{"product_id":"vw-transporter-t5-1-air-filter-box-intake-pipe-7h0129578b-1","title":"VW Transporter T5.1 Air Filter Box Intake Pipe 7H0129578B","description":"\u003cp\u003e#123\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eGenuine used Volkswagen Transporter T5 \/ T5.1 air filter box intake pipe \/ fresh air intake hose, part number 7H0129578B. This pipe forms part of the engine air-intake system and directs outside air towards the air filter housing before the air is filtered and supplied to the engine.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003ePart Number: 7H0129578B\u003c\/p\u003e\u003cp\u003eVW OE Number: 7H0 129 578 B\u003c\/p\u003e\u003cp\u003ePart Type: Air Filter Intake Pipe \/ Intake Hose \/ Fresh Air Duct\u003c\/p\u003e\u003cp\u003ePosition: Engine Bay – Air Filter System\u003c\/p\u003e\u003cp\u003eMaterial: Moulded Plastic\u003c\/p\u003e\u003cp\u003eManufacturer: Volkswagen \/ VAG\u003c\/p\u003e\u003cp\u003eCondition: Genuine used part\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eCompatibility\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eSuitable for selected:\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e* Volkswagen Transporter T5 – 2003–2009\u003c\/p\u003e\u003cp\u003e* Volkswagen Transporter T5.1 – 2010–2015\u003c\/p\u003e\u003cp\u003e* Volkswagen Caravelle T5 \/ T5.1\u003c\/p\u003e\u003cp\u003e* Volkswagen Multivan T5 \/ T5.1\u003c\/p\u003e\u003cp\u003e* Volkswagen California T5 \/ T5.1\u003c\/p\u003e\u003cp\u003e* Panel van, Kombi and passenger variants using the matching intake system\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eKnown applications of 7H0129578B include selected:\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e1.9 TDI\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e* AXC – 85 PS\u003c\/p\u003e\u003cp\u003e* AXB – 105 PS\u003c\/p\u003e\u003cp\u003e* BRR – 84 PS\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e2.0 TDI\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e* CAAA – 84 PS\u003c\/p\u003e\u003cp\u003e* CAAB – 102 PS\u003c\/p\u003e\u003cp\u003e* CAAD – 114 PS\u003c\/p\u003e\u003cp\u003e* CAAE – 136 PS\u003c\/p\u003e\u003cp\u003e* CAAC – 140 PS\u003c\/p\u003e\u003cp\u003e* CCHB \/ CCHA – selected applications\u003c\/p\u003e\u003cp\u003e* CFCA – 180 PS BiTDI\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e2.5 TDI\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e* AXD – 130 PS\u003c\/p\u003e\u003cp\u003e* BNZ – 131 PS\u003c\/p\u003e\u003cp\u003e* BLJ – 163 PS\u003c\/p\u003e\u003cp\u003e* AXE – 174 PS\u003c\/p\u003e\u003cp\u003e* BPC – 174 PS\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eSelected petrol applications can also use this OE intake duct.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eBecause VW used different air-filter arrangements according to engine and production specification, the OE number should still be matched before purchase.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eTechnical Information\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eThis pipe is located on the clean-air intake supply side associated with the air-filter housing and forms part of the engine’s air-induction system.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eIts function is to:\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e* Direct fresh outside air towards the air-filter housing\u003c\/p\u003e\u003cp\u003e* Maintain the intended intake-air path\u003c\/p\u003e\u003cp\u003e* Protect the intake system from drawing excessive hot engine-bay air\u003c\/p\u003e\u003cp\u003e* Provide a correctly sized unrestricted airflow path\u003c\/p\u003e\u003cp\u003e* Connect the factory intake ducting with the air-cleaner assembly\u003c\/p\u003e\u003cp\u003e* Maintain the original engine-bay intake configuration\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eAfter entering through this duct, air passes through the engine air filter before continuing through the relevant intake components towards the engine.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eAir Intake System Information\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eThe air-intake system works as a complete assembly.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eDepending on engine specification, related components can include:\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e* Fresh-air intake duct\u003c\/p\u003e\u003cp\u003e* Air-filter housing\u003c\/p\u003e\u003cp\u003e* Air-filter element\u003c\/p\u003e\u003cp\u003e* Mass Air Flow (MAF) sensor\u003c\/p\u003e\u003cp\u003e* Intake hoses\u003c\/p\u003e\u003cp\u003e* Turbocharger inlet pipe on TDI models\u003c\/p\u003e\u003cp\u003e* Turbocharger\u003c\/p\u003e\u003cp\u003e* Intercooler and boost pipework\u003c\/p\u003e\u003cp\u003e* Intake manifold\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e7H0129578B is an intake-side air duct and should not be confused with a turbo\/intercooler boost-pressure hose.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eCommon Reasons for Replacement\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eTypical reasons for replacing this pipe include:\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e* Cracked plastic\u003c\/p\u003e\u003cp\u003e* Split intake duct\u003c\/p\u003e\u003cp\u003e* Broken mounting points\u003c\/p\u003e\u003cp\u003e* Damaged connection ends\u003c\/p\u003e\u003cp\u003e* Missing original pipe\u003c\/p\u003e\u003cp\u003e* Previous accident damage\u003c\/p\u003e\u003cp\u003e* Damage during air-filter removal\u003c\/p\u003e\u003cp\u003e* Pipe becoming brittle with age\u003c\/p\u003e\u003cp\u003e* Incorrect aftermarket intake modification\u003c\/p\u003e\u003cp\u003e* Loose or poorly fitting intake connection\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eSymptoms of a Damaged Intake Pipe\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eDepending on where the damage is located, possible symptoms can include:\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e* Increased intake noise\u003c\/p\u003e\u003cp\u003e* Rattling from the engine bay\u003c\/p\u003e\u003cp\u003e* Loose intake ducting\u003c\/p\u003e\u003cp\u003e* Engine drawing warmer engine-bay air\u003c\/p\u003e\u003cp\u003e* Reduced protection of the intended intake path\u003c\/p\u003e\u003cp\u003e* Visible cracks or broken mounting points\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eBecause this duct is associated with the air-filter intake system, symptoms can be considerably less dramatic than those caused by a split pressurised turbo\/intercooler hose.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eImportant Diagnostic Information\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eIf the vehicle has poor performance or an airflow-related fault code, do not automatically assume this intake pipe is responsible.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eAlso inspect:\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e* Air filter\u003c\/p\u003e\u003cp\u003e* Air-filter housing\u003c\/p\u003e\u003cp\u003e* MAF sensor\u003c\/p\u003e\u003cp\u003e* Turbo inlet hose\u003c\/p\u003e\u003cp\u003e* Vacuum system\u003c\/p\u003e\u003cp\u003e* Turbocharger\u003c\/p\u003e\u003cp\u003e* Intercooler\u003c\/p\u003e\u003cp\u003e* Boost hoses\u003c\/p\u003e\u003cp\u003e* MAP sensor\u003c\/p\u003e\u003cp\u003e* Intake manifold\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eA boost leak after the turbocharger can cause significant loss of power but is a different fault from damage to this fresh-air intake duct.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eInspection Before Installation\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eBefore fitting a used intake pipe, inspect:\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e* Pipe body for cracks\u003c\/p\u003e\u003cp\u003e* Connection ends\u003c\/p\u003e\u003cp\u003e* Mounting tabs\u003c\/p\u003e\u003cp\u003e* Retaining points\u003c\/p\u003e\u003cp\u003e* Plastic for excessive brittleness\u003c\/p\u003e\u003cp\u003e* Internal passage for foreign objects\u003c\/p\u003e\u003cp\u003e* Mating air-filter components\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eAny leaves, dirt or storage debris should be removed before installation.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eInstallation\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eInstallation is normally straightforward and does not require specialist programming.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eDuring fitting:\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e* Remove the damaged intake duct\u003c\/p\u003e\u003cp\u003e* Inspect the air-filter housing\u003c\/p\u003e\u003cp\u003e* Check all mating connections\u003c\/p\u003e\u003cp\u003e* Position the replacement pipe correctly\u003c\/p\u003e\u003cp\u003e* Engage mounting tabs\/retainers\u003c\/p\u003e\u003cp\u003e* Ensure connections are fully seated\u003c\/p\u003e\u003cp\u003e* Check that the pipe does not contact moving or excessively hot components\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eAfter installation, confirm that the intake duct is secure and cannot move excessively.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eProgramming \/ Coding\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eNo programming or coding is required.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eThis is a mechanical air-intake component.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eImportant Compatibility Note\u003c\/p\u003e\u003cbr\u003e\u003cp\u003ePlease compare before ordering:\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e* OE number – 7H0129578B\u003c\/p\u003e\u003cp\u003e* Pipe shape\u003c\/p\u003e\u003cp\u003e* Connection diameter\u003c\/p\u003e\u003cp\u003e* Mounting points\u003c\/p\u003e\u003cp\u003e* Air-filter housing design\u003c\/p\u003e\u003cp\u003e* Engine code\u003c\/p\u003e\u003cp\u003e* Vehicle production date\u003c\/p\u003e\u003cp\u003e* Existing intake-system configuration\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eThe same 7H0129578B reference is catalogued across a broad range of T5\/T5.1 engine applications, but it should not be assumed to fit every Transporter solely from the model or engine size.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eMatching the OE number against the original pipe is the safest method.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eCondition\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eGenuine Volkswagen used engine-bay component.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eAs a used plastic intake component, the item may show normal signs of previous use, including:\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e* Surface scratches\u003c\/p\u003e\u003cp\u003e* Dust or dirt\u003c\/p\u003e\u003cp\u003e* Light cosmetic marks\u003c\/p\u003e\u003cp\u003e* General age-related wear\u003c\/p\u003e\u003cbr\u003e\u003cp\u003ePlease inspect all listing photographs carefully for the exact condition of the pipe body, mounting tabs and connection points.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eAny identifying colour\/security markings applied to the part must remain intact in the event of a return.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eIdeal genuine replacement for a cracked, broken, damaged or missing Volkswagen Transporter T5 \/ T5.1 air-filter intake pipe, provided 7H0129578B matches the original component.\u003c\/p\u003e\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e Volkswagen\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e 7H0129578B\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Germany\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Volkswagen","offers":[{"title":"Default Title","offer_id":54896490905927,"sku":"158260649688","price":23.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/1528\/3527\/files\/10_5a83c9b4-fbd4-4d2f-a343-bcaa04f7a9e6.jpg?v=1788618670","url":"https:\/\/spares4repairs.store\/products\/vw-transporter-t5-1-air-filter-box-intake-pipe-7h0129578b-1","provider":"Spares 4 Repairs","version":"1.0","type":"link"}