{"product_id":"ldfi0506-plunger-barrel-group-ab-af","title":"LDFI0506 - 06060\/31 Plunger \u0026 Barrel Group – Compatible with Ford® 7.3L Power Stroke \/ Navistar® T444E AB\/AF Injectors","description":"\u003cp\u003eThe \u003cstrong\u003eLDFI0506 Plunger \u0026amp; Barrel Group\u003c\/strong\u003e from \u003cstrong\u003eSRT Automotive (formerly Lucas Diesel Systems)\u003c\/strong\u003e is a new aftermarket replacement component intended for compatible Ford® 7.3L Power Stroke and Navistar® T444E HEUI diesel fuel injectors using the \u003cstrong\u003e06060\/31 PRIME-type plunger and barrel configuration\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp\u003eDesigned for professional diesel fuel-injection rebuilding and repair, this precision-matched plunger and barrel group forms part of the injector's fuel-pressurization system. During injector operation, the plunger moves within the barrel to develop the high fuel pressures required for injection.\u003c\/p\u003e\n\n\u003cp\u003eThe LDFI0506 corresponds to the 06060\/31 component family associated with selected \u003cstrong\u003eAB and AF injector configurations\u003c\/strong\u003e. This PRIME-type configuration is used in compatible HEUI injectors incorporating pre-injection metering.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e This listing is for one plunger and barrel group, not a complete fuel injector. Confirm the injector body code, original plunger-and-barrel reference, and engine application before ordering. Different 7.3L HEUI injector configurations may require different internal components.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures \u0026amp; Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eNew aftermarket HEUI plunger and barrel group\u003c\/li\u003e\n\u003cli\u003eDesigned for compatible Ford® 7.3L Power Stroke and Navistar® T444E injectors\u003c\/li\u003e\n\u003cli\u003eCorresponds to the 06060\/31 PRIME-type component configuration\u003c\/li\u003e\n\u003cli\u003e6.0 mm nominal plunger diameter\u003c\/li\u003e\n\u003cli\u003eIntended for selected AB and AF injector applications\u003c\/li\u003e\n\u003cli\u003eSuitable for professional injector rebuilding, repair, and remanufacturing\u003c\/li\u003e\n\u003cli\u003eSupplied in Lucas \/ SRT Automotive packaging\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCalifornia Diesel SKU:\u003c\/strong\u003e LDFI0506\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSRT Automotive Reference:\u003c\/strong\u003e SRDI0506\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFormer Lucas Reference:\u003c\/strong\u003e LDFI0506\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComponent Reference:\u003c\/strong\u003e 06060\/31\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Diesel Fuel Injector Plunger \u0026amp; Barrel Group\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlso Known As:\u003c\/strong\u003e HEUI Plunger and Barrel, Injector Plunger Assembly, Plunger \u0026amp; Barrel Set\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuel Type:\u003c\/strong\u003e Diesel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInjection System:\u003c\/strong\u003e HEUI – Hydraulically Actuated Electronic Unit Injection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e PRIME \/ Split-Shot\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlunger Diameter:\u003c\/strong\u003e 6.0 mm nominal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrimary Injector Codes:\u003c\/strong\u003e AB \/ AF\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e New \/ Aftermarket\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Tier:\u003c\/strong\u003e Aftermarket\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 12 Months \/ 50,000 Miles\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e Lucas \/ SRT Automotive Packaging\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThis product has not been installed or placed into service. Due to bulk handling, storage, inspection, or repackaging, minor cosmetic marks, light scuffs, or small surface imperfections may be present. Components with damage affecting precision mating surfaces, fit, or intended functionality should not be installed.\u003c\/p\u003e\n\n\u003ch3\u003eCompatible Engine Families\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFord® 7.3L Power Stroke:\u003c\/strong\u003e Selected 1997–1999 applications using compatible AB-code PRIME HEUI injectors\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNavistar® \/ International® T444E:\u003c\/strong\u003e Selected applications using compatible AB or AF injector configurations\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eApplications vary according to engine serial number, production date, injector identification code, and calibration. Engine displacement or vehicle model alone does not establish compatibility.\u003c\/p\u003e\n\n\u003ch3\u003eCompatible Injector References\u003c\/h3\u003e\n\n\u003ch4\u003eFord® 7.3L Power Stroke — AB Injector Family\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eF81Z-9E527-BRM\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eNavistar® T444E — AB Injector Family\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1824582C94\u003c\/li\u003e\n\u003cli\u003e1822803C1\u003c\/li\u003e\n\u003cli\u003e1824583C97\u003c\/li\u003e\n\u003cli\u003e1825125C1\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eNavistar® T444E — AF Injector Family\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1833647C1\u003c\/li\u003e\n\u003cli\u003e1833643C1\u003c\/li\u003e\n\u003cli\u003e1833641C1\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eFitment Verification:\u003c\/strong\u003e These complete injector references identify the corresponding AB and AF injector families documented in the DIPACO HEUI application guide. Confirm the original injector body code and 06060\/31 plunger-and-barrel configuration before ordering.\u003c\/p\u003e\n\n\u003ch3\u003eCross Reference Information\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLDFI0506:\u003c\/strong\u003e Lucas Diesel Systems reference\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSRDI0506:\u003c\/strong\u003e SRT Automotive reference\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e06060\/31:\u003c\/strong\u003e Component reference\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDPE06060\/31:\u003c\/strong\u003e DIPACO aftermarket application reference\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e The DIPACO 06060\/31 family is also documented for certain BE injector configurations. SRT application coverage should be confirmed before ordering this product for BE injectors.\u003c\/p\u003e\n\n\u003cp\u003eOther plunger-and-barrel groups, including 06000\/31 and 06061\/31, serve different injector configurations and should not be substituted without technical verification.\u003c\/p\u003e\n\n\u003ch3\u003eProfessional Installation\u003c\/h3\u003e\n\n\u003cp\u003eHEUI plunger and barrel components require precise assembly, correct component matching, and appropriate cleanliness procedures.\u003c\/p\u003e\n\n\u003cp\u003eInstallation should be completed by a qualified diesel fuel-injection technician using suitable tooling and the applicable service procedures.\u003c\/p\u003e\n\n\u003cp\u003eProfessional injector calibration and test-bench verification are recommended after installation to confirm fuel delivery, leakage, and correct injector operation.\u003c\/p\u003e\n\n\u003ch3\u003eWarranty\u003c\/h3\u003e\n\n\u003cp\u003eThis aftermarket product is backed by a \u003cstrong\u003e12-month \/ 50,000-mile limited warranty\u003c\/strong\u003e, subject to California Diesel warranty terms and proper professional installation.\u003c\/p\u003e\n\n\u003ch3\u003ePackaging\u003c\/h3\u003e\n\n\u003cp\u003eSupplied in Lucas \/ SRT Automotive packaging. Packaging appearance may vary between previous Lucas Diesel Systems branding and current SRT Automotive branding.\u003c\/p\u003e\n\n\u003ch3\u003eCalifornia Diesel Note\u003c\/h3\u003e\n\n\u003cp\u003eCalifornia Diesel supplies replacement diesel, automotive and heavy-equipment components for repair facilities, fleets and professional service applications.\u003c\/p\u003e\n\n\u003cp\u003eFor compatibility assistance, contact \u003ca href=\"mailto:sales@california-diesel.com\"\u003esales@california-diesel.com\u003c\/a\u003e or call \u003ca href=\"tel:+19512341022\"\u003e+1 (951) 234-1022\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eLegal Compliance\u003c\/h3\u003e\n\n\u003cp\u003eFord®, Power Stroke®, Navistar®, International®, DIPACO, and other third-party brand names, part numbers, and trademarks are used solely for identification and compatibility information. They remain the property of their respective owners.\u003c\/p\u003e\n\n\u003cp\u003eSuch references do not imply that this aftermarket component is manufactured, authorized, or endorsed by those vehicle, engine, or component manufacturers.\u003c\/p\u003e\n\n\u003ch3\u003eCalifornia Proposition 65\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003eWARNING:\u003c\/strong\u003e Cancer and Reproductive Harm — \u003ca href=\"https:\/\/www.P65Warnings.ca.gov\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e.\u003c\/p\u003e","brand":"LUCAS","offers":[{"title":"Default Title","offer_id":43784184692993,"sku":"LDFI0506","price":79.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0332\/4608\/5164\/files\/ldfi0506-plunger-and-barrel-group-abaf-california-diesel-shop-1.jpg?v=1708052762","url":"https:\/\/www.california-diesel.com\/en-ca\/products\/ldfi0506-plunger-barrel-group-ab-af","provider":"California Diesel Shop","version":"1.0","type":"link"}