KNOLET Front Wheel Hub Bearing Assembly Pair 513257 — 5-Lug ABS Encoder-Ready, OEM Fit for Toyota/Lexus/Scion

KNOLET Pair 513257 front wheel hub bearing assembly replaces worn front hubs on compatible Toyota, Lexus and Scion vehicles to restore smooth, quiet wheel rotation and ABS signal accuracy.

This pair of KNOLET 513257 front wheel bearing hub assemblies is engineered as a direct-fit replacement for specific Toyota, Lexus and Scion models. Each assembly is precision-manufactured to match OEM dimensions, uses high-hardness forged carbon steel, and includes a protective coating and premium seals to resist moisture, contamination and premature wear. The assemblies are offered with a five-stud flange and encoder-ready design for vehicles equipped with ABS.

Which vehicles will these KNOLET 513257 hubs fit?

These hub assemblies are designed to replace original equipment on a defined list of model years and trims. Confirm fitment for your vehicle by selecting year, make and model on the product page or checking the included VEHICLE FITMENT details before ordering.

• Compatible models include: Lexus HS250H (2010–2012), Scion tC (2011–2016) and xB (2008–2015).
• Toyota coverage includes: Corolla iM (2017–2018), Prius v (2012–2017) and RAV4 (2006–2012).
• Cross-reference part numbers: 435500R010, 4355042010, 19340142 for verification.

How do these hub assemblies solve noise, vibration or grease-leak issues?

Over time wheel bearings wear, causing rattling, vibration or grease leakage that affects ride quality and steering feel. KNOLET hubs use robust materials and improved seals to reduce friction, block contaminants and restore quieter, more stable wheel rotation.

• High-hardness forged carbon steel construction for impact resistance and long life.
• Premium sealing design minimizes contamination and preserves lubrication.
• Protective coating prevents corrosion during wet seasons and extends lifespan.

What are the key specifications and installation notes?

These assemblies are built to match OEM fit and function so installation is straightforward for experienced technicians. They are supplied as a pair and cover both left and right front positions with a five-stud wheel pattern.

• Position: Front left and right axle — sold as a pair for full front replacement.
• Flange diameter: 5.47 in; bolt circle diameter: 4.5 in; hub pilot diameter: 3.75 in.
• Flange bolt holes: 4; wheel studs: 5; brake pilot diameter: 2.44 in; ABS sensor: encoder-ready (ABS signal compatible).

Are these hubs OEM quality and how do they impact repair time?

KNOLET wheel hubs are manufactured to OEM-style dimensions and tolerances, offering a balance of durability and value. Their design reduces installation complexity and can lower labor time compared to rebuilding old hubs, making them a practical professional solution.

• OE-compliant dimensions for straightforward swap-in replacement.
• Low-friction bearings and anti-shock features improve rotational performance.
• Designed to be easy and quick to install to save time and labor costs.

Who is this for: This pair of KNOLET 513257 front wheel hub bearing assemblies is intended for owners, DIY mechanics and professional shops working on compatible Toyota, Lexus or Scion vehicles that show signs of wheel-bearing wear—noise, vibration or ABS signal issues. If you need a direct-fit replacement that restores handling, reduces noise and resists corrosion, these hubs are a practical, cost-effective option. Always verify vehicle fitment via the product’s ConfirmedFit tool or the vehicle compatibility list before purchase.