{"product_id":"n-912-646-01-genuine-vw-audi-camshaft-adjuster-bolt","title":"N-912-646-01 Genuine VW\/Audi Camshaft Adjuster Bolt","description":"\u003ch2\u003eFactory camshaft-adjuster fastening hardware\u003c\/h2\u003e\u003cp\u003eN-912-646-01 is a Genuine VW\/Audi camshaft-adjuster bolt with an internal multipoint drive and a collared head. Its confirmed applications use the specified 1.4T timing-belt engine arrangement in the Golf and Jetta.\u003c\/p\u003e\u003cp\u003eCamshaft-adjuster fastening is part of the engine timing system. Correct bolt geometry and the engine-specific tightening sequence help establish the intended attachment; this individual bolt does not include an adjuster, timing belt, sealing plug or complete service kit.\u003c\/p\u003e\u003ch3\u003eTechnical details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eComplete factory number: N-912-646-01.\u003c\/li\u003e\n\u003cli\u003eFactory specification: M10 x 1.25 thread, collared head with internal multipoint drive.\u003c\/li\u003e\n\u003cli\u003eDesign: Long shank and flange-style head with recessed multipoint drive.\u003c\/li\u003e\n\u003cli\u003eQuantity supplied: one individual bolt.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThread diameter and pitch are confirmed factory specifications. Select the complete N-912-646-01 number for the assigned camshaft attachment rather than substituting a general-purpose M10 bolt.\u003c\/p\u003e\u003ch3\u003eCommon reasons to replace\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eReplacement during camshaft-adjuster or timing-belt work when required by the factory procedure.\u003c\/li\u003e\n\u003cli\u003eA damaged multipoint drive or damaged threads that prevent controlled tightening.\u003c\/li\u003e\n\u003cli\u003eMissing hardware, an incorrect substitute or physical damage discovered during engine service.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eTiming faults, noise or camshaft correlation codes require diagnosis of the complete system. A bolt alone will not correct a worn adjuster, damaged belt, incorrect timing or an oil-control fault.\u003c\/p\u003e\u003ch3\u003eVehicle fitment\u003c\/h3\u003e\u003cp\u003eThe table is restricted to the specified CZTA\/DGXA 1.4T engines. Other engines sold in the same model and year require separate hardware confirmation.\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\u003eVolkswagen Jetta\u003c\/td\u003e\n\u003ctd\u003e2016–2018\u003c\/td\u003e\n\u003ctd\u003e1.4L turbocharged gasoline, CZTA\u003c\/td\u003e\n\u003ctd\u003eMk6 sedan, FWD; 5-speed manual or 6-speed automatic\u003c\/td\u003e\n\u003ctd\u003eOriginal camshaft-adjuster\/timing-belt attachment specifying N-912-646-01. Excludes GLI, Hybrid, 1.8T and 2.0L engines.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolkswagen Jetta\u003c\/td\u003e\n\u003ctd\u003e2019–2021\u003c\/td\u003e\n\u003ctd\u003e1.4L turbocharged gasoline, DGXA\u003c\/td\u003e\n\u003ctd\u003eMk7 sedan, FWD; 6-speed manual or 8-speed automatic\u003c\/td\u003e\n\u003ctd\u003eOriginal camshaft-adjuster\/timing-belt attachment specifying N-912-646-01. Excludes GLI and 2022-on 1.5L engine applications.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolkswagen Golf\u003c\/td\u003e\n\u003ctd\u003e2019–2021\u003c\/td\u003e\n\u003ctd\u003e1.4L turbocharged gasoline, DGXA\u003c\/td\u003e\n\u003ctd\u003eMk7.5 hatchback, FWD; 6-speed manual or 8-speed automatic\u003c\/td\u003e\n\u003ctd\u003eOriginal camshaft-adjuster\/timing-belt attachment specifying N-912-646-01. Excludes GTI, Golf R, SportWagen, Alltrack and e-Golf.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eInstallation guidance\u003c\/h3\u003e\u003cp\u003eUse the correct engine locking and counterholding tools and follow the factory timing procedure. Keep the valve train in the prescribed service position and use the specified tightening sequence and thread preparation.\u003c\/p\u003e\u003cp\u003eReplace seals, plugs and other single-use hardware where the engine procedure requires them. Verify mechanical timing and complete the prescribed post-service checks before operating the vehicle.\u003c\/p\u003e\u003ch3\u003eOrdering information\u003c\/h3\u003e\u003cp\u003eNew and unused inventory. Sold individually as N-912-646-01. Confirm engine code, complete part number and required quantity before ordering.\u003c\/p\u003e","brand":"Genuine VW\/Audi","offers":[{"title":"Default Title","offer_id":48049296081073,"sku":"N-912-646-01","price":3.76,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0681\/1379\/3201\/files\/n-912-646-01-genuine-vw-audi-1.jpg?v=1792161565","url":"https:\/\/hstuning.com\/products\/n-912-646-01-genuine-vw-audi-camshaft-adjuster-bolt","provider":"HS Tuning ","version":"1.0","type":"link"}