Smart C451 Brake Vacuum Line Hose Tube Line A4514300229

Smart C451 Brake Vacuum Hose is a component from the Brake Hoses, Lines, and Connectors category, designed for the brake booster system in Smart vehicles. Its original design ensures proper vacuum routing, leading to stable, predictable brake pedal response and safe deceleration. It's a practical choice for users looking to restore correct brake system function without compromising on fit.

Specifications and technical data

• SKU: A4514300229
• Mark: Smart
• Condition: Used
• OEM Part Number: A4514300229
• Substitutable numbers: A4514300229, A 451 430 02 29
• Part type: Hose
• Category: Brake Hoses, Lines & Fittings

Purpose and Role in the Braking System

The Smart C451 Brake Vacuum Hose is responsible for transporting vacuum between components of the braking system, specifically between the vacuum source and the brake booster. A properly functioning hose:

• ensures stable brake assist across the full range of engine loads,
• reduces the risk of braking effectiveness loss due to leaks,
• maintains the correct operating parameters of the brake booster, contributing to braking comfort and consistency.

Thanks to its factory-matched fit for the Smart C451 platform, the hose maintains the correct routing geometry, minimizing stress, twisting, and potential weak points.

Construction and Fit for Smart C451

This component is designed as part of the Brake Hoses, Lines, and Connectors system dedicated to Smart vehicles. It includes a section of hose with appropriately shaped ends that interface with the factory nipples in the engine bay and at the brake booster.

Key construction features:

• factory internal and external diameters ensuring a sealed connection to the nipples,
• material resistance to vacuum and typical engine bay operating temperatures,
• shape tailored to the routing of the system in the Smart C451, facilitating installation and reducing the risk of rubbing against other components.

Benefits of Using an Original Vacuum Hose

Using a vacuum hose dedicated to a specific Smart model helps avoid problems typical of universal replacements. In practice, this means:

• guaranteed fit to the existing braking system without the need for modifications,
• preservation of the factory performance characteristics of the brake booster,
• reduced risk of micro-leaks resulting from imprecise fitting,
• easier diagnostics – the system remains consistent with Smart's service documentation.

This solution is particularly beneficial for professional repairs where consistent results and adherence to the vehicle manufacturer's specifications are crucial.

Condition, Verification, and Practical Application

This item is from the used parts category, allowing for a lower repair cost while maintaining original construction. This type of hose is often chosen when the existing component shows signs of wear, such as cracks, material hardening, oil traces, or audible vacuum leaks.

To maximize the potential of the braking system, it's advisable to also inspect other components when replacing the hose – the brake booster, master cylinder, rigid and flexible brake lines, and the condition of the calipers. For selecting used brake system components, consult the guide: how to safely select used brake system components, which includes a practical inspection checklist.

Other Smart Brake Hoses, Lines, and Connectors

If you also need other Smart Brake Hoses, Lines, and Connectors for your car, check out our dedicated offer: Smart Brake Hoses, Lines, and Connectors. This will allow you to easily assemble a complete set of components necessary for comprehensive brake system servicing in one place.