This is an original GM ECM, service number 1226459 (DNN label code), correct for 1984–1985 Buick Grand National, T-Type, and Riviera T-Type equipped with the 3.8L SFI Turbo engine (non-intercooled).
Details: • GM Service No. 1226459 • Factory ECM for 1984–1985 Turbo Buick “Hot-Air” models • Compatible with OEM-style calibration chips for 84–85 systems • Dual connector ports — standard GM harness style • Aluminum housing, clean internal circuit visibility • Ideal as a test unit, spare, or rebuild core
Condition: • 🟡 Yellow Dot – Functional upon removal, untested since • Factory labels intact with minor wear • Normal surface oxidation from storage • Great candidate for restoration or chip tuning for 84–85 setups
Stock Notice: We currently have multiple units in stock. The customer may not receive the exact unit pictured, but each ECM will match the same OEM part number and label code (DNN)
✅ All sales are final. No refunds, returns, or exchanges. Items are sold as-is. Buyer is responsible for verifying compatibility.
