Spindle Hub Assemblies

Fix the Cause, Not Just the Symptom with PTC Spindle Hubs!

The Problem: Many late model import vehicles are designed with a spindle hub assembly that fits inside the wheel bearing verses using a one piece unitized hub bearing assembly. There is a 30% OE failure rate on spindle hubs, because the bearing race often seizes to the spindle hub and cannot be separated. Also a partially seized bearing can score the spindle hub shaft and negatively impact performance of the replacement bearing.

The Solution: Replace both the bearing and the spindle hub assembly to ensure proper OE performance is restored.

Program Flyer

Key Features & Benefits

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Direct replacement for the OE Hub.

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Includes Axle Nut where applicable

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Kits that include wheel bearing are available

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FAQs

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What is a spindle hub assembly?

A spindle hub assembly includes a press-in hub that fits into a separate wheel bearing. It’s common on late-model import vehicles and differs from unitized hub assemblies.

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Why replace both the hub and bearing together?

On many applications, the hub and bearing can’t be separated without damage. PTC spindle hub kits include both components to ensure a complete and lasting repair.

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What causes spindle hub failure?

Failure often occurs when a bearing partially seizes and scores the spindle shaft—or when an old hub is reused with a new bearing, creating fitment and vibration issues.

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Are PTC spindle hub kits preassembled?

PTC kits include the correct hub, bearing, and hardware (like axle nuts and snap rings, where applicable), but components are supplied separately for press-in installation.

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How do I know if a spindle hub is out of spec?

Check for scoring, discoloration, or excessive runout. If a bearing spins on the shaft or fitment feels loose, the spindle hub should be replaced.

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Do PTC spindle hubs meet OE specifications?

Yes. PTC spindle hub assemblies are dimensionally tested and built with OE-quality materials to ensure proper preload, fit, and long-term durability.