Bilstein 19-338644 Suspension Shock Absorber - Rear

Bilstein B4 OE Replacement Shock Absorber Overview

The Bilstein shock absorber part number 19-338644 is designed specifically for Hyundai Ioniq models, providing reliable suspension performance. Engineered with a twin-tube internal design and finished in durable black paint, this shock absorber offers consistent damping and ride comfort.

• Compatible with Hyundai Ioniq vehicles
• Collapsed length: 15.87 inches (403.0 mm)
• Extended length: 24.41 inches (620.0 mm)
• Internal twin-tube design for smooth operation
• Lower mount type: Eye 12.1 mm
• Upper mount type: Stem
• Finished with protective black paint
• Boot and spring seat not included

About the Bilstein B4 OE Replacement Series

The B4 OE Replacement line from Bilstein is engineered to meet or exceed original equipment specifications. This series focuses on restoring the original driving characteristics of your Hyundai Ioniq by using OE-quality components and designs. The B4 shocks provide a balance of comfort and control, making them suitable for daily driving and standard road conditions.

Technical Details and Features

This Bilstein shock absorber features a twin-tube internal design that ensures consistent damping performance and improved ride quality. The shock’s collapsed length of 15.87 inches (403.0 mm) and extended length of 24.41 inches (620.0 mm) are tailored to fit the Hyundai Ioniq suspension geometry precisely. The lower mount uses a 12.1 mm eye, while the upper mount is a stem type, ensuring proper fitment and secure installation. The black paint finish provides corrosion resistance to extend the service life of the shock absorber.

Common Suspension Issues Addressed

• Reduced ride comfort due to worn shocks
• Excessive body roll or instability during cornering
• Uneven tire wear caused by poor damping
• Increased braking distances from compromised suspension
• Noise or vibration from damaged or leaking shocks

Installation Notes and Tips

When installing the Bilstein 19-338644 shock absorber on a Hyundai Ioniq, ensure the vehicle is securely lifted and supported. Verify the upper stem and lower eye mount align correctly with the vehicle’s suspension points. Since this shock does not include a boot or spring seat, reuse existing components if they are in good condition or replace them separately if needed. Proper torque specifications should be followed to maintain safety and performance.

Quality Assurance and Warranty

Bilstein B4 OE Replacement shocks are manufactured to meet strict quality standards, ensuring durability and consistent performance. While specific warranty details for part number 19-338644 are not provided here, Bilstein typically offers limited warranties covering defects in materials and workmanship. Refer to official Bilstein documentation for exact warranty terms.