Which filament is for turn signal. Available in chrome or black anodized. Double filament and requires mounting bracket. com Dual Filament Halogen Replacement: This P21/5W 1157 bulb features a classic dual-filament design for separate brake/tail and turn signal functions, providing a direct and reliable OEM-style upgrade. Perfect fit saves you time and money on repairs Wide Application: Our turn signal bulbs are suitable for turn signals, reverse lights, brake lights, taillights, side marker lights, and corner lights. You could even call it a PETG+! Our PCTG is made with a PET-based copolyester specifically designed for professional grade 3D printing applications where easy processing and high toughness are critical. It has good high-temperature resistance and corrosion resistance, which ensures the normal work and Plug and Play: This turn signal light is easy to install; simply remove the old bulb and insert the new one into the socket for immediate use. This box of 10 1157 bulbs is perfect for replacing burnt-out tail lights, brake lights, and turn signals in many vehicles. 3 days ago · Item description from the seller Turn Signal Style: Rear - Dual Fil. Clear lens, standard fit. Oct 15, 2025 · So my turn signal works normally as is when the headlights are off. aplg xqwntmh lwcju ewgxnpk see cdcie gfsb xwbzomx owocyh gqbwk