{"product_id":"cat-252-2422-engine-ecm-control-module","title":"CAT 252-2422 Engine ECM Electronic Control Module C6.4 C7 Excavator OEM","description":"\u003ch2\u003eCAT 252-2422 Engine ECM — Electronic Control Module\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eCAT 252-2422\u003c\/strong\u003e is the OEM Engine Control Module (ECM) for Caterpillar \u003cstrong\u003eC6.4 and C7 ACERT\u003c\/strong\u003e diesel engines. This unit manages fuel injection timing, emission controls, throttle response, and all critical engine parameters. A failed ECM causes hard starts, fault codes, power loss, or complete no-start conditions — this tested replacement restores full engine management.\u003c\/p\u003e\u003ch3\u003eCompatible Models\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCAT 320D Excavator (Engine: C6.4)\u003c\/li\u003e\n\u003cli\u003eCAT 320D L \/ 320D LRR Excavator\u003c\/li\u003e\n\u003cli\u003eCAT 323D Excavator (Engine: C6.4)\u003c\/li\u003e\n\u003cli\u003eCAT 324D Excavator (Engine: C6.4)\u003c\/li\u003e\n\u003cli\u003eCAT 325D Excavator (Engine: C7 ACERT)\u003c\/li\u003e\n\u003cli\u003eCAT 329D Excavator (Engine: C7 ACERT)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003e* Match software code (MKUUNK) and part number suffix (-03) to your original ECM. Flash reprogramming may be required for some applications.\u003c\/em\u003e\u003c\/p\u003e\u003ch3\u003ePart Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e 252-2422 \/ 252-2422-03\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSerial Number:\u003c\/strong\u003e 32676084LE\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSoftware Code:\u003c\/strong\u003e MKUUNK\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Type:\u003c\/strong\u003e Engine ECM \/ ECU — Electronic Control Module\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e CAT \/ Caterpillar\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnectors:\u003c\/strong\u003e 2 × large multi-pin + 1 × auxiliary connector\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e Used — Bench tested \u0026amp; verified functional\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Engines:\u003c\/strong\u003e C6.4 \/ C7 ACERT\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhy Choose BuyECM?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e✅ CAT ECM specialists — we test every module before shipping\u003c\/li\u003e\n\u003cli\u003e✅ Full functionality verified — no fault codes on bench test\u003c\/li\u003e\n\u003cli\u003e✅ Anti-static packaging — ECM protected during transit\u003c\/li\u003e\n\u003cli\u003e✅ Fast worldwide shipping — DHL \/ FedEx \/ EMS with tracking\u003c\/li\u003e\n\u003cli\u003e✅ Expert pre-sales support — send us your serial number to confirm match\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eImportant:\u003c\/strong\u003e ECMs may require flash programming to match your machine's serial number. Contact us before ordering if you need programming support.\u003c\/p\u003e\u003cp\u003e📦 \u003cstrong\u003eShipping:\u003c\/strong\u003e Dispatched within 1–2 business days. Tracking provided automatically.\u003c\/p\u003e","brand":"Caterpillar","offers":[{"title":"Default Title","offer_id":43195902001270,"sku":"252-2422","price":900.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0659\/2387\/4934\/files\/252-2422700USD.jpg?v=1773381026","url":"https:\/\/buyecm.com\/products\/cat-252-2422-engine-ecm-control-module","provider":"BUY ECM","version":"1.0","type":"link"}