KYB SR4090 Suspension Strut and Coil Spring Assembly - Front

Overview of KYB Strut-Plus Suspension Strut and Coil Spring Assembly

The KYB Strut-Plus SR4090 is designed to restore the suspension performance of select Buick, Cadillac, Oldsmobile, and Pontiac vehicles. This complete suspension strut and coil spring assembly offers a direct replacement solution for models such as the Buick LeSabre, Cadillac DeVille, Oldsmobile Aurora, and Pontiac Bonneville.

• Complete suspension strut and coil spring assembly for direct fit
• Compatible with Buick Aurora, Cadillac DeVille, Oldsmobile LeSabre, and Pontiac Bonneville
• Part number SR4090 ensures precise identification and fitment
• Manufactured by KYB, a recognized brand in suspension components
• Designed to maintain factory ride height and handling characteristics

About the KYB Strut-Plus Product Line

The Strut-Plus line from KYB provides a comprehensive suspension solution by combining the strut and coil spring into a single assembly. This design simplifies installation and reduces labor time compared to separate component replacement. The Strut-Plus assemblies are engineered to meet or exceed original equipment specifications, making them suitable for restoring suspension performance on compatible Buick, Cadillac, Oldsmobile, and Pontiac models.

Detailed Product Description

The KYB Strut-Plus SR4090 suspension strut and coil spring assembly is engineered to deliver consistent ride quality and handling for vehicles including the Buick Aurora, Cadillac DeVille, Oldsmobile LeSabre, and Pontiac Bonneville. This assembly replaces worn or damaged struts and springs, restoring suspension geometry and vehicle stability. The integrated design ensures proper alignment and reduces the risk of installation errors. The SR4090 part number corresponds to a precise fitment, ensuring compatibility with the specified makes and models.

Common Suspension Issues Addressed

• Excessive vehicle body bounce or sway during driving
• Uneven tire wear caused by worn suspension components
• Reduced ride comfort and handling stability
• Noise or clunking sounds from the front suspension
• Vehicle sagging or lowered ride height on one side

Installation Notes and Tips

• Ensure vehicle is securely lifted and supported before removal
• Compare the new KYB Strut-Plus SR4090 assembly with the original part for verification
• Follow manufacturer torque specifications for mounting hardware
• Wheel alignment is recommended after installation to maintain proper handling
• Use appropriate tools to avoid damage to the coil spring or strut components

Quality Assurance and Warranty

KYB manufactures the Strut-Plus SR4090 assembly to meet stringent quality standards, ensuring durability and reliable performance. While specific warranty details are not provided here, KYB typically offers limited warranties on their suspension products. It is recommended to consult KYB or the product documentation for exact warranty coverage.