This is a remanufactured GM ECM (Engine Control Module) by NAPA Echlin Inc., part number XTP644, corresponding to the OEM GM reference 1227148. This ECM was commonly used in 1986–1987 Buick Grand National, Turbo T, and T-Type applications equipped with the 3.8L SFI Turbo engine.
Details: • OEM Reference: 1227148 • NAPA Echlin Part No.: XTP644 • Remanufactured Powertrain Control Module by Echlin Inc. • Compatible with 1986–1987 Turbo Buick / Grand National / T-Type • Accepts factory-style PROM / calibration chips • Metal housing with dual main harness ports • Ideal for restoring stock or chip-tuned setups
Condition: • 🟡 Yellow Dot – untested • Light oxidation and cosmetic wear present on the case • Circuit board visible and clean • Includes original NAPA/Echlin label and test program sticker • Great candidate for testing, rebuild, or spare
✅ All sales are final. No refunds, returns, or exchanges. Items are sold as-is. Buyer is responsible for verifying compatibility with their application.
