{"product_id":"mercedes-druckspeicher-a0004760421-bosch-0438170017-k-jetronic-w116-w126-r107-sl","title":"Mercedes Fuel Accumulator A0004760421 Bosch 0438170017 K-Jetronic W116 W126 R107 SL","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;\"\u003eUsed fuel accumulator for the K-Jetronic fuel system of numerous Mercedes model series (including W116, R107\/C107, W123, W126) – Mercedes-Benz no. A0004760421, Bosch no. 0438170017.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"margin:0;color:#cfd3dc;\"\u003eUsed part – tested for leaks and function  ·  Thread clean  ·  \u003cstrong style=\"color:#c69a3a;\"\u003eIncludes copper sealing rings on both connections\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\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;\"\u003eUsed genuine part, cleaned and tested for leaks and function. The aluminum housing shows slight oxidation or a light patina, but no dents or damage. Copper sealing rings are present on both connections, and the thread is clean.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch3 style=\"margin:22px 0 8px;\"\u003eFunction and location\u003c\/h3\u003e\n\u003cp\u003eAfter the engine is switched off, the fuel accumulator maintains fuel pressure in the K-Jetronic system for hours (residual pressure). This keeps the line free of vapor bubbles, so a warm engine starts without prolonged cranking. The spring-loaded diaphragm also dampens the pressure pulsations from the fuel pump.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInstallation location:\u003c\/strong\u003e Underbody, at the fuel delivery unit near the tank, directly behind the fuel pump and ahead of the fuel filter; banjo bolt connection with a copper sealing ring, bent connecting pipe to the filter.\u003c\/p\u003e\n\n\u003ch3 style=\"margin:22px 0 8px;\"\u003eHow can you tell a fuel accumulator is defective?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWarm-start problems: the engine cranks for a long time before starting when warm\u003c\/li\u003e\n\u003cli\u003eFuel pressure drops too quickly after switching off the engine\u003c\/li\u003e\n\u003cli\u003eVapor bubble formation in the fuel line under heat\u003c\/li\u003e\n\u003cli\u003eJerking or rough running due to undamped pressure pulsations from the fuel pump\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"margin:22px 0 8px;\"\u003eCompatible vehicles\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eS-Class W116 (1973–1980):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e280 SE, SEL (from chassis no. 113562)\u003c\/li\u003e\n\u003cli\u003e350 SE, SEL\u003c\/li\u003e\n\u003cli\u003e450 SE (from chassis no. 089514), 450 SE SEL\u003c\/li\u003e\n\u003cli\u003e450 SEL 6.9\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSL\/SLC R107\/C107 (1972–1985):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e280 SL, 280 SLC\u003c\/li\u003e\n\u003cli\u003e350 SL (from chassis no. 053366)\u003c\/li\u003e\n\u003cli\u003e380 SL, 380 SLC\u003c\/li\u003e\n\u003cli\u003e450 SL, 450 SLC\u003c\/li\u003e\n\u003cli\u003e500 SL\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eE-Class W123\/C123\/S123 (1976–1985):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e230 E, 230 CE, 230 TE\u003c\/li\u003e\n\u003cli\u003e280 E, 280 CE, 280 TE (K-Jetronic)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eS-Class W126\/C126 (1979–approx. 1986):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e280 SE, SEL\u003c\/li\u003e\n\u003cli\u003e380 SE, SEL, SEC\u003c\/li\u003e\n\u003cli\u003e500 SE, SEL, SEC\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eRolls-Royce \/ Bentley (1984–1991):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSilver Spirit, Silver Spur\u003c\/li\u003e\n\u003cli\u003eCorniche II\u003c\/li\u003e\n\u003cli\u003eMulsanne S\u003c\/li\u003e\n\u003cli\u003eEight, Turbo R\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003ePart numbers:\u003c\/strong\u003e Mercedes-Benz A0004760421, Bosch 0438170017. The accumulator belongs to a number family with similar suffix numbers for other fuel systems and models – see the note below for how to tell them apart.\u003c\/p\u003e\n\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;\"\u003eThe exact suffix number is decisive. This part does NOT fit KE-Jetronic (there A 000 476 06 21 – among others on the 300 SL R107, W124, 260\/300 SE W126, W201), does NOT replace A 000 476 09 21 (M12x1.5 connection), does NOT fit 560 models (A 000 476 10 21), and does NOT replace the early accumulator A 000 476 01 21 \/ Bosch 0 438 170 004 (early 450 models up to the chassis number stated). Be careful with universal aftermarket parts: genuine variants differ in system and residual pressure.\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\u003eKE-Jetronic vehicles and systems\u003c\/li\u003e\n\u003cli\u003e560 models (separate suffix number A 000 476 10 21)\u003c\/li\u003e\n\u003cli\u003eVehicles with M12x1.5 threaded connection\u003c\/li\u003e\n\u003cli\u003eUniversal aftermarket parts with different pressure ranges\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003cp\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\n\u003ch3 style=\"margin:22px 0 8px;\"\u003eFAQ\u003c\/h3\u003e\n\u003cp style=\"margin:0 0 4px;\"\u003e\u003cstrong\u003eWhat's included in the scope of delivery?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"margin:0 0 12px;\"\u003eIncluded is the fuel accumulator with copper sealing rings fitted on both connections. The exact scope of delivery can also be seen in the product photos.\u003c\/p\u003e\n\u003cp style=\"margin:0 0 4px;\"\u003e\u003cstrong\u003eWhy is the exact suffix number so important for this fuel accumulator?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"margin:0 0 12px;\"\u003eExternally similar fuel accumulators are also fitted for KE-Jetronic, for 560 models, or with a different M12x1.5 threaded connection – these variants differ in system and residual pressure. Please compare the part number before ordering.\u003c\/p\u003e\n\u003cp style=\"margin:0 0 4px;\"\u003e\u003cstrong\u003eCan I replace the fuel accumulator myself?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"margin:0 0 12px;\"\u003eThe replacement is done on the pressurized fuel system and requires basic knowledge. If in doubt, we recommend having it installed by a professional.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eRelated categories:\u003c\/strong\u003e \u003ca href=\"\/en\/collections\/w116\"\u003eW116\u003c\/a\u003e · \u003ca href=\"\/en\/collections\/w126\"\u003eW126\u003c\/a\u003e · \u003ca href=\"\/en\/collections\/w107-r107\"\u003eW107 \/ R107\u003c\/a\u003e · \u003ca href=\"\/en\/collections\/kraftstoffsystem\"\u003eFuel system \u0026amp; injection\u003c\/a\u003e · \u003ca href=\"\/en\/collections\/druckspeicher\"\u003eFuel accumulators\u003c\/a\u003e\u003c\/p\u003e\n\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":54984556544329,"sku":"60769","price":185.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0913\/5344\/8777\/files\/57_3dc004c6-84b5-4cab-9a70-a75f85cb2b8a.jpg?v=1787304486","url":"https:\/\/kfzteile-thot.de\/en\/products\/mercedes-druckspeicher-a0004760421-bosch-0438170017-k-jetronic-w116-w126-r107-sl","provider":"KFZTeile-Thot","version":"1.0","type":"link"}