The Alliant Power AP63436 is a new engine oil temp sensor for 1999–2003 Ford 7.3L Powerstroke applications.

Features & Benefits

• New Alliant Power Engine Oil Temp Sensor (Alliant P/N AP63436)
• Fit, form, and function tested to meet or exceed original-equipment standards (per Alliant Power)
• Direct replacement for 3F1Z-12A648-A / F5AZ12A648 / F5AZ12A648AB
• Backed by Alliant Power’s 24-month, unlimited-mileage warranty

Application

• Ford F-250 Super Duty / F-350 Super Duty (1999–2003)
• Ford E-350 Econoline Club Wagon (2001–2002)
• Ford E-350 Super Duty (2002–2003)
• Ford E-350 Club Wagon (2003)
• 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: 3F1Z-12A648-A, F5AZ12A648, F5AZ12A648AB
• Motorcraft: DY-1144, DY961
• Navistar: 1814320, 1814320C1
• Delphi: 33734, TS10240-12B1
• Hella: 9107831, 009107831
• Alliant Power: AP63436

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