N-906-674-02 Genuine VW/Audi Hexagon Bolt M6 × 10mm

Genuine VW/Audi Hexagon Bolt M6 × 10mm

N-906-674-02 is an original Volkswagen Group fastening bolt cataloged as M6 × 10. A documented application is the factory audio-amplifier mounting arrangement on the specified first-generation Volkswagen Tiguan profiles below. At this fastening point, the correct bolt retains the amplifier installation to its assigned mounting arrangement. One individual bolt is supplied.

Technical details

• OEM number: N-906-674-02 / N90667402.
• Catalog specification: M6 × 10; 6mm nominal metric thread diameter and 10mm nominal catalog length.
• Head: Hexagon head with an integral seating collar and internal drive recess, as shown in the original product photo.
• Documented assembly: Factory external audio-amplifier mounting hardware; reference 9 in the confirmed Tiguan sound-system diagrams.
• Supplied item: One bolt. Amplifier, bracket, cover and additional mounting hardware are separate parts.

Common reasons to replace

Replace this bolt if the drive recess or external hexagon is damaged, its threads are stripped or corroded, or its head and seating collar no longer sit correctly. Missing hardware and an incorrect substitute are also reasons to install the specified original fastener when servicing an amplifier or its mounting bracket. An unsuitable drive tool or a tool that is not fully engaged can damage the head during removal.

Inspect the receiving threads and the amplifier mounting arrangement before installing a replacement. A loose amplifier or a rattle near its mounting area calls for checking the complete bracket and all fastening points. A new bolt alone will not correct a bent bracket, stripped receiving threads or a damaged mounting tab. An audio fault does not by itself establish that this mounting bolt has failed; electrical connections and the sound-system components need separate diagnosis.

Installation and service notes

Confirm the original amplifier arrangement, fastening position and complete OEM number before ordering. Similar-looking bolts may have different lengths or thread specifications. Match the vehicle's factory audio equipment and the applicable VIN split rather than selecting this bolt solely by model name or trim badge. The documented Dynaudio amplifier entries include a split at VIN 5N9020001, so the original amplifier and bracket configuration must be checked.

Follow the vehicle-specific procedure for electrical isolation and access to the amplifier. Support and align the component as required, inspect the mounting surfaces and start the bolt by hand to protect the receiving threads. Use a tool that fully engages the head and tighten according to the original service instructions. Do not substitute an unverified tightening torque or force a longer bolt into the mounting point. Check that the assembly is secure and that nearby wiring is correctly routed before restoring operation.

Vehicle fitment

The profiles below identify confirmed factory amplifier mounting applications. They apply only where the original assembly specifies N90667402 at the listed fastening point; the presence of a premium sound-system amplifier must be verified. Check the exact audio equipment, bracket and VIN before purchase.

This listing supplies one fastening bolt. It does not include the amplifier or the remaining mounting components.