KYB SM5529 Coil Spring Insulator - Rear Upper

KYB SM5529 Coil Spring Insulator

Restore quieter suspension operation with the KYB SM5529 coil spring insulator for the rear upper position on select Nissan Maxima models. This Mount Components part is built to replace worn vibration insulators that can harden over time and create unwanted noise.

Compatible with 1995-1999 Nissan Maxima rear upper applications, the KYB SM5529 is an OE-style replacement focused on fit, function, and suspension refinement.

Key Features

• High-quality replacement spring insulator for suspension service
• Helps reduce squeaks, rattles, and vibration noise
• Built to match or exceed original equipment design and quality
• Part of KYB Mount Components for suspension-related replacement needs
• Fits 1995-1999 Nissan Maxima rear upper applications

Product Details

KYB Mount Components are engineered as direct replacement suspension parts for applications where worn insulators can transmit noise and vibration into the chassis. The SM5529 is a coil spring insulator that supports the spring interface and helps isolate road harshness, making it a practical choice for a Nissan Maxima rear upper spring service. This part number, SM5529, is also referenced in OE-style replacement searches for the same application.

This part cross-references Monroe Shocks & Struts 905979 for the same application.

What It Helps Address

• Squeaking from hardened or deteriorated spring insulators
• Rattling or clunking noises from the rear suspension area
• Vibration transfer caused by worn mounting isolation components
• Loss of suspension refinement on a Nissan Maxima rear upper mount point
• Noise concerns during cornering, braking, or normal road travel

Installation Notes and Tips

Install the KYB SM5529 in the rear upper spring location specified for 1995-1999 Nissan Maxima models. Inspect the surrounding suspension components during service, including the spring seat area and adjacent mounts, and replace any visibly worn parts before reassembly. Verify the application by year, make, model, and position before installation.

Quality Assurance

KYB positions Mount Components as OE-quality replacement parts designed for application-specific fit and performance. The SM5529 is built to support the original suspension layout and help restore quieter operation in the rear upper spring area of the Nissan Maxima.