{"product_id":"n-014-733-8-genuine-vw-audi-m10-x-50-hex-socket-bolt","title":"N-014-733-8 Genuine VW\/Audi M10 x 50 Hex-Socket Bolt","description":"\u003ch2\u003eFactory hex-socket hardware for the specified idler pulley\u003c\/h2\u003e\u003cp\u003eN-014-733-8 is a Genuine VW\/Audi M10 x 50 internal-hex bolt. In the confirmed application below, it secures the specified idler pulley in the alternator-belt drive on the 4.2L T81 engine.\u003c\/p\u003e\u003cp\u003eThe original pulley arrangement depends on the correct bolt length, head clearance and seating geometry. This individual bolt does not include the pulley, bearing, protective cap, belt or any separate mounting hardware.\u003c\/p\u003e\u003ch3\u003eTechnical details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eComplete factory number: N-014-733-8.\u003c\/li\u003e\n\u003cli\u003eFactory specification: M10 x 50 mm, internal six-sided hex drive.\u003c\/li\u003e\n\u003cli\u003eDesign: Cylindrical socket head and threaded shank; match the complete original factory number.\u003c\/li\u003e\n\u003cli\u003eQuantity supplied: one individual bolt.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe M10 x 50 specification gives the nominal thread diameter and fastener length. No unverified thread pitch, strength class, shipping dimensions or weight are added.\u003c\/p\u003e\u003ch3\u003eCommon reasons to replace\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eA rounded internal-hex recess that prevents controlled removal or tightening.\u003c\/li\u003e\n\u003cli\u003eDamaged threads, a bent shank or a damaged head seating surface.\u003c\/li\u003e\n\u003cli\u003eA missing bolt or incorrectly substituted hardware discovered during belt-drive service.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eInspect the idler bearing, pulley surface, belt and mounting bore. Belt noise or bearing play usually requires diagnosis of the pulley assembly; replacing the bolt alone does not repair a worn bearing or damaged mounting component.\u003c\/p\u003e\u003ch3\u003eVehicle fitment\u003c\/h3\u003e\u003cp\u003eMatch the engine branch and original idler-pulley location in the table. Shared 4.2L displacement does not establish compatibility with a later engine or a different pulley arrangement.\u003c\/p\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\u003ctr\u003e\n\u003ctd\u003eAudi A8 L\u003c\/td\u003e\n\u003ctd\u003e2004\u003c\/td\u003e\n\u003ctd\u003e4.2L V8 gasoline, PR T81 (077-series)\u003c\/td\u003e\n\u003ctd\u003eD3 long-wheelbase sedan, quattro; Automatic\u003c\/td\u003e\n\u003ctd\u003eAlternator-belt idler pulley bolt at the original N-014-733-8 location. For the T81 4.2L engine branch; not later FSI or 5.2L S8 hardware.\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eInstallation guidance\u003c\/h3\u003e\u003cp\u003eRelieve belt tension using the prescribed method before servicing the pulley. Keep the correct spacers and mounting pieces in their specified order and start the bolt without cross-threading.\u003c\/p\u003e\u003cp\u003eUse a fully seated hex bit and the factory tightening specification for the exact idler joint. Verify pulley alignment, belt routing and clearance before operating the engine.\u003c\/p\u003e\u003ch3\u003eOrdering information\u003c\/h3\u003e\u003cp\u003eNew and unused inventory. Sold individually as N-014-733-8. Confirm the original complete number, engine specification and required quantity before ordering.\u003c\/p\u003e","brand":"Genuine VW\/Audi","offers":[{"title":"Default Title","offer_id":48049276682417,"sku":"N-014-733-8","price":4.56,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0681\/1379\/3201\/files\/n-014-733-8-genuine-vw-audi-1.jpg?v=1792158480","url":"https:\/\/hstuning.com\/products\/n-014-733-8-genuine-vw-audi-m10-x-50-hex-socket-bolt","provider":"HS Tuning ","version":"1.0","type":"link"}