Tie rod bellow support. Porsche 911 / 912 / 914  ❭  90134705602

Steering Rack Gaiter - Left or Right Hand Side
Sold each - 2 required per car

Protect your Porsche steering system with this OE Match Steering Rack Gaiter, designed for Porsche 928 models produced between 1978 and 1995. Also known as a steering rack boot or rack bellows, the gaiter plays a vital role in protecting the steering rack and inner track rod joints from dirt, water, road debris and other contaminants.

Fits:

• Porsche 928 4.5L 1978-82
• Porsche 928S 4.7L 1981-83
• Porsche 928S2 4.7L 1984-86
• Porsche 928S4 5.0L 1987-92
• Porsche 928GT 5.0L 1989-91
• Porsche 928GTS 5.4L 1992-95

Diagram ref no 2

Although a steering rack gaiter is a relatively simple component, it performs an essential function in preserving the longevity of the steering rack assembly. A damaged or split gaiter can allow moisture and debris to enter the steering system, leading to accelerated wear, corrosion and potentially costly steering rack repairs.

Replacing worn or damaged gaiters as soon as deterioration is detected helps maintain steering performance and protects expensive steering components.

What Does a Steering Rack Gaiter Do?

The steering rack gaiter forms a protective flexible seal around the steering rack and inner track rod assembly.

Its primary functions include:

• Protecting the steering rack from dirt and debris
• Preventing water ingress
• Protecting inner track rod joints
• Retaining lubrication within steering components
• Extending steering rack lifespan
• Supporting smooth steering operation
• Preventing premature wear

The gaiter flexes as the steering moves from lock to lock while maintaining protection of the internal steering components.

Why Do Steering Rack Gaiters Fail?

Steering rack gaiters are exposed to harsh road conditions, constant movement and environmental ageing.

Common causes of failure include:

• Age-related rubber deterioration
• Cracking and splitting UV exposure
• Road salt and contaminants
• Stone impact damage
• General wear and tear
• Heat exposure Incorrect installation

Once a gaiter becomes damaged, contaminants can quickly enter the steering rack area and accelerate wear.

When Should a Steering Rack Gaiter Be Replaced?

Steering rack gaiters should be inspected regularly during servicing and suspension maintenance.

Common signs of wear include:

• Visible cracks in the rubber
• Split or torn gaiters
• Grease leakage
• Water contamination inside the gaiter
• Perished rubber material
• Steering rack corrosion
• Damaged securing clips
• Excessive dirt accumulation around the steering rack

Replacement should be carried out immediately if damage is found to avoid costly steering rack repairs.

Why Replacement Matters

A damaged steering rack gaiter may seem insignificant, but it can lead to major steering system issues if ignored.

Benefits of replacement include:

• Protects expensive steering rack components
• Prevents dirt and water ingress
• Extends steering rack lifespan
• Protects inner track rod joints
• Maintains steering performance
• Reduces long-term repair costs
• Supports safe vehicle operation
• Ideal preventative maintenance item

For Porsche 928 owners, replacing worn gaiters is a simple and cost-effective way to preserve steering system reliability.