Bilstein 19-232355 Suspension Shock Absorber - Rear

Bilstein B4 Rear Shock Absorber

The Bilstein B4 OE Replacement shock absorber is built to restore original ride quality and handling for select Volkswagen Jetta and Audi A3 applications. This rear suspension shock absorber follows OE standards for fit and performance, making it a direct replacement choice for drivers who want factory-style control and comfort.

Part number 19-232355 is part of the Bilstein B4 OE Replacement line, a series focused on OE-style damping characteristics for everyday driving. It uses a twintube internal design, black paint finish, a stem upper mount, and an eye 12.1 mm lower mount for the specified rear applications.

• Bilstein B4 OE Replacement series for factory-style ride quality
• Rear suspension shock absorber for select Volkswagen Jetta and Audi A3 models
• Twintube internal design for consistent damping response
• Black paint finish
• Upper mount type: stem; lower mount type: eye 12.1 mm
• Collapsed length: 15.89 in (403.5 mm)
• Extended length: 25.18 in (639.5 mm)
• Boot included: No
• Spring seat included: No

Detailed Fitment and Application

Fits 2019-2025 Volkswagen Jetta, rear. Fits 2015 Audi A3, rear, with sport suspension and solid rear swing axle. Part number 19-232355 is a direct OE-style replacement for rear damping on these applications and is suited to drivers looking to restore original suspension response.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Common Symptoms This Part Can Address

• Excessive rear bounce after bumps
• Reduced rear-end stability during braking or cornering
• Uneven or harsh ride quality from worn dampers
• Rear suspension noise caused by degraded shock performance
• Loss of original factory ride control on Volkswagen Jetta or Audi A3 rear suspension

Installation Notes and Tips

Verify rear fitment by matching the vehicle year, model, and suspension configuration before installation. Confirm the stem upper mount and eye 12.1 mm lower mount match the original shock absorber, and compare collapsed and extended lengths to the removed part. Because boot and spring seat are not included, reuse or replace related components as needed during service.

Quality Assurance

Bilstein B4 OE Replacement dampers are engineered to meet or exceed OE standards for the listed applications. Part number 19-232355 is built for direct replacement use on compatible rear suspension setups in the Volkswagen Jetta and Audi A3.