Gates
High Pressure Fuel Line

Gates GDI123 Fuel Line

Brand Gates GDI123
Material Steel
Length 3.63
Length 92
Grade Type Oe performance
Inlet Fitting Type Threaded
Outlet Fitting Type Threaded
Contents High pressure fuel line
Type Fuel feed line
Product line High Pressure Fuel Line
Fits Buick, Cadillac, and Chevrolet · 59 vehicles

OE specification replacement. Engineered to match original fit and performance requirements.

Steel construction. Built for high pressure fuel system service with threaded connections.

OE Performance grade. A fuel feed line made for precise direct injection applications.

Cross-references Gates GDI123, 12647367 and 12673714 for the same application. See all 7.

$71.67Free shipping
In stock · usually ships same day before 1pm CST
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Free returns within 60 days if it doesn't fit when fitment is verified.

High Pressure Fuel Line Overview

The Gates GDI123 is a high pressure fuel line engineered to OE specifications for direct replacement use in fuel injection systems. It is built for applications that require threaded inlet and outlet connections, steel construction, and OE performance characteristics.

Key Features

  • OE specification replacement fuel injector line
  • Steel construction for fuel system service
  • Threaded inlet and outlet fittings
  • OE Performance grade
  • High pressure fuel feed line design

Detailed Description

Gates GDI123 is a fuel line replacement part for vehicles equipped with direct injection fuel system plumbing. The line is designed to match the fit and performance of the original fuel injector line, with a 3.63-inch length and threaded connections at both ends. As part of Gates High Pressure Fuel Line product line, it is intended for precise fuel delivery service where OE-style dimensions and connection style matter. This part cross-references GM applications such as 12647367 and 12673714 for the same application.

Compatible with Cadillac CT5, XT5, XT6, CT6, ATS, and CTS, as well as Chevrolet Blazer, Camaro, Colorado, and Buick Regal Sportback and LaCrosse applications. The Gates GDI123 is a fitment-based solution for high pressure fuel line replacement on these platforms, including the Cadillac CT5 and Chevrolet Camaro.

What It Is Used For

  • Replacing a damaged or leaking high pressure fuel line
  • Restoring proper fuel delivery in direct injection systems
  • Addressing threaded connection wear or fitment mismatch
  • Correcting fuel line service issues on OE-style applications

Installation Notes and Tips

Verify the vehicle application, fuel system configuration, and connection style before installation. Confirm that the threaded inlet and outlet fittings match the original line and inspect adjacent fuel system components for wear or contamination during service. Use the exact part number GDI123 to confirm application coverage before ordering.

Quality Assurance

Gates replacement fuel injector lines are engineered to OE specifications to match original fit and performance requirements. Part number GDI123 is built as an OE Performance fuel line for application-specific replacement service.

This part fits 59 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersFuel TypeNotes
2026CadillacCT53.0LV6GASHigh Pressure Fuel Line
2026CadillacXT53.6LV6GASHigh Pressure Fuel Line
2025CadillacCT53.0LV6GASHigh Pressure Fuel Line
2025CadillacXT53.6LV6GASHigh Pressure Fuel Line
2025CadillacXT63.6LV6GASHigh Pressure Fuel Line
2025ChevroletBlazer3.6LV6GASHigh Pressure Fuel Line
2024CadillacCT53.0LV6GASHigh Pressure Fuel Line
2024CadillacXT53.6LV6GASHigh Pressure Fuel Line
2024CadillacXT63.6LV6GASHigh Pressure Fuel Line
2024ChevroletBlazer3.6LV6GASHigh Pressure Fuel Line
2024ChevroletCamaro3.6LV6GASHigh Pressure Fuel Line
2023CadillacCT53.0LV6GASHigh Pressure Fuel Line
2023CadillacXT53.6LV6GASHigh Pressure Fuel Line
2023CadillacXT63.6LV6GASHigh Pressure Fuel Line
2023ChevroletBlazer3.6LV6GASHigh Pressure Fuel Line
2023ChevroletCamaro3.6LV6GASHigh Pressure Fuel Line
2022CadillacCT53.0LV6GASHigh Pressure Fuel Line
2022CadillacXT53.6LV6GASHigh Pressure Fuel Line
2022CadillacXT63.6LV6GASHigh Pressure Fuel Line
2022ChevroletBlazer3.6LV6GASHigh Pressure Fuel Line
2022ChevroletCamaro3.6LV6GASHigh Pressure Fuel Line
2022ChevroletColorado3.6LV6GASHigh Pressure Fuel Line
2021CadillacCT53.0LV6GASHigh Pressure Fuel Line
2021CadillacXT53.6LV6GASHigh Pressure Fuel Line
2021CadillacXT63.6LV6GASHigh Pressure Fuel Line
2021ChevroletBlazer3.6LV6GASHigh Pressure Fuel Line
2021ChevroletCamaro3.6LV6GASHigh Pressure Fuel Line
2020BuickRegal Sportback3.6LV6GASHigh Pressure Fuel Line
2020CadillacCT53.0LV6GASHigh Pressure Fuel Line
2020CadillacCT63.6LV6GASHigh Pressure Fuel Line
2020CadillacXT53.6LV6GASHigh Pressure Fuel Line
2020CadillacXT63.6LV6GASHigh Pressure Fuel Line
2020ChevroletBlazer3.6LV6GASHigh Pressure Fuel Line
2020ChevroletCamaro3.6LV6GASHigh Pressure Fuel Line
2019BuickLaCrosse3.6LV6GASHigh Pressure Fuel Line
2019BuickRegal Sportback3.6LV6GASHigh Pressure Fuel Line
2019CadillacATS3.6LV6GASHigh Pressure Fuel Line
2019CadillacCT63.0LV6GASHigh Pressure Fuel Line
2019CadillacCTS3.6LV6GASHigh Pressure Fuel Line
2019CadillacXT53.6LV6GASHigh Pressure Fuel Line
2019ChevroletBlazer3.6LV6GASHigh Pressure Fuel Line
2019ChevroletCamaro3.6LV6GASHigh Pressure Fuel Line
2018BuickLaCrosse3.6LV6GASHigh Pressure Fuel Line
2018BuickRegal Sportback3.6LV6GASHigh Pressure Fuel Line
2018CadillacATS3.6LV6GASHigh Pressure Fuel Line
2018CadillacCT63.0LV6GASHigh Pressure Fuel Line
2018CadillacCTS3.6LV6GASHigh Pressure Fuel Line
2018CadillacXT53.6LV6GASHigh Pressure Fuel Line
2018ChevroletCamaro3.6LV6GASHigh Pressure Fuel Line
2017BuickLaCrosse3.6LV6GASHigh Pressure Fuel Line
2017CadillacATS3.6LV6GASHigh Pressure Fuel Line
2017CadillacCT63.0LV6GASHigh Pressure Fuel Line
2017CadillacCTS3.6LV6GASHigh Pressure Fuel Line
2017CadillacXT53.6LV6GASHigh Pressure Fuel Line
2017ChevroletCamaro3.6LV6GASHigh Pressure Fuel Line
2016CadillacATS3.6LV6GASHigh Pressure Fuel Line
2016CadillacCT63.0LV6GASHigh Pressure Fuel Line
2016CadillacCTS3.6LV6GASHigh Pressure Fuel Line
2016ChevroletCamaro3.6LV6GASHigh Pressure Fuel Line
Directly replaces or cross-references 7 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Gates — GDI123126473671267371412679572126806071268319712695903