Low rail pressure, long cranking, or metal in the fuel system are common signs of a failing CP4 pump. The Bosch 0445010817 is a brand-new CP4 high-pressure injection pump for LML/LGH Duramax 2011-2016.

Match your OE pump number and install with clean fuel and a healthy low-pressure supply so the new high-pressure pump is not damaged on startup.

What you get

• Bosch 0445010817 CP4 high-pressure injection pump
• Brand-new Bosch unit (not reman)
• Fitment: LML/LGH Duramax 2011-2016
• Warranty: 2 Year (as listed)

Specs

• Part number: 0445010817
• Type: CP4 high-pressure injection pump
• Condition: New
• Manufacturer: Bosch
• Reman alternate: 0986437421

Pair with clean filters and a healthy lift pump or tank module so the high-pressure pump is protected. Verify fitment for your truck before ordering.