Motorcraft 6.0L Powerstroke Remanufactured High-Pressure Oil Pump (5C3Z-9A543-ARM)

The high-pressure oil pump supplies the high-pressure oil the 6.0L Powerstroke uses to fire its injectors. The Motorcraft 5C3Z-9A543-ARM is Ford’s remanufactured HPOP for the late-style cast-iron pump. Ford says Motorcraft pump assemblies are engineered to original equipment standards, including design improvements made since the truck was built.

Key Benefits & Features

• Genuine Motorcraft Reman: Ford part number 5C3Z-9A543-ARM (Motorcraft HPP-12-RM), a remanufactured pump assembly.
• Current Part Number: Replaces Ford 5C3Z-9A543-C and 5C4Z-9A543-B.
• Tested to Ford Standards: Ford tests its assemblies for leaks, flow performance, vibration, corrosion resistance and durability, and mounting strength.
• Includes Updates: Built with the latest design improvements Ford has introduced since the original pump.
• What's in the Box: (1) Motorcraft 5C3Z-9A543-ARM remanufactured high-pressure oil pump.

Fitment

• 2005–2007 Ford F-250, F-350 and F-450 / F-550 Super Duty 6.0L Powerstroke Diesel
• 2005–2010 Ford E-350 / E-450 Super Duty 6.0L Powerstroke Diesel vans
• Part Number: Motorcraft 5C3Z-9A543-ARM (replaces 5C3Z-9A543-C)

Tech & Installation Notes

• Late 2004 Truck?: If your truck was built in 2004 with the late-style cast-iron HPOP, contact us with your VIN before ordering.
• Seals and Install Parts: Replace the pump seals at installation with the Ford 5C3Z-9G804-C seal kit, or use an Alliant Power AP0099 install kit, or AP0098 if you’re also adding the updated STC fitting. If the pump cover is damaged, Ford 5C3Z-9G805-C is the replacement cover.