• N-911-490-01 Genuine VW/Audi individual belt tensioner screw with internal hex head and broad washer, one screw supplied, original product photo 1
  • N-911-490-01 Genuine VW/Audi individual belt tensioner screw with internal hex head and broad washer, internal hex drive shown, repeated original gallery photo 2
  • N-911-490-01 Genuine VW/Audi individual belt tensioner screw with internal hex head and broad washer, broad washer visible, repeated original gallery photo 3
  • N-911-490-01 Genuine VW/Audi individual belt tensioner screw with internal hex head and broad washer, M6 by 10 nominal size, repeated original gallery photo 4
  • N-911-490-01 Genuine VW/Audi individual belt tensioner screw with internal hex head and broad washer, original tensioner hardware photograph, repeated original gallery photo 5
  • N-911-490-01 Genuine VW/Audi individual belt tensioner screw with internal hex head and broad washer, single replacement fastener, repeated original gallery photo 6
  • N-911-490-01 Genuine VW/Audi individual belt tensioner screw with internal hex head and broad washer, same original product image, repeated original gallery photo 7
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Genuine VW/Audi

N-911-490-01 Genuine VW/Audi Drive Belt Tensioner Bolt

N-911-490-01 Genuine VW/Audi Drive Belt Tensioner Bolt

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N-911-490-01

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OVERVIEW

Genuine VW/Audi Drive Belt Tensioner Bolt

N-911-490-01 is the genuine M6×10 screw used to secure the accessory drive belt tensioner at its assigned bracket attachment. It uses an internal hex drive and the broad washer arrangement shown in the original photograph. The correct screw maintains the specified attachment between these components.

This listing supplies one individual screw. The tensioner, roller, bracket, belt and other mounting hardware are separate. Similar screws can have different lengths or seating arrangements; match the exact original number and attachment rather than replacing it with a generic bolt selected by diameter alone.

Technical details

  • OEM number: N-911-490-01 / N91149001.
  • Nominal size: M6×10.
  • Drive: Internal hex.
  • Head arrangement: Combination screw with the broad washer visible in the original photo.
  • Quantity: One screw per purchased unit.
  • Confirmed function: Assigned accessory belt tensioner/bracket attachment.

These confirmed applications use the specified TSI or TFSI accessory drive arrangement. An earlier FSI engine or a different engine family can use other brackets and hardware even when the vehicle has the same model name. Identify the actual engine and original attachment before ordering.

Common reasons to replace

Replacement is appropriate when the internal drive is rounded, the thread is damaged, the seating surface is damaged or the screw has been lost during tensioner service. Inspect the screw when renewing a tensioner or bracket, and follow the factory instructions on which hardware must be renewed for that repair.

Inspect the mating thread, bracket, tensioner and belt path as well. A loose or damaged attachment can require correction beyond a new screw. Belt squeal, pulley noise or irregular tensioner movement can have other causes; this fastener does not replace a worn roller, failed tensioner or damaged belt.

Fitment

Match the engine type and original accessory drive attachment shown below. The screw applies only where the factory catalog assigns N91149001.

Vehicle Model years Engine Configuration Application restrictions
Volkswagen GTI 2008–2009 2.0L turbocharged gasoline four-cylinder; TSI / TFSI Mk5 hatchback; FWD; TSI engine only; Six-speed manual or six-speed DSG CCTA or CBFA only; confirm the mid-model-year TSI engine. Excludes earlier BPY FSI.
Volkswagen GTI 2010–2014 2.0L turbocharged gasoline four-cylinder; TSI / TFSI Mk6 hatchback; FWD; TSI; Six-speed manual or six-speed DSG CCTA or CBFA accessory belt tensioner attachment.
Volkswagen Tiguan 2009–2011 2.0L turbocharged gasoline four-cylinder; TSI / TFSI 5N SUV; FWD or 4Motion; TSI; Six-speed automatic; six-speed manual on factory FWD configuration where offered Original TSI accessory belt tensioner attachment; match exact screw.
Volkswagen Tiguan 2012–2017 2.0L turbocharged gasoline four-cylinder; TSI / TFSI 5N SUV; FWD or 4Motion; TSI; Six-speed automatic Original TSI accessory belt tensioner attachment; no MQB-generation coverage established here.
Audi A3 2009–2013 2.0L turbocharged gasoline four-cylinder; TSI / TFSI 8P Sportback; FWD or quattro; chain-driven TFSI; Six-speed manual FWD where offered or six-speed S tronic Original EA888 accessory belt tensioner attachment; excludes earlier BPY FSI, diesel and 3.2L.
Audi Q3 2015–2018 2.0L turbocharged gasoline four-cylinder; TSI / TFSI 8U SUV; FWD or quattro; Six-speed automatic Original 2.0L gasoline alternator/tensioner bracket attachment assigned N91149001; excludes F3 generation and diesel.
Volkswagen CC 2009–2012 2.0L turbocharged gasoline inline-four; chain-driven TSI Sedan; FWD; CCTA/CBFA engine only; 6-speed manual or 6-speed DSG Original M6 × 10 mm accessory belt tensioner screw assignment only. Match original tensioner and complete bolt number; excludes BPY belt-driven FSI, diesel, VR6 and other engine variants.
Volkswagen CC 2013–2017 2.0L turbocharged gasoline inline-four; chain-driven TSI Sedan; FWD; original 2.0T TSI accessory drive; 6-speed DSG Original M6 × 10 mm accessory belt tensioner screw assignment only. Match original tensioner and complete bolt number; excludes BPY belt-driven FSI, diesel, VR6 and other engine variants.
Volkswagen Eos 2009–2015 2.0L turbocharged gasoline inline-four; chain-driven TSI 1F convertible; FWD; CCTA/CBFA TSI engine only; 6-speed DSG Original M6 × 10 mm accessory belt tensioner screw assignment only. Match original tensioner and complete bolt number; excludes BPY belt-driven FSI, diesel, VR6 and other engine variants.
Volkswagen Jetta 2009 2.0L turbocharged gasoline inline-four; chain-driven TSI Mk5 sedan; FWD; chain-driven TSI engine only; 6-speed DSG Original M6 × 10 mm accessory belt tensioner screw assignment only. Match original tensioner and complete bolt number; excludes BPY belt-driven FSI, diesel, VR6 and other engine variants.
Volkswagen GLI 2012–2013 2.0L turbocharged gasoline inline-four; chain-driven TSI Mk6 Jetta GLI sedan; FWD; CCTA/CBFA TSI only, excludes Gen 3 transition variants; 6-speed manual Original M6 × 10 mm accessory belt tensioner screw assignment only. Match original tensioner and complete bolt number; excludes BPY belt-driven FSI, diesel, VR6 and other engine variants.

Installation and service guidance

Follow the factory accessory belt and tensioner procedure. Keep the engine off and prevent it from starting while working around the belt drive. Release and control tensioner movement using the prescribed tool and method before disturbing its attachment.

Clean and inspect the mating thread and seating surfaces. Position the correct tensioner or bracket, start the replacement screw by hand and confirm that it engages normally. Do not force a damaged thread or substitute an unverified screw length, washer stack or tightening value.

Tighten according to the factory specification for this exact attachment. Refit and route the belt correctly, then check that it is seated on all pulleys and that the tensioner moves normally. Complete the required operational inspection after the repair.

This screw restores its assigned fastening point. It does not alter belt length, tensioner calibration or the accessory drive service requirements.