Wheel Bearing Hub Assembly 513121 Front/Rear 5 Lugs with ABS

In this review the ECCPP 513121 wheel bearing hub assembly is evaluated for drivers who need a direct-fit replacement for certain Buick, Cadillac, Chevy, Pontiac and Oldsmobile models. The single biggest reason to consider this part is its clear focus on compatibility and a complete hub assembly design that includes ABS tone ring and wheel bolts, which simplifies installation compared with separate bearing-and-hub jobs. The reviewer tested fit and initial function claims against the published fitment list and found the assembly provides a straightforward, value-oriented replacement option for front-axle applications and several AWD rear uses.

Key Features

• OE Fitment: The hub is built to match OE 513121 specifications so it installs in the same mounting pattern and aligns with factory surfaces for a correct fit.
• ABS Integration: The included ABS system tone ring means the part communicates with existing vehicle sensors without extra components, preserving safety systems.
• Durable Sealing: ECCPP uses a high-quality seal design to resist contamination and help keep the bearings clean for reduced noise and longer service life.
• Complete Hardware: Wheel bolts supplied with protective coating help resist rust and make later disassembly easier for maintenance or tire service.
• Measured Dimensions: The flange diameter, bolt size and offset are specified (5.80 in flange, M10x1.25 bolts, 2.007 in offset) to ensure predictable fit and clearance.

Who It's For

This hub assembly is best for DIY mechanics and independent shops replacing worn front hubs on supported front-wheel-drive Buicks and Cadillacs from the late 1990s through early 2010s, or rear hubs on listed AWD models. Buyers who prioritize matching OE mounting and ABS tone compatibility will find the product convenient because it reduces the need to source separate bearings, seals and hardware.

Drivers seeking the absolute longest-term OEM endurance or those with heavy-duty suspension variants excluded from the fitment should look elsewhere or confirm compatibility with their vehicle. Also, if long-term durability under intensive use is a top priority, consider comparing materials and warranty terms from manufacturer or dealer options.

Pros & Cons

Pros

• Good initial fit and function on compatible FWD front applications, saving installation time versus separate parts.
• Integrated ABS tone ring preserves sensor operation without extra adapters.
• Included coated wheel bolts reduce corrosion risk and ease future removal.

Cons

• Some buyers report early failures in isolated cases, so long-term durability can be mixed and warrants careful pre-install inspection.

Specifications

Our Verdict

The ECCPP 513121 hub assembly is a practical, cost-conscious replacement for owners of compatible Buick, Cadillac and related models who need a direct-fit hub with ABS integration and included hardware. It offers clear fitment advantages and good initial function at a reasonable price, but buyers should be aware of mixed reports on long-term durability and inspect the part on arrival before installation.

Frequently Asked Questions

Will this hub fit my vehicle?
Check the listed fitment years and models against your vehicle and confirm OE 513121 compatibility before purchase.

Does it include ABS functionality?
Yes, the assembly includes the ABS tone ring so it works with the vehicle ABS sensor without additional parts.

Are wheel bolts included?
Yes, coated wheel bolts are supplied to help resist corrosion and ease future removal.