💨 BOOST-CRUCIAL SENSOR – OEM MAP SENSOR FOR TURBO BUICK ECU CONTROL
This is a factory-style OEM MAP (Manifold Absolute Pressure) sensor removed from a 1986–1987 Buick Grand National. This 3-wire sensor measures intake pressure and relays that data to the factory dash for boost gauge.
✅ Fits 1986–1987 Buick Grand National & Turbo Regal ✅ 3-pin GM weatherpack connector ✅ Correct for factory ECM fueling and spark strategy ✅ Can be used with aftermarket digital boost gauges ✅ Mounts via tabbed bracket or firewall
📦 Quantity in Stock 📌 We have 2 units available — both in comparable condition. The one you receive may not be the exact one pictured, but will meet the same standard or better.
🟡 Yellow Dot – Removed a running car. Not tested for signal output or voltage response. Sold as-is.
