Feature(may vary by option.)

●(Set of 2) Each 4257 4257NA LED switchback bulbs is equipped with high illumination 2835-SMD LED chips with projector lens.
●Light up 6000K white for parking lights or daytime running lights as low intensity light output mode. Light up amber-off-amber-off for turn signal lights instead of amber all the time to make more noticeable for high intensity light output.
●Compatilbe with both CK/SRCK and standard socket, no need worry about the socket type any more. Built in smart IC driver for better current control and longer lifespan.
●Cross Reference Number: 4257, 4257NA, 4257NALL, 4257NAK, 4257AK, etc.
●Fully one year warranty covered, hassle free return for refund within 30 days and best professional customer support. Used for upgrade OEM incandescent W2.5*16q D.F. wedge base blinker lamps replacement for better vision and safer driving. Extra LED load sistors maybe required to avoid the signal hyper flash or fast flickering due to led bulbs draw much less current than stock lamps.

[7444NA  & 7443]




[3457NA  & 3157]




[4257  & 4257NA]





Description

Alla Lighting 4257NA 4257 Switchback Bulbs LED Turn Signal Lights Dual Color Amber Yellow/White

4257NA 4257NA LED Bulbs Dual Color Amber Yellow Switchback Turn Signal Lights4257NA 4257NA LED Bulbs Dual Color Amber Yellow Switchback Turn Signal Lights

How to Switch Color for 4257NA LED Switchback Bulbs?

4257NA 4257 LED Switchback Bulbs Amber Yellow White Signal Parking Lights Lamps4257NA 4257 LED Switchback Bulbs Amber Yellow White Signal Parking Lights Lamps

Product Features

Alla Lighting 4257NA LED Bulbs Dual Color White Amber Turn Signal Lights SwitchbackAlla Lighting 4257NA LED Bulbs Dual Color White Amber Turn Signal Lights Switchback
WT21W/7W WT21/7W LED Bulbs, Super Bright Red Brake, Tail, Turn Signal Lights Bulbs WT21W/7W WT21/7W LED Bulbs, Super Bright WHITE Brake, Tail, Turn Signal Lights Bulbs WTY21W LED Bulbs, Super Bright Amber Yellow Turn Signal Lights Bulbs Lamps 4257NA LED Bulbs, Super Bright Amber Yellow Turn Signal Lights Bulbs Lamps WT21W LED Bulbs, Super Bright White Back-up Reverse Lights Bulbs Lamps 3157 3457 4157 LED Bulbs, Super Bright Amber Yellow Turn Signal Lights Bulbs Lamps
WT21W/7W WT21/7W LED Bulbs WT21W/7W WT21/7W LED Bulbs WTY21W LED Bulbs 4257NA LED Bulbs WT21W LED Bulbs 3157 4157 LED Bulbs
Base WZX3 x 16q WZX3 x 16q WUY3 x 16d W2.5x16q WUX3 x 16d W3 x 16q
Filament Dual Filament Dual Filament Single Filament Dual Filament Single Filament Dual Filament
Light Output 1400 Lumens/Bulb 1400 Lumens/Bulb 1400 Lumens/Bulb 1400 Lumens/Bulb 1400 Lumens/Bulb 1400 Lumens/Bulb
Working Power 8.5W 8.5W 8.5W 8.5W 8.5W 8.5W
Color Options Pure Red, 6K White Pure Red, 6K White Amber Yellow, 6K White Amber Yellow, 6K White, Red 6000K White Amber Yellow, 6K White, Red
Cross Reference No. WT21W/7W, WT21/7W WT21W/7W, WT21/7W WTY21W 4257 4257NA WT21W 3157 3457 3057 4057 4157 4114 3156
Applications Turn Signal, Brake, Tail Lights Turn Signal, Brake, Tail Lights Turn Signal Lights Turn Signal Lights Back-up Reverse Lights Turn Signal, Brake, Tail, Reverse Lights

Product information