{"product_id":"n-102-861-02-genuine-vw-audi-upper-control-arm-self-locking-collar-nut","title":"N-102-861-02 Genuine VW\/Audi Upper Control Arm Self-Locking Collar Nut","description":"\u003ch2\u003eGenuine Front Upper Control Arm Mounting Hardware\u003c\/h2\u003e\u003cp\u003eThe N-102-861-02 Genuine VW\/Audi self-locking collar nut is used with the matched front upper control-arm fastening hardware on the applications listed below. This listing supplies one original part-number nut for a specific suspension mounting position.\u003c\/p\u003e\u003ch3\u003eTechnical Details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOEM part number: N-102-861-02.\u003c\/li\u003e\n\u003cli\u003eThread specification: M10 × 1.5.\u003c\/li\u003e\n\u003cli\u003eConfiguration: hexagon nut with an integral seating collar.\u003c\/li\u003e\n\u003cli\u003eRetention design: self-locking.\u003c\/li\u003e\n\u003cli\u003eMatched application: front upper control-arm mounting hardware in the referenced assembly.\u003c\/li\u003e\n\u003cli\u003eRelated fasteners in that assembly include N-104-253-02 arm bolts and N-034-790-8 pinch bolts.\u003c\/li\u003e\n\u003cli\u003eQuantity supplied: one nut. Related bolts, control arms and other pieces are sold separately.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe collar provides the specified seating surface at the matched joint, while the self-locking design provides resistance to loosening when installed correctly. Correct retention still depends on the proper mating bolt, undamaged threads, correct seating and the vehicle-specific tightening procedure. A nut with a similar diameter is not automatically suitable for the same mounting position.\u003c\/p\u003e\u003ch3\u003eCommon Reasons to Replace\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eThe nut has been removed during upper control-arm or associated suspension service and the repair procedure requires new locking hardware.\u003c\/li\u003e\n\u003cli\u003eThreads are stripped, cross-threaded or damaged by corrosion.\u003c\/li\u003e\n\u003cli\u003eThe hexagon is rounded and no longer provides reliable tool engagement.\u003c\/li\u003e\n\u003cli\u003eThe original nut is missing or has been replaced with incorrectly specified hardware.\u003c\/li\u003e\n\u003cli\u003eThe collar or seating surface is visibly damaged and cannot seat properly.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eInspect the mating bolt, bushings and mounting surfaces at the same time. A new nut does not repair a worn ball joint, split bushing, damaged pinch-bolt bore or stripped bolt. Suspension noises, alignment changes and steering movement require diagnosis of the complete assembly.\u003c\/p\u003e\u003ch3\u003eVehicle Fitment\u003c\/h3\u003e\u003cp\u003eThe following entries apply to the matched front upper control-arm hardware. The suspension fastener position controls compatibility; engine size alone does not identify this nut. Confirm the original part number and chassis generation before ordering.\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\u003e1997–2001\u003c\/td\u003e\n\u003ctd\u003eOriginal engine; fitment at this upper control-arm mounting position is not engine-specific\u003c\/td\u003e\n\u003ctd\u003eB5\/8D with the matched original front upper control-arm assembly; Original manual or automatic drivetrain; match suspension fastener position\u003c\/td\u003e\n\u003ctd\u003eM10 × 1.5 self-locking collar nut used with the matched upper control-arm hardware: N-104-253-02 arm bolts and N-034-790-8 pinch bolts in the referenced assembly. Verify original nut and suspension arrangement; not a blanket replacement for every M10 nut on the vehicle.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAudi A4\u003c\/td\u003e\n\u003ctd\u003e2002–2005\u003c\/td\u003e\n\u003ctd\u003eOriginal engine; fitment at this upper control-arm mounting position is not engine-specific\u003c\/td\u003e\n\u003ctd\u003eB6\/8E; through chassis 8E-5-400000 with the matched original front upper control-arm assembly; Original manual or automatic drivetrain; match suspension fastener position\u003c\/td\u003e\n\u003ctd\u003eM10 × 1.5 self-locking collar nut used with the matched upper control-arm hardware: N-104-253-02 arm bolts and N-034-790-8 pinch bolts in the referenced assembly. Verify original nut and suspension arrangement; not a blanket replacement for every M10 nut on the vehicle.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAudi A4\u003c\/td\u003e\n\u003ctd\u003e2005–2008\u003c\/td\u003e\n\u003ctd\u003eOriginal engine; fitment at this upper control-arm mounting position is not engine-specific\u003c\/td\u003e\n\u003ctd\u003eB7\/8E; from chassis 8E-5-400001 with the matched original front upper control-arm assembly; Original manual or automatic drivetrain; match suspension fastener position\u003c\/td\u003e\n\u003ctd\u003eM10 × 1.5 self-locking collar nut used with the matched upper control-arm hardware: N-104-253-02 arm bolts and N-034-790-8 pinch bolts in the referenced assembly. Verify original nut and suspension arrangement; not a blanket replacement for every M10 nut on the vehicle.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolkswagen Passat\u003c\/td\u003e\n\u003ctd\u003e1998–2005\u003c\/td\u003e\n\u003ctd\u003eOriginal engine; fitment at this upper control-arm mounting position is not engine-specific\u003c\/td\u003e\n\u003ctd\u003eB5\/B5.5 with the matched original front upper control-arm assembly; Original manual or automatic drivetrain; match suspension fastener position\u003c\/td\u003e\n\u003ctd\u003eM10 × 1.5 self-locking collar nut used with the matched upper control-arm hardware: N-104-253-02 arm bolts and N-034-790-8 pinch bolts in the referenced assembly. Verify original nut and suspension arrangement; not a blanket replacement for every M10 nut on the vehicle.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eOrdering and Installation Notes\u003c\/h3\u003e\u003cp\u003eThis listing supplies the original N-102-861-02 revision. The later N-102-861-10 replacement appears in a wider catalog, and its entire application range is not assigned to this earlier nut. Other suspension, exhaust or drivetrain uses of an M10 collar nut need their own original-part check.\u003c\/p\u003e\u003cp\u003eFollow the factory procedure for supporting the vehicle, removing the relevant suspension hardware, renewing locking fasteners and tightening the joint. Where the procedure requires tightening a bushing joint at the specified suspension position, follow that instruction. No universal torque or lubrication instruction is supplied because the exact joint and mating bolt determine the procedure.\u003c\/p\u003e\u003cp\u003eA complete upper-arm service kit may contain multiple nuts; this product contains one. Count the hardware needed for the planned repair before ordering. The seven-image gallery repeats the available original archive photo with distinct descriptive metadata. The repeated photos do not indicate additional nuts or a complete control-arm kit.\u003c\/p\u003e","brand":"Genuine VW\/Audi","offers":[{"title":"Default Title","offer_id":48012981534897,"sku":"N-102-861-02","price":0.22,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0681\/1379\/3201\/files\/n-102-861-02-genuine-vw-audi-1.jpg?v=1791521986","url":"https:\/\/hstuning.com\/products\/n-102-861-02-genuine-vw-audi-upper-control-arm-self-locking-collar-nut","provider":"HS Tuning ","version":"1.0","type":"link"}