Autoround Front Wheel Hub Bearing Assembly 513121 for GM 5-Lug w/ Integrated ABS — Flange 5.73in, Direct-Fit

The Autoround 513121 wheel hub bearing assembly is a direct-fit front hub with integrated ABS sensor designed to replace worn or damaged hubs on compatible GM FWD/AWD models.

If your vehicle shows vibration, uneven tire wear, or ABS warning lights and it matches the listed model years, this hub assembly restores wheel rotation, axle alignment, and wheel-speed sensing without the need to press in a separate bearing. Autoround supplies a precision-engineered unit with a flange diameter of 5.73 inches, 5 lug configuration, and bolt circle diameter of 4.53 inches to match many Chevy, Buick, Cadillac, Pontiac, Oldsmobile and Saturn applications.

Which vehicles will this Autoround 513121 hub assembly fit?

This assembly is manufactured to fit a wide range of GM models across late-1990s to 2011 model years. Confirm fit by cross-referencing your OEM part number or checking the year, make and model list before purchase.

• Buick: Regal (1997–2004), LeSabre (2000–2005), LaCrosse (2005–2009), Riviera (1997–1999), Terraza (2005), Century (1997–2005), Park Avenue (1997–2005), Allure (2005–2010), Lucerne (2006–2011)
• Cadillac: DeVille (1997–2005), DTS (2006–2011), Eldorado (1997–2002), Seville (1997–2004)
• Chevrolet: Monte Carlo (2000–2007), Uplander (2005), Venture (2002–2005)
• Oldsmobile: Aurora (1997–2003), Intrigue (1998–2002), Silhouette (2002–2004)
• Pontiac: Aztek (2001–2005), Bonneville (2000–2005), Grand Prix (1997–2008), Montana (1999–2005), Trans Sport (1997–1999)
• Other: Saturn Relay (2005)

What are the key specifications and features of this hub?

The Autoround 513121 is built as a full hub assembly with an integrated bearing and ABS tone ring where required. It supports front wheel positions on FWD and AWD setups, and rear use on AWD vehicles depending on the model. The unit delivers the exact flange and bolt pattern dimensions to match OEM mounting and wheel alignment.

• Flange diameter: 5.73 inches and flange offset: 1.65 inches
• Bolt circle diameter (BCD): 4.53 inches, 5-lug configuration
• Integrated ABS tone ring for wheel-speed sensing on ABS-equipped cars
• Designed for front-wheel positions on FWD/AWD; rear use on compatible AWDs

How does installation and performance compare to OEM parts?

Autoround wheel hub assemblies are quality-tested to meet or exceed OEM performance standards, offering a straightforward bolt-on replacement with no need to press in separate bearings. Installation is typically quicker than rebuilding an original hub because the bearing and hub arrive preassembled, saving time and minimizing specialized tooling.

• Pre-assembled hub and bearing for faster shop or DIY replacement
• Precision structure for correct wheel alignment and reduced vibration
• Compatible mounting geometry eases installation and maintains OEM fitment

What warranty and customer support does Autoround provide?

Autoround includes a three-year quality assurance coverage with each hub assembly. If you encounter fitment questions, installation concerns, or part defects, their customer service team is available through the retailer to assist with troubleshooting and warranty claims.

• 3 years QA coverage from Autoround
• Customer support available through the retailer (Autoround Customer Service)
• Replacement parts range offered by the brand for related repairs

Who is this for: The Autoround 513121 hub assembly is aimed at owners and mechanics working on GM cars and minivans listed above who need a dependable, direct-fit replacement for a failed front hub bearing—especially if the vehicle has ABS and a 5-lug wheel pattern. It’s suitable for professional shops and competent DIYers who want a preassembled unit that simplifies installation, restores proper wheel-speed sensing, and helps eliminate wheel noise, looseness, and uneven tire wear when used on matching applications.