Automotive Bulb Cross Reference and Identification

Bulb cross reference

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.

Bulb Cross reference

Headlight and Fog Light Bulb Cross Reference

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 SizeCross References to...
880881, 884, 885, 886, 889, 892, 893, 894, 896, 898, 899 - These are single filament bulbs and mainly used as fog lights
5202H16 (See clarifications below) 9009, H16, P24, P24W, PS24W, PSX24W, PS24N, 7201, 7202, 5201 - These are single filament bulbs and mainly used as fog lights
H49003, HB2 - These are dual filament bulbs and mainly used as headlights
H8H9, H11, H16 (See clarifications below)
H109040, 9050, 9055, 9140, 9145, 9155 - These are single filament bulbs and mainly used as fog lights
H139008 - These are dual filament bulbs and mainly used as headlights
9004HB1 - These are dual filament bulbs and mainly used as headlights
9005HB3, H12, 9011, 9012, 9040, 9045, 9055 - These are single filament bulbs and are used as high beam, low beam, or fog lights
9006HB4 - These are single filament bulbs and used as low beams or fog lights
9007HB5

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 SizeCross References to…
BA9SE10, 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
31mmFESTOON, 3021, 3022, 3175, 6423, 6428, 6430, 6612F, 7065
36mmFESTOON, 3423, 3425, 6411, 6418, 6461
42mmFESTOON, 211, 212, 214-2, 578, 4411, 6413, 6429
T5T5, 17, 18, 37, 70, 73, 74, 79, 85, 86, 2721
T10T10, 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
T15T15, 901, 904, 906, 908, 909, 912, 914, 915, 916, 917, 918, 920, 921, 922, 923, 926, 927, 928, 939
1156S25, 93, 1073, 1093, 1129, 1141, 1159, 1259, 1459, 1619, 1651, 1680, 3497, 5007, 5008, 7506, 7527
1157S25, 1016, 1034, 1154, 2057, 2357, 2397, 3496, 7225, 7528
3156T25, 3056, 3356, 3456
3157T25, 3056, 3457, 4057, 4157
7440T20, 7740
7443T20, 7743, 7443