Factory headlight setup not identified

1999 Infiniti QX4 Headlight Bulbs & Lighting Guide

Factory bulb sizes and relevant BulbFacts-tested replacement evidence for the 1999 Infiniti QX4.

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

Low beam
D2R
High beam
H1
Factory setup
Factory headlight setup not identified
Representative SUV or crossover image for 1999 Infiniti QX4
Representative SUV or crossover image

Best headlight upgrades

Confirm the installed headlight configuration before using a bulb size or product recommendation. BulbFacts does not merge products from different factory systems.

Factory headlight setup not identified

Low Beam: D2R · High Beam: H1 · High/Low Beam Combined: 9003 / H4

Select your factory headlight system. Choose or verify the installed factory headlight system before using a bulb size or product recommendation.

Other bulbs

Available exterior and interior lighting data for this model year.

Center High Mount Stop Light
168Verify installed bulb
Courtesy Light
DE3175Verify installed bulb
Fog Light
H3Verify installed bulb
Front Side Marker
168Verify installed bulb
Front Turn Signal
1156AVerify installed bulb
Parking Light
168Verify installed bulb
Rear Turn Signal
1156AVerify installed bulb
Reverse Light
1156Verify installed bulb
Technical details and sources

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

PositionBulb or systemFitment status
Low BeamFactory system not specifiedD2RBulb size confirmed
High BeamFactory system not specifiedH1Bulb size confirmed
High/Low Beam CombinedFactory system not specified9003 / H4Bulb size confirmed

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.