OVERVIEW
Factory socket bolt for the assigned luggage compartment attachment
N-905-909-01 is the Genuine VW/Audi M5 x 16 socket head bolt used at the original luggage compartment assembly connection shown below. Its compact socket head and working length match the assigned factory mounting point.
The luggage floor and partition assembly uses different fasteners for different mounting features. Match this complete part number to the original bolt position so the hardware seats correctly without bottoming or interfering with adjacent components.
Technical details
- Complete factory number: N-905-909-01.
- Factory specification: M5 x 16 mm.
- Design: internal hexagon socket head bolt with pre-applied locking compound.
- Quantity supplied: one individual bolt.
M5 is the nominal thread diameter and 16 mm is the catalog length. The genuine retailer identifies this bolt as supplied with locking fluid pre-applied; follow the factory replacement and thread-preparation requirements for the connection.
Common reasons to replace
- The original bolt is missing after interior removal.
- The socket recess or thread is damaged.
- The factory procedure calls for a replacement locking fastener.
- The previous repair used hardware of the wrong length or head shape.
- The bearing surface is damaged and no longer seats correctly.
Inspect the receiver, bracket and retained component before fitting new hardware. Loose trim or a damaged mounting feature may require additional repair; a bolt alone cannot restore a broken receiver.
Vehicle fitment
The table identifies confirmed Avant luggage compartment applications. Verify the original M5 x 16 connection in the floor or partition assembly.
| Vehicle | Model years | Engine | Configuration | Application restrictions |
|---|---|---|---|---|
| Audi A6 | 1995 | 2.8L gasoline V6 | C4 Avant; quattro; Assigned luggage compartment floor / partition assembly attachment | Original N90590901 M5 x 16 mounting position in the selected luggage compartment assembly. |
| Audi S6 | 1995 | 2.2L turbocharged gasoline I5 | C4 Avant; quattro; Assigned luggage compartment floor / partition assembly attachment | Original N90590901 M5 x 16 mounting position in the selected luggage compartment assembly. |
Installation guidance
Use the vehicle-specific interior repair procedure. Position and support the attached component, start the bolt by hand and tighten to the prescribed specification with the correctly fitting hex tool.
Confirm secure seating and normal operation of any disturbed luggage floor or partition features. Refit covers and check that the fastener does not interfere with moving or folding components.
Ordering information
Sold individually as one genuine bolt. Luggage floor, partition assembly, trim, brackets and other fasteners are separate. Confirm the original mounting position and quantity required.
