Delphi HM10154 Direct Injection High Pressure Fuel Pump

Delphi HM10154 High Pressure Fuel Pump

Delphi HM10154 is a direct injection high pressure fuel pump for gasoline applications. Built as a standard replacement unit with a metal housing, threaded outlet, quick-connect inlet, and included gasket/seal, it supports precise fuel delivery for GDi systems. This Delphi fuel pump is listed for select Cadillac, Chevrolet, Buick, and GMC vehicles, including Camaro, CT5, XT5, and Colorado applications.

Key Features

• Direct injection high pressure fuel pump for gas engines
• Standard replacement grade for service repairs
• Metal housing with silver finish
• Quick-connect inlet and threaded outlet
• 2-terminal blade connection with male connector
• Mounting hardware included
• Gasket or seal included
• Package contents: fuel pump and instruction sheet

Detailed Description

The Delphi HM10154 is engineered for gasoline direct injection service where accurate high-pressure fuel delivery is required. Delphi supplies OE-level GDi technology to global OEMs and supports technicians with GDi training resources and technical assistance. This part number, HM10154, is a direct injection high pressure fuel pump built for external engine mounting and mechanical pump operation, with a 38 flow rate specification and a 1-inlet/1-outlet layout.

Compatible With select 2016-2021 Cadillac CT6, ATS, CTS, XT5, CT5, 2017-2021 Chevrolet Colorado, Camaro, 2019-2021 Chevrolet Blazer, 2017-2021 GMC Acadia, Canyon, and 2017-2020 Buick LaCrosse and Regal Sportback applications. This part cross-references GM OE numbers 12647366 and 12673141 for the same application.

What This Fuel Pump Helps Address

• Hard starting caused by insufficient high-pressure fuel delivery
• Fuel pressure loss in gasoline direct injection systems
• Rough running or hesitation under load
• Driveability issues tied to worn mechanical high-pressure pump components
• Service replacement needs on GDi-equipped Cadillac, Chevrolet, Buick, and GMC vehicles

Installation Notes and Tips

Verify engine code, fuel system configuration, and OE part number before installation. The Delphi HM10154 uses a quick-connect inlet, threaded outlet, and 2-terminal blade connector, so confirm line and connector match before service. Replace the included gasket or seal during installation and follow the vehicle service procedure for fuel system depressurization and priming. Use clean fuel system practices to avoid contamination in the high-pressure circuit.

Quality Assurance

Delphi is a Tier 1 supplier of gasoline direct injection systems to global OEMs, and this pump is built to OE technology standards for service replacement use. Delphi also supports GDi service with technician training and technical hotline resources.