{"title":"EGR Membranes","description":"\u003ch1 dir=\"ltr\"\u003e\u003cspan\u003eEGR Membranes (Diaphragms) — Repair Kits \u0026amp; Replacement Parts\u003c\/span\u003e\u003c\/h1\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eAn \u003c\/span\u003e\u003cspan\u003eEGR diaphragm\u003c\/span\u003e\u003cspan\u003e is the thin, flexible membrane inside vacuum- or pressure‑actuated EGR components that seals and moves internal parts to meter exhaust recirculation. When the diaphragm tears or hardens, it causes vacuum leaks, stuck actuators, and misregulated EGR flow. Often, a targeted diaphragm replacement is far cheaper than replacing the entire valve:\u003c\/span\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eFitment-first: match by OE\/part number, engine code, or valve model.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eFixes vacuum leaks, rough idle, and EGR control errors.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eIntended for workshops and advanced DIYers who can confirm OE numbers.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eNot sure which diaphragm you need? Contact support with VIN + OE number.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 dir=\"ltr\"\u003e\u003cspan\u003eWhat is an EGR diaphragm (membrane) and what does it do?\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cspan\u003eEGR diaphragm\u003c\/span\u003e\u003cspan\u003e is the flexible element that translates vacuum or pressure into valve motion and sealing inside the EGR actuator or valve. A functional diaphragm keeps actuator response crisp, prevents unmetered flow, and helps maintain emissions and drivability.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 dir=\"ltr\"\u003e\u003cspan\u003eEGR Diaphragm Symptoms\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cspan\u003eEGR diaphragm \u003c\/span\u003e\u003cspan\u003eis a relatively unnoticeable component compared to everything else under the hood. However, when something goes wrong, the first symptoms are “louder” than a Dodge or Ford Mustang engine:\u003c\/span\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eRough idle or stalling → vacuum leak or actuator not sealing.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eLoss of power or hesitation → incorrect EGR flow, upsetting mixture and timing.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eHissing or whistling under the hood → torn diaphragm or poor housing seal.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003ePersistent EGR‑related fault codes → actuator not moving or vacuum not holding.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eBut what will you ultimately need? An \u003c\/span\u003e\u003cspan\u003eEGR valve diaphragm\u003c\/span\u003e\u003cspan\u003e or a complete kit? To avoid wasting money on unnecessary components (which still look good and don't need replacing), perform some tests.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eFirst, check the vacuum lines\/hoses and connectors, as this is usually where problems begin and where the necessary repairs become clear. Next, check for carbon buildup, perform a valve movement test, and conduct a smoke test. After that, you can order the components, because you know what you really need.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 dir=\"ltr\"\u003e\u003cspan\u003eWhat causes EGR membrane failure?\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cspan\u003ediaphragm membrane \u003c\/span\u003e\u003cspan\u003efails when it’s chemically damaged or physically overworked; address both the symptom and the feed that caused it. Typical causes:\u003c\/span\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eHeat cycling → elastomer embrittlement.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eSoot\/carbon → mechanical binding and abrasion.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eOil contamination → solvent attack and swelling.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003ePressure\/backpressure events → tears or over‑stretch.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eBad vacuum control or hoses → rapid cycling\/no hold.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eInspect and clean EGR passages, bench‑test the actuator with a hand pump, swap any soft\/brittle vacuum hoses, and test the vacuum solenoid. Don’t fit a new \u003c\/span\u003e\u003cspan\u003ediaphragm in the car \u003c\/span\u003e\u003cspan\u003euntil you’ve fixed the contaminated vacuum feed or blocked passage. Otherwise, it’s a short‑term fix.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 dir=\"ltr\"\u003e\u003cspan\u003eEGR membrane vs EGR pipe\/tube\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eEGR diaphragm \u003c\/span\u003e\u003cspan\u003etrouble and pipe\/tube faults can produce similar symptoms, but they are different repairs. The diaphragm is inside the valve\/actuator; the pipe or tube is the external exhaust conduit. If you hear a hiss at the actuator, see shredded rubber, or can’t hold a vacuum at the actuator, you need a diaphragm. If soot and exhaust odour appear at a flange or along a pipe, inspect the tubing and joints. \u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 dir=\"ltr\"\u003e\u003cspan\u003eWhat’s included in an EGR valve repair kit\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eKits vary by valve design; don’t assume every \u003c\/span\u003e\u003cspan\u003eEGR repair kit\u003c\/span\u003e\u003cspan\u003e contains the same parts. Contents may include the diaphragm, O‑rings or gaskets, retaining plates or caps, and, occasionally, small springs or washers. Some kits are diaphragm‑only; others are full-service kits with multiple seals. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eNote! Always check the product page and parts diagram before you buy.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 dir=\"ltr\"\u003e\u003cspan\u003eHow to choose the correct EGR diaphragm\/repair kit\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eBefore you click buy, confirm the part revision and the exact component you’re fixing. \u003c\/span\u003e\u003cspan\u003eEGR diaphragm valves \u003c\/span\u003e\u003cspan\u003eand actuators have many similar‑looking variants; small differences in port diameter, retaining plate shape, or gasket thickness make a kit unusable if it’s the wrong revision.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 dir=\"ltr\"\u003e\u003cspan\u003eMatch by OE \/ part number\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe fastest, most reliable method is the OE\/part number stamped on the valve or listed in OEM service docs. Cross‑reference that number against the kit description. If the old part uses a superseded number, check the manufacturer’s crosslist or send a photo to fitment support.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 dir=\"ltr\"\u003e\u003cspan\u003eMatch by vehicle + engine code + production year\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eWhen an OE number isn’t available, use VIN, engine code, and build date. Several manufacturers introduced mid‑year updates that change the \u003c\/span\u003e\u003cspan\u003eEGR valve diaphragm \u003c\/span\u003e\u003cspan\u003eor retaining method, so VIN lookup avoids surprises. \u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 dir=\"ltr\"\u003e\u003cspan\u003eConfirm Component Type\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eBefore you order, take a few minutes to gather these items: \u003c\/span\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eVIN and engine code.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eOE\/part number from the old valve (or a clear photo of the valve body).\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003ePhotos showing the diaphragm area, connector type, and vacuum ports.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eSymptom notes and any scan tool output (pump duty, EGR commanded vs actual).\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eDo not assume the actuator contains an \u003c\/span\u003e\u003cspan\u003eEGR diaphragm \u003c\/span\u003e\u003cspan\u003ejust because it looks similar. Compare the actuator design to product images: electric units have wiring and gear housings, vacuum units have nipples and rubber elements.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 dir=\"ltr\"\u003e\u003cspan\u003ePrevent Repeat Failures\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eFixing the diaphragm is only part of the job. Clean and correct the system to prevent future buildup. Remove carbon from EGR passages and ports, replace contaminated or soft vacuum lines, and test solenoids for proper operation. Check crankcase ventilation: oil‑laden vapour is a main enemy of diaphragms. Regular intake\/EGR cleaning and proper oil service intervals dramatically reduce premature \u003c\/span\u003e\u003cspan\u003eEGR membrane\u003c\/span\u003e\u003cspan\u003e failure.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 dir=\"ltr\"\u003e\u003cspan\u003eBuying EGR membranes online\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003eSearch by OE number or engine code and confirm kit contents before checkout. If in doubt, contact support with VIN + OE number and a photo. Add a concise symptom summary and any scan tool evidence, such as commanded EGR versus reported position or duty cycle readings. A targeted EGR diaphragm repair is cheaper than full valve replacement when the housing and actuator are serviceable.\u003c\/p\u003e","products":[{"product_id":"valve-diaphragm-egr-volkswagen-03g131512","title":"EGR Valve Diaphragm – VW Audi TDI | OEM 03G131512AD 070131512F 03G131512AE","description":"\u003ch1\u003eEGR Valve Bypass Diaphragm — VW \/ Audi TDI | OEM 03G131512AD \/ 070131512F \/ 03G131512AE\u003c\/h1\u003e\n\n\u003ch3\u003e\u003cstrong\u003eRestore EGR Valve Function on Your VW or Audi TDI — Replace the Diaphragm.\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cp\u003eThe EGR valve bypass diaphragm on VAG TDI engines controls exhaust gas flow through the EGR radiator bypass. When it fails, the EGR valve loses pressure control — causing EGR-related fault codes, rough idle, and incorrect exhaust gas temperatures. This direct replacement diaphragm restores proper EGR valve operation.\u003c\/p\u003e\n\n\u003ch2\u003eVehicle Compatibility\u003c\/h2\u003e\n\u003cp\u003eVW and Audi TDI diesel models using EGR valves 03G131512AD, 070131512F, 03G131512AE, and 07013151 variants\u003c\/p\u003e\n\n\u003ch2\u003eOEM References\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003cstrong\u003e03G131512AD\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003e070131512F\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003e03G131512AE\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Klifex","offers":[{"title":"Default Title","offer_id":51698739052858,"sku":"KL03G131512","price":21.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0944\/7207\/7626\/files\/2750592304-membrana-klapana-egr.jpg?v=1754553635"},{"product_id":"egr-valve-diaphragm-mercedes-w211-s211-a6460100091","title":"EGR Valve Diaphragm 70mm – Mercedes W211 S211 \/ MAN | OEM A6460100091","description":"\u003ch1\u003eEGR Valve Diaphragm 70mm — Mercedes-Benz W211 \/ S211 \/ MAN | OEM A6460100091\u003c\/h1\u003e\n\u003ch3\u003e\u003cstrong\u003eRestore EGR Valve Function — Direct Replacement 70mm Diaphragm.\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eA failed 70mm EGR valve diaphragm on the Mercedes W211\/S211 OM646 diesel and MAN engines causes loss of EGR valve pressure control — resulting in EGR fault codes and incorrect exhaust gas temperatures. Direct replacement diaphragm — restores proper EGR valve operation.\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e\n\u003cstrong\u003eDiameter:\u003c\/strong\u003e 70mm\u003c\/li\u003e\u003c\/ul\u003e\n\u003ch2\u003eVehicle Compatibility\u003c\/h2\u003e\u003cp\u003eMercedes-Benz E-Class W211\/S211 (OM646 diesel); MAN trucks and buses using EGR valve OEM A6460100091\u003c\/p\u003e\n\u003ch2\u003eOEM Reference\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e\n\u003cstrong\u003eA6460100091\u003c\/strong\u003e (6460100091)\u003c\/li\u003e\u003c\/ul\u003e","brand":"Klifex","offers":[{"title":"Default Title","offer_id":51698739675450,"sku":"KL6460100091","price":14.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0944\/7207\/7626\/files\/2724424676-membrana-klapana-egr.jpg?v=1754553662"},{"product_id":"egr-1-5dci-valve-nozzle-diaphragm-renault-kangoo-2-megane-3-8200323338","title":"EGR Valve Hose Diaphragm – Renault 1.5 DCi Kangoo 2 \/ Megane 3 | OEM 8200323338","description":"\u003ch1\u003eEGR Valve Hose Diaphragm — Renault 1.5 DCi \/ Kangoo 2 \/ Megane 3 | OEM 8200323338\u003c\/h1\u003e\n\u003ch3\u003e\u003cstrong\u003eRestore EGR Valve Function on Your Renault 1.5 DCi — Replace the Hose Diaphragm.\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eA failed EGR valve hose diaphragm on the Renault 1.5 DCi causes EGR valve malfunction — resulting in fault codes, rough idle, and incorrect exhaust gas recirculation. Direct replacement diaphragm restores correct EGR hose pressure and valve operation.\u003c\/p\u003e\n\u003ch2\u003eVehicle Compatibility\u003c\/h2\u003e\u003cp\u003eRenault Kangoo 2 (1.5 DCi), Renault Megane 3 (1.5 DCi)\u003c\/p\u003e\n\u003ch2\u003eOEM References\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e8200323338\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e144604527R \/ 144607633R \/ 1446900QAC (cross-reference)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Klifex","offers":[{"title":"Default Title","offer_id":51698756124986,"sku":"KL8200323338","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0944\/7207\/7626\/files\/2750632984-membrana-patrubka-klapana.jpg?v=1754554292"},{"product_id":"diaphragm-vacuum-valve-actuator-egr-mercedes-om651-2-2cdi-6511400502","title":"EGR Valve Vacuum Actuator Membrane 45mm – Mercedes OM651 2.2 CDI | OEM 6511400502 6511400302","description":"\u003ch1\u003eEGR Valve Vacuum Actuator Membrane 45mm — Mercedes-Benz OM651 2.2 CDI | OEM 6511400502 \/ 6511400302\u003c\/h1\u003e\n\u003ch3\u003e\u003cstrong\u003eReplace the EGR Valve Actuator Membrane on Your Mercedes OM651 2.2 CDI — 45mm Direct Replacement.\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe vacuum actuator membrane inside the Mercedes OM651 2.2 CDI EGR bypass valve (6511400502) tears with age — causing the EGR bypass to stop operating correctly, EGR fault codes, and incorrect exhaust gas temperatures. This 45mm direct replacement membrane restores correct actuator function.\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e\n\u003cstrong\u003eMembrane diameter:\u003c\/strong\u003e 45mm\u003c\/li\u003e\u003c\/ul\u003e\n\u003ch2\u003eCompatible Actuators\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e6511400502\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e6511400302 (cross-reference)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eVehicle Compatibility\u003c\/h2\u003e\u003cp\u003eAll Mercedes-Benz with OM651 2.2 CDI engine\u003c\/p\u003e","brand":"Klifex","offers":[{"title":"Default Title","offer_id":51698985369914,"sku":"KL6511400502","price":16.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0944\/7207\/7626\/files\/membrana-vakuumnogo-aktuatora-klapana-egr-mercedes-om651-2-2cdi-6511400502-4.jpg?v=1754558897"},{"product_id":"egr-valve-vacuum-actuator-membrane-bmw-n47n-n47s1-b37-n57n-n57z-n57x-b57-11718511638","title":"EGR Valve Vacuum Actuator Membrane – BMW N47N \/ N47S1 \/ B37 \/ N57N \/ N57Z \/ N57X \/ B57 | OEM 11718511638","description":"\u003ch2\u003e11718511638 EGR Vacuum Actuator Membrane for BMW N47N, N47S1, B37, N57N, N57Z, N57X, B57\u003c\/h2\u003e\u003cp\u003eThis EGR valve vacuum actuator membrane is designed for BMW diesel engine applications using OEM reference \u003cstrong\u003e11718511638\u003c\/strong\u003e. It replaces the failed diaphragm inside the EGR vacuum actuator and helps restore correct actuator movement.\u003c\/p\u003e\u003cp\u003eThis product is the membrane only. It is not a complete EGR valve, complete actuator assembly, or full emissions control unit.\u003c\/p\u003e\u003ch2\u003eOEM \/ Reference Numbers\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePrimary OEM number:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003e\u003cstrong\u003e11718511638\u003c\/strong\u003e\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003eSecondary actuator reference numbers:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e11718515899\u003c\/li\u003e\n\u003cli\u003e11718507306\u003c\/li\u003e\n\u003cli\u003e11718576804\u003c\/li\u003e\n\u003cli\u003e11658580072\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eProduct reference:\u003c\/p\u003e\u003cul\u003e\u003cli\u003eSKU: KL11718511638\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003ePart Type\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEGR valve vacuum actuator membrane\u003c\/li\u003e\n\u003cli\u003eEGR actuator diaphragm\u003c\/li\u003e\n\u003cli\u003evacuum actuator membrane\u003c\/li\u003e\n\u003cli\u003eEGR control diaphragm\u003c\/li\u003e\n\u003cli\u003ediesel EGR repair membrane\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat This Part Does\u003c\/h2\u003e\u003cp\u003eThe vacuum actuator membrane converts vacuum pressure into mechanical movement for EGR valve control. When the diaphragm tears or loses sealing ability, the actuator may no longer move the EGR mechanism correctly.\u003c\/p\u003e\u003cp\u003eReplacing the failed membrane helps restore vacuum actuator function and supports proper EGR system operation on compatible BMW diesel engines.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles\u003c\/h2\u003e\u003cp\u003eThis EGR vacuum actuator membrane is listed for BMW diesel applications using compatible N47N, N47S1, B37, N57N, N57Z, N57X and B57 engines.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBMW N47N diesel applications\u003c\/li\u003e\n\u003cli\u003eBMW N47S1 diesel applications\u003c\/li\u003e\n\u003cli\u003eBMW B37 diesel applications\u003c\/li\u003e\n\u003cli\u003eBMW N57N diesel applications\u003c\/li\u003e\n\u003cli\u003eBMW N57Z diesel applications\u003c\/li\u003e\n\u003cli\u003eBMW N57X diesel applications\u003c\/li\u003e\n\u003cli\u003eBMW B57 diesel applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eEngine \/ Engine Family \/ Technical Detail\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eBMW N47N\u003c\/li\u003e\n\u003cli\u003eBMW N47S1\u003c\/li\u003e\n\u003cli\u003eBMW B37\u003c\/li\u003e\n\u003cli\u003eBMW N57N\u003c\/li\u003e\n\u003cli\u003eBMW N57Z\u003c\/li\u003e\n\u003cli\u003eBMW N57X\u003c\/li\u003e\n\u003cli\u003eBMW B57\u003c\/li\u003e\n\u003cli\u003eMembrane diameter: 45 mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCommon Symptoms of Failure\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEGR actuator does not hold vacuum\u003c\/li\u003e\n\u003cli\u003eEGR control fault symptoms\u003c\/li\u003e\n\u003cli\u003epoor engine response\u003c\/li\u003e\n\u003cli\u003eunstable diesel engine operation\u003c\/li\u003e\n\u003cli\u003echeck engine light related to EGR control\u003c\/li\u003e\n\u003cli\u003eincorrect exhaust gas recirculation operation\u003c\/li\u003e\n\u003cli\u003evacuum leak symptoms at the actuator\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhy Choose This Replacement\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eTargets the exact repair intent for \u003cstrong\u003e11718511638\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eRepairs the failed membrane inside the existing EGR vacuum actuator\u003c\/li\u003e\n\u003cli\u003eUses a 45 mm diaphragm for the compatible actuator design\u003c\/li\u003e\n\u003cli\u003eCost-effective alternative to replacing the complete actuator or EGR valve when only the membrane has failed\u003c\/li\u003e\n\u003cli\u003eHelps restore EGR actuator vacuum control\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eImportant Before Ordering\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCheck that your original actuator reference matches \u003cstrong\u003e11718511638\u003c\/strong\u003e or one of the listed related numbers.\u003c\/li\u003e\n\u003cli\u003eConfirm that your vehicle uses a compatible BMW diesel engine listed for this membrane.\u003c\/li\u003e\n\u003cli\u003eCompare the 45 mm membrane design with the diaphragm installed in your original actuator.\u003c\/li\u003e\n\u003cli\u003eThis product is an EGR vacuum actuator membrane only, not a complete EGR valve or actuator assembly.\u003c\/li\u003e\n\u003cli\u003eVerify compatibility by OEM number, engine type and part design before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFAQ\u003c\/h2\u003e\u003cdiv itemscope itemtype=\"https:\/\/schema.org\/FAQPage\"\u003e\n\u003cdiv itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"\u003e\n\u003ch3 itemprop=\"name\"\u003eWhat does BMW 11718511638 fit?\u003c\/h3\u003e\n\u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\u003cp itemprop=\"text\"\u003eBMW 11718511638 is listed for EGR valve vacuum actuator membrane repair on compatible BMW N47N, N47S1, B37, N57N, N57Z, N57X and B57 diesel engine applications.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"\u003e\n\u003ch3 itemprop=\"name\"\u003eIs 11718515899 related to 11718511638?\u003c\/h3\u003e\n\u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\u003cp itemprop=\"text\"\u003e11718515899 is listed as a related actuator reference number for this EGR vacuum actuator membrane application. The main repair focus remains OEM 11718511638.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"\u003e\n\u003ch3 itemprop=\"name\"\u003eWhat does this EGR vacuum actuator membrane do?\u003c\/h3\u003e\n\u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\u003cp itemprop=\"text\"\u003eThe membrane allows the vacuum actuator to convert vacuum pressure into movement for EGR valve control.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"\u003e\n\u003ch3 itemprop=\"name\"\u003eWhat symptoms indicate EGR actuator membrane failure?\u003c\/h3\u003e\n\u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\u003cp itemprop=\"text\"\u003eCommon symptoms include failure to hold vacuum, EGR control faults, poor engine response, check engine light and incorrect exhaust gas recirculation operation.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"\u003e\n\u003ch3 itemprop=\"name\"\u003eIs this a complete EGR valve assembly?\u003c\/h3\u003e\n\u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\u003cp itemprop=\"text\"\u003eNo. This product is the EGR vacuum actuator membrane only. It is not a complete EGR valve or complete actuator assembly.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"\u003e\n\u003ch3 itemprop=\"name\"\u003eHow do I confirm compatibility before ordering?\u003c\/h3\u003e\n\u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\u003cp itemprop=\"text\"\u003eConfirm OEM reference 11718511638 or a listed related actuator number, check the engine type, and compare the 45 mm membrane with your original actuator diaphragm.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Klifex","offers":[{"title":"Default Title","offer_id":51698996412730,"sku":"KL11718511638","price":16.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0944\/7207\/7626\/files\/membrana-vakuumnogo-aktuatora-klapana-egr-bmw-n47n-n47s1-b37-n57n-n57z-n57x-b57-11718511638-2.jpg?v=1754559169"}],"url":"https:\/\/klifex.net\/collections\/egr-membranes.oembed","provider":"Klifex – Automotive Repair Kits","version":"1.0","type":"link"}