KYB 5530021 Suspension Shock Absorber - Rear

KYB Gas-a-Just Rear Shock for Metris

The KYB Gas-a-just 5530021 is a rear suspension shock absorber for the 2016-2021 Mercedes-Benz Metris. It replaces the original monotube-style shock with a design that separates hydraulic control from high-pressure nitrogen gas support for consistent response and ride control.

Key Features

• Monotube shock absorber built as an OE-style replacement
• Air-free hydraulic piston and valve area for direct damping response
• High-pressure nitrogen gas chamber with floating piston for added performance on demand
• Compressed length: 14.72 in.
• Extended length: 20.66 in.
• Stroke length: 5.94 in.
• Lower mount type: E2 (14.2x42)
• Upper mount type: E2 (14.2x73)
• Dust cover included

Detailed Description

KYB Gas-a-just 5530021 is engineered for rear suspension service on the Mercedes-Benz Metris, with fitment covering 2016-2021 models. The Gas-a-just line focuses on restoring original suspension behavior while adding the quick response associated with a monotube shock design. Its separate working chambers help maintain control during normal driving and provide firmer damping when road conditions or load demand more from the suspension. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

For shoppers searching for a rear shock absorber for 2016-2021 Mercedes-Benz Metris, KYB 5530021 offers the correct dimensions and mount style for the listed application. It is a direct-fit suspension shock absorber for the rear position and is listed as a recommended OEM replacement for this vehicle line.

Common Problems This Part Can Address

• Excessive rear bounce after bumps
• Reduced damping control from worn shock absorbers
• Rear-end instability over uneven pavement
• Harsh or inconsistent ride quality from aging suspension components
• Loss of composure when the vehicle is carrying normal road loads

Installation Notes and Tips

Fits 2016-2021 Mercedes-Benz Metris, rear. Confirm the lower and upper mount types match the vehicle before installation, and compare compressed length, extended length, and stroke length to the removed part. Replace shocks in pairs on the same axle to maintain balanced rear suspension performance. Verify all mounting points are clean and free of damage before tightening to specification.

Quality Assurance

KYB is a major OE suspension supplier, and the Gas-a-just line is built around OE-style replacement requirements for consistent fit and function on the Mercedes-Benz Metris platform. Part number 5530021 is specified for the rear position on 2016-2021 Mercedes-Benz Metris applications.