KYB SM5948 Suspension Shock Absorber Mount - Rear Upper

Overview

The KYB SM5948 suspension shock absorber mount is an OE-quality replacement for the rear upper mount application on select Nissan Altima models. It is built to replace worn vibration insulators that can transmit noise, harshness, and road impact into the cabin.

Fits 2019-2025 Nissan Altima, rear upper. This part cross-references 553206CA0A for the same application.

Key Features

• OE-quality replacement mount for suspension service
• Helps isolate road shock, vibration, and noise from worn mounts
• Supports suspension performance and steering feel where applicable
• Part number SM5948 for easy identification
• Compatible with select Nissan Altima rear upper applications

Detailed Description

KYB Mount Components are engineered as direct replacement suspension parts for application-specific fitment. The SM5948 is intended for the rear upper mount position on select Nissan Altima vehicles and addresses the common wear that occurs when original vibration insulators harden over time. By restoring the mount’s cushioning function, it helps reduce the jarring effect and unwanted noise that can travel through the suspension.

As part of KYB’s Mount Components line, this suspension shock absorber mount reflects the brand’s focus on OE-style replacement parts matched to the application. The SM5948 is a practical choice for restoring proper suspension isolation on the Nissan Altima, and the part number SM5948 should be used when verifying fitment and ordering.

What It Helps Address

• Excessive suspension noise from worn mount components
• Harsh vibration transferred into the cabin
• Reduced cushioning from hardened vibration insulators
• Loss of suspension isolation at the mount point
• Fitment issues when replacing the original mount with the correct application part

Installation Notes

Verify the vehicle’s year, make, model, and rear upper mount application before installation. Compare the original part number and mounting configuration to SM5948 to confirm correct fitment on the Nissan Altima. Professional installation is recommended for suspension components, and alignment inspection is appropriate after suspension service.

Quality Assurance

KYB is known for OE-quality replacement suspension components, and the Mount Components line is built around application-specific fitment and consistent performance. The SM5948 is engineered to meet the needs of the listed application.