1976 Lincoln Mark IV Bulb Size Chart

Bulb sizes may vary by trim, factory lighting package, region, production date, and previous modifications. Verify the bulb number on your existing bulb before buying.

Last database update: May 2026. Manual review status: Not yet manually reviewed.

Verify before buying: check the bulb number printed on your existing bulb, confirm your trim and factory lighting package, and review the seller's fitment notes.

Disclosure: We may earn a commission from links marked Affiliate. Unmarked retailer links may be plain search links. Always verify bulb fitment before purchasing.

1976 Lincoln Mark IV Bulb Size Chart

Position	Bulb Code	Aliases	Trim / Package	Factory Type	Confidence	Review	Notes	Shop
Side Marker	194	—	Standard listing	Halogen	Medium	Pending	Verify trim, factory lighting package, and the bulb number on the existing bulb.	Amazon
High Beam	H5001	—	Standard listing	Halogen	High	Pending	Verify trim, factory lighting package, and the bulb number on the existing bulb.	Amazon
Low Beam	H5006	—	Standard listing	Halogen	High	Pending	Verify trim, factory lighting package, and the bulb number on the existing bulb.	Amazon
Turn Signal Front	1157A	—	Standard listing	Halogen	High	Pending	Verify trim, factory lighting package, and the bulb number on the existing bulb.	Amazon
Parking Light	1157A	—	Standard listing	Halogen	Medium	Pending	Verify trim, factory lighting package, and the bulb number on the existing bulb.	Amazon
Reverse Light	1156	—	Standard listing	Halogen	Medium	Pending	Verify trim, factory lighting package, and the bulb number on the existing bulb.	Amazon
Brake Light	1157	—	Standard listing	Halogen	High	Pending	Verify trim, factory lighting package, and the bulb number on the existing bulb.	Amazon
Turn Signal Rear	1157	—	Standard listing	Halogen	High	Pending	Verify trim, factory lighting package, and the bulb number on the existing bulb.	Amazon
Tail Light	1157	—	Standard listing	Halogen	High	Pending	Verify trim, factory lighting package, and the bulb number on the existing bulb.	Amazon

1976 Lincoln Mark IV Fitment Notes

Our database shows the same listed bulb sizes for the Lincoln Mark IV across the 1972 to 1976 range. Still verify your trim, lighting package, and the bulb number in the housing before buying.

Known fitment limitations

factory HID or LED packages may use different parts
fog lights may depend on equipment package
aftermarket headlight assemblies may use different bulbs
regional models and production-date splits may differ

See an incorrect bulb size? Submit a correction.

How do the 1976 Lincoln Mark IV's bulbs compare to other years?

The 1976 Lincoln Mark IV changed bulb sizes from 1975. The previous model year used a different configuration.

This bulb configuration covers the 1976 model years. ← 1975

Finding the best installation guide...

Other Mark IV Years

1975 1974 1973 1972

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Frequently Asked Questions

Our database lists H5006 for the 1976 Lincoln Mark IV low beam headlights. Verify the bulb number on your existing bulb and confirm your trim or factory lighting package before buying.

Our database lists H5001 for the 1976 Lincoln Mark IV high beam position. Some vehicles vary by trim, lighting package, or previous housing changes.

Dim headlights on a 1976 Lincoln Mark IV can come from aging halogen bulbs, cloudy lenses, weak electrical connections, or an incorrect bulb. Confirm the listed H5006 size against the bulb in the housing before choosing a replacement or upgrade.

The 1976 Lincoln Mark IV does not have a fog light bulb listed in our current database. If your vehicle has fog lights, verify the bulb in the housing or owner's manual before buying.

The 1976 Lincoln Mark IV uses a dual bulb headlight system. This means you have separate bulbs for high and low beams.

LED upgrades are available for many H5006 applications, but fitment, beam pattern, dashboard warnings, and road-use legality can vary. Use products that list your exact bulb family, such as H5006, and verify the factory housing before buying.

Yes — the 1976 Lincoln Mark IV uses different bulb sizes than the 1975 model. The 1976 generation introduced this bulb configuration.

The 1976 Lincoln Mark IV is the only year in the 1976 generation to use the H5006 bulb for the low beam headlight.

Access varies by engine bay layout and headlight housing. Before disassembly, confirm the listed H5006 low beam size on the existing bulb or owner's manual, then follow the service procedure for your exact trim.

Rules for LED headlight retrofits vary by location and by housing type. Avoid products that create glare or lack road-use compliance claims, and check local requirements before using an LED conversion on public roads.

Replacement cost depends on bulb technology, brand, and labor access. Common halogen H5006 replacements are usually cheaper than LED conversion kits. Check seller fitment notes before comparing prices.

Halogen bulbs and LED replacements differ in output, heat behavior, beam pattern, and electronics. A correct bulb code does not guarantee a correct LED beam pattern, so verify physical fit and seller compatibility notes for the 1976 Lincoln Mark IV.

1976 Lincoln Mark IV Bulb Size Chart

1976 Lincoln Mark IV Bulb Size Chart

1976 Lincoln Mark IV Fitment Notes

How do the 1976 Lincoln Mark IV's bulbs compare to other years?

Other Mark IV Years

More from Lincoln

Other Vehicles That Use H5006 Bulbs

Frequently Asked Questions

What is the low beam headlight bulb size for a 1976 Lincoln Mark IV?

What is the high beam headlight bulb size for a 1976 Lincoln Mark IV?

Why are my 1976 Lincoln Mark IV headlights dim?

Which bulb fits the 1976 Lincoln Mark IV fog light?

Is the 1976 Lincoln Mark IV single or dual beam?

Can I install LED bulbs on my 1976 Lincoln Mark IV?

Did the 1976 Lincoln Mark IV change headlight bulb sizes from the previous year?

Is the 1976 Lincoln Mark IV the first or last year to use H5006 bulbs?

How do I change the headlight on a 1976 Lincoln Mark IV?

Are LED headlights legal for a 1976 Lincoln Mark IV?

How much does it cost to replace 1976 Lincoln Mark IV headlights?

What is the difference between halogen and LED for a 1976 Lincoln Mark IV?