Front & Rear FWD Wheel Bearing and Hub Assembly 513121/512003 Fits 1997-2011 Buick LeSabre Lucerne Park Avenue Riviera; Cadillac DeVille DTS Seville; Pontiac Bonneville; Oldsmobile Aurora

Front & Rear FWD Wheel Bearing Hub Assembly 513121
✔️ Fits 1997-2011 Buick/Cadillac/Pontiac/Olds, 2 Front + 2 Rear

This is a set of four sealed wheel hub and bearing assemblies for FWD cars, used on front and rear hubs with ABS. Typically installed to replace worn OE hub units on Buick, Cadillac, Pontiac and Oldsmobile models.

✅ Set of 4 assemblies: 2 front + 2 rear, 5-lug, ABS compatible
✅ Reference part numbers: 513121 and 512003, OE-style fitment
✅ Sealed ball bearing design for reduced noise, smooth rotation
✅ Durable, corrosion-resistant hub with pre-greased bearings
✅ Works well with ceramic hybrid upgrades and linear slide unit style seals

💡 What is a wheel hub bearing assembly used for on front-wheel-drive cars? A wheel hub bearing assembly keeps the wheel centered and lets it rotate smoothly while carrying vehicle weight. Short intro sentence: - Provides sealed ball bearing support to handle radial and axial loads and cut down vibration and noise. - Integrates an ABS tone ring for reliable wheel speed signals and safe braking performance. - Replaces worn hubs to stop steering or wheel vibration, rattles, and grease leakage; compatible with part numbers 512003, 513121 for cross-reference.