The Alliant Power AP63539 is a new engine oil pressure Switch/Sensor for 2011–2016 Ford 6.7L Powerstroke applications. Alliant’s Engine Oil Pressure Switch provides an electrical switching signal based on operating conditions in the lubrication system.

Features & Benefits

• New Alliant Power Engine Oil Pressure Switch/Sensor (Alliant P/N AP63539)
• Fit, form, and function tested to meet or exceed original-equipment standards (per Alliant Power)
• Direct replacement for 1U5T-9278-DA / 1U5Z-9278-DA / 6U5Z-9278-D
• Backed by Alliant Power’s 24-month, unlimited-mileage warranty

Application

• Ford F-250 Super Duty / F-350 Super Duty (2008–2016)
• Ford E-150 Club Wagon / E-350 Club Wagon (2005)
• Ford E-350 Super Duty (2005–2019)
• Ford E-150 / E-250 (2005–2014)
• Ford F-150 (2005–2017)
• 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: 1U5T-9278-DA, 1U5Z-9278-DA, 6U5Z-9278-D, F8AZ-9278-DA, GC3Z-9278-A, GC3Z-9278-B
• Motorcraft: SW6357, SW8368
• Stanadyne: S4327
• Alliant Power: AP63539

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