{"product_id":"cummins-4921601-crankshaft-position-sensor-kit-replacement-pai-industries-050701","title":"PAI 050701 Crankshaft Position Sensor – Cummins ISB 5.9L","description":"\u003cp\u003ePAI Industries 050701 crankshaft position sensor kit — direct replacement for Cummins 4921601 (3941966, 3943409, 4002066) — for Cummins ISB and QSB 5.9 L diesel engines. The sensor reads the crank tone wheel and feeds the ECM the speed and reference signal needed for injector timing and engine-protection logic. Ships with the EGA-3174 O-ring for a leak-free install.\u003c\/p\u003e\n\n\u003ch2\u003eSigns You Need a New Crankshaft Position Sensor\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eEngine cranks but will not start, or intermittent no-start\u003c\/li\u003e\n  \u003cli\u003eTachometer drops to zero or reads erratically with engine running\u003c\/li\u003e\n  \u003cli\u003eEngine stalls or cuts out under load, then restarts\u003c\/li\u003e\n  \u003cli\u003eCheck engine light with engine-speed signal \/ CKP circuit fault codes\u003c\/li\u003e\n  \u003cli\u003eHard hot-restart after extended idle\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003cth scope=\"row\"\u003eManufacturer\u003c\/th\u003e\n\u003ctd\u003ePAI Industries\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth scope=\"row\"\u003ePart Number\u003c\/th\u003e\n\u003ctd\u003e050701\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth scope=\"row\"\u003ePart Type\u003c\/th\u003e\n\u003ctd\u003eCrankshaft Position Sensor Kit\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth scope=\"row\"\u003eEngine Compatibility\u003c\/th\u003e\n\u003ctd\u003eCummins ISB 5.9 L, QSB 5.9 L\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth scope=\"row\"\u003eConnector\u003c\/th\u003e\n\u003ctd\u003eOval, 3-Pin\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth scope=\"row\"\u003eOverall Length\u003c\/th\u003e\n\u003ctd\u003e2.43 in\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth scope=\"row\"\u003eIncludes\u003c\/th\u003e\n\u003ctd\u003eSensor and EGA-3174 O-Ring\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eKit Includes\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eCrankshaft position sensor — PAI 050701 (OEM Cummins 4921601)\u003c\/li\u003e\n  \u003cli\u003eO-ring — PAI EGA-3174\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCross References\u003c\/h2\u003e\n\u003cp\u003eThis part replaces or is equivalent to the following part numbers:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCummins:\u003c\/strong\u003e 4921601, 3941966, 3943409, 4002066, 5491995\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePAI:\u003c\/strong\u003e 50701\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAutomann:\u003c\/strong\u003e 577.90503\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDorman HD Solutions:\u003c\/strong\u003e 904-7123, S-23430\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBWP:\u003c\/strong\u003e S20\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cp\u003eThis crankshaft position sensor fits the following Cummins engines:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCummins ISB 5.9 L (1998.5–2007, 24-valve)\u003c\/li\u003e\n  \u003cli\u003eCummins QSB 5.9 L (off-highway \/ industrial)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eRepresentative vehicles using these engines:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDodge Ram 2500, 3500 with 5.9 L 24-valve Cummins (1998.5–2007)\u003c\/li\u003e\n  \u003cli\u003eFreightliner FL50, FL60, FL70, FL80, Business Class M2\u003c\/li\u003e\n  \u003cli\u003eSterling Acterra, Bullet\u003c\/li\u003e\n  \u003cli\u003eInternational \/ IC Bus and Blue Bird school buses with Cummins ISB\u003c\/li\u003e\n  \u003cli\u003eThomas Built school buses with Cummins ISB\u003c\/li\u003e\n  \u003cli\u003eFreightliner FC-Series step vans\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eVerify your engine serial number and CPL before ordering. Confirm your connector style is the oval 3-pin variant — early\/late ISB sensors use different connector geometries.\u003c\/em\u003e\u003c\/p\u003e","brand":"PAI Industries","offers":[{"title":"Default Title","offer_id":48683127439645,"sku":"050701","price":31.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0053\/0730\/1991\/files\/050701_01_lg.jpg?v=1718847852","url":"https:\/\/www.allprodiesel.net\/products\/cummins-4921601-crankshaft-position-sensor-kit-replacement-pai-industries-050701","provider":"All Pro Truck Parts","version":"1.0","type":"link"}