HomeAir and Fuel Delivery > Fuel StorageStandard Ignition GDL504 Fuel Feed Line
Part #: GDL504

Standard Ignition GDL504 Fuel Feed Line

⚙️ 14 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Mazda, 3, CX-7, and 6
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Overview of Standard Ignition Fuel Feed Line GDL504

The Standard Ignition Fuel Feed Line GDL504 is designed for direct fuel injection (GDI) systems in select Mazda vehicles. Engineered to meet OEM specifications, this molded plastic fuel feed line ensures reliable fuel delivery for Mazda 3, Mazda 6, and Mazda CX-7 models.

  • OEM replacement fuel feed line for Mazda 3, 6, and CX-7
  • Compatible with gasoline fuel type and GDI systems
  • Push-on fittings on both ends for secure connections
  • Inner diameter of 0.311 inches (7.89 mm) for precise fuel flow
  • Length of 4.3125 inches (109.54 mm) molded plastic construction
  • Includes two ports for direct fuel injection system compatibility
  • Hardware not included

Detailed Product Description

The Standard Ignition GDL504 fuel feed line is specifically designed for direct injection fuel systems in Mazda vehicles, including the Mazda 3, Mazda 6, and CX-7. Constructed from durable molded plastic, this fuel feed line features push-on fittings on both ends, providing a secure and leak-resistant connection within the fuel storage and delivery system. With an inner diameter of 0.311 inches (7.89 mm) and a length of approximately 4.31 inches (109.54 mm), it maintains proper fuel flow rates required by GDI engines. This part serves as a direct OEM replacement, ensuring compatibility and performance consistent with factory standards.

Common Applications and Issues Addressed

  • Replacement of cracked or leaking fuel feed lines in Mazda GDI systems
  • Resolving fuel delivery interruptions or pressure loss in Mazda 3, 6, and CX-7
  • Addressing fuel line wear due to age or exposure to heat and chemicals
  • Ensuring proper fuel flow for optimal engine performance and emissions control
  • Preventing fuel leaks that could lead to engine stalling or safety hazards

Installation Notes and Tips

  • Ensure the vehicle is cool and fuel system pressure is relieved before installation
  • Verify push-on fittings are fully seated to prevent leaks
  • Inspect surrounding fuel system components for wear or damage during replacement
  • Use appropriate tools to avoid damaging the molded plastic line
  • Consult vehicle service manual for specific fuel system procedures on Mazda 3, 6, and CX-7

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications, providing reliable performance and durability. The GDL504 fuel feed line undergoes rigorous quality control to ensure proper fit and function in compatible Mazda vehicles. While hardware is not included, this part is backed by Standard Ignition's commitment to quality. Please refer to Standard Ignition's warranty policy for detailed coverage information.

BrandStandard Ignition
Part NumberGDL504
Fuel Injection TypeGDI
Fuel TypeGas
O.E.M. ReplacementYes
System TypeDirect

This part fits 14 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2013Mazda32.3LL4N/AFuel Pressure Sensor - Low Pressure
2012Mazda32.3LL4N/AFuel Pressure Sensor - Low Pressure
2012MazdaCX-72.3LL4N/AFuel Pressure Sensor - Low Pressure
2011Mazda32.3LL4N/AFuel Pressure Sensor - Low Pressure
2011MazdaCX-72.3LL4N/AFuel Pressure Sensor - Low Pressure
2010Mazda32.3LL4N/AFuel Pressure Sensor - Low Pressure
2010MazdaCX-72.3LL4N/AFuel Pressure Sensor - Low Pressure
2009Mazda32.3LL4N/AFuel Pressure Sensor - Low Pressure
2009MazdaCX-72.3LL4N/AFuel Pressure Sensor - Low Pressure
2008Mazda32.3LL4N/AFuel Pressure Sensor - Low Pressure
2008MazdaCX-72.3LL4N/AFuel Pressure Sensor - Low Pressure
2007Mazda32.3LL4N/AFuel Pressure Sensor - Low Pressure
2007MazdaCX-72.3LL4N/AFuel Pressure Sensor - Low Pressure
2006Mazda62.3LL4N/AFuel Pressure Sensor - Low Pressure

* 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:

2-34432800-6533FFDL6533L3K91349YBLGD54

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