{"product_id":"n-102-638-01-genuine-vw-audi-m10x65-hex-bolt","title":"N-102-638-01 Genuine VW\/Audi M10x65 Hex Bolt","description":"\u003ch2\u003eGenuine M10×65 hardware for the exact assigned connection\u003c\/h2\u003e\u003cp\u003eN-102-638-01 is the Genuine VW\/Audi M10×65 hexagon-head bolt. Confirmed applications below include the specified A4 crankshaft main-bearing connection and a separate Audi 200 steering-gear attachment.\u003c\/p\u003e\u003cp\u003eThe same factory number can serve different assigned assemblies. Use the application column to identify the correct purpose on your vehicle and restore the original hardware arrangement.\u003c\/p\u003e\u003ch3\u003eTechnical details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eComplete factory number: N-102-638-01.\u003c\/li\u003e\n\u003cli\u003eFactory specification: M10 × 65.\u003c\/li\u003e\n\u003cli\u003eDesign: external hexagon-head bolt.\u003c\/li\u003e\n\u003cli\u003eQuantity supplied: one individual bolt.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThread diameter and length are only part of the identification. For the A4 main-bearing application, the factory separates AEB\/ATW M10×65 hardware from AWM M10×80 hardware. Do not interchange them based on the vehicle badge alone.\u003c\/p\u003e\u003ch3\u003eCommon reasons to replace\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eThreads or the hexagon head are damaged.\u003c\/li\u003e\n\u003cli\u003eThe bolt is missing during assembly work.\u003c\/li\u003e\n\u003cli\u003eThe head or bearing surface is distorted.\u003c\/li\u003e\n\u003cli\u003eIncorrect hardware was installed during an earlier repair.\u003c\/li\u003e\n\u003cli\u003eThe factory procedure requires a replacement for the serviced connection.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eInspect the receiving threads and mating surfaces. For main-bearing work, verify cap identity, orientation and bearing clearances according to the engine procedure. For steering work, inspect the mounting assembly and original washer or spacer arrangement separately.\u003c\/p\u003e\u003ch3\u003eVehicle fitment\u003c\/h3\u003e\u003cp\u003eMatch the engine code, body style and exact connection. The Audi 200 steering application does not imply that this bolt is its crankshaft main-bearing fastener.\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\n\u003ctr\u003e\n\u003ctd\u003eAudi A4\u003c\/td\u003e\n\u003ctd\u003e1997–2000\u003c\/td\u003e\n\u003ctd\u003e1.8L turbocharged gasoline I4; AEB or ATW\u003c\/td\u003e\n\u003ctd\u003eB5 sedan; front-wheel drive or quattro; Original crankshaft main-bearing cap connection\u003c\/td\u003e\n\u003ctd\u003eAEB\/ATW engine only; original N10263801 M10×65 main-bearing bolt. Excludes AWM M10×80 positions.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAudi A4\u003c\/td\u003e\n\u003ctd\u003e1999–2000\u003c\/td\u003e\n\u003ctd\u003e1.8L turbocharged gasoline I4; AEB or ATW\u003c\/td\u003e\n\u003ctd\u003eB5 Avant; quattro; Original crankshaft main-bearing cap connection\u003c\/td\u003e\n\u003ctd\u003eAEB\/ATW engine only; original N10263801 M10×65 main-bearing bolt. Excludes AWM M10×80 positions.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAudi 200 quattro\u003c\/td\u003e\n\u003ctd\u003e1991\u003c\/td\u003e\n\u003ctd\u003e2.2L turbocharged 20-valve gasoline I5; 3B\u003c\/td\u003e\n\u003ctd\u003eSedan or Avant; left-hand drive; Original steering-gear assembly attachment\u003c\/td\u003e\n\u003ctd\u003eOnly original N10263801 M10×65 steering attachment. Confirm original washer and mating hardware.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eInstallation guidance\u003c\/h3\u003e\u003cp\u003eFollow the factory repair procedure for the actual assembly. Main-bearing service requires the specified cap sequence, bolt preparation and tightening method. Steering attachment work requires its own supporting and tightening instructions. Do not infer either procedure from the bolt size.\u003c\/p\u003e\u003cp\u003eComplete all factory assembly and functional checks for the serviced system before returning the vehicle to service. Restore any additional single-use hardware as required.\u003c\/p\u003e\u003ch3\u003eOrdering information\u003c\/h3\u003e\u003cp\u003eOne genuine bolt is supplied. Bearings, caps, steering components, washers and other hardware are not included. Confirm the original number and required quantity.\u003c\/p\u003e","brand":"Genuine VW\/Audi","offers":[{"title":"Default Title","offer_id":48047354773681,"sku":"N-102-638-01","price":6.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0681\/1379\/3201\/files\/n-102-638-01-genuine-vw-audi-1.jpg?v=1792134210","url":"https:\/\/hstuning.com\/products\/n-102-638-01-genuine-vw-audi-m10x65-hex-bolt","provider":"HS Tuning ","version":"1.0","type":"link"}