034Motorsport Density Line Front Control Arm Kit for Steel Uprights, Audi A4, S4, A6 and VW Passat (1996–2005)

Every front suspension link on a steel-upright B5 Audi A4 or S4, C5 Audi A6, or B5 Volkswagen Passat comes in this 034Motorsport Density Line Control Arm Kit, along with a full set of new nuts and bolts. These cars use several separate front links to produce their handling and ride, so the box holds more arms than a buyer might expect. Worn links on these platforms commonly cause clunking over driveways and speed bumps and vague steering. 034Motorsport had an OE supplier for Audi build the arms to its specifications. The Density Line bushings use slightly stiffer, higher-durometer rubber for crisper handling and longer life.

This 034Motorsport kit carries a 24-month warranty.

This kit is only for cars with steel suspension uprights, which covers later B5 S4 models and earlier A6 models. Cars with aluminum uprights need two different lower control arms and are not covered here. You can check by looking at the uprights: if they are steel, this is the kit. Passat buyers need one more check. Cars with VINs from 000000 to 072000 have steel uprights and take this kit. Cars from 072001 to the end of B5 and B5.5 production also have steel uprights but take aluminum-upright-style arms. The kit does not fit the C5 Allroad.

Technical Details

• Manufacturer: 034Motorsport
• Part number: 034-401-1002
• Product line: Density Line, steel-upright version
• Contents: all front suspension links plus a complete installation hardware kit
• Bushings: higher-durometer rubber, slightly stiffer than factory
• Built by an OE supplier for Audi to 034Motorsport specifications
• Factory cross-references: 4D0407693AC, 4D0407694AC, 4D0407151P, 8E0411317D, 8E0411318D, 8E0407509C, 8E0407510C, 8E0407506C, 8E0407505C
• Warranty: 24 months

Installation & Tuning Notes

034Motorsport requires the suspension to be compressed to static ride height before any suspension pivot bushings are tightened. If the bushings are tightened with the suspension hanging, they carry much higher twisting forces than intended and will tear, and 034Motorsport voids the warranty. Torque every link fully at ride height.

Common Questions

How do I know if my car needs this version?
Look at the front suspension uprights. If they are steel, and your car is not a later Passat or a C5 Allroad, this is the correct kit.

Is the hardware included?
Yes. A complete hardware kit with all new nuts and bolts comes with the arms.

Why did my new bushings tear?
The usual cause is tightening the pivot bushings before the suspension is at static ride height, which over-twists the rubber.

PMB Performance carries this complete front link kit for steel-upright B5 and C5 owners.

Fitment & Compatibility

Check the fitment table below for the models and years this kit fits. Make sure your car has steel uprights, and Passat owners should confirm their VIN falls between 000000 and 072000. Send us your VIN and we will confirm fit before you order.