KYB SB123 Suspension Strut Bellows - Front

KYB Strut Boot Kit for Front Suspension

The KYB Boot Kits SB123 help protect front struts from road grit, salt, sand, and dust that can wear the polished shaft, upper seal, and bushing. Built for European car applications and selected Subaru, Toyota, Scion, INFINITI, Audi, and Volkswagen models, this strut boot kit adds a durable barrier where suspension components are most exposed.

Compatible With front suspension applications on vehicles such as the Subaru BRZ, Toyota 86, and Volkswagen Jetta, the SB123 is a practical replacement when the original bellows is damaged or missing. This part cross-references Monroe Shocks & Struts (e.g., 63631) for the same application.

Key Features

• Superior-quality boot helps protect the strut shaft from dirt and debris that can lead to seal wear
• Poly foam bumper helps prevent the strut from bottoming out
• Protects the upper seal and bushing from contamination
• Built to match or exceed OE design and quality
• Designed specifically for European cars and select import applications

Detailed Description

KYB Boot Kits are engineered to cover the full strut shaft with a durable plastic bellows, helping keep abrasive contaminants away from critical suspension surfaces. The included poly foam travel-limiting bumper adds impact protection by reducing harsh bottom-out events that can stress the strut and nearby components. For drivers maintaining front suspension performance on vehicles like the Subaru BRZ, Toyota 86, Scion FR-S, INFINITI G37, Audi TT, and Volkswagen Golf or Jetta, the SB123 supports cleaner, longer-lasting strut operation. KYB SB123 is a direct-fit style suspension strut bellows solution for front applications across a wide range of import vehicles.

What This Part Helps Address

• Damaged or missing strut bellows
• Dirt and road debris reaching the strut shaft
• Premature wear at the upper seal or bushing
• Harsh suspension bottoming-out events
• Exposure-related wear on front strut assemblies

Installation Notes and Tips

Install the boot on the front strut assembly during strut service or replacement. Verify vehicle fitment by year, make, model, and front position before installation, especially on applications with wheel-size or package-specific notes such as Audi TT and Volkswagen R32. Inspect the strut shaft, seal area, and bumper condition at the same time so worn suspension parts can be addressed together.

Quality Assurance

KYB is known for suspension components built to OE-level design standards, and the SB123 follows that approach with materials and construction intended for demanding road conditions. The boot and bumper are designed to provide consistent protection for front strut assemblies across the listed applications.

• Fits 2013-2019 Subaru BRZ, Front
• Fits 2017-2019 Toyota 86, Front
• Fits 2014-2018 INFINITI Q70, Front
• Fits 2010-2016 Hyundai Genesis Coupe, Front
• Fits 2013-2016 Scion FR-S, Front
• Fits 2015 INFINITI Q40, Front
• Fits 2015 Subaru WRX STI, Front
• Fits 2008-2014 Subaru Impreza, Front
• Fits 2013 INFINITI EX37, Front
• Fits 2009-2013 INFINITI G37, Front
• Fits 2008-2012 INFINITI EX35, Front
• Fits 2011-2012 INFINITI G25, Front
• Fits 1998-2010 Volkswagen Beetle, Front
• Fits 2007-2009 Volkswagen Golf City, Front
• Fits 2007-2009 Volkswagen Jetta City, Front
• Fits 2007-2008 INFINITI G35, Front
• Fits 2000-2006 Audi TT, Front, w/ 18 inch Wheels
• Fits 2000-2006 Audi TT Quattro, Front, w/ 18 inch Wheels
• Fits 2000-2006 Volkswagen Golf, Front
• Fits 2000-2005 Volkswagen Jetta, Front
• Fits 2004 Volkswagen R32, Front, w/o Performance Package
• Fits 1999 Volkswagen Golf, Front, Golf IV
• Fits 1999 Volkswagen Jetta, Front, Jetta (IV)