{"product_id":"bosch-riemenscheibe-generator-lichtmaschine-1126601031-mercedes-a-0011551215-nos","title":"Bosch generator\/alternator pulley 1126601031 Mercedes A 0011551215 NOS","description":"\u003cdiv style=\"background:#242833;border-radius:8px;padding:18px 20px;margin:0 0 14px;color:#ffffff;\"\u003e\n\u003cp style=\"margin:0 0 8px;\"\u003e\u003cstrong style=\"color:#c69a3a;\"\u003eBosch pulley for the alternator, Bosch no. 1 126 601 031 \/ Mercedes-Benz A 001 155 12 15 – NOS, unused in the original box.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"margin:0;color:#cfd3dc;\"\u003eNOS – New Old Stock  ·  Original Bosch packaging  ·  \u003cstrong style=\"color:#c69a3a;\"\u003ePoly-V profile with 6 ribs\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#f5f6f8;border-left:4px solid #c69a3a;border-radius:8px;padding:14px 18px;margin:0 0 16px;\"\u003e\n\u003cp style=\"margin:0 0 6px;font-weight:700;\"\u003eCondition of this part\u003c\/p\u003e\n\u003cp style=\"margin:0;\"\u003eNew part (NOS – New Old Stock), unused in the original yellow Bosch spare parts box with a \"1 piece\" label. The pulley is fully blackened, with no bright spots or belt wear marks in the ribs and no rust; the bore and hub cup show no installation marks. The box is age-yellowed and knocked at the edges, and there is a remnant of a peeled-off sticker on the hub.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"margin:22px 0 8px;\"\u003eFunction and location\u003c\/h3\u003e\n\u003cp style=\"margin:0 0 12px;\"\u003eThe pulley sits on the alternator's rotor shaft and transmits the drive force from the poly-V belt to the alternator. The six-rib profile is matched to a 6-rib poly-V belt; the diameter ratio to the crankshaft pulley determines the alternator speed and therefore the charging output. Two square lugs on the hub face are for the counter-holding tool used when loosening and tightening the shaft nut.\u003c\/p\u003e\n\u003cp style=\"margin:0;\"\u003eThe pulley is installed at the front, on the alternator shaft, clamped against the fan or spacer ring with a centre nut, in the belt drive at the front of the engine.\u003c\/p\u003e\n\u003ch3 style=\"margin:22px 0 8px;\"\u003eHow can you tell the pulley is faulty?\u003c\/h3\u003e\n\u003cul style=\"margin:0 0 16px;padding-left:20px;\"\u003e\n\u003cli\u003eThe poly-V belt slips and\/or squeals\u003c\/li\u003e\n\u003cli\u003eThe pulley is worn in, has excess play or is rusted\u003c\/li\u003e\n\u003cli\u003eVisible wear marks or rust in the ribs instead of a smooth, blackened surface\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin:0 0 16px;\"\u003e\u003cstrong\u003ePart numbers:\u003c\/strong\u003e Bosch 1 126 601 031, Mercedes-Benz A 001 155 12 15 (A0011551215). Cross-reference numbers listed for clarification: the single-rib sister pulley Bosch 6 033 GD5 100 \/ Mercedes-Benz A 001 155 34 15, and the 5-rib Bosch pulley F00M991185 or F00M991005 – these do NOT fit this item.\u003c\/p\u003e\n\u003cdiv style=\"background:#f5f6f8;border-left:4px solid #c69a3a;border-radius:8px;padding:14px 18px;margin:0 0 16px;\"\u003e\n\u003cp style=\"margin:0 0 6px;font-weight:700;\"\u003e⚠ Important: compare the part number before buying\u003c\/p\u003e\n\u003cp style=\"margin:0 0 6px;\"\u003eNo verifiable vehicle or engine list is available – selection is made via Bosch number 1 126 601 031 or Mercedes number A 001 155 12 15. Please also compare the number of ribs and the bore diameter with your own alternator before buying.\u003c\/p\u003e\n\u003cp style=\"margin:0 0 4px;font-weight:700;\"\u003eDoes not fit:\u003c\/p\u003e\n\u003cul style=\"margin:0;padding-left:20px;\"\u003e\n\u003cli\u003eThe single-rib V-belt sister pulley A 001 155 34 15 or Bosch 6 033 GD5 100 (different belt profile)\u003c\/li\u003e\n\u003cli\u003eThe 5-rib Bosch poly-V pulley F00M991185 or F00M991005 (one rib fewer)\u003c\/li\u003e\n\u003cli\u003eOverrunning alternator pulleys (alternator freewheel) – this pulley is rigid, with no freewheel body in the hub cup\u003c\/li\u003e\n\u003cli\u003eCrankshaft, water pump or power steering pump pulleys\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp style=\"margin:0 0 16px;\"\u003e\u003cstrong\u003eDoes this part fit your car?\u003c\/strong\u003e Send us the VIN (chassis number) and model year – we'll check it for free: \u003ca href=\"tel:+491798991069\"\u003e0179 8991069\u003c\/a\u003e (Mon–Fri 8 am–6 pm) or via our \u003ca href=\"\/en\/pages\/contact?thema=Ersatzteil\"\u003econtact form\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3 style=\"margin:22px 0 8px;\"\u003eFAQ\u003c\/h3\u003e\n\u003cp style=\"margin:0 0 4px;\"\u003e\u003cstrong\u003eIs the pulley new or used?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"margin:0 0 12px;\"\u003eThis is NOS (New Old Stock) – an unused new part in the original Bosch spare parts box, with no belt wear marks or rust in the ribs.\u003c\/p\u003e\n\u003cp style=\"margin:0 0 4px;\"\u003e\u003cstrong\u003eWhich vehicles does this pulley fit?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"margin:0 0 12px;\"\u003eNo verifiable vehicle or engine list is available. Selection is made via Bosch number 1 126 601 031 or Mercedes-Benz number A 001 155 12 15 – please check against your own alternator before buying.\u003c\/p\u003e\n\u003cp style=\"margin:0 0 4px;\"\u003e\u003cstrong\u003eHow does this pulley differ from similar Bosch pulleys?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"margin:0 0 12px;\"\u003eThis version has a 6-rib poly-V profile and is a rigid pulley with no freewheel. It differs from the single-rib sister pulley A 001 155 34 15 \/ Bosch 6 033 GD5 100, from the 5-rib version F00M991185 \/ F00M991005, and from overrunning alternator pulleys.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKFZTeile-Thot\u003c\/strong\u003e specialises in spare parts for Mercedes classic cars. Free shipping within Germany, 60-day return policy.\u003c\/p\u003e","brand":"Bosch","offers":[{"title":"Default Title","offer_id":54960873603401,"sku":"90012","price":89.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0913\/5344\/8777\/files\/57_34b09226-a966-4436-8f29-7204496299d9.jpg?v=1787304133","url":"https:\/\/kfzteile-thot.de\/en\/products\/bosch-riemenscheibe-generator-lichtmaschine-1126601031-mercedes-a-0011551215-nos","provider":"KFZTeile-Thot","version":"1.0","type":"link"}