Delphi Fuel Injection Pump P/N:EX836008
Delphi EX631050 fuel injection pump for the 2004-2005 Chevrolet Silverado 2500 HD V8 6.6L and other vehicles sends pressurized fuel to the injectors. It is built to OE specifications for fit, form and function.
Hard starting, rough running or low power can mean the pump is worn. A clogged fuel filter, a faulty injector or a damaged fuel line can show up the same way, so find out which one is at fault before you buy. Quantity is one pump per engine.
The 2004-2005 Chevrolet Silverado 3500 V8 6.6L and the 2004-2005 GMC Sierra 2500 HD V8 6.6L are among the vehicles this pump fits. Open the Buyer's Guide tab to check your exact model and engine.
Fit and size
Build and materials
One fuel injection pump, one seal and one instruction sheet.
Interchange: CP3-005X · CP3-030X · 800-17521
35525 · 2H101 · DL2232 · 230226 · IP140R · 739103 · 0986437334 · 445020030 · 97303702 · 97303762 · 97780091 · 986437308 · IP22
This part cross-references / interchanges with the following part numbers:
Does the Delphi EX631050 fit the 2004-2005 GMC Sierra 2500 HD V8 6.6L?
Yes. Delphi EX631050 fits the 2004-2005 GMC Sierra 2500 HD V8 6.6L, and it also fits the 2004-2005 Chevrolet Silverado 3500 V8 6.6L.
Does the Delphi diesel injection pump come with a seal?
Yes. The box holds the fuel injection pump, a seal and an instruction sheet.
How is this Delphi diesel pump tested?
Every Delphi EX631050 pump is tested at end of line, 100% of units, to OE specifications using OE methodologies.
Can the Delphi injection pump replace a unit numbered 0986437334?
Yes. 0986437334 is one of the numbers this pump replaces, and it is printed on the Interchange line.
Is it safe to keep driving with a failing fuel injection pump?
No. Have a failing pump checked or replaced promptly rather than driving on it.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.