Limited trim (2021 models built before December 2020) · LED projector

2021 Hyundai Elantra Headlight Bulbs & Lighting Guide

Choose the factory headlight system below to see the correct bulb and recommendation path for this 2021 Hyundai Elantra.

Source-listed fitment data supplied by CarBulbGuide. Confirm the installed bulbs and configuration before ordering.

Low beam
Integrated LED
High beam
Integrated LED
Factory setup
Limited trim (2021 models built before December 2020) · LED projector
8.4/10BulbFacts OE Visibility Score
Factory performanceStrong Factory Lighting

Choose the factory system installed in this vehicle. Bulb sizes and recommendations change with that selection.

2021 Hyundai Elantra factory headlights vehicle image

How the factory headlights perform

This vehicle has more than one documented factory system. Use the selector above to match the trim or package where available.

Strong Factory Lighting

Usually no upgrade needed; confirm the exact trim and keep lenses clean and properly maintained.

Peak low-beam reach
361 ft
Compared with tested Cars, Sedans & Hatchbacks77th percentile
Compared with all tested vehicles74th percentile
Peak high-beam reach
586 ft
Compared with tested Cars, Sedans & Hatchbacks95th percentile
Compared with all tested vehicles95th percentile
Curve visibility
12.6 / 15
Glare control
10 / 10No recorded low-beam glare exceedance
High-beam assist
Yes
Curve-adaptive lighting
No

Performance varies by factory headlight system or trim. Confirm the installed configuration above.

Factory system guidance

Integrated LED headlights are not conventional replaceable-bulb systems. The performance results above describe the selected factory configuration.

Limited trim (2021 models built before December 2020) · LED projector

Low beam: Integrated LED · High beam: Integrated LED

Keep the factory system

The main headlights use integrated factory LEDs, not conventional replaceable bulbs. Diagnose aim, wiring, modules, moisture, and the assembly before ordering service parts by VIN.

Other bulbs

Available exterior and interior lighting data for this model year.

Brake Light
1157Verify installed bulb
Cargo / Trunk Light
DE3175Possible fitment — verify installed bulb
Center High Mount Stop Light
1156Possible fitment — verify installed bulb
Dome Light
DE3175Possible fitment — verify installed bulb
Front Side Marker
T10Possible fitment — verify installed bulb
Front Turn Signal
BAU15SPossible fitment — verify installed bulb
License Plate Light
T10Possible fitment — verify installed bulb
Map Light
T15Possible fitment — verify installed bulb
Parking Light
BAU15SPossible fitment — verify installed bulb
Rear Side Marker
T10Possible fitment — verify installed bulb
Rear Turn Signal
1157Verify installed bulb
Reverse Light
T15Possible fitment — verify installed bulb
Side Marker (Unqualified)
T10Possible fitment — verify installed bulb
Tail Light
1157Possible fitment — verify installed bulb
Vanity Mirror Light
6418Possible fitment — verify installed bulb
Technical details and sources

Confirm the installed bulb, connector, housing, and factory system before ordering.

PositionBulb or systemFitment status
High/Low Beam CombinedFactory system not specified9005 / HB3Possible fitment — verify installed bulb

Each model year opens its own BulbFacts record. Bulb sizes and factory systems are not carried over from adjacent years.

Fitment note: Verify the installed bulb, connector, housing, and factory system before ordering. A bulb-size match is not automatically a conversion recommendation or proof of vehicle-specific testing.