{"product_id":"vw-transporter-t5-shuttle-2-5tdi-engine-water-coolant-pipe-hose-7h0122157h","title":"VW TRANSPORTER T5 SHUTTLE 2.5TDI ENGINE WATER COOLANT PIPE HOSE 7H0122157H","description":"\u003cp\u003e#60\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eGenuine used Volkswagen Transporter T5 \/ Caravelle \/ Shuttle 2.5 TDI engine coolant water pipe \/ hose, part number 7H0122157H.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eThis factory coolant hose forms part of the engine cooling circuit and carries engine coolant between components of the cooling system. It is designed to withstand the temperature, pressure and vibration generated during normal engine operation.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003ePart Number: 7H0122157H\u003c\/p\u003e\u003cp\u003eVW OE Number: 7H0 122 157 H\u003c\/p\u003e\u003cp\u003ePart Type: Engine Coolant Hose \/ Water Pipe \/ Cooling System Hose\u003c\/p\u003e\u003cp\u003eSystem: Engine Cooling System\u003c\/p\u003e\u003cp\u003eEngine: 2.5 TDI – selected applications\u003c\/p\u003e\u003cp\u003eFuel Type: Diesel\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 Caravelle T5 – 2003–2009\u003c\/p\u003e\u003cp\u003e* Volkswagen Multivan T5 – selected versions\u003c\/p\u003e\u003cp\u003e* Volkswagen Shuttle T5\u003c\/p\u003e\u003cp\u003e* Volkswagen California T5 – selected versions\u003c\/p\u003e\u003cp\u003e* Transporter Panel Van\u003c\/p\u003e\u003cp\u003e* Kombi\u003c\/p\u003e\u003cp\u003e* Passenger \/ Bus versions\u003c\/p\u003e\u003cp\u003e* Selected chassis cab versions\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eConfirmed 2.5 TDI applications include:\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e* AXD – 2.5 TDI, 96 kW \/ 130 PS\u003c\/p\u003e\u003cp\u003e* BNZ – 2.5 TDI, 96 kW \/ 130 PS\u003c\/p\u003e\u003cp\u003e* AXE – 2.5 TDI, 128 kW \/ 174 PS\u003c\/p\u003e\u003cp\u003e* BPC – 2.5 TDI, 128 kW \/ 174 PS\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eSelected catalogue data also associates this hose family with other T5 engines, so 7H0122157H is not exclusive to the 2.5 TDI Shuttle.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eFor a used replacement, matching the OE number and physical hose configuration is strongly recommended.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eTechnical Information\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eThe 7H0122157H hose forms part of the Transporter’s liquid engine-cooling circuit.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eDuring operation, coolant circulates through the engine and associated cooling-system components to absorb excess heat.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eThe cooling system works together with components including:\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e* Engine coolant passages\u003c\/p\u003e\u003cp\u003e* Radiator\u003c\/p\u003e\u003cp\u003e* Thermostat\u003c\/p\u003e\u003cp\u003e* Water pump\u003c\/p\u003e\u003cp\u003e* Expansion tank\u003c\/p\u003e\u003cp\u003e* Heater matrix\u003c\/p\u003e\u003cp\u003e* Coolant hoses and pipes\u003c\/p\u003e\u003cp\u003e* Temperature sensors\u003c\/p\u003e\u003cp\u003e* Auxiliary cooling components where fitted\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eThe coolant hose provides a sealed route between the relevant components and must remain capable of holding cooling-system pressure.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e2.5 TDI Cooling System Information\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eThe Transporter T5 2.5 TDI engine generates considerable heat under load, particularly during motorway driving, towing or when carrying heavy loads.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eCorrect coolant circulation is essential for controlling:\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e* Cylinder-head temperature\u003c\/p\u003e\u003cp\u003e* Engine operating temperature\u003c\/p\u003e\u003cp\u003e* Turbocharger-related thermal load\u003c\/p\u003e\u003cp\u003e* Cabin heater operation\u003c\/p\u003e\u003cp\u003e* Overall cooling-system pressure\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eA damaged coolant hose can allow coolant to escape rapidly and potentially cause engine overheating.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eCommon Reasons for Replacement\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eTypical reasons for replacing this hose include:\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e* Coolant leakage\u003c\/p\u003e\u003cp\u003e* Split rubber hose\u003c\/p\u003e\u003cp\u003e* Cracked connection\u003c\/p\u003e\u003cp\u003e* Hose becoming brittle with age\u003c\/p\u003e\u003cp\u003e* Swollen or softened rubber\u003c\/p\u003e\u003cp\u003e* Damaged quick-release connection\u003c\/p\u003e\u003cp\u003e* Broken retaining clip\u003c\/p\u003e\u003cp\u003e* Damaged sealing O-ring\u003c\/p\u003e\u003cp\u003e* Previous engine repair damage\u003c\/p\u003e\u003cp\u003e* Hose contaminated by oil\u003c\/p\u003e\u003cp\u003e* Chafing against surrounding components\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eOlder coolant hoses should be inspected particularly carefully around bends and connection points.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eCommon Symptoms of a Coolant Hose Problem\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eA leaking or damaged hose may cause:\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e* Coolant level dropping\u003c\/p\u003e\u003cp\u003e* Coolant warning light\u003c\/p\u003e\u003cp\u003e* Visible coolant underneath the vehicle\u003c\/p\u003e\u003cp\u003e* Pink\/red coolant residue around connections\u003c\/p\u003e\u003cp\u003e* Sweet coolant smell\u003c\/p\u003e\u003cp\u003e* Steam from the engine compartment\u003c\/p\u003e\u003cp\u003e* Poor cabin heating\u003c\/p\u003e\u003cp\u003e* Engine temperature increasing\u003c\/p\u003e\u003cp\u003e* Cooling system losing pressure\u003c\/p\u003e\u003cp\u003e* Engine overheating\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eA small leak may only become visible when the engine reaches operating temperature and the cooling system becomes pressurised.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eImportant Diagnostic Information\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eBefore replacing the hose, inspect the complete cooling system.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eCheck:\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e* Hose connections\u003c\/p\u003e\u003cp\u003e* O-rings and seals\u003c\/p\u003e\u003cp\u003e* Retaining clips\u003c\/p\u003e\u003cp\u003e* Adjacent coolant hoses\u003c\/p\u003e\u003cp\u003e* Plastic coolant flanges\u003c\/p\u003e\u003cp\u003e* Expansion tank\u003c\/p\u003e\u003cp\u003e* Expansion tank cap\u003c\/p\u003e\u003cp\u003e* Radiator\u003c\/p\u003e\u003cp\u003e* Thermostat housing\u003c\/p\u003e\u003cp\u003e* Water pump\u003c\/p\u003e\u003cp\u003e* Heater matrix connections\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eCoolant residue around a hose connection does not necessarily mean the hose itself has failed.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eA damaged O-ring, retaining clip or mating connection can produce a similar leak.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eCooling System Pressure Testing\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eFor difficult-to-locate coolant leaks, a suitable cooling-system pressure test can help identify the source.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003ePressure testing can reveal:\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e* Small hose splits\u003c\/p\u003e\u003cp\u003e* Leaking seals\u003c\/p\u003e\u003cp\u003e* Damaged connections\u003c\/p\u003e\u003cp\u003e* Cracked plastic fittings\u003c\/p\u003e\u003cp\u003e* Radiator leaks\u003c\/p\u003e\u003cp\u003e* Other cooling-system pressure losses\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eThe system should only be tested according to the appropriate workshop procedure.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eHose Inspection\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eBefore installation, inspect the replacement hose carefully for:\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e* Cracks\u003c\/p\u003e\u003cp\u003e* Splits\u003c\/p\u003e\u003cp\u003e* Hardening\u003c\/p\u003e\u003cp\u003e* Swelling\u003c\/p\u003e\u003cp\u003e* Soft spots\u003c\/p\u003e\u003cp\u003e* Damaged ends\u003c\/p\u003e\u003cp\u003e* Chafing\u003c\/p\u003e\u003cp\u003e* Deformed connections\u003c\/p\u003e\u003cp\u003e* Damaged retaining points\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eParticular attention should be paid to areas close to clamps, connectors and bends.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eInstallation\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eBefore installation:\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e* Allow the engine to cool completely\u003c\/p\u003e\u003cp\u003e* Release cooling-system pressure safely\u003c\/p\u003e\u003cp\u003e* Drain coolant as required\u003c\/p\u003e\u003cp\u003e* Compare the replacement hose with the original\u003c\/p\u003e\u003cp\u003e* Inspect all mating connections\u003c\/p\u003e\u003cp\u003e* Replace damaged seals\/O-rings where applicable\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eDuring installation:\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e* Route the hose in its original position\u003c\/p\u003e\u003cp\u003e* Avoid twisting or kinking\u003c\/p\u003e\u003cp\u003e* Ensure connectors are fully seated\u003c\/p\u003e\u003cp\u003e* Secure retaining clips correctly\u003c\/p\u003e\u003cp\u003e* Keep the hose away from sharp, hot or moving components\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eAfter installation:\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e* Refill with the correct coolant specification\u003c\/p\u003e\u003cp\u003e* Bleed the cooling system correctly\u003c\/p\u003e\u003cp\u003e* Bring the engine to operating temperature\u003c\/p\u003e\u003cp\u003e* Check for leaks\u003c\/p\u003e\u003cp\u003e* Recheck coolant level after the system has cooled\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eImportant Overheating Information\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eIf this hose is being replaced following a significant coolant loss or overheating incident, the underlying cause should also be investigated.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eDo not assume replacing the leaking hose alone has resolved all possible problems.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eSevere overheating can potentially affect:\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e* Cylinder head\u003c\/p\u003e\u003cp\u003e* Head gasket\u003c\/p\u003e\u003cp\u003e* Cooling-system seals\u003c\/p\u003e\u003cp\u003e* Thermostat\u003c\/p\u003e\u003cp\u003e* Other aged coolant hoses\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eThe engine should be monitored carefully after repair.\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 engine-cooling 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 – 7H0122157H\u003c\/p\u003e\u003cp\u003e* Engine code\u003c\/p\u003e\u003cp\u003e* Hose shape\u003c\/p\u003e\u003cp\u003e* Hose length\u003c\/p\u003e\u003cp\u003e* Diameter\u003c\/p\u003e\u003cp\u003e* Number of branches\/connections\u003c\/p\u003e\u003cp\u003e* Connector design\u003c\/p\u003e\u003cp\u003e* Retaining clips\u003c\/p\u003e\u003cp\u003e* Mounting\/routing points\u003c\/p\u003e\u003cp\u003e* Vehicle production date\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eConfirmed T5 2.5 TDI applications include AXD, AXE, BNZ and BPC, but VW used numerous different coolant hoses throughout the T5 range.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eDo not purchase solely because your vehicle is a Transporter T5 2.5 TDI.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eMatching 7H0122157H directly with the original hose is the safest compatibility check.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eCondition\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eGenuine Volkswagen used engine cooling-system component.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eAs a used coolant hose\/pipe, normal signs of previous use may include:\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e* Coolant residue\u003c\/p\u003e\u003cp\u003e* Surface marks\u003c\/p\u003e\u003cp\u003e* Dirt\u003c\/p\u003e\u003cp\u003e* Staining\u003c\/p\u003e\u003cp\u003e* Light cosmetic wear\u003c\/p\u003e\u003cp\u003e* Marks around connectors and retaining clips\u003c\/p\u003e\u003cbr\u003e\u003cp\u003ePlease inspect all listing photographs carefully, particularly the hose body, bends, connection ends, retaining points and any plastic fittings.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eAny clips, seals or additional pipework are included only if clearly shown in the listing photographs.\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 split, leaking or damaged Volkswagen Transporter T5 \/ Shuttle \/ Caravelle 2.5 TDI engine coolant water hose, provided 7H0122157H 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 7H0122157H\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePlacement on Vehicle:\u003c\/strong\u003e Front\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Volkswagen","offers":[{"title":"Default Title","offer_id":54903076651335,"sku":"158263879006","price":20.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/1528\/3527\/files\/10_1f1d9611-6a97-45e9-bb62-6e19d8911077.jpg?v=1788699710","url":"https:\/\/spares4repairs.store\/products\/vw-transporter-t5-shuttle-2-5tdi-engine-water-coolant-pipe-hose-7h0122157h","provider":"Spares 4 Repairs","version":"1.0","type":"link"}