Unity 253600 Suspension Shock Absorber - Rear

Rear Gas Charged Shock for Chrysler 300 and Dodge Charger

Unity 253600 is a rear gas charged shock absorber built for select Chrysler, Dodge, and Magnum applications. It is engineered to match OEM-style dimensions and control characteristics, with nitrogen gas charging for consistent response over changing road conditions.

For drivers searching for a rear shock absorber for a Dodge Charger, Chrysler 300 rear shock replacement, or a rear suspension shock absorber for a Dodge Magnum, this Unity unit provides a direct-fit service part for the listed applications.

Key Features

• Gas charged design for steady damping response
• Compressed length: 18.1 in.
• Extended length: 25.3 in.
• Travel length: 7.2 in.
• Painted finish for corrosion-resistant appearance
• OEM-spec style construction for listed rear applications
• Part number: 253600

Product Details

Unity Automotive has more than 40 years of aftermarket suspension manufacturing experience, and the Gas Charged Shock Absorber line is built around OEM specifications for fit and function. Part 253600 is a rear suspension shock absorber with a fixed length design and nitrogen gas charging to help maintain consistent control during normal driving. It is listed for rear use on 2005-2023 Chrysler 300, 2005-2023 Dodge Charger, 2005-2023 Dodge Challenger, and 2005-2008 Dodge Magnum applications, with configuration notes that exclude certain performance, Nivomat, police, and heavy-duty suspension setups.

This part cross-references Mopar 68230100AA for the same application.

What It Helps Address

• Excessive rear bounce after bumps
• Reduced damping control from a worn shock absorber
• Rear-end instability on uneven pavement
• Noise or harshness caused by suspension wear
• Loss of ride consistency in daily driving

Installation Notes

• Verify rear suspension configuration before ordering, especially on Charger, Challenger, and Chrysler 300 models with performance, Nivomat, police, or heavy-duty suspension packages.
• Confirm the vehicle is within the listed year range and rear position fitment.
• Compare compressed length, extended length, and travel length to the original shock before installation.
• Professional installation is recommended for proper suspension performance and alignment checks.

Quality Assurance

Unity Automotive builds this shock absorber to OEM specifications and backs its suspension products with a customer satisfaction guarantee. The brand’s aftermarket suspension focus and long-running manufacturing experience support consistent fitment for the listed rear applications.