1978-1979 Ford F-150 Rectangular H4 Sealed-Beam Conversion
This is aftermarket part, not OEM or OE.
Need fitment help? Call us before ordering.
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1978-1979 Ford F-150 Rectangular H4 Sealed-Beam Conversion
This conversion is confirmed for 1978-1979 Ford F-150 trucks equipped with factory rectangular sealed-beam headlights. The housings accept replaceable H4 bulbs and are not listed for round-headlight trucks.
Exact Vehicle Fitment
- 1978-1979 Ford F-150
- Factory rectangular sealed-beam headlights only
- Excludes round sealed-beam headlights
- Not confirmed for 1980-1986 applications despite the legacy URL wording
Verify the model year, lamp dimensions and rectangular configuration before ordering.
Product Style and Components
- Rectangular sealed-beam conversion housings
- Replaceable H4 bulbs
- Metal housings with glass lenses
- 12-volt standard H4 connector
Included Components
- Headlight conversion housings for the confirmed application
- H4 light bulbs
Installation Notes
Installation generally involves removing the original rectangular sealed-beam units, connecting the H4 wiring and securing the conversion housings. The estimated time is 30-90 minutes. Compare all dimensions and mounting points before installation, and check headlight aim afterward.
Frequently Asked Questions
Does this fit a 1980-1986 F-150?
No confirmed fitment is documented for those years; the current fitment note supports 1978-1979 only.
Will it fit round headlights?
No. The confirmed application requires factory rectangular sealed-beam headlights.
Are H4 bulbs included?
Yes. The current product information lists H4 bulbs with the conversion housings.
What should I verify before ordering?
Confirm the model year, rectangular lamp dimensions, mounting layout and wiring connector.
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Aftermarket Product Notice
This is an aftermarket lighting conversion. Ford and F-150 names are used only to identify compatibility. Verify the confirmed 1978-1979 rectangular sealed-beam configuration before purchase. The buyer is responsible for proper installation, alignment and lighting compliance.