KYB Front Strut Boot, Jounce Bumper, and Bellows

2006–2008 BMW Z Series / 2008–2009 Cadillac Escalade / 2008–2009 Chevrolet Avalanche

Part #: SB129

Overview

The KYB Front Strut Boot, Jounce Bumper, and Bellows are essential replacement components designed to restore the integrity of your vehicle's suspension system. These parts are specifically crafted to fit select BMW Z Series models from 2006 to 2008, Cadillac Escalade from 2008 to 2009, and Chevrolet Avalanche from 2008 to 2009. If your vehicle's original boots or bump stops are worn out, cracked, or missing, replacing them with high-quality KYB components ensures your suspension maintains proper function and protection.

Designed for enthusiasts and daily drivers alike, these boots and bumpers help shield your suspension components from dirt, debris, and moisture, which can cause premature wear and corrosion. Properly functioning boots and bumpers contribute to a smoother ride, improved handling, and longer-lasting suspension parts. Whether you're performing routine maintenance or restoring your vehicle's suspension, these KYB parts are a reliable choice to keep your vehicle performing at its best.

Key Features

KYB's Front Strut Boot, Jounce Bumper, and Bellows are engineered with durability and precision in mind. Crafted from high-quality rubber and synthetic materials, these components are designed to withstand the harsh conditions of daily driving and off-road adventures. Their flexible construction allows for easy installation and effective sealing of suspension components, preventing dirt, water, and debris from infiltrating sensitive areas.

• Manufactured by KYB, a trusted name in suspension technology, ensuring OEM-quality fit and longevity.
• Includes all necessary components to replace worn or damaged boots and bump stops during suspension service.
• Designed to fit specific vehicle models, ensuring a precise and secure fit for optimal performance.
• Resistant to cracking, tearing, and deterioration caused by exposure to elements and temperature fluctuations.
• Helps maintain proper suspension geometry and ride quality by protecting shock absorbers and struts.
• Easy to install with common hand tools, making it suitable for DIY enthusiasts and professional mechanics alike.
• Contributes to quieter operation by reducing metal-on-metal contact and vibration.

Construction & Design

These KYB boots and bumpers are constructed from high-grade rubber compounds that provide excellent flexibility and durability. The bellows feature a ribbed design that allows for expansion and compression, accommodating suspension movement without tearing or cracking. The bumpers are precisely molded to match OEM specifications, ensuring a snug fit that effectively cushions impacts and prevents metal-to-metal contact during suspension travel. The overall design emphasizes longevity and ease of installation, making them a reliable choice for maintaining your vehicle's suspension system.

Installation & Fitment

Installing the KYB Front Strut Boot, Jounce Bumper, and Bellows is straightforward and typically involves removing the wheel and suspension components to access the strut assembly. Since these parts are designed as direct replacements, no modifications or special tools are usually required. It's recommended to replace these components whenever you service your suspension to ensure optimal protection and performance. Proper installation helps prevent dirt ingress and protects your shock absorbers from premature wear, extending their service life.

• Easy bolt-on replacement for worn or damaged boots and bump stops.
• No cutting, drilling, or complex adjustments needed.
• Ideal for routine suspension maintenance or complete shock absorber replacement.

What's Included

• KYB Front Strut Boot
• Jounce Bumper
• Bellows
• Installation instructions (if provided)

Ideal For

This kit is perfect for vehicle owners and mechanics looking to restore or maintain the suspension system of their BMW Z Series, Cadillac Escalade, or Chevrolet Avalanche from the specified years. It is especially beneficial when replacing worn or damaged boots and bump stops to ensure continued suspension protection and optimal ride quality. Whether performing a full suspension overhaul or addressing specific issues, these KYB components provide a reliable and cost-effective solution.

Emissions Note

This product is a replacement suspension component and does not impact emissions or require any legal compliance documentation. It is intended for use on vehicles in accordance with manufacturer specifications.