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Dorman 904-248 Diesel Glow Plug Wiring Harness - Left or Right
| Brand | Dorman 904-248 |
|---|---|
| Position | Left |
| Color | Black |
| Insulator Material | PTFE |
| Length | 22 |
| Package Contents | 1 Harness |
| RFI Suppression | No |
| Terminal Gender | Female |
| Terminal Material | Copper/Steel |
| Universal Or Specific Fit | Specific |
| Wire Core Material | Tinned Copper |
| Wire Gauge Measurement | 14 |
| Fits | Ford · 10 vehicles |
OE-style replacement. Matches the fit and function of the original harness.
PTFE insulation. Helps deliver durable, reliable performance.
Tinned copper wiring. Built with copper and steel terminals for solid conductivity.
Cross-references 4C3Z12A690BA, 261001 and GHPH101 for the same application. See all 4.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Diesel Glow Plug Wiring Harness for Ford Super Duty
Dorman 904-248 is a replacement diesel glow plug wiring harness for specific 2003-2004 Ford Excursion and Ford Super Duty applications. It matches the original harness fit and function, with materials selected for dependable electrical performance in cold-start diesel systems.
Key Features
- Direct replacement glow plug wiring harness for diesel engine secondary ignition systems
- Specific fit for select 2003-2004 Ford Excursion, F-250 Super Duty, and F-350 Super Duty models
- Black PTFE insulation for heat resistance and electrical protection
- 14-gauge tinned copper wire core for stable conductivity
- Female terminals with copper/steel construction
- Four-wire harness layout with a 22-inch length
Detailed Description
This Dorman 904-248 diesel glow plug wiring harness is built to replace a worn, damaged, or electrically unreliable original harness on select Ford diesel trucks and SUVs. It is engineered for specific fitment on 2003 Ford F-250 Super Duty and F-350 Super Duty models built from 8/01/03, plus 2004 Ford Excursion, F-250 Super Duty, and F-350 Super Duty applications built to 1/15/04, including left and right positions where listed. If you are searching for a 2004 Ford F-250 Super Duty glow plug wiring harness or a 2003 Ford F-350 Super Duty diesel harness, this part number 904-248 is the direct replacement to review.
This part cross-references Ford 4C3Z12A690BA for the same application.
What It Helps Address
- Hard cold starts on diesel engines
- Check engine light related to glow plug circuit faults
- Intermittent glow plug electrical connection issues
- Damaged, heat-aged, or brittle factory harness wiring
- Voltage loss caused by worn terminals or degraded insulation
Installation Notes and Tips
Verify the vehicle build date and position before ordering, since fitment varies by side and production cutoff. Confirm the harness routing matches the original layout on your Ford Excursion, F-250 Super Duty, or F-350 Super Duty before installation. Inspect related glow plug connectors and wiring for corrosion or heat damage so the replacement harness can perform as intended.
Quality Assurance
Dorman manufactures this replacement harness to match the fit and function of the original equipment part, using quality materials for durability and reliable performance in diesel starting systems.
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2004 | Ford | Excursion | 6.0L | V8 | DIESEL | Left | To 1/15/04 |
| 2004 | Ford | Excursion | 6.0L | V8 | DIESEL | Right | To 1/15/04 |
| 2004 | Ford | F-250 Super Duty | 6.0L | V8 | DIESEL | Left | To 1/15/04 |
| 2004 | Ford | F-250 Super Duty | 6.0L | V8 | DIESEL | Right | To 1/15/04 |
| 2004 | Ford | F-350 Super Duty | 6.0L | V8 | DIESEL | Left | To 1/15/04 |
| 2004 | Ford | F-350 Super Duty | 6.0L | V8 | DIESEL | Right | To 1/15/04 |
| 2003 | Ford | F-250 Super Duty | — | — | DIESEL | Left | From 8/01/03 |
| 2003 | Ford | F-250 Super Duty | — | — | DIESEL | Right | From 8/01/03 |
| 2003 | Ford | F-350 Super Duty | — | — | DIESEL | Left | From 8/01/03 |
| 2003 | Ford | F-350 Super Duty | — | — | DIESEL | Right | From 8/01/03 |
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