The Alliant Power AP63490 is a new engine coolant temperature (ECT) sensor for 1997 Ford 7.3L Powerstroke applications. Alliant’s Engine Coolant Temperature Sensor monitors temperature conditions and sends the signal used by the engine management system.

Features & Benefits

• New Alliant Power Engine Coolant Temperature (ECT) Sensor (Alliant P/N AP63490)
• Fit, form, and function tested to meet or exceed original-equipment standards (per Alliant Power)
• Direct replacement for 9U2Z-12A648-A / E1AZ-12A648-A / F1AZ-12A648-B
• Backed by Alliant Power’s 24-month, unlimited-mileage warranty

Application

• Ford F-250 HD (1997)
• Ford E-350 Econoline / E-350 Econoline Club Wagon (1994–1998)
• Alliant Power lists additional vehicle applications for this part number

Always verify fitment against your VIN, engine, and OE part number before ordering.

Cross-Reference / Replaces

• Ford: 9U2Z-12A648-A, E1AZ-12A648-A, F1AZ-12A648-B, F1CZ-18B402-C, F2AF-12A648-AA, F2AZ-12A648-A, F2AZ-12A648-AA, F4TZ-12A648-A
• Motorcraft: DY1145, DY303, DY650, DY681, DY725
• Delphi: TS1001
• Alliant Power: AP63490

Warranty: Alliant Power’s standard warranty: 24 months with unlimited miles/hours on installed parts (Alliant Power warranty policy, rev. Aug 2025).