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Delphi HM10129 Direct Injection High Pressure Fuel Pump GDi Replacement - OE

(2016-2019 Cadillac ATS V; 1997-2001 Lexus ES300 Base)

Part of: Delphi Direct Injection High Pressure Fuel Pump GDi Replacement

Other options in this family: Delphi HM10102 Delphi HM10174 Delphi HM10103 Delphi HM10099 Delphi HM10104

Manufacturer

Picture for manufacturer Delphi

Part Number

HM10129
8 reviews
Sale Price

$240.73

3 left at this price

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Usually delivered within 2 days

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No Hassle Returns

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Live-in-stock inventory

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Fitment guaranteed

Fitment guaranteed

Product Details

The Delphi HM10129 is a direct replacement Gasoline Direct Injection (GDi) high-pressure fuel pump engineered to meet or exceed original equipment specifications. As a leading Tier 1 OE supplier of GDi systems to global automakers, Delphi brings over 100 years of OE heritage and manufacturing expertise directly into this aftermarket part, ensuring confidence in fit, form, and function.

GDi high-pressure fuel pumps are a critical component of modern direct injection engines, responsible for pressurizing fuel before delivery to the high-pressure injectors and fuel rail. A failing GDi pump can cause hard starts, rough idle, misfires, and reduced engine performance — making a quality replacement essential.

Key Features:

  • Built to OE design specifications using the same technology Delphi supplies to top global automakers
  • Validated, tested, and matched to the correct vehicle application for confident fitment
  • Latest-generation GDi technology engineered for consistent high-pressure fuel delivery
  • Designed to restore proper fuel pressure, engine performance, and fuel efficiency
  • Manufactured under stringent quality standards with rigorous endurance testing
  • Part of Delphi's comprehensive GDi service program, backed by OE tools and technical support

The Delphi HM10129 is a direct-fit GDi high-pressure fuel pump (HPFP) designed for straightforward installation. For best results, inspect the fuel system for contamination before installation and replace any related seals or gaskets as needed.

Products specifications

Fits

2016-2019 Cadillac ATS V; 1997-2001 Lexus ES300 Base

Package Contents

Direct Injection High Pressure Fuel Pump, Bolts, Gasket, Instruction Sheet

Prop 65

WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or reproductive harm. For more information go to www.P65Warnings.ca.gov.

Inlet Fitting Thread Size

M14-1.5

Outlet Fitting Thread Size

M14-1.5

Housing Material

Metal

Housing Color

Silver

Terminal Type

Blade

Terminal Gender

MALE

Mounting Hardware Included

Yes

Gasket Or Seal Included

Yes

Terminal Quantity

2

Outlet Quantity

2

In Tank or External

External

Outlet Type

Threaded

Fuel Type

Gas

Drive Shaft Included

No

Wiring Harness Included

No

Inlet Type

Threaded

Pump Type

Mechanical

Item Grade

Standard Replacement

Ordering was very streamlined!

Great

great

Quick and easy checkout

Very easy sight to maneuver thru

It was great

Good experience - maybe my phone service contributed to a glitch or two.

Great!

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