{"product_id":"n-104-129-01-genuine-vw-audi-tdi-injector-rocker-adjuster-nut","title":"N-104-129-01 Genuine VW\/Audi TDI Injector Rocker Adjuster Nut","description":"\u003ch2\u003eGenuine pump-injector rocker adjustment nut\u003c\/h2\u003e\u003cp\u003eThe N-104-129-01 Genuine VW\/Audi hexagon nut locks the assigned adjusting screw in the pump-injector rocker assembly on the BEW and BHW TDI applications listed below.\u003c\/p\u003e\u003cp\u003eThese engines use mechanically actuated pump injectors with a specified rocker adjustment. This nut belongs to that adjustment connection and must match the original screw. It is not an injector hold-down bolt, camshaft bearing fastener or general cylinder-head nut.\u003c\/p\u003e\u003ch3\u003eTechnical details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eComplete factory number: N-104-129-01.\u003c\/li\u003e\n\u003cli\u003eFactory specification: M12 × 1.25 thread.\u003c\/li\u003e\n\u003cli\u003eDesign: hexagon lock nut for the original ball-head injector-rocker adjusting screw.\u003c\/li\u003e\n\u003cli\u003eQuantity supplied: one individual nut.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe factory thread specification identifies the mating connection rather than packaged shipping dimensions. Match the full part number and original adjuster. Different TDI injection systems can use completely different hardware despite sharing the 1.9L displacement.\u003c\/p\u003e\u003ch3\u003eCommon reasons to replace\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eThe nut threads are stripped or crossed.\u003c\/li\u003e\n\u003cli\u003eThe wrenching flats are rounded or damaged.\u003c\/li\u003e\n\u003cli\u003eThe bearing surface is damaged and will not seat correctly.\u003c\/li\u003e\n\u003cli\u003eIncorrect hardware was fitted during a previous rocker or injector repair.\u003c\/li\u003e\n\u003cli\u003eInspection during the prescribed rocker adjustment identifies a nut requiring replacement.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eInspect the adjusting screw, rocker assembly and injector contact surfaces. A new nut cannot repair a worn adjuster or damaged rocker. Rough running, starting faults and camshaft wear require diagnosis before hardware is replaced.\u003c\/p\u003e\u003ch3\u003eVehicle fitment\u003c\/h3\u003e\u003cp\u003eThe rows require the specified BEW or BHW pump-injector TDI engine and original rocker-adjusting screw. ALH distributor-pump engines and gasoline engines are excluded.\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\u003e2004\u003c\/td\u003e\n\u003ctd\u003e1.9L TDI pump-injector diesel inline-four; BEW; PR T5X\u003c\/td\u003e\n\u003ctd\u003eMk4 sedan or wagon; front-wheel drive; Original pump-injector rocker adjustment assembly\u003c\/td\u003e\n\u003ctd\u003eBEW pump-injector rocker adjusting-screw lock nut only; M12×1.25. Excludes ALH distributor-pump TDI and gasoline engines.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolkswagen New Beetle\u003c\/td\u003e\n\u003ctd\u003e2006\u003c\/td\u003e\n\u003ctd\u003e1.9L TDI pump-injector diesel inline-four; BEW\u003c\/td\u003e\n\u003ctd\u003eCoupe; front-wheel drive; Original pump-injector rocker adjustment assembly\u003c\/td\u003e\n\u003ctd\u003eBEW original rocker adjuster assembly; M12×1.25 N10412901 at position 21. Excludes gasoline, ALH and non-domestic BSW branch.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolkswagen Golf\u003c\/td\u003e\n\u003ctd\u003e2004–2005\u003c\/td\u003e\n\u003ctd\u003e1.9L TDI pump-injector diesel inline-four; BEW \/ PR T5X\u003c\/td\u003e\n\u003ctd\u003eMk4 hatchback; front-wheel drive; Original pump-injector rocker adjustment assembly\u003c\/td\u003e\n\u003ctd\u003eOriginal M12 × 1.25 injector-rocker adjusting-screw lock nut. Match BEW engine and installed adjuster; excludes ALH distributor-pump engines and gasoline.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolkswagen Passat\u003c\/td\u003e\n\u003ctd\u003e2005\u003c\/td\u003e\n\u003ctd\u003e2.0L TDI pump-injector diesel inline-four; BHW\u003c\/td\u003e\n\u003ctd\u003eB5.5 sedan or wagon; front-wheel drive; Five-speed Tiptronic automatic\u003c\/td\u003e\n\u003ctd\u003eOriginal pump-injector rocker ball-head adjuster and M12 × 1.25 N10412901 lock nut. Match BHW engine and installed rocker assembly; excludes 1.8T, gasoline V6, W8 and foreign 1.9L TDI.\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 pump-injector rocker adjustment procedure for the exact engine. Correct cam position, screw setting and nut tightening are part of the prescribed adjustment; do not select an arbitrary adjustment or torque from a different engine. Keep the adjuster from moving while securing the nut as instructed.\u003c\/p\u003e\u003cp\u003eVerify the adjustment and assembly checks required by the repair procedure, restore disturbed components and complete the prescribed post-service engine checks. Correct hardware does not compensate for an incorrectly set injector rocker.\u003c\/p\u003e\u003ch3\u003eOrdering information\u003c\/h3\u003e\u003cp\u003eSupplied as one genuine nut. Adjusting screw, rocker shaft, injector, camshaft, seals and a complete repair kit are not included. Confirm the quantity required for the repair.\u003c\/p\u003e","brand":"Genuine VW\/Audi","offers":[{"title":"Default Title","offer_id":48046909882545,"sku":"N-104-129-01","price":3.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0681\/1379\/3201\/files\/n-104-129-01-genuine-vw-audi-1.jpg?v=1792129191","url":"https:\/\/hstuning.com\/products\/n-104-129-01-genuine-vw-audi-tdi-injector-rocker-adjuster-nut","provider":"HS Tuning ","version":"1.0","type":"link"}