Bilstein B4 2005 Audi S4 Base Rear Twintube Shock Absorber

This Bilstein shock absorber is engineered for the verified 2005-2008 Audi A4 application listed below. It is selected by exact manufacturer part number 19-164489, so confirm every fitment note, suspension configuration, ride-height requirement, and included component before ordering.

Key Features

• Gas Pressure Technology: Reduces aeration and maintains performance.
• OE Replacement Design: Matches factory specifications for seamless installation.
• Twintube Construction: Provides consistent damping across varying road conditions.
• Designed for vehicles with standard suspension.
• Yes, it is designed as a direct OE replacement for the rear position on Base models.

Fitment

Specifications

What’s Included

One new Bilstein product identified by manufacturer part number 19-164489. Mounts, isolators, fasteners, alignment parts, bump stops, tools, and companion components are included only when expressly stated for this exact part number.

About Bilstein

Bilstein develops lowering, lifting, shock, strut, coilover, spring, sway-bar, spindle, and related suspension products for trucks, SUVs, and performance vehicles. Product selection remains exact-application and exact-part-number specific.

Related Bilstein Products

• Bilstein B4 1998 Audi A6 Base Rear Twintube Shock Absorber
• Bilstein B4 2000 Audi TT Quattro Base Rear Twintube Shock Absorber
• Bilstein B4 00-06 Toyota RAV4 Base Rear Twintube Shock Absorber

Browse the Bilstein collection for related suspension components.

Frequently Asked Questions

Will this Bilstein part fit my 2005-2008 Audi A4?
That application is listed, but confirm the drivetrain, cab or body style, bed length, factory suspension, production split, current ride height, and every Bilstein application note before ordering.

Will I need an alignment after installation?
An alignment is recommended whenever ride height or suspension geometry changes. Verify tire clearance, steering travel, brake-line routing, headlight aim, and all fastener torque after the work.

Does this include every part needed for installation?
Only parts expressly stated for this exact manufacturer part number are included. Reuse or replacement of mounts, isolators, hardware, alignment parts, bump stops, and related components depends on the application.

Installation Instructions

Follow the current Bilstein instructions and vehicle service information for this exact part number. Support the vehicle safely, use the specified tools and torque values, inspect all mounts and hardware, verify brake-line and tire clearance, settle the suspension, and complete an alignment when geometry or ride height changes. Professional installation is recommended.