Labwork 2x Front Wheel Hub & Bearing Assembly For Chevy Impala & Pontiac Aztek

Get your front end back in shape with these Labwork wheel hub and bearing assemblies.

You get two hubs—enough for both sides—fitting Chevy Impala and Pontiac Aztek.

The part number is TL40341Q, and it replaces a bunch of OEM numbers like 513121, 713121, BR930548K, and more.

These are built from steel, rust-protected, and polished.

The ABS sensor is included, so no need to swap your old one.

Dimensions: brake pilot diameter 70.6mm, bolt circle 115mm, flange diameter 145.5mm, and 33 splines.

Flange shape is a modified triangle with 5 wheel studs.

They're direct fit—no universal junk here.

Perfect for a front left or right replacement.

If your wheels are humming or ABS light is on, swap these in.