HomeAir and Fuel Delivery > Fuel Pumps and Related ComponentsDelphi HM10103 Direct Injection High Pressure Fuel Pump
Part #: HM10103

Delphi HM10103 Direct Injection High Pressure Fuel Pump

⚙️ 11 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$285.52Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Porsche, Cayenne, Macan, and Panamera
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Delphi HM10103 Direct Injection High Pressure Fuel Pump

The Delphi HM10103 is a mechanical direct injection high pressure fuel pump designed for select Porsche models. Engineered for external mounting, this fuel pump supports gas fuel systems and is compatible with Porsche Cayenne, Macan, and Panamera vehicles.

  • Inlet outside diameter: 0.313 inches
  • Fuel type: Gasoline
  • Terminal type: Blade with 2 male terminals
  • Mounting hardware: Not included
  • Gasket or seal: Included for secure installation
  • Housing material: Durable metal with silver finish
  • Inlet type: Quick connect
  • Outlet type: Threaded with two outlets
  • Outlet fitting thread size: M14-1.5
  • External pump design
  • Mechanical pump type
  • Standard replacement grade
  • Package includes pump and instruction sheet

Technical Details and Compatibility

The Delphi HM10103 fuel pump is specifically designed for external installation on Porsche Cayenne, Macan, and Panamera models requiring a mechanical direct injection high pressure fuel pump. Its metal housing ensures durability and heat resistance, while the silver color provides corrosion protection. The pump features a quick connect inlet and two threaded outlets with M14-1.5 fitting threads, facilitating secure fuel line connections. The blade-type terminals with two male connectors support reliable electrical connections. This pump is intended for gasoline fuel systems and does not include mounting hardware or a wiring harness, but it does come with a gasket or seal to ensure a proper fit and prevent leaks.

Applications and Problem Resolution

This Delphi direct injection high pressure fuel pump is used to maintain consistent fuel pressure in the fuel delivery system of compatible Porsche vehicles. It addresses several common issues, including:

  • Inconsistent or low fuel pressure affecting engine performance
  • Fuel pump failure causing engine stalling or no-start conditions
  • Leaks due to worn or missing seals
  • Electrical connection problems from damaged terminals
  • Wear and tear from prolonged use in high-pressure fuel systems

Installation Notes and Tips

When installing the Delphi HM10103 fuel pump, ensure the following:

  • Verify compatibility with your Porsche Cayenne, Macan, or Panamera model year and engine type
  • Use the included gasket or seal to prevent fuel leaks
  • Securely connect the quick connect inlet and threaded outlets with proper fittings
  • Confirm blade terminal connections are clean and properly seated
  • Note that mounting hardware and wiring harness are not included and must be sourced separately

Quality Assurance and Warranty

Delphi manufactures the HM10103 fuel pump to meet standard replacement grade specifications, ensuring reliable performance and durability. The metal housing and included gasket contribute to long service life. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.

BrandDelphi
Part NumberHM10103
Drive Shaft IncludedNo
Fuel TypeGas
Gasket Or Seal IncludedYes
Housing ColorSilver
Housing MaterialMetal
In Tank or ExternalExternal
Inlet Outside Diameter0.313
Inlet TypeQuick Connect
Item GradeStandard Replacement
Mounting Hardware IncludedNo
Outlet Fitting Thread SizeM14-1.5
Outlet Quantity2
Outlet TypeThreaded
Package ContentsDirect Injection High Pressure Fuel Pump, Instruction Sheet
Pump TypeMechanical
Terminal GenderMale
Terminal Quantity2
Terminal TypeBlade
Wiring Harness IncludedNo

This part fits 11 vehicles. Search below:

YearMakeModelSubmodelFuel TypePositionNotes
2018PorscheCayenneN/A
2018PorscheMacanN/A
2017PorscheCayenneGTSN/A
2017PorscheMacanN/A
2016PorscheCayenneN/A
2016PorscheMacanN/A
2016PorschePanameraGASN/A
2015PorscheCayenneN/A
2015PorscheMacanN/A
2015PorschePanameraGASN/A
2014PorschePanameraGASN/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

946 110 315 60946 110 315 61CHM10103

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.