KNOLET Front Wheel Hub Bearing Assembly 513179 — 5-Lug ABS Fit for Chevy Impala & GM Models, Sealed Forged Steel

The KNOLET 513179 front wheel hub assembly is a direct-fit, ABS-ready replacement designed to restore wheel stability and quiet operation for numerous GM 5-lug models from the early 2000s through the 2010s.

This precision-manufactured hub assembly replaces worn or damaged front wheel bearings on many Chevrolet, Buick, Cadillac, Pontiac and Saturn vehicles. Built from high-hardness forged carbon steel with protective coatings and a sealed bearing design, it helps reduce vibration, noise and grease leakage while matching OEM mounting dimensions for a straightforward swap. Confirm vehicle compatibility before ordering to ensure a proper fit.

Will this hub assembly fit my vehicle?

Compatibility depends on year, make and model. The KNOLET 513179 fits a wide range of GM vehicles including Chevrolet Impala (2001–2013), Buick Century/Regal/LaCrosse and many Cadillac and Pontiac models listed in the fitment notes. Use the vehicle selector or the published fitment list to confirm the exact match for your VIN.

• Covers Chevrolet Impala 2001–2013 and Impala Limited 2014–2016 where specified.
• Fits Buick Century, LeSabre, Lucerne, Park Avenue, Regal, Rendezvous and Terraza models.
• Compatible with Cadillac DeVille, DTS, Eldorado and Seville model years shown.
• Also fits Pontiac Aztek, Bonneville, Grand Prix, Montana and Oldsmobile Aurora/Intrigue generations listed.

How does this part improve driving feel and safety?

Replacing a degraded hub assembly restores proper wheel alignment, reduces play and removes bearing noise. The sealed bearing limits contamination and the high-hardness steel construction resists shock and wear, improving handling and brake responsiveness under normal driving conditions.

• Sealed bearing design reduces grease loss and contamination risk.
• Forged carbon steel body increases impact resistance and durability.
• Precision machining maintains OEM-style dimensions for correct wheel alignment.
• Includes ABS sensor to preserve anti-lock braking performance.

What are the key specifications and installation notes?

This hub assembly is designed for front left or right positions and features a five-stud flange for OEM wheel fitment. Note flange and bolt circle diameters and the included ABS sensor when comparing to the original part. Professional installation is recommended if you lack wheel-bearing press tools.

• Position: Front, left or right axle; wheel stud quantity: 5.
• Flange diameter ~5.9" and bolt circle diameter ~4.53" for reference.
• Brake pilot diameter approx. 2.85"; hub pilot diameter shown as 0 (check hub fitment).
• Includes ABS sensor; cross-references many OEM part numbers listed in product notes.

Who is this for? This hub assembly is aimed at DIY mechanics, independent shops and fleet owners replacing worn front hubs on compatible GM-era vehicles. If you need a ready-to-install, OEM-dimension replacement with ABS compatibility and robust corrosion protection, the KNOLET 513179 offers a reliable option. Always verify fitment with your vehicle year, make and model before purchase, and follow manufacturer torque and installation procedures or have a qualified technician perform the installation.