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Standard Ignition GDL503 Fuel Feed Line
| Brand | Standard Ignition GDL503 |
|---|---|
| Fuel Injection Type | GDI |
| Fuel Type | Gas |
| O.E.M. Replacement | Yes |
| System Type | Direct |
| Fits | Mazda · 14 vehicles |
O.E. exact replacement. Direct fuel feed line with a precise fit and proper function.
Metal construction. Durable material stands up to demanding fuel system use.
Fittings included. Ready for installation with both end connections provided.
Cross-references Standard Ignition GDL503, 2-34431 and 800-6532 for the same application. See all 6.
OE Fuel Feed Line for Direct Injection
Standard Ignition GDL503 is an O.E. exact replacement fuel feed line for direct gas fuel systems with GDI applications. Built from metal with the correct screw-on and bolt-on end fittings, it is made for service on select Mazda models that use a direct fuel delivery layout.
For Mazda 3, Mazda CX-7, and Mazda 6 applications, this fuel feed line supports the high-pressure fuel path with the proper 14MM x 1.50 threaded connection and OE-style port layout. The Standard Ignition GDL503 is a direct replacement choice when the original line is damaged, leaking, or no longer sealing correctly.
Key Features
- O.E. exact replacement fuel feed line
- Designed for gas direct injection (GDI) fuel systems
- Metal construction for fuel delivery service
- End 1: screw-on, 14MM x 1.50 thread size
- End 2: bolt-on fitting
- Fuel delivery type: gas
- Direct system type with 2 ports
- Fits select Mazda 3, Mazda CX-7, and Mazda 6 applications
Detailed Description
Standard Ignition GDL503 is built to match OE specifications for direct fuel system service. Its 4.3125-inch overall length, 0.152-inch inner diameter, and metal body support proper routing and connection in GDI fuel delivery setups. This part cross-references 2-34431 and LGD53 for the same application.
Use this fuel feed line when servicing a direct-injection fuel path on 2006-2013 Mazda 3, 2007-2012 Mazda CX-7, and 2006 Mazda 6 vehicles. Standard Ignition GDL503 is a practical OE replacement when the original line shows wear, corrosion, or connection issues.
Common Issues This Part Can Address
- Fuel seepage at the line connection
- Corrosion or damage to the original metal feed line
- Improper sealing at the threaded or bolt-on end
- Restricted fuel delivery through a worn line
- Service replacement for a damaged direct fuel line on Mazda 3, Mazda CX-7, or Mazda 6
Installation Notes and Tips
Confirm the end 1 14MM x 1.50 thread size and bolt-on end 2 configuration before installation. Verify the vehicle’s direct fuel system layout and inspect mating surfaces for damage or contamination before connecting the new line. Because this is an OE-style fuel component, proper alignment and sealing are important for leak-free operation.
Quality Assurance
Standard Ignition supplies OE replacement components built to match original fit and function requirements for service applications. GDL503 is specified as an O.E. exact replacement part for direct fuel delivery systems.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2013 | Mazda | 3 | 2.3L | L4 | N/A | High pressure A/C compressor cut-out switch harness connector. |
| 2012 | Mazda | 3 | 2.3L | L4 | N/A | High pressure A/C compressor cut-out switch harness connector. |
| 2012 | Mazda | CX-7 | 2.3L | L4 | N/A | High pressure A/C compressor cut-out switch harness connector. |
| 2011 | Mazda | 3 | 2.3L | L4 | N/A | High pressure A/C compressor cut-out switch harness connector. |
| 2011 | Mazda | CX-7 | 2.3L | L4 | N/A | High pressure A/C compressor cut-out switch harness connector. |
| 2010 | Mazda | 3 | 2.3L | L4 | N/A | High pressure A/C compressor cut-out switch harness connector. |
| 2010 | Mazda | CX-7 | 2.3L | L4 | N/A | High pressure A/C compressor cut-out switch harness connector. |
| 2009 | Mazda | 3 | 2.3L | L4 | N/A | High pressure A/C compressor cut-out switch harness connector. |
| 2009 | Mazda | CX-7 | 2.3L | L4 | N/A | High pressure A/C compressor cut-out switch harness connector. |
| 2008 | Mazda | 3 | 2.3L | L4 | N/A | High pressure A/C compressor cut-out switch harness connector. |
| 2008 | Mazda | CX-7 | 2.3L | L4 | N/A | High pressure A/C compressor cut-out switch harness connector. |
| 2007 | Mazda | 3 | 2.3L | L4 | N/A | High pressure A/C compressor cut-out switch harness connector. |
| 2007 | Mazda | CX-7 | 2.3L | L4 | N/A | High pressure A/C compressor cut-out switch harness connector. |
| 2006 | Mazda | 6 | 2.3L | L4 | N/A | High pressure A/C compressor cut-out switch harness connector. |
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