KYB Front Jounce Bumper and Bellows Strut Boots

1995–2010 Audi A4 / 1998–2010 Audi A6 / 1997–2003 Audi A8 / 2007+ Audi RS4

Part #: SB122

Overview

The KYB Front Jounce Bumper and Bellows Strut Boots are essential replacement components designed to protect your vehicle's suspension system. Specifically crafted for a range of Audi models including the A4, A6, A8, and RS4 from the mid-1990s through the early 2010s, these boots help maintain optimal suspension performance and longevity. If your vehicle's original boots are missing, worn out, or damaged, replacing them with KYB's high-quality parts ensures your suspension remains protected from dirt, debris, and moisture that can cause premature wear.

These boots are ideal for enthusiasts and daily drivers alike who want to preserve their suspension components and avoid costly repairs down the line. By keeping the strut and jounce bumper clean and free from contaminants, you'll help support consistent ride quality, handling, and safety. Installing these boots during routine maintenance or when replacing struts can be a straightforward process, making it a cost-effective way to extend the life of your suspension system.

Key Features

KYB's Front Jounce Bumper and Bellows Strut Boots are engineered with durability and precision in mind. Crafted from high-quality rubber materials, these boots provide excellent resistance to cracking, tearing, and weathering, even under harsh driving conditions. The bellows design allows for flexibility and movement, accommodating suspension travel while maintaining a tight seal around the strut assembly.

• Manufactured from durable, weather-resistant rubber to withstand extreme temperatures and road conditions.
• Designed with a bellows or accordion-style construction to allow for maximum flexibility and movement of the suspension components.
• Precisely molded to fit specific Audi models, ensuring a snug and secure fit during installation.
• Protects critical suspension parts such as the strut shaft and jounce bumper from dirt, debris, and moisture, reducing wear and potential failure.
• Easy to install, often requiring only basic hand tools, making it suitable for DIY enthusiasts and professional mechanics alike.
• Helps maintain proper suspension geometry and ride quality by preventing contamination of internal components.
• Designed to be a direct replacement for OEM boots, ensuring compatibility and reliable performance.

Construction & Design

These strut boots are constructed from high-grade rubber compounds that combine flexibility with durability. The bellows-style design not only provides protection but also allows for the necessary movement of the suspension components without restriction. The boots are precisely molded to match the original OEM specifications, ensuring a perfect fit and seal. Their robust construction helps resist cracking, tearing, and deterioration caused by exposure to road salts, oils, and extreme weather conditions. Installing these boots during suspension service helps preserve the integrity of your vehicle's suspension system, supporting consistent handling and ride comfort over time.

Installation & Fitment

Replacing your worn or missing strut boots with KYB's Front Jounce Bumper and Bellows Strut Boots is a straightforward process. Typically, these boots are installed when replacing or servicing the struts, and they can be easily slipped onto the strut assembly during reassembly. No special tools or modifications are usually required, making it a convenient upgrade for both professional technicians and DIY enthusiasts. Proper installation ensures that your suspension components remain protected from dirt and moisture, helping to extend their service life. Always verify fitment with your specific vehicle model and year before installation.

• Designed for direct replacement on compatible Audi A4 (95-10), A6 (98-10), A8 (97-03), and RS4 (07+) models.
• No cutting, drilling, or complex adjustments are necessary for installation.
• Best installed during suspension repairs or routine maintenance to ensure optimal protection.

What's Included

• Front Jounce Bumper and Bellows Strut Boots (pair)
• Installation instructions (if provided)

Ideal For

• Owners looking to restore or maintain suspension integrity
• DIY enthusiasts performing suspension repairs
• Professionals seeking reliable replacement parts for Audi models
• Anyone wanting to prevent dirt and debris from damaging suspension components

Emissions Note

This product is a replacement part designed to restore the original functionality of your vehicle's suspension system. It does not affect emissions or require any special legal considerations.