23121305 GM Body mount bushing

What is this part?

The GM body mount bushing 23121305 is a genuine OEM chassis component designed to cushion and secure the vehicle body to the frame.

What does it do?

This OEM body mount bushing isolates vibration, noise, and road shock between the body and the chassis or frame. It helps maintain correct body alignment while allowing controlled movement under load. Body mount bushings play a key role in ride comfort, structural integrity, and handling stability, especially on body-on-frame vehicles such as trucks and SUVs. A genuine GM body mount bushing is manufactured to factory specifications, ensuring proper hardness, durability, and resistance to wear and environmental exposure.

When to replace

The GM body mount bushing 23121305 should be replaced if it is cracked, collapsed, deformed, hardened, or causing excessive vibration, noise, or body misalignment. Worn bushings can lead to clunks, uneven panel gaps, and reduced ride quality. Installing a genuine OEM bushing restores correct body support and comfort.

Compatibility

The genuine GM body mount bushing 23121305 is compatible with selected GM vehicles. Compatibility depends on frame design, mounting location, body style, and model year. Always verify the part number 23121305 before purchase to ensure correct fitment.

Installation: DIY or service?

Installation of the genuine OEM GM body mount bushing 23121305 is not recommended as a DIY task unless the installer has chassis service experience. Replacement may require lifting or supporting the vehicle body safely and precise torque procedures. Professional installation ensures correct alignment and safe operation.