Partsam 2x 3157 White Amber Switchback LED Bulbs Front Turn Signal Light Blinker 60-SMD +Load Resistors 3157A 3357A 3457A 4157NA 3757A 3057A 3057 Standard Type (NOT CK) Features: White/Amber Switchback LED Bulbs Front Turn Signal Light Blinker Lamp. Position: Front Turn Signal Light.60 LED Per Bulb ; Dimension: 20.10mm Diameter, 50.20mm Length. The 50w 6ohm load resistors are needed to prevent the hyper flash , the bulb does not blink or error code for European vehicle. Cross Part Number: 3157 3157A 3057 3155 3157NA 3357 3457 3457A 4057 4114 4157 etc. Fits for: Acura Buick Chevrolet Suburban GMC Sierra Chrysler Ford Pontiac Solstice Cadillac DTS/STS Dodge Nissan, please check your stock vehicle part number before purchase. Socket CK or StandardIf you are not sure your socket type ck or standard, please use the keyword (CK or Standard Test) on youtube,the video will show you how to test the socket.( please check before placing an order, Our bulbs come with Standard Base, NOT CK Type, put standard bulbs into CK type sockets, the bulb will work improperly and may POP THE FUSE.-- Most TOYOTA vehicle use CK socket. Notes: Please check your vehicles owners manual or the original bulb to confirm the bulb size before placing an order. NOT for Honda, Toyota, Acura, Mazda, Nissan etc. Japanese or Korean Make Package Includes: 2x LED Bulbs + 2x Load Resistors. <span class="a-text-bold">Partsam</span>is one of the largest automotive aftermarket LED lights providers in North America. Customers speak highly of our LED SMD/Cree/Epistar lights thanks to our continuous efforts. In the past years, we were devoted to improving our marker quality, expanding our marker types, adopting the latest technology, delivering the best LED lights for our customers and making them enjoy the best ever shopping experience. Partsam offers an extensive line of high quality lights for car, truck, trailer, boat, bus, lorry, van, caravan, camper, RV, etc. You can find all the position lights and accessories you need in Partsam!