Front wheel bearing assembly with ABS, sealed unit, 5-lug M12x1.5, 33-spline, 5.7in (145mm) flange for Buick, Pontiac, Chevy, Cadillac vehicles, replacement 513121, 2pcs

Sealed front wheel bearing assembly, pack of 2
✔️ Fits 5-lug ABS cars, M12x1.5 bolts, 33 splines, 5.7in (145mm)

This sealed wheel hub bearing assembly replaces worn hubs on many Buick, Pontiac, Chevy, and Cadillac models. Designed for front or rear axle use with ABS-equipped cars, it’s a handy OEM-style replacement for everyday driving.

✅ Replacement part 513121, fits front or rear axle applications
✅ 5-lug pattern, M12x1.5 bolts, 33 splines, flange 5.7in (145mm)
✅ Built-in ABS tone ring for compatible wheel speed sensors
✅ Sealed ball bearing design resists contamination and extends service life
✅ Corrosion-resistant hardware and high-load capacity for durability
✅ Inspect every 20,000 km (recommended) to maintain safety and performance

💡 What is a sealed wheel hub bearing assembly used for in passenger cars? A sealed hub assembly supports wheel rotation, aligns the wheel, and interfaces with ABS for safe braking. - Provides load support and smooth rotation using sealed ball bearing technology for long life and reduced maintenance. - Often includes an ABS tone ring so the wheel speed sensor can read accurately and keep the ECU informed. - A handy replacement part to restore steering stability and prevent contamination-related failures; not a linear slide unit. - Some high-performance applications use ceramic or ceramic-coated elements for lower friction and improved heat resistance.