{"product_id":"0445020538-bosch-cp4-high-pressure-fuel-pump-for-yanmar-and-thermo-king","title":"0445020538 Bosch CP4 High-Pressure Fuel Pump for Yanmar and Thermo King","description":"\u003cp\u003eGenuine new \u003cstrong\u003eBosch 0445020538 CP4 high-pressure common rail fuel pump\u003c\/strong\u003e (Bosch type CR\/CP4N1\/L45\/20, Yanmar OE 129C28-51000) for Yanmar 3TNV, 4TNV and JH-series diesel engines used in Thermo King transport refrigeration units, Bobcat compact equipment, marine drives and other off-highway machinery. It replaces the earlier Bosch number 0445020509 (Yanmar 129A00-51000). Supplied brand-new in the sealed Bosch box, made in Czech Republic, with a 1-year manufacturer warranty.\u003c\/p\u003e\n\u003cp\u003eThe CP4 is a single-plunger, camshaft-driven high-pressure pump. It draws low-pressure fuel through its integrated metering unit and delivers it to the common rail at the pressure the engine ECU demands, giving precise injection timing and quantity across the load range. As a mechanical high-pressure pump it is a fit-and-run replacement when the Bosch or Yanmar number matches your original.\u003c\/p\u003e\n\u003cp\u003eAlso known internationally as: High-Pressure Fuel Pump \/ Common Rail Pump (EN), Hochdruckpumpe \/ Common-Rail-Pumpe (DE), Pompe haute pression \/ Pompe common rail (FR), Pompa ad alta pressione \/ Pompa common rail (IT), Bomba de alta presion \/ Bomba common rail (ES), Pompa de inalta presiune \/ Pompa de injectie common rail (RO) - Bosch 0445020538 for Yanmar and Thermo King.\u003c\/p\u003e\n\n\u003ch2\u003eKey features\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eProduct type\u003c\/td\u003e\n\u003ctd\u003eHigh-pressure common rail fuel pump\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eGenuine Bosch\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003ePart number\u003c\/td\u003e\n\u003ctd\u003e0445020538 (0 445 020 538)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eSystem \/ pump family\u003c\/td\u003e\n\u003ctd\u003eBosch CP4 series, single-plunger (Bosch type CR\/CP4N1\/L45\/20)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eYanmar OE number\u003c\/td\u003e\n\u003ctd\u003e129C28-51000 (129C2851000)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eYanmar 3TNV \/ 4TNV industrial and JH marine engines; Thermo King and Bobcat equipment\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eInstallation type\u003c\/td\u003e\n\u003ctd\u003eDirect OEM replacement when part numbers match\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eQuality standard\u003c\/td\u003e\n\u003ctd\u003eBosch OEM manufacturer quality\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eCondition\u003c\/td\u003e\n\u003ctd\u003eNew, in the sealed Bosch box\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e1-year manufacturer global warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eProduct details\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003cth\u003eProduct detail\u003c\/th\u003e\n\u003cth\u003eInformation\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eMain part number\u003c\/td\u003e\n\u003ctd\u003e0445020538 (0 445 020 538)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eBrand \/ manufacturer\u003c\/td\u003e\n\u003ctd\u003eBosch\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eProduct category\u003c\/td\u003e\n\u003ctd\u003eHigh-pressure common rail fuel pump\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eCondition\u003c\/td\u003e\n\u003ctd\u003eNew (genuine, not a remanufactured exchange unit)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eCountry of manufacture\u003c\/td\u003e\n\u003ctd\u003eCzech Republic\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eEAN \/ GTIN\u003c\/td\u003e\n\u003ctd\u003e4047026120301\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eIncluded in package\u003c\/td\u003e\n\u003ctd\u003e1 x new Bosch high-pressure pump\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e3.65 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003ePackage dimensions\u003c\/td\u003e\n\u003ctd\u003e30 x 30 x 30 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eOEM cross-reference numbers\u003c\/h2\u003e\n\u003cp\u003eCompare your original part number before ordering. The vehicle or engine model alone is not enough to confirm compatibility - verify by the number on the pump fitted to your engine.\u003c\/p\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003cth\u003eBrand \/ manufacturer\u003c\/th\u003e\n\u003cth\u003eCross-reference numbers\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eBosch (this pump)\u003c\/td\u003e\n\u003ctd\u003e0445020538, 0 445 020 538, CR\/CP4N1\/L45\/20\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eBosch (earlier number replaced)\u003c\/td\u003e\n\u003ctd\u003e0445020509, 0 445 020 509, CR\/CP4N1\/L43\/20-11S\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eYanmar\u003c\/td\u003e\n\u003ctd\u003e129C28-51000, 129C2851000, 129A00-51000, 129A0051000\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eBobcat\u003c\/td\u003e\n\u003ctd\u003e7029317\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eVehicle and machine compatibility\u003c\/h2\u003e\n\u003cp\u003eCompatibility must always be verified by the original part number, OEM number, VIN or engine serial number. The engine model alone is not sufficient. The Yanmar 3TNV \/ 4TNV engines below are widely used in Thermo King transport refrigeration units, Bobcat compact equipment and other industrial and off-highway machinery; the JH-series engines are Yanmar marine engines.\u003c\/p\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eEngine code\u003c\/th\u003e\n\u003cth\u003eDisplacement\u003c\/th\u003e\n\u003cth\u003ePower\u003c\/th\u003e\n\u003cth\u003eYear\u003c\/th\u003e\n\u003cth\u003eApplication\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eYanmar\u003c\/td\u003e\n\u003ctd\u003e3TNV88C\u003c\/td\u003e\n\u003ctd\u003e1.6 L\u003c\/td\u003e\n\u003ctd\u003e21.8-27.5 kW\u003c\/td\u003e\n\u003ctd\u003e09\/2016 onwards\u003c\/td\u003e\n\u003ctd\u003eIndustrial \/ Thermo King\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eYanmar\u003c\/td\u003e\n\u003ctd\u003e3TNV86CT\u003c\/td\u003e\n\u003ctd\u003e1.6 L\u003c\/td\u003e\n\u003ctd\u003e27.4-32.4 kW\u003c\/td\u003e\n\u003ctd\u003e09\/2016 onwards\u003c\/td\u003e\n\u003ctd\u003eIndustrial \/ Thermo King\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eYanmar\u003c\/td\u003e\n\u003ctd\u003e3TNV86CHT\u003c\/td\u003e\n\u003ctd\u003e1.6 L\u003c\/td\u003e\n\u003ctd\u003e33.3 kW\u003c\/td\u003e\n\u003ctd\u003e09\/2016 onwards\u003c\/td\u003e\n\u003ctd\u003eIndustrial \/ Thermo King\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eYanmar\u003c\/td\u003e\n\u003ctd\u003e4TNV88C\u003c\/td\u003e\n\u003ctd\u003e2.2 L\u003c\/td\u003e\n\u003ctd\u003e26.7-35.5 kW\u003c\/td\u003e\n\u003ctd\u003e09\/2012 onwards\u003c\/td\u003e\n\u003ctd\u003eIndustrial \/ Thermo King\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eYanmar\u003c\/td\u003e\n\u003ctd\u003e4TNV86CT\u003c\/td\u003e\n\u003ctd\u003e2.1 L\u003c\/td\u003e\n\u003ctd\u003e35.5-44.0 kW\u003c\/td\u003e\n\u003ctd\u003e09\/2012 onwards\u003c\/td\u003e\n\u003ctd\u003eIndustrial \/ Thermo King\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eYanmar\u003c\/td\u003e\n\u003ctd\u003e4TNV86CHT\u003c\/td\u003e\n\u003ctd\u003e2.1 L\u003c\/td\u003e\n\u003ctd\u003e48.5 kW\u003c\/td\u003e\n\u003ctd\u003e09\/2012 onwards\u003c\/td\u003e\n\u003ctd\u003eIndustrial \/ Thermo King\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eYanmar\u003c\/td\u003e\n\u003ctd\u003e4TNV98C\u003c\/td\u003e\n\u003ctd\u003e3.3 L\u003c\/td\u003e\n\u003ctd\u003e42.4-51.7 kW\u003c\/td\u003e\n\u003ctd\u003e09\/2012 onwards\u003c\/td\u003e\n\u003ctd\u003eIndustrial \/ Thermo King\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eYanmar\u003c\/td\u003e\n\u003ctd\u003e4TNV98CT\u003c\/td\u003e\n\u003ctd\u003e3.3 L\u003c\/td\u003e\n\u003ctd\u003e51.6-53.7 kW\u003c\/td\u003e\n\u003ctd\u003e09\/2012 onwards\u003c\/td\u003e\n\u003ctd\u003eIndustrial \/ Thermo King\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eYanmar\u003c\/td\u003e\n\u003ctd\u003e3JH40\u003c\/td\u003e\n\u003ctd\u003e1.6 L\u003c\/td\u003e\n\u003ctd\u003e26.8 kW\u003c\/td\u003e\n\u003ctd\u003e09\/2014 onwards\u003c\/td\u003e\n\u003ctd\u003eMarine\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eYanmar\u003c\/td\u003e\n\u003ctd\u003e4JH45\u003c\/td\u003e\n\u003ctd\u003e2.2 L\u003c\/td\u003e\n\u003ctd\u003e33.1 kW\u003c\/td\u003e\n\u003ctd\u003e09\/2013 onwards\u003c\/td\u003e\n\u003ctd\u003eMarine\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eYanmar\u003c\/td\u003e\n\u003ctd\u003e4JH57\u003c\/td\u003e\n\u003ctd\u003e2.2 L\u003c\/td\u003e\n\u003ctd\u003e38.1 kW\u003c\/td\u003e\n\u003ctd\u003e09\/2014 onwards\u003c\/td\u003e\n\u003ctd\u003eMarine\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eYanmar\u003c\/td\u003e\n\u003ctd\u003e4JH110\u003c\/td\u003e\n\u003ctd\u003e2.0 L\u003c\/td\u003e\n\u003ctd\u003e73.6 kW\u003c\/td\u003e\n\u003ctd\u003e09\/2014 onwards\u003c\/td\u003e\n\u003ctd\u003eMarine\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eTechnical information\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003cth\u003eTechnical specification\u003c\/th\u003e\n\u003cth\u003eInformation\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eSystem \/ pump type\u003c\/td\u003e\n\u003ctd\u003eBosch CP4 common rail high-pressure pump\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eBosch type designation\u003c\/td\u003e\n\u003ctd\u003eCR\/CP4N1\/L45\/20\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eConfiguration\u003c\/td\u003e\n\u003ctd\u003eSingle plunger (one pumping element), camshaft driven\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003ePressure control\u003c\/td\u003e\n\u003ctd\u003eIntegrated fuel metering unit on the low-pressure inlet\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eCompatibility verification\u003c\/td\u003e\n\u003ctd\u003ePart number, OEM number, VIN or engine serial required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eRelated diesel fuel system components\u003c\/h2\u003e\n\u003cp\u003eThese are the Bosch fuel system parts fitted alongside this pump on the Yanmar engines above. Manufacturers used different variants depending on engine build, power rating, emissions standard and production date, so another code may be the correct one for your engine - always identify the exact part by the number stamped on the unit fitted to your engine, not by the engine model alone.\u003c\/p\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003cth\u003eProduct type\u003c\/th\u003e\n\u003cth\u003eBosch part number\u003c\/th\u003e\n\u003cth\u003eOE reference\u003c\/th\u003e\n\u003cth\u003eApplicability\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eMetering unit (fuel quantity control, ZME)\u003c\/td\u003e\n\u003ctd\u003e1462C00983, 0928400800, 0928400752\u003c\/td\u003e\n\u003ctd\u003e129A00-51000\u003c\/td\u003e\n\u003ctd\u003eServiceable part of this pump\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eFuel rail, 3-cylinder engines\u003c\/td\u003e\n\u003ctd\u003e0445213022\u003c\/td\u003e\n\u003ctd\u003e129A00-57000\u003c\/td\u003e\n\u003ctd\u003e3TNV88C, 3TNV86CT, 3TNV86CHT, 3JH40\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eFuel rail, 4-cylinder engines\u003c\/td\u003e\n\u003ctd\u003e0445214271\u003c\/td\u003e\n\u003ctd\u003e129C00-57000\u003c\/td\u003e\n\u003ctd\u003e4TNV \/ 4JH engines\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eInjector, common rail\u003c\/td\u003e\n\u003ctd\u003e0445110463\u003c\/td\u003e\n\u003ctd\u003e129A00-53100\u003c\/td\u003e\n\u003ctd\u003e3TNV88C, 4TNV88C\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eInjector, common rail\u003c\/td\u003e\n\u003ctd\u003e0445110464\u003c\/td\u003e\n\u003ctd\u003e129A01-53100\u003c\/td\u003e\n\u003ctd\u003e3TNV86CT, 4TNV86CT\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eInjector, common rail\u003c\/td\u003e\n\u003ctd\u003e0445110997\u003c\/td\u003e\n\u003ctd\u003e129C05-53100\u003c\/td\u003e\n\u003ctd\u003e3TNV86CHT, 4TNV86CHT\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eInjector, common rail\u003c\/td\u003e\n\u003ctd\u003e0445110577\u003c\/td\u003e\n\u003ctd\u003e129675-53100\u003c\/td\u003e\n\u003ctd\u003e3JH40, 4JH45, 4JH57\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eInjector, common rail\u003c\/td\u003e\n\u003ctd\u003e0445110576\u003c\/td\u003e\n\u003ctd\u003e129677-53100\u003c\/td\u003e\n\u003ctd\u003e4JH110\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eInjector, common rail\u003c\/td\u003e\n\u003ctd\u003e0445110679\u003c\/td\u003e\n\u003ctd\u003e129C28-53100\u003c\/td\u003e\n\u003ctd\u003e4TNV88C\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eInjector, common rail\u003c\/td\u003e\n\u003ctd\u003e0445110507\u003c\/td\u003e\n\u003ctd\u003e129E00-53100\u003c\/td\u003e\n\u003ctd\u003e4TNV98C\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eInjector, common rail\u003c\/td\u003e\n\u003ctd\u003e0445110969\u003c\/td\u003e\n\u003ctd\u003e129E00-53110\u003c\/td\u003e\n\u003ctd\u003e4TNV98C\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eInjector, common rail\u003c\/td\u003e\n\u003ctd\u003e0445110508\u003c\/td\u003e\n\u003ctd\u003e129E01-53100\u003c\/td\u003e\n\u003ctd\u003e4TNV98CT\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eInjector, common rail\u003c\/td\u003e\n\u003ctd\u003e0445110970\u003c\/td\u003e\n\u003ctd\u003e129E01-53110\u003c\/td\u003e\n\u003ctd\u003e4TNV98CT\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eControl unit (ECU)\u003c\/td\u003e\n\u003ctd\u003e0281020276\u003c\/td\u003e\n\u003ctd\u003e129908-77010\u003c\/td\u003e\n\u003ctd\u003e3TNV \/ 4TNV \/ JH engines\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003eWhere one engine code lists two injector part numbers, both were fitted in production at different times: 4TNV88C uses 0445110463 or 0445110679; 4TNV98C uses 0445110507 or 0445110969; 4TNV98CT uses 0445110508 or 0445110970. Confirm the correct injector by the number on the unit fitted to your engine.\u003c\/p\u003e\n\n\u003ch2\u003eShipping and warranty\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003cth\u003eShipping \/ warranty detail\u003c\/th\u003e\n\u003cth\u003eInformation\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eShipping\u003c\/td\u003e\n\u003ctd\u003eSame-day handling for stock items\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003ePre-order availability\u003c\/td\u003e\n\u003ctd\u003ePre-order items may require 2-4 weeks handling time\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e1-year manufacturer global warranty covering manufacturing defects\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eReturns\u003c\/td\u003e\n\u003ctd\u003eReturns accepted only for unused and uninstalled parts in original condition\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eFitment responsibility\u003c\/td\u003e\n\u003ctd\u003eBuyer must verify compatibility before installation\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eInstallation damage\u003c\/td\u003e\n\u003ctd\u003eDamage caused by incorrect installation, contaminated fuel, or incorrect application is not covered\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I know the Bosch 0445020538 fits my Yanmar engine or Thermo King unit?\u003c\/strong\u003e Match the number on the pump currently fitted to your engine, or the Yanmar number 129C28-51000, against this listing. This pump also replaces the earlier Bosch 0445020509 (Yanmar 129A00-51000). The engine model alone is not enough - confirm by the part number, OE number or engine serial.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs 0445020509 the same pump as 0445020538?\u003c\/strong\u003e 0445020538 is the current Bosch number and replaces the earlier 0445020509 (Yanmar 129A00-51000). They share the same application on these Yanmar engines. If your original is marked 0445020509, this pump is the correct up-to-date replacement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it new or remanufactured?\u003c\/strong\u003e This is a genuine new Bosch pump in the sealed manufacturer box, not a remanufactured exchange unit. There is no core charge on this item.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the pump need coding or programming after fitting?\u003c\/strong\u003e No. This is a mechanical high-pressure pump, so it needs no ECU coding. Fit the pump, then prime and bleed the fuel system following the engine manufacturer's procedure.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is CR\/CP4N1\/L45\/20?\u003c\/strong\u003e It is the Bosch internal type designation laser-etched on the pump. CP4 is the pump series; the single-plunger configuration handles the fuel volume of these 3 and 4 cylinder Yanmar engines.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhich fuel rail and injectors go with this pump?\u003c\/strong\u003e The 3-cylinder engines use rail 0445213022 and the 4-cylinder engines use rail 0445214271; the injectors vary by engine code (see the related components table). Identify each by the number on the part fitted to your engine.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo you ship worldwide?\u003c\/strong\u003e Yes, we ship worldwide.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is included?\u003c\/strong\u003e One new Bosch 0445020538 high-pressure pump. Mounting seals or gaskets are not included and should be renewed from your original where required.\u003c\/p\u003e\n\n\u003ch2\u003eCommon symptoms of a failing CP4 high-pressure pump\u003c\/h2\u003e\n\u003cp\u003eHard or no starting, loss of power, rough running and low-rail-pressure fault codes are typical signs of a worn or failing high-pressure pump on these Yanmar common rail engines. Because contaminated or water-in-fuel damage is a common cause, have the fuel system and filtration checked and the fault confirmed by a diesel specialist before replacing parts.\u003c\/p\u003e","brand":"Bosch","offers":[{"title":"Default Title","offer_id":54317324140877,"sku":"0445020538","price":1628.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/3896\/3277\/files\/bosch-cp4-fuel-pump-0445020538-yanmar-thermo-king.jpg?v=1784284269","url":"https:\/\/expressdiesel.eu\/products\/0445020538-bosch-cp4-high-pressure-fuel-pump-for-yanmar-and-thermo-king","provider":"Express Diesel","version":"1.0","type":"link"}