Gates 36251 Accessory Drive Belt Idler Pulley

Overview of Gates DriveAlign Premium OE Pulley 36251

The Gates DriveAlign Premium OE Pulley 36251 is engineered for precise accessory drive belt system performance. Designed specifically for Audi A4 and A4 Quattro models, this steel idler pulley ensures reliable operation within the belt system, maintaining proper tension and alignment.

• Constructed from durable steel for long-lasting strength
• Outside diameter of 90 mm and width of 24.5 mm for exact fitment
• Smooth backside contact surface to reduce belt wear
• Includes pulley and mounting bolt for complete installation
• OE performance rating ensures compatibility with original equipment standards

Detailed Product Features and Specifications

This accessory drive belt idler pulley features a steel construction that provides durability and resistance to wear under demanding engine conditions. The pulley has an outside diameter of 90 mm and a width of 24.5 mm, dimensions that match the original equipment specifications for Audi A4 and A4 Quattro vehicles. It is designed without flanges and contains no grooves, featuring a smooth backside contact surface to optimize belt tracking and reduce friction. The bearing bore inside diameters are 17 mm and 9 mm, accommodating the necessary fitment requirements. The package includes both the pulley and the bolt, facilitating straightforward replacement.

About the DriveAlign Premium OE Pulley Product Line

The DriveAlign Premium OE Pulley line by Gates focuses on delivering pulleys that meet original equipment performance standards. This product line emphasizes precision manufacturing and material quality to ensure proper belt alignment and tension in accessory drive systems. The 36251 pulley is part of this line, providing a reliable replacement that aligns with factory specifications for Audi vehicles.

Applications and Common Issues Addressed

• Restores proper belt tension and alignment in Audi A4 and A4 Quattro accessory drive systems
• Eliminates belt slippage caused by worn or damaged idler pulleys
• Prevents premature belt wear due to misalignment
• Reduces noise and vibration associated with faulty pulleys
• Supports smooth operation of engine accessories such as alternators and power steering pumps

Installation Notes and Tips

• Ensure the engine is cool before beginning installation to avoid injury
• Use the included bolt to secure the pulley firmly in place
• Verify bearing bore dimensions (17 mm and 9 mm) match vehicle specifications
• Inspect the accessory drive belt for wear and replace if necessary during pulley installation
• Follow manufacturer torque specifications to avoid over-tightening

Quality Assurance and Warranty

The Gates DriveAlign Premium OE Pulley 36251 is manufactured to meet original equipment standards, ensuring consistent performance and durability. Gates provides an OE comparison rating for this pulley, confirming its suitability as a direct replacement part. Warranty details should be confirmed with the point of purchase or manufacturer documentation.