

Ensure the engine is cool before beginning installation. Verify the correct alignment of the tensioner pulley with the serpentine belt path. Use appropriate tools to remove the old tensioner and install the URO tensioner securely using the single mounting hole. Check belt tension after installation to confirm proper operation. Refer to the vehicle’s service manual for torque specifications and detailed procedures.

Quality Assurance and Warranty

Manufactured to meet OEM specifications, the URO accessory drive belt tensioner offers reliable performance and durability. The aluminum construction resists corrosion and wear under normal operating conditions. While specific warranty details are not provided, URO parts typically adhere to industry standards for quality and fitment.