Bulb types · Interior
2721 bulb
Catalog code 2721 — appears in 2,028 model-year × position rows. Confirm against your owner’s manual before swapping.
Code2721
FamilyInterior
Fitment rows2,028
Top positions12
Replacement options
Halogen, LED, and HID picks for 2721. Prices and availability come from Amazon — confirm fitment for your vehicle before buying.
LED
WLJH White LED 2721 37 74 Light Bulb
$11.99
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LED
Jtech 10 x T5 LED White Bulbs
$6.99
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Halogen
Hella 2721TB Bulb 2721 12V 1.2W W2X4.6D T1.5 (2), Multi
$4.82
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LED
ecocstm 12 PCS T5 LED Bulbs, 74 73 37 2721 Instrument Clu...
$5.59
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Halogen
Lanuovx 10Pack PC74 2721 T5 Bulb,14V 1.4W T-1.75 Shape In...
$9.99
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LED
Nanpoku T5 LED Bulbs 74 73 37 2721 LED Bulb for Auto Car ...
$8.49
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Halogen
Lanuovx 100 Pack 2721 Miniature Bulbs 12V 1.2W W2x4.6d T1...
$19.99
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Halogen
SYLVANIA - 2721 Long Life Miniature - Bulb, Ideal for Int...
$12.84
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LED
WLJH 74 Led Bulb Dash Lights Super Bright T5 2721 37 70 2...
$17.99
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LED
GLSOWEE T5 LED Bulbs, 74 73 37 2721 LED Bulb 12 Volt Repl...
$5.59
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Where 2721 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 |
|---|---|
| Glove Box Light Bulb | 323 |
| Automatic Transmission Indicator Light Bulb | 310 |
| Ash Tray Light Bulb(Compare to original - Option 1) | 232 |
| Instrument Panel Light Bulb | 122 |
| Courtesy Light Bulb(Compare to original - Option 2) | 118 |
| Ash Tray Light Bulb | 116 |
| Instrument Panel Light Bulb(Compare to original - Option 2) | 99 |
| Parking Brake Indicator Light Bulb | 92 |
| High Beam Indicator Light Bulb | 88 |
| Turn Signal Indicator Light Bulb | 76 |
| Stepwell Light Bulb | 69 |
| Check Engine Light Bulb | 68 |
Makes that use 2721 most
Based on catalog fitment density — not a claim that every trim uses this bulb.
- Honda340
- Toyota256
- Acura232
- Chevrolet217
- Lexus160
- GMC143
- Mitsubishi108
- Nissan90
- Volvo89
- Volkswagen60
- Subaru49
- Dodge49
Cross-reference notes
Related codes from the Autotk cross-reference table. Direction matters — some bulbs can replace others one-way only.