Bulb types · Signal / marker
921 bulb
Catalog code 921 — appears in 5,086 model-year × position rows. Confirm against your owner’s manual before swapping.
Code921
FamilySignal / marker
Fitment rows5,086
Top positions12
Replacement options
Halogen, LED, and HID picks for 921. Prices and availability come from Amazon — confirm fitment for your vehicle before buying.
Halogen
Philips 12789LPB2 Bright White Vision
$22.95
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LED
JDM ASTAR Extremely Bright 2000 Lumens
$14.99
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LED
LASFIT 921 912 LED Bulb
$14.99
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LED
AUXITO LED High Power 2835 15-SMD Chipsets
$11.99
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LED
Philips Automotive Lighting 921WLED Ultinon LED (White)
$22.28
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Halogen
SYLVANIA - 921 SilverStar Mini Bulb - Brighter and Whiter...
$11.75
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Halogen
QYKAVM 921 Bulb 12Pcs,912 RV Light Bulbs 12V W16W for Rev...
$8.99
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Halogen
Sylvania - 921 Long Life - High Performance Incandescent ...
$14.49
Details →
Halogen
Kadiby 12 Bulk Pack 921 Bulb.921ll 912 W16W T15 Light Bulbs.
$9.99
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Halogen
Kadiby 20 pack 921 Bulb Back Up/Trunk Cargo/Turn Signal B...
$12.95
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Halogen
SYLVANIA 921 Basic Miniature Bulb, (Contains 2 Bulbs) (92...
$8.99
Details →
Halogen
GIVEDOUA 921 T15 Bulbs, 912 906 916 W16W Automotive Backu...
$6.99
Details →
Halogen
Lanuovx 921 Bulbs 40 Pack,12V 16W T5 W16W Incandescent Li...
$16.99
Details →
LED
AOICANKI 20pcs Super Bright RV Trailer T10 921 194 42-SMD...
$9.99
Details →
Where 921 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.
| Position | Fitments |
|---|---|
| Back Up Reverse Light Bulb | 3,153 |
| Center High Mount Stop Light Bulb | 1,000 |
| Trunk or Cargo Area Light | 254 |
| Back Up Light Bulb | 202 |
| Center High Mount Stop Light Bulb(Compare to original - Option 1) | 73 |
| Turn Signal Light Bulb Rear | 67 |
| Fog Light Bulb Rear | 49 |
| Brake Light Bulb | 30 |
| Back Up Light Bulb(Compare to original - Option 2) | 25 |
| Back Up Reverse Light Bulb (without projector-type headlights) | 21 |
| Tail Light Bulb | 17 |
| Back Up Light Bulb(Sedan) | 16 |
Makes that use 921 most
Based on catalog fitment density — not a claim that every trim uses this bulb.
- Toyota515
- Chevrolet482
- Nissan482
- Ford289
- BMW284
- Lexus272
- Kia227
- Hyundai223
- Audi218
- GMC208
- Dodge199
- Honda185
Cross-reference notes
Related codes from the Autotk cross-reference table. Direction matters — some bulbs can replace others one-way only.