KYB SB119 Suspension Strut Bellows - Front

KYB SB119 Strut Boot Kit for Mercedes-Benz

KYB SB119 is a front suspension strut bellows kit built to protect the strut shaft and sealing surfaces from road grit and moisture. For Mercedes-Benz 190E, 300D, 300E, 300TE, 400E, 260E, and 300TD front applications, it adds a durable barrier that helps preserve strut performance in daily driving conditions.

Boot Line Protection

KYB Boot Kits are focused on keeping contaminants away from the polished shaft, upper seal, and bushing. The durable plastic bellows covers the strut shaft to block dirt, dust, sand, salt, and other debris that can create abrasive wear. The SB119 also includes a poly foam travel-limiting bumper to reduce bottoming-out impact and protect nearby suspension components from extreme movement.

• Superior-quality boot helps protect the strut shaft from leak-causing dirt and debris
• Poly foam bumper prevents the strut from bottoming out
• Built to match or exceed OE design and quality
• Protects the upper seal and bushing from contamination
• Designed specifically for Mercedes-Benz cars

Detailed Product Overview

This KYB strut boot kit is a practical replacement for front suspension service on Mercedes-Benz models where the strut shaft needs added protection. It supports long-term suspension durability by reducing exposure to road debris and limiting harsh suspension travel. This part cross-references Monroe Shocks & Struts 63631 for the same application. KYB SB119 is a direct-fit style solution for front strut protection on select Mercedes-Benz 190E, 300D, 300E, 300TE, 400E, 260E, and 300TD vehicles.

Common Problems It Helps Address

• Strut shaft wear caused by dirt, dust, sand, and salt
• Seal damage from abrasive road contamination
• Bushing wear from debris intrusion
• Harsh suspension bottoming during compression
• Reduced protection after worn or missing strut bellows

Installation Notes and Tips

Install the boot during front strut service or replacement so the shaft, seal, and bumper are protected before the vehicle returns to service. Verify the vehicle’s year, model, and front suspension configuration before ordering, especially on 1987-1989 Mercedes-Benz 260E, which excludes 4Matic, and 1987 Mercedes-Benz 300TD W124 front applications. Confirm that the existing strut assembly matches the listed fitment for KYB SB119.

Quality Assurance

KYB builds this Boot Kit to OE-level design and quality standards for Mercedes-Benz front suspension applications. The SB119 is engineered as a protective service part that supports strut longevity by shielding critical components from contamination and excessive travel.