{"product_id":"gm-ecm-1227148-napa-echlin-remanufactured-ecu-xtp644","title":"GM ECM (1227148) – NAPA Echlin Remanufactured ECU (XTP644)","description":"\u003cp data-start=\"86\" data-end=\"387\"\u003eThis is a \u003cstrong data-start=\"96\" data-end=\"145\"\u003eremanufactured GM ECM (Engine Control Module)\u003c\/strong\u003e by \u003cstrong data-start=\"149\" data-end=\"169\"\u003eNAPA Echlin Inc.\u003c\/strong\u003e, part number \u003cstrong data-start=\"183\" data-end=\"193\"\u003eXTP644\u003c\/strong\u003e, corresponding to the OEM GM reference \u003cstrong data-start=\"233\" data-end=\"244\"\u003e1227148\u003c\/strong\u003e. This ECM was commonly used in \u003cstrong data-start=\"276\" data-end=\"331\"\u003e1986–1987 Buick Grand National, Turbo T, and T-Type\u003c\/strong\u003e applications equipped with the 3.8L SFI Turbo engine.\u003c\/p\u003e\n\u003cp data-start=\"389\" data-end=\"752\"\u003e\u003cstrong data-start=\"389\" data-end=\"401\"\u003eDetails:\u003c\/strong\u003e\u003cbr data-start=\"401\" data-end=\"404\"\u003e• OEM Reference: \u003cstrong data-start=\"421\" data-end=\"432\"\u003e1227148\u003c\/strong\u003e\u003cbr data-start=\"432\" data-end=\"435\"\u003e• NAPA Echlin Part No.: \u003cstrong data-start=\"459\" data-end=\"469\"\u003eXTP644\u003c\/strong\u003e\u003cbr data-start=\"469\" data-end=\"472\"\u003e• Remanufactured Powertrain Control Module by Echlin Inc.\u003cbr data-start=\"529\" data-end=\"532\"\u003e• Compatible with \u003cstrong data-start=\"550\" data-end=\"601\"\u003e1986–1987 Turbo Buick \/ Grand National \/ T-Type\u003c\/strong\u003e\u003cbr data-start=\"601\" data-end=\"604\"\u003e• Accepts factory-style PROM \/ calibration chips\u003cbr data-start=\"652\" data-end=\"655\"\u003e• Metal housing with dual main harness ports\u003cbr data-start=\"699\" data-end=\"702\"\u003e• Ideal for restoring stock or chip-tuned setups\u003c\/p\u003e\n\u003cp data-start=\"754\" data-end=\"1042\"\u003e\u003cstrong data-start=\"754\" data-end=\"768\"\u003eCondition:\u003c\/strong\u003e\u003cbr data-start=\"768\" data-end=\"771\"\u003e• 🟡 Yellow Dot – \u003cstrong data-start=\"789\" data-end=\"830\"\u003euntested \u003c\/strong\u003e\u003cbr data-start=\"830\" data-end=\"833\"\u003e• Light oxidation and cosmetic wear present on the case\u003cbr data-start=\"888\" data-end=\"891\"\u003e• Circuit board visible and clean\u003cbr data-start=\"924\" data-end=\"927\"\u003e• Includes original NAPA\/Echlin label and test program sticker\u003cbr data-start=\"989\" data-end=\"992\"\u003e• Great candidate for testing, rebuild, or spare\u003c\/p\u003e\n\u003cp data-start=\"1044\" data-end=\"1210\"\u003e✅ \u003cstrong data-start=\"1046\" data-end=\"1070\"\u003eAll sales are final.\u003c\/strong\u003e\u003cbr data-start=\"1070\" data-end=\"1073\"\u003eNo refunds, returns, or exchanges.\u003cbr data-start=\"1107\" data-end=\"1110\"\u003eItems are sold \u003cstrong data-start=\"1125\" data-end=\"1135\"\u003eas-is.\u003c\/strong\u003e Buyer is responsible for verifying compatibility with their application.\u003c\/p\u003e","brand":"Watts Performance Solutions","offers":[{"title":"Default Title","offer_id":42535339229247,"sku":"pauls","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0570\/2310\/3039\/files\/ScreenShot2025-11-08at9.29.25AM.png?v=1762612293","url":"https:\/\/wattsperformance.com\/products\/gm-ecm-1227148-napa-echlin-remanufactured-ecu-xtp644","provider":"Watts Performance Solutions","version":"1.0","type":"link"}