SuperCab 4x4 6.5-foot Flareside box, 139-inch wheelbase · 5.4-liter natural-gas V8

2003 Ford F-150 XL SuperCab 4x4 6.5-foot Flareside box — 5.4-liter natural-gas V8


Ford's 2003 brochure and specification matrix lists this XL chassis and powertrain. Cab, wheelbase, drivetrain, engine, transmission, appearance-package, alternative-fuel, and performance-model restrictions are preserved rather than cross-multiplied.

2003 Ford F-150 lightning pickup truck, front three-quarter view
Exact 2003 F-150 reference photograph; exact configuration not verified ·

Photo: “2003 Ford F150 Lightning (16868937720).jpg” by Kieran White from Manchester, England / Wikimedia Commons, licensed under CC BY 2.0. Cropped to 16:9.

Factory configuration

What this model is

Trim
XL
Body style
SuperCab 4x4 6.5-foot Flareside box, 139-inch wheelbase
Engine
5.4-liter natural-gas V8
Transmission
4-speed automatic

Configuration-specific ownership

Maintenance for this exact configuration

These items are filtered to the engine, transmission, trim, and model-year applicability recorded for this configuration. Broad Amazon category searches are suppressed here; shopping links appear only beside catalog-backed part numbers.

Service desk

What this car needs & when

Use this as a service-planning checklist for 2003 Ford F-150 XL SuperCab 4x4 6.5-foot Flareside box — 5.4-liter natural-gas V8. Start with the interval, confirm which engine or configuration you have, then use an exact ordering reference when one is verified.

Service topics
3
Factory intervals
3
Fitment-scoped
3
Exact references
1

Before orderingIdentify your engine, options and build date.Part numbers and sizes can change within one model year. Shopping links appear only for catalog-backed references; still verify the listing against your vehicle before ordering.

  • Engine oil and filter

    Exact reference available

    Applies to: 2003 · United States

    Published interval: 5,000 mi / 6 months · Normal schedule, whichever comes first.

    Source: Ford — 2003 F-150 Owner's Guide, third edition · Motorcraft Part Numbers table — engine columns and spark-plug footnotes · checked

    5.4-liter bi-fuel gasoline and LPG V8, 5.4-liter natural-gas V8

    Baldwin B329

    Applies to: 2003 · 5.4-liter bi-fuel gasoline and LPG V8, 5.4-liter natural-gas V8 · United States

    Source: Parker/Baldwin Automotive Applications — 2003 F-150 engine-filter table · Ford 2003, F-150 engine rows, PDF page 295 — lube-filter column · checked

    Verified ordering references

  • Engine air filter

    Sourced interval available

    Applies to: 2003 · United States

    Published interval: 30,000 mi · Normal schedule; dusty operation requires more frequent service.

    Source: Ford — 2003 F-150 Owner's Guide, third edition · Motorcraft Part Numbers table — engine columns and spark-plug footnotes · checked

  • Spark plugs

    Sourced interval available

    Applies to: 2003 · United States

    Published interval: 100,000 mi · Gasoline engines under the normal schedule.

    Source: Ford — 2003 F-150 Owner's Guide, third edition · Motorcraft Part Numbers table — engine columns and spark-plug footnotes · checked

Sources

  1. Ford Division — 2003 F-150 brochure and specification matrix (preserved PDF)

Other 2003 configurations

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