KYB 5530012 Suspension Shock Absorber - Rear or Rear Left

KYB Gas-a-just Rear Shock for Altima

The KYB Gas-a-just 5530012 is an OE-style monotube shock absorber for Nissan Altima rear applications. It uses separate hydraulic and high-pressure nitrogen gas chambers to deliver responsive control in normal driving with added performance when road conditions demand it.

Compatible with 2019-2025 Nissan Altima rear applications, including rear left coverage for 2025 models, this shock is built around the original equipment layout and dimensions for a direct suspension service replacement.

Key Features

• Monotube shock absorber design for consistent damping response
• Air-free hydraulic piston and valve area for control and responsiveness
• High-pressure nitrogen gas chamber with floating piston for ride comfort and quick reaction
• OE monotube replacement for Nissan Altima rear suspension service
• Compressed length: 16.38 in; extended length: 23.98 in; stroke length: 7.6 in
• Upper mount type: S1 (10MM); lower mount type: Special

Gas-a-just Product Line

KYB Gas-a-just shocks are part of KYB’s monotube performance-oriented replacement line. The design separates the hydraulic working area from the gas chamber, helping the shock respond quickly while maintaining a controlled ride during everyday driving. For Nissan Altima owners, KYB 5530012 provides a direct-fit rear suspension service part that follows the OE monotube format.

Detailed Description

Use KYB 5530012 when replacing a worn rear shock absorber on a Nissan Altima. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application. It is listed for 2022-2024 Nissan Altima rear, 2025 Nissan Altima rear left, and 2019-2021 Nissan Altima rear with a new part number note for those earlier model years. The KYB Gas-a-just 5530012 is a practical choice for restoring rear suspension control, ride consistency, and damping response on the Altima platform.

Common Issues This Part Can Address

• Rear suspension bounce after bumps
• Excessive body movement over uneven pavement
• Reduced damping response from a worn shock absorber
• Rear-end instability during braking or cornering
• Uneven ride quality caused by aging suspension components

Installation Notes and Tips

Verify the vehicle year, rear position, and mount style before installation. This shock uses a special lower mount and an S1 (10MM) upper mount, so compare the original part carefully before ordering. For 2025 Nissan Altima, confirm rear left application; for 2022-2024 models, the listing is for rear position coverage. Always inspect related suspension hardware and alignment condition during shock replacement.

Quality Assurance

KYB is an OE supplier known for suspension components built to match original equipment requirements. Part number 5530012 is engineered as a monotube replacement for the Nissan Altima rear suspension application listed above.