Headlight Size

Bulb types · Interior

904 bulb

Catalog code 904 — appears in 61 model-year × position rows. Confirm against your owner’s manual before swapping.

Code904
FamilyInterior
Fitment rows61
Top positions7

Replacement options

Halogen, LED, and HID picks for 904. Prices and availability come from Amazon — confirm fitment for your vehicle before buying.

Philips 904 LongerLife Miniature Bulb
Halogen

Philips 904 LongerLife Miniature Bulb

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CEC Industries 194 Light Bulb
Halogen

CEC Industries 194 Light Bulb

$5.13
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SYLVANIA 194 Long Life Miniature Bulb
Halogen

SYLVANIA 194 Long Life Miniature Bulb

$8.69
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Jtech 904 LED Light bulb
LED

Jtech 904 LED Light bulb

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Fugedox 3157 tail/brake light bulb/Turn Signal Bulbs, 12V P27-7W 3000K White, Long Life Miniature Bulb Automotive Brake Lamp Turn signal Lamp, Replacement for Cars,Trucks,SUVs
Halogen

Fugedox 3157 tail/brake light bulb/Turn Signal Bulbs, 12V...

$7.98
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SYLVANIA - 7506 SilverStar Mini Bulb - Brighter and Whiter Light, Ideal for Daytime Running Lights (DRL) and Back-Up/Reverse Lights (Contains 2 Bulbs)
Halogen

SYLVANIA - 7506 SilverStar Mini Bulb - Brighter and White...

$11.75
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Hugwits 10 PCS 921 Bulbs, 921ll 921cv 912ll T15 912 904 906 916 W16W Wedge Miniature light for Backup, Stop, Trunk Cargo, Signal, Universal for Most Cars
Halogen

Hugwits 10 PCS 921 Bulbs, 921ll 921cv 912ll T15 912 904 9...

$7.29
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firiKer 4PCS Super Bright 921 T15 912 W16W LED Reverse Lights, Error Free 904 Led 921 Bulbs 45SMD-4014 Chipsets, 912 921 906 LED Car Bulbs For Car Truck Backup Reverse Lights, 1500 Lumens 6500K White
LED

firiKer 4PCS Super Bright 921 T15 912 W16W LED Reverse Li...

$9.99
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SYLVANIA - 904 Long Life Miniature - Bulb, Ideal for Trunk, Cargo, Dome, Courtesy and More. (Contains 2 Bulbs)
Halogen

SYLVANIA - 904 Long Life Miniature - Bulb, Ideal for Trun...

$13.99
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AUXITO 912 921 LED Bulb Reverse Light, 6500K White T15 W16W 906 904 Canbus Error Free LED Backup Light Bulb, Super Bright Back Up License Plate Light Halogen Replacement for Car Truck, Pack of 2
LED

AUXITO 912 921 LED Bulb Reverse Light, 6500K White T15 W1...

$14.99
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Marsauto Upgraded 912 921 LED Bulb Reverse Light, T15 LED Bulb Backup Light for W16W 906 904 902 921 Reverse Light Bulb with Projector 500% Brighter 6000K White RV Exterior Lighting Pack of 2
LED

Marsauto Upgraded 912 921 LED Bulb Reverse Light, T15 LED...

$6.99
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LASFIT 921 LED Bulb Third Brake Center High Mount Stop Light, 912 T15 Red Canbus Error Free 906 904 W16W LED Bulb 3rd Brake Lights For Cars Truck Three Times Brightness, Pack of 2
LED

LASFIT 921 LED Bulb Third Brake Center High Mount Stop Li...

$15.99
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Where 904 shows up

Ranked by how often this code is tied to a lighting position across model years — a practical clue for dual-beam vs single-beam and fog vs headlamp confusion.

PositionFitments
Map Light Bulb34
Courtesy Light Bulb11
Trunk or Cargo Area Light5
Side Marker Light Bulb Front4
Courtesy Light Bulb(Compare to original - Option 3)4
Courtesy Light Bulb(Compare to original - Option 2)2
Tail Light Bulb(Compare to original - Option 1)1

Makes that use 904 most

Based on catalog fitment density — not a claim that every trim uses this bulb.

  • Mazda20
  • Ford12
  • Lincoln12
  • Toyota7
  • Chrysler5
  • Dodge5

Cross-reference notes

Related codes from the Autotk cross-reference table. Direction matters — some bulbs can replace others one-way only.

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