Front Wheel Hub Bearing Assembly 5-Lug ABS 33-Spline Flange 5.7 in (145 mm) M12x1.5 (12 mm / 0.472 in) for Buick Century Grand Prix Chevy Impala Monte Carlo Cadillac DTS Replacement 513121 1pc

Single front wheel hub bearing assembly for multiple cars
✔️ Fits Buick/Chevy/Cadillac/Pontiac; 5-lug ABS; 33 splines

This sealed wheel hub bearing assembly is a single replacement unit for front axle use on many Buick, Chevy, Pontiac and Cadillac models. It installs like OEM and helps block contamination for longer service life.

✅ Replacement part 513121, pack of 1pc, for front axle LH or RH with ABS
✅ Flange diameter 5.7 in (145 mm); 33 splines for OEM fitment
✅ Bolt size M12x1.5 (12 mm / 0.472 in); 5-lug bolt pattern
✅ Sealed ball bearing design, superior sealing against dirt and water
✅ Corrosion-resistant bolts and reliable flange fit for correct nut torque
✅ Factory-tested hub assembly for performance and compatibility

💡 What is a sealed wheel hub bearing used for in passenger cars? A sealed wheel hub bearing keeps the wheel spinning smoothly while blocking contaminants and cutting down routine maintenance. Short answer intro: sealed hub bearings are handy on modern cars. - Provides low-friction rotation and supports wheel loads, improving ride and steering response. - Sealed ball bearing design prevents dirt, water, and road salt from entering the bearing. - Common replacement for worn wheel hub assemblies; works with ABS sensors and wheel speed systems.