Bulb Information & Terminology
|
SB |
HF |
HP |
SMT |
M-SMT |
| Full Name |
Super Bright |
High Flux |
High Power |
Surface Mount Technology |
Mini - Surface Mount Technology |
| Output |
Good |
Good |
Very Good |
Excellent |
Excellent |
| Coverage |
Ok |
Very Good |
Excellent |
Superb |
Absolute Best |
| Viewing Angle |
Narrow |
Wide |
Very Wide |
Very Wide |
Very Wide |
| Effect |
Concentrated |
Concentrated |
Even Output |
Smooth Output |
Sparkling Output |
| Pricing |
Best Value |
Great Value |
Better Value |
Good Value |
Best Money Can Buy |
| Best For |
Small Housings and Narrow Spot Effect |
Larger Housings and Focused Dome Applications |
Older Vehicles w/ Refractor Style Lenses |
Larger Housings with Euro Clear lenses and Diamond Back Reflectors |
Larger Housings with Euro Clear lenses and Diamond Back Reflectors |
Which color of LED should I use?
For the most vivid color and best results the LED color should be the same as the lens color. If a white LED is used behind a red lens some of the useable light is filtered out. If a white LED is used behind an amber lens the color will be bright yellow.
Common Part # and Cross Reference #'s

| Common Part # |
Cross Reference #'s |
| 1157 |
1016 1034 1076 1130 1154 1158 1493 2057 2357 2397 7528 |
| 1156 |
1073 1093 1129 1141 1159 1295 1459 1619 1651 1680 7506 7527 |
| 7443 |
7443 7440 |
| 7440 |
992A *7443 bulbs will work in all 7440 applications |
| 194 |
147 152 158 159 161 168 184 192 193 259 280 285 447 464 555 558 585 655 656 657 1250 1251 1252 2450 2652 2921 2825 |
| 3157 |
3057 3155 3357 3457 4157
**Use Special 3157-SRCK bulbs to replace the tail lights on 04-07 Dodge Ram trucks, center tail tamp bulbs on 88-99 (Old Body Style) Chevy, GMC full size trucks & SUVs (Use the Regular 3157 bulb for the top tail lamp bulbs), 95-01 Cavalier and Sunfire,& 92-98 Grand Am tail lamp bulbs
Use 3157-SACK bulbs for front turn signals on the Toyota Tundra.
If you install regular LED bulbs and keep blowing fuses you probably need these bulbs.
|
| 3156 |
3456 4156 *3157 bulbs will work in all 3156 applications. |
| 57 |
1895 53 57 182 257 363 1445 6253 |
| 74 |
17 18 37 70 73 79 85 86 2721 |
| 921 |
906 579 901 904 908 909 912 914 915 916 917 918 920 921 922 923 926 927 928 939 |
| 211 |
212 212-2 214-2 6413 6429 |
| 6418 |
3423 3425 6411 6423 6461 |
| 3175 |
3021 3022 6428 6430 |