KNOLET Wheel Hub Bearing Assembly 2Pc 513301 5-Lug w/ ABS Sensor for Audi A4/A5/A6 (Front/Rear)

KNOLET 2Pcs 513301 wheel hub bearing assembly is a direct-fit replacement (front or rear depending on model) designed for select Audi A4/A5/A6/A7/A8/Allroad/Q5 and high-performance S/RS variants, including a 5-lug flange and integrated ABS sensor.

This precision-engineered hub kit matches OEM dimensions and reference numbers (4H0498625, 4H0498625A, 8K0598625) so you can restore wheel stability, reduce vibration, and return ABS signal reliability without extensive machining or modification. Constructed from high-hardness forged carbon steel with protective coatings and premium seals, the assemblies aim to resist moisture, minimize noise, and endure high rotational speeds under normal driving conditions.

Will this 513301 hub assembly fit my Audi model and year?

Compatibility varies by year, axle position, and whether the vehicle uses quattro drive. Use the vehicle selector or confirm the VEHICLE FITMENT details to ensure a match before ordering.

• Compatible models include Audi A4 (2009–2015) and A5 (2010–2014) front hubs.
• Fits A6 (2012–2014) and RS5 (2013–2015) in specified positions.
• Quattro, Allroad, A7, A8, Q5, and S-series applications supported where noted in fitment description.
• Confirm front vs. rear fitment for your specific trim and year.

How does this wheel hub assembly improve driving feel and safety?

The assembly restores correct wheel alignment and reduces play that causes steering vibration, rattles, or uneven braking feedback. Integrated ABS sensor functionality helps maintain accurate wheel speed readings for vehicle systems that rely on them.

• Precision-manufactured to OEM-style dimensions for accurate wheel positioning.
• High-hardness forged carbon steel improves impact resistance and stability.
• Sealed design reduces grease leakage and contamination, lowering noise.
• ABS sensor included to maintain electronic wheel-speed signals.

What are the technical specifications and installation details I should know?

The hub features a 5-lug stud configuration and a flange engineered to match factory bolt patterns and pilot diameters. It’s supplied as a pair (2 pieces) and is suitable for front or rear replacement where indicated by the fitment chart.

• Flange diameter: 5.59"; bolt circle diameter: 4.41"; hub pilot diameter: 4.02".
• Flange bolt holes: 4; wheel stud quantity: 5; brake pilot diameter: 2.68".
• Includes ABS sensor; reference part numbers: 4H0498625, 4H0498625A, 8K0598625.
• Designed for straightforward replacement—verify side (left/right) and front/rear before installation.

How durable is the KNOLET hub and what maintenance does it need?

Materials and sealing prioritize longevity: the forged carbon steel construction and protective coating help resist corrosion, while robust seals keep lubricants in and contaminants out. Regular inspections of wheel bearings and seals during service intervals will keep performance reliable.

• Protective coating reduces moisture-related corrosion in wet climates.
• Premium seals limit grease loss and dirt ingress to preserve bearing life.
• Impact-tested build improves resistance to road shocks and potholes.
• Periodic checks recommended after heavy use or exposure to harsh conditions.

Who is this for? The KNOLET 513301 2-piece hub set is aimed at Audi owners, mechanics, and restoration specialists who need a dependable OEM-dimension replacement for models listed in the fitment information. Choose this kit if you want an affordable, precision-made hub with an integrated ABS sensor for resolving vibration, noise, or wheel-speed signal issues—just confirm your vehicle year, axle position, and quattro configuration before purchasing.