The Alliant Power AP63519 is a new primary belt tensioner for 2008–2010 Ford 6.4L Powerstroke applications. Alliant’s Accessory Drive Belt Tensioner maintains proper tension on the accessory drive belt to support belt-driven component operation.
Features & Benefits
- New Alliant Power Primary Belt Tensioner (Alliant P/N AP63519)
- Fit, form, and function tested to meet or exceed original-equipment standards (per Alliant Power)
- Direct replacement for 7C3Z-6B209-A / 7C3Z-6B209-D / 7C3Z-6B209-E
- Backed by Alliant Power’s 24-month, unlimited-mileage warranty
Application
- Ford F-250 Super Duty / F-350 Super Duty / F-450 Super Duty / F-550 Super Duty (2008–2010)
Always verify fitment against your VIN, engine, and OE part number before ordering.
Cross-Reference / Replaces
- Ford: 7C3Z6B209, 7C3Z-6B209-A, 7C3Z-6B209-D, 7C3Z-6B209-E
- Motorcraft: BT101, BT122, BT90
- Alliant Power: AP63519
Warranty: Alliant Power’s standard warranty: 24 months with unlimited miles/hours on installed parts (Alliant Power warranty policy, rev. Aug 2025).
The Alliant Power AP63519 is a new primary belt tensioner for 2008–2010 Ford 6.4L Powerstroke applications. Alliant’s Accessory Drive Belt Tensioner maintains proper tension on the accessory drive belt to support belt-driven component operation.
Features & Benefits
New Alliant Power Primary Belt Tensioner (Alliant P/N AP63519)
Fit, form, and function tested to meet or exceed original-equipment standards (per Alliant Power)
Direct replacement for 7C3Z-6B209-A / 7C3Z-6B209-D / 7C3Z-6B209-E
Backed by Alliant Power’s 24-month, unlimited-mileage warranty
Application
Ford F-250 Super Duty / F-350 Super Duty / F-450 Super Duty / F-550 Super Duty (2008–2010)
Always verify fitment against your VIN, engine, and OE part number before ordering.
Cross-Reference / Replaces
Ford: 7C3Z6B209, 7C3Z-6B209-A, 7C3Z-6B209-D, 7C3Z-6B209-E
Motorcraft: BT101, BT122, BT90
Alliant Power: AP63519
Warranty: Alliant Power’s standard warranty: 24 months with unlimited miles/hours on installed parts (Alliant Power warranty policy, rev. Aug 2025).[...]
The Alliant Power AP63519 is a new primary belt tensioner for 2008–2010 Ford 6.4L Powerstroke applications. Alliant’s Accessory Drive Belt Tensioner maintains proper tension on the accessory drive belt to support belt-driven component operation.
Features & Benefits
- New Alliant Power Primary Belt Tensioner (Alliant P/N AP63519)
- Fit, form, and function tested to meet or exceed original-equipment standards (per Alliant Power)
- Direct replacement for 7C3Z-6B209-A / 7C3Z-6B209-D / 7C3Z-6B209-E
- Backed by Alliant Power’s 24-month, unlimited-mileage warranty
Application
- Ford F-250 Super Duty / F-350 Super Duty / F-450 Super Duty / F-550 Super Duty (2008–2010)
Always verify fitment against your VIN, engine, and OE part number before ordering.
Cross-Reference / Replaces
- Ford: 7C3Z6B209, 7C3Z-6B209-A, 7C3Z-6B209-D, 7C3Z-6B209-E
- Motorcraft: BT101, BT122, BT90
- Alliant Power: AP63519
Warranty: Alliant Power’s standard warranty: 24 months with unlimited miles/hours on installed parts (Alliant Power warranty policy, rev. Aug 2025).