Moog 515159 Wheel Bearing and Hub Assembly - Front

Reliable Wheel Bearing and Hub Assembly for GM Trucks and SUVs

The Moog 515159 wheel bearing and hub assembly is engineered to meet the demands of heavy-duty vehicles like the Chevrolet Silverado 1500, GMC Sierra 1500, and Cadillac Escalade. Designed for precise fitment and durability, this assembly supports smooth wheel rotation and integrates an anti-lock brake sensor for enhanced safety.

• Flange bolt hole quantity: 3 with a triangle flange shape for secure mounting
• Wheel pilot diameter: 77.8 mm ensuring accurate wheel alignment
• Brake pilot diameter: 78.4 mm for proper brake component fit
• Wheel stud quantity: 6 for stable wheel attachment
• Hub pilot diameter: 99.3 mm for precise hub centering
• Flange offset: 49.8 mm and flange diameter: 179 mm for correct positioning
• Bolt circle diameter: 139.7 mm (4.75 inches) matching OEM specifications
• Includes anti-lock brake sensor for ABS functionality

Detailed Product Description

The Moog 515159 wheel bearing and hub assembly is designed specifically for select Cadillac, Chevrolet, and GMC models including the Escalade, Escalade ESV, Sierra 1500, Sierra 1500 Limited, Silverado 1500, Silverado 1500 LD, Tahoe, Yukon, and Yukon XL. Its 6-wheel stud configuration and 3-flange bolt holes with a triangle flange shape provide a secure and stable connection to the vehicle’s driveline. The precise pilot diameters for the wheel (77.8 mm), brake (78.4 mm), and hub (99.3 mm) ensure proper alignment and fitment, reducing vibration and premature wear. The included anti-lock brake sensor supports the vehicle’s ABS system, maintaining safety and control during braking.

Common Applications and Problem Resolution

• Replaces worn or damaged wheel bearing assemblies causing noise or rough wheel rotation
• Restores proper ABS sensor function to prevent warning lights and braking issues
• Corrects wheel alignment problems related to hub pilot or flange wear
• Eliminates wheel vibration and uneven tire wear caused by faulty hub assemblies
• Supports heavy-duty use in trucks and SUVs for reliable driveline performance

Installation Notes and Tips

Ensure the vehicle is securely lifted and supported before beginning installation. Verify that the flange bolt holes and wheel stud count match the vehicle’s specifications. Clean the mounting surface thoroughly to prevent misalignment. Handle the anti-lock brake sensor with care to avoid damage during installation. Torque all bolts to manufacturer specifications to maintain proper assembly integrity.

Quality Assurance and Warranty

Moog wheel bearing and hub assemblies are manufactured to meet or exceed OEM standards for durability and performance. The 515159 part number undergoes rigorous testing to ensure reliable operation under demanding conditions. While specific warranty details are not provided here, Moog products typically include a limited warranty against defects in materials and workmanship.