Unity 255130 Shock Absorber - Rear

Rear Gas Charged Shock Absorber for Nissan Maxima

Unity 255130 is a rear gas charged shock absorber built for OE-style suspension service on select Nissan Maxima and Chevrolet Astra applications. It uses nitrogen gas charging for consistent damping response and controlled ride behavior, making it a practical replacement when the original rear shock is worn, leaking, or no longer controlling body motion properly.

Unity Automotive draws on more than 40 years in the aftermarket and builds suspension components to OEM specifications. The Unity Gas Charged Shock Absorber line is focused on direct-fit replacement performance, and part number 255130 follows that approach for rear suspension service.

Key Features

• Gas charged rear shock absorber for suspension replacement
• Nitrogen gas charged for superior response and consistent control
• OE-style dimensions: 16.46 in. compressed length, 20.87 in. extended length, 4.41 in. travel length
• Built to OEM specifications for direct replacement service
• Economy-grade suspension part for value-focused repairs
• Cross-reference: This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Detailed Description

Unity 255130 is a rear suspension shock absorber for 2009-2014 Nissan Maxima and 2000-2008 Chevrolet Astra models. It is engineered as an OE-style replacement with OEM collapsed length, extended length, and shock stroke references, helping maintain the original suspension geometry and rear ride control. For drivers searching for a rear shock absorber for Nissan Maxima 2009-2014 or a rear gas charged shock absorber for Chevrolet Astra 2000-2008, this part provides a direct-fit service option backed by Unity’s aftermarket suspension experience.

The gas charged design helps maintain damping consistency under changing road conditions, which is important when replacing a rear shock that has lost control, developed noise, or allowed excessive bounce. Part number 255130 is also listed with broad interchange coverage and a high vehicle-in-operation count, supporting its use in common rear suspension repair work.

What It Helps Address

• Rear-end bouncing after bumps or dips
• Excessive body movement during braking or cornering
• Uneven rear ride control from a worn shock absorber
• Noise or instability caused by a fatigued rear suspension damper
• Loss of damping response from a leaking or weak shock

Installation Notes and Tips

Verify rear fitment by year, make, and model before installation. This shock absorber is listed for the rear position only, with fitment for 2009-2014 Nissan Maxima, rear, and 2000-2008 Chevrolet Astra, rear. Compare the original shock’s compressed length, extended length, and mounting configuration to confirm proper replacement. After installation, inspect the rear suspension for worn bushings, mounts, or related components that could affect ride quality.

Quality Assurance

Unity Automotive manufactures aftermarket suspension parts to OEM specifications and supports its product line with a customer satisfaction guarantee. Part number 255130 is part of Unity’s gas charged shock absorber range, developed from long-term suspension manufacturing experience and focused on consistent fit and function.