About Automotive Bulb Identification and Cross Reference
Wondering what size LED replacement bulb to order to upgrade your customer’s dome lights? Maybe you’re holding that bulb right now and need help identifying it? Or maybe you looked up a bulb number for that HID or LED headlight conversion install you were doing and the bulb size didn’t match our Race Sport Lighting part number? Below, you will find a handy list of the most common bulb bases that you’ll need to cross reference. Yep, a convenient bulb cross reference and identification tool from our techs to you!
How to Look Up a Automotive Bulb Size
If you need help looking up the bulb size for either your vehicle or a customer’s vehicle, Race Sport® Lighting’s main site, racesportinc.com, has an easy-to-use vehicle fitment guide. Watch the video above for a quick tutorial of how to look up your bulb size with the tool.
Headlight and Fog Light Bulb Identification
Automotive headlight and fog light bulb identification can get tricky due to the many different varieties that OEM manufacturers use. Here is a simple reference detailing the locking tab designs of common automotive headlight and fog light bulb bases.
Headlight and Fog Light Bulb Cross Reference
Our quick automotive bulb cross reference below lays out the most common bulb bases installers will run into while upgrading their OEM halogen headlights to HID or LED headlight kits. There is also a lightning fast search function. Simply search for your bulb size and what’s in the “Race Sport Bulb Size” column is how we identify that base. This is the size you’ll reference when ordering. It’s easy, try it out!
| Race Sport Bulb Size | Cross References to... |
|---|---|
| 880 | 881, 884, 885, 886, 889, 892, 893, 894, 896, 898, 899 - These are single filament bulbs and mainly used as fog lights |
| 5202 | H16 (See clarifications below) 9009, H16, P24, P24W, PS24W, PSX24W, PS24N, 7201, 7202, 5201 - These are single filament bulbs and mainly used as fog lights |
| H4 | 9003, HB2 - These are dual filament bulbs and mainly used as headlights |
| H8 | H9, H11, H16 (See clarifications below) |
| H10 | 9040, 9050, 9055, 9140, 9145, 9155 - These are single filament bulbs and mainly used as fog lights |
| H13 | 9008 - These are dual filament bulbs and mainly used as headlights |
| 9004 | HB1 - These are dual filament bulbs and mainly used as headlights |
| 9005 | HB3, H12, 9011, 9012, 9040, 9045, 9055 - These are single filament bulbs and are used as high beam, low beam, or fog lights |
| 9006 | HB4 - These are single filament bulbs and used as low beams or fog lights |
| 9007 | HB5 |
Headlight and Fog Light Bulb Sizes Clarifications
When recommending the proper headlight or fog light, a few variables need to be taken into consideration.
H16 – Further Consideration
Some Japanese OEM automotive manufacturers call for an H16 bulb size. It looks like the photo to the left. For these bulbs we recommend using our H11 base.
9012 – Further Consideration
Some OEM automotive manufacturers call for a 9012 bulb size. It looks like the photo to the right. If your bulb looks like this, we recommend using our 9006 base.
Interior and Exterior Bulb Identification
Automotive interior (map lights, dome lights) and exterior (turn signals, brake lights) bulb identification can get complicated as well. Here is a simple reference detailing the designs of common automotive interior and exterior replacement bulbs.
Interior and Exterior Bulb Cross Reference
Our easy-to-use automotive interior (map lights, dome lights) and exterior (turn signals, brake lights) bulb cross reference below lays out the most common bulb bases installers will run into while upgrading their OEM halogen bulbs to LED replacements. Just like the headlight cross reference above, simply search for your bulb size and what’s in the “Race Sport Bulb Size” column is how we identify that base. Be sure to reference this size when ordering.
| Race Sport Bulb Size | Cross References to… |
|---|---|
| BA9S | E10, 12MB, G18, 53, 56, 61, 63, 67, 68, 69, 71, 81, 89, 98, 182, 256 ,257, 293, 303, 363, 623, 756, 1003 ,1155, 1247, 1251, 1445, 1488, 1813, 1815, 1889, 1891, 1892, 1893, 1895, 1898, 3497, 5007, 5008 |
| 31mm | FESTOON, 3021, 3022, 3175, 6423, 6428, 6430, 6612F, 7065 |
| 36mm | FESTOON, 3423, 3425, 6411, 6418, 6461 |
| 42mm | FESTOON, 211, 212, 214-2, 578, 4411, 6413, 6429 |
| T5 | T5, 17, 18, 37, 70, 73, 74, 79, 85, 86, 2721 |
| T10 | T10, T13, 147, 152, 158, 159, 161, 168, 184, 192, 193, 194, 259, 280, 285, 447, 464, 555, 558, 585, 655, 656 657, 1250, 1251, 1252, 2450, 2652, 2825, 2921, W2W, W5WB, 579, 2886x, 175 |
| T15 | T15, 901, 904, 906, 908, 909, 912, 914, 915, 916, 917, 918, 920, 921, 922, 923, 926, 927, 928, 939 |
| 1156 | S25, 93, 1073, 1093, 1129, 1141, 1159, 1259, 1459, 1619, 1651, 1680, 3497, 5007, 5008, 7506, 7527 |
| 1157 | S25, 1016, 1034, 1154, 2057, 2357, 2397, 3496, 7225, 7528 |
| 3156 | T25, 3056, 3356, 3456 |
| 3157 | T25, 3056, 3457, 4057, 4157 |
| 7440 | T20, 7740 |
| 7443 | T20, 7743, 7443 |
