Standard Ignition DFIP9 Diesel Exhaust Fluid (DEF) Pump

DEF Pump for GM HD Diesel Applications

Standard Ignition DFIP9 is a Diesel Exhaust Fluid (DEF) pump built for select Chevrolet Silverado 2500 HD and 3500 HD, plus GMC Sierra 2500 HD and 3500 HD diesel applications. It is specified with a 1-port design, a 16-terminal female blade connector, a seal included, and mounting hardware included for service replacement work.

Key Features

• Diesel Exhaust Fluid (DEF) pump for emission control service
• 1-port configuration
• 16-terminal female blade connection
• Seal included for the pump assembly
• Mounting hardware included
• Direct fit for select Chevrolet Silverado HD and GMC Sierra HD diesel models

Detailed Description

The Standard Ignition DFIP9 is a replacement DEF pump for emission system repair on compatible GM heavy-duty diesel trucks. It is used on 2017-2023 Chevrolet Silverado 2500 HD and Silverado 3500 HD, as well as 2017-2023 GMC Sierra 2500 HD and 2017-2019 GMC Sierra 3500 HD and 2023 GMC Sierra 3500 HD applications. If you are searching for a DEF pump for 2017-2023 Chevrolet Silverado 2500 HD, a DEF pump for GMC Sierra 2500 HD diesel models, or a replacement DEF pump for 2023 GMC Sierra 3500 HD, DFIP9 is the matching service part to review.

This part cross-references Spectra Premium EM1216DSP for the same application.

What It Helps Fix

• DEF pump failure codes
• Low or inconsistent DEF delivery
• Emission system warning lights related to DEF supply
• Starting or drivability issues tied to DEF system faults
• Leaks at the pump seal area

Installation Notes and Tips

Verify connector style, terminal count, and port configuration before installation. The DFIP9 uses a female blade terminal layout with 16 terminals, so matching the electrical connection is important during diagnosis and replacement. Confirm vehicle year and model against the listed fitment for Chevrolet Silverado HD and GMC Sierra HD diesel trucks before service.

Quality Assurance

Standard Ignition supplies emission control components for service replacement applications. DFIP9 is built with a seal included and mounting hardware included to support a complete pump replacement on the listed GM heavy-duty diesel vehicles.