Unity Automotive S4-11721-15903 Complete Strut Assembly Kit

The Unity Automotive S4-11721-15903 is a fully assembled, ready-to-install complete strut assembly that eliminates the hassle and safety concerns associated with traditional strut replacement. This pre-assembled unit includes all necessary components: strut, coil spring, top mount, bearing plate, bumper, upper and lower spring isolators, and premium rubber dust boot.

Key Features:

• Fully pre-assembled and ready to install—no spring compressor or specialty tools required
• Includes top mount, bearing plate, bumper, insulators, and coil spring
• Gas-charged strut designed for OE-quality performance and ride comfort
• Application-engineered valving tailored for vehicle-specific ride and handling characteristics
• Reduces installation time from 4 hours to less than 1 hour in many cases
• Eliminates the reuse of worn components for optimal performance and safety
• Seamless working cylinder provides superior sealing throughout the piston stroke

Unity Automotive has over 40 years of experience in the aftermarket automotive suspension industry, delivering rock-solid components built to OEM specifications. Each complete strut assembly is engineered for a superior fit and trouble-free installation, restoring factory ride height and providing a stable, comfortable ride. Backed by Unity's limited lifetime warranty and zero defect policy.