{"product_id":"n-904-411-03-genuine-vw-audi-front-flange-shaft-bolt-m10-x-20","title":"N-904-411-03 Genuine VW\/Audi Front Flange Shaft Bolt - M10 x 20","description":"\u003cp\u003e\u003cstrong\u003eGenuine VW\/Audi front flange shaft bolt, part number N-904-411-03.\u003c\/strong\u003e This original M10 x 20 socket-head fastener serves the assigned axle-to-transmission flange attachment on the configurations below. It is supplied individually for front axle, flange shaft or related drivetrain service.\u003c\/p\u003e\u003ch3\u003eTechnical details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOriginal number: N-904-411-03 \/ N90441103.\u003c\/li\u003e\n\u003cli\u003ePublished nominal size: M10 x 20.\u003c\/li\u003e\n\u003cli\u003eInternal multi-point drive in the pictured socket head.\u003c\/li\u003e\n\u003cli\u003eSpecified application: original front flange shaft hardware in the axle-to-transmission attachment.\u003c\/li\u003e\n\u003cli\u003eThe exact-number catalog recommends replacement whenever the bolt is removed.\u003c\/li\u003e\n\u003cli\u003eOne bolt supplied. Axle, flange shaft, seals and other mounting hardware are separate.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eCorrect flange hardware retains the assigned component in its original drivetrain arrangement. This fastener is distinct from the larger outer axle bolt at the wheel hub and from other fasteners used around the axle assembly.\u003c\/p\u003e\u003cp\u003eMatch N90441103 at the actual attachment before ordering. Transmission design and axle arrangement can change the required hardware within the same vehicle family. The nominal thread size alone does not establish suitability for every flange or axle position.\u003c\/p\u003e\u003ch3\u003eCommon reasons to replace\u003c\/h3\u003e\u003cp\u003eRenew the bolt when its connection is released during axle or flange service, following the catalog recommendation and applicable factory replacement requirements. Replace missing hardware, damaged threads, a rounded drive recess, deformation or corrosion affecting reliable installation.\u003c\/p\u003e\u003cp\u003ePrevious repairs can leave an incorrect substitute or a fastener damaged by an unsuitable drive tool. Inspect the complete flange attachment and obtain the correct original hardware before reassembly.\u003c\/p\u003e\u003cp\u003eInspect mating threads and flange components alongside the bolt. A new fastener cannot repair a damaged flange shaft, stripped mating threads, worn axle joint or leaking shaft seal. Correct the diagnosed fault before completing the attachment.\u003c\/p\u003e\u003cp\u003eDrivetrain vibration, noise or fluid leakage requires inspection of the axle, joints, flange and associated components. Replacing this bolt alone does not restore a worn joint or correct a seal failure.\u003c\/p\u003e\u003ch3\u003eInstallation and service notes\u003c\/h3\u003e\u003cp\u003eFollow the factory procedure for the exact axle and transmission. Identify the assigned flange shaft bolt before releasing the connection, and support affected components as directed so the axle and associated joints are not strained.\u003c\/p\u003e\u003cp\u003eInspect mating threads and attachment surfaces. Correct damaged components and establish the prescribed assembly position before installing new hardware. Start the bolt by hand without cross-threading.\u003c\/p\u003e\u003cp\u003eUse the correctly sized drive tool fully engaged in the actual socket recess. Follow the factory tightening requirement and any specified assembly sequence for this exact flange attachment, together with the required thread preparation.\u003c\/p\u003e\u003cp\u003eDo not transfer a tightening value from the outer wheel-hub bolt, another axle joint fastener or an unrelated M10 bolt. Follow the original repair information for the actual transmission and flange arrangement.\u003c\/p\u003e\u003cp\u003eIf the fastener binds or the component does not seat normally, inspect alignment, thread condition and hardware selection before continuing. Do not compensate for a damaged connection by increasing tightening force.\u003c\/p\u003e\u003cp\u003eComplete the prescribed drivetrain operating and leakage checks after service. Confirm all affected axle and flange hardware is installed and nearby components have their required clearance. This listing supplies one original bolt; select other axle hardware and seals separately.\u003c\/p\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eVehicle\u003c\/th\u003e\n\u003cth\u003eModel years\u003c\/th\u003e\n\u003cth\u003eEngine\u003c\/th\u003e\n\u003cth\u003eConfiguration\u003c\/th\u003e\n\u003cth\u003eApplication restrictions\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eAudi A4\u003c\/td\u003e\n\u003ctd\u003e2009–2013\u003c\/td\u003e\n\u003ctd\u003e2.0L turbocharged gasoline, CAEB\u003c\/td\u003e\n\u003ctd\u003eB8\/B8.5 sedan, front-wheel drive; CVT\u003c\/td\u003e\n\u003ctd\u003eSpecified original front flange shaft bolt in the axle-to-transmission attachment. Match N90441103 at the actual position; wheel-hub bolts and other axle fasteners differ.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAudi A4\u003c\/td\u003e\n\u003ctd\u003e2014–2016\u003c\/td\u003e\n\u003ctd\u003e2.0L turbocharged gasoline, CAED\u003c\/td\u003e\n\u003ctd\u003eB8.5 sedan, front-wheel drive; CVT\u003c\/td\u003e\n\u003ctd\u003eSpecified original front flange shaft bolt in the axle-to-transmission attachment. Match N90441103 at the actual position; wheel-hub bolts and other axle fasteners differ.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003e\u003cem\u003eConfirm original N90441103 at the actual front flange shaft attachment before ordering. One bolt supplied.\u003c\/em\u003e\u003c\/p\u003e","brand":"Genuine VW\/Audi","offers":[{"title":"Default Title","offer_id":48008283291825,"sku":"N-904-411-03","price":6.52,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0681\/1379\/3201\/files\/n-904-411-03-genuine-vw-audi-1.jpg?v=1791333899","url":"https:\/\/hstuning.com\/products\/n-904-411-03-genuine-vw-audi-front-flange-shaft-bolt-m10-x-20","provider":"HS Tuning ","version":"1.0","type":"link"}