10399726 GM Stabilizer bushing

What is this part?

The GM stabilizer bushing 10399726 is a genuine OEM suspension component designed to secure the stabilizer (anti-roll) bar to the vehicle chassis while allowing controlled movement.

What does it do?

This OEM stabilizer bushing supports and cushions the stabilizer bar, reducing vibration, noise, and friction during suspension movement. It allows the anti-roll bar to flex properly while limiting excessive body roll when cornering. A genuine GM stabilizer bushing is manufactured to factory specifications, ensuring correct inner diameter, elasticity, and durability. Properly functioning bushings are essential for vehicle stability, handling precision, and ride comfort.

When to replace

The GM stabilizer bushing 10399726 should be replaced if knocking noises, squeaks, or excessive body roll are noticed, especially during turns or when driving over uneven surfaces. Over time, bushings may crack, harden, or wear due to exposure to heat, road contaminants, and constant load. Installing a genuine OEM stabilizer bushing restores proper suspension behavior and reduces unwanted noise.

Installation: DIY or service?

Installation of the genuine OEM GM stabilizer bushing 10399726 is often straightforward and can be performed as a DIY task with basic tools. Proper installation ensures correct alignment and secure mounting. In some cases, professional installation may be preferred to ensure optimal suspension performance.