KNOLET 513288 Wheel Bearing Hub Assembly Front Pair — 5‑Lug OEM Fit, Forged Steel & Sealed

The KNOLET 513288 wheel bearing hub assembly is a direct-fit replacement for many GM vehicles, delivering OEM-style dimensions, improved sealing, and a long-lasting, low-noise wheel support solution.

Designed to replace worn or noisy hubs on a range of Chevrolet, Cadillac, Buick, GMC and Saab models, this hub assembly comes engineered to match factory fit and function. It addresses common wheel-bearing symptoms—rattle, vibration, and grease leakage—while keeping installation straightforward for mechanics and experienced DIYers. Below you'll find concise answers to common buyer questions about compatibility, performance, installation, and durability.

Which vehicles and part numbers is this 513288 hub compatible with?

This KNOLET hub fits numerous GM platforms across model years primarily in the 2010–2020 range. Confirm fitment using your vehicle's Year/Make/Model selector before ordering to guarantee compatibility for front-left or front-right axle positions.

• Common compatible models: Chevrolet Malibu (2013–2016), Impala (2014–2017, 2020), Equinox (2010–2017), Saab 9-5 (2010–2011).
• Also fits: Cadillac CTS/XTS (selected AWD years), Buick LaCrosse and Regal (2010–2017), GMC Terrain (2010–2017 Front).
• Reference OEM numbers: includes cross-references such as 13502785, 13504970, 22859843 and others for verification.

What are the key specifications and physical dimensions?

The assembly is built according to OEM-style dimensions so it fits existing knuckles and brake pilots without modification. Key measurements are provided to help you confirm fitment and ensure correct wheel stud pattern and brake alignment.

• Position: Front (left and right axle)
• Flange diameter: 6.18 inches; bolt circle diameter: 4.72 inches
• Hub pilot diameter: 3.59 inches; brake pilot diameter: 2.95 inches
• Flange bolt holes: 3; wheel studs: 5; ABS sensor: not included

How does this hub assembly handle durability, noise, and performance?

KNOLET uses high-hardness forged carbon steel and a premium sealing system to extend service life and reduce contamination-related failure. The design minimizes friction and vibration so braking and steering feel consistent even on rough surfaces.

• Forged steel construction and impact-tested components for strength and longevity.
• Robust seals help keep grease in and dirt and water out, reducing noise and wear.
• Protective anti-corrosion coating to resist moisture and extend service life.

Is installation straightforward and what should I expect?

The 513288 hub is engineered for a trouble-free swap into applications that use a matching OEM-style hub. Professional installation is recommended for most users; torque values, wheel alignment checks, and proper tightening are essential for safe operation.

• OE-style fit reduces the need for machining or additional adapters.
• Typically installed on the front axle; aftermarket ABS sensors or wiring may be required if your vehicle uses ABS.
• Replacing hub assemblies in pairs is recommended to balance performance and longevity.

Who is this for? The KNOLET 513288 wheel bearing hub assembly is aimed at vehicle owners and mechanics restoring handling and ride comfort on mid- to late-model GM cars and SUVs. If your vehicle shows wheel-end noise, steering vibration, or grease leakage, and the part references or fitment tool confirm compatibility, this hub is a practical, OEM-dimension replacement engineered for longevity and predictable road behavior.