Top 10 P21/5W Bulb Socket – Automotive Replacement Electrical Accessories

As an Amazon Associate I earn from qualifying purchases.



MASO 2Pcs 1157 Bulb Socket BAY15D Lamp Holder P21/5W Adapter Base Connector for Brake light Plastic Car Accessories

MASO #ad - Heat resistance & durable: the socket holder is made of high quality rubber material, soft, heat resistance and durable, to ensure maximum strength and durability for long lasting usage.

Simplify installation steps, no modification, cutting, or drilling required. Allow you easy to install the aftermarket LED conversion kit without modifying or destroying the original socket. 100% satisfied guarantee:1 year warranty Guaranteed!If you find any problems with our products, please feel free to contact us and we will resolve them as soon as possible. 100% brand new. Easy installation: pre-wired socket for easy installation, creates extra light outlet.
BrandMASO #ad
ManufacturerMASO #ad
Part NumberH841117



SAUTOP 4Pcs BAY15d 1157 LED Light Bulbs Socket Holder,P21/5W Adapter Base Connector Car Accessories for Brake Light Turn Signal Headlight Light

SAUTOP #ad - Compatible bulbs:bay15d, 1157, 7528, 1034, 2357, 1016, 2397, 1154, 1158, 3496, 2057, 1152, 1493, P21/5W. Easy to install:easy plug and play installation, no tools needed, easy DIY installation. Perfect for adding extra turn lights/brake lights or replacing the stock one. Note:please double check the product pictures to make sure this 1157 light socket is the same as your original to ensure proper fitting. Package list: 4pcs 1157 socket with 3 pre-wired wiring. Part number: SAU366. 1157 socket outer diameter:35mm/1. 37 inch, wire length about:130mm/5. 11 inch.
BrandSAUTOP #ad
ManufacturerSAUTOP #ad
Part NumberSAU366

3. iBrightstar


IBrightstar Newest Super Bright 1157 2057 2357 7528 BAY15D P21/5W Switchback LED Bulbs with Projector Replacement for Daytime Running Lights/DRL and Turn Signal Lights, White/Amber

iBrightstar #ad - Easy installation, plug and play. Set of 2 bulbs 72smd 3014 & 4smd 3030 high brightness chips per bulb, Working Voltage: 9v-30v. Advantage: more than 300% brighter than original halogen bulb, full Aluminum Housing with Projection lens for Maximum Light output and better heat distribution, built in Constant Current IC for Longer life span & Low Power Consumption.

Fits: 1157 bay15d p21/5w 1016 1034 1157 1157a 2057 2057a 2357 2357a 2357na 2397 3496 7528 etc. Notice: the 50w 6ohm load resistor or flasher relay might be needed to prevent the hyper flash, malfunction or trigger warning message on dashboard.

The turn signal flashes "amber-off-amber-off" instead of "amber-white-amber-white", which makes it easier to seeMost switchback bulb on the market flash amber-white-amber-white. Application: light up xenon white for parking lights or daytime running lights, Light up Amber for turn signal lights. Any other problem please feel free to contact us, we are always here to satisfy of you.
BrandiBrightstar #ad
ManufactureriBrightstar #ad
Part NumberiBrightstar-1157-3014 3030-72 4WY



Besbul 1157 LED Bulb Red, Pack of 2, 2357 LED Bulb, Tail Light, 2057 7528 P21/5W BAY15D LED Light Bulbs For Brake Light, Parking Light, Side Marker Light, Extremely Bright 2700LM 12V-40V Compatible

BESBUL #ad - If you are not sure which socket fits your car, please contact seller with your car's year/make/model/position and we are happy to help. Long life span - aircraft grade aluminum body and built-in intelligent IC driver enable fast heat dissipation.

Flash relay might be needed to prevent hyper flash when replacement for Turn Signal Lights. Plug & play Easy Installation. Ultra bright – besbul 1157 led bulbs are powered by 27 pcs of high performance 2835 chipsets to offer extremely bright output, 4x brighter than original brake light bulbs. Perfect illumination - 360° beam without dark spots, spot-like pattern provide the best sights at night.

9-40v wide voltage & optimal current flow extends the lifespan up to 50, 000 hrs. Fitment - fits for 1157 1157a 1157na 2057 2357 2357na 7528 bay15d p21/5w etc sockets. Use for tail lights, brake lights, parking lights, side marker lights etc. Satisfaction guaranteed - 1 year besbul warranty, no hassle on return or replacement.
BrandBESBUL #ad
ManufacturerBesbul #ad
Part NumberB1157R*2

5. YnGia


YnGia 2PCS 1157 LED Bulb Socket BAY15D P21/5W Adapter Wiring Harness Wire Connector for LED Turn Signal Brake Light Tail Light Bulbs

YnGia #ad - Easy installation: pre-wired socket for easy installation, no modification, creates extra light outlet. Simplify installation steps, cutting, or drilling required.

Compatible bulbs: compatible with most bulbs, 1157, 1130, 1493, 2357, 1154, such as bay15d, 2397, 1076, 1158, 7528, 2057, 1016, 1034, etc. Material: abs + copper wire; It is heavy-duty, high efficient and heat-resistant. Widely used: suit for base high and low double contacts bulb, interior reading lights, Trailers, Can also be used as the Socket of wide lights, rear license plate lights, Bikes, trucks, door etiquette lights, Boats, fits for cars, storage compartment lights, trunk lights, Caravans Plug-in Light Bulb, dashboard lights, turn signals. Package include: 2 * 1157 Sockets not include lights.
BrandYnGia #ad
ManufacturerLiaoYuanDZ #ad
Part NumberD-1157mtdx-2

6. Sidaqi


2PCS Red 1157 BAY15D P21/5W LED Bulbs 5630 33SMD 900LM Canbus LED Brake Lights 12-30V 3.6W

Sidaqi #ad - Long life and lasts for about 50, with 5630 33SMD high-brightness LED, 000 hours. Installationeasy to install, no need to change the original car route, plug and play.

Compatiblecompatible with standard socket. Fit:1157 bay15d 7528, 3496, 2397, 1016, 2357, 2357na, 2357a, 2057a, 1196, 2057, 1157a, 1178a, 1034, 94. Size led bulb size: 61mm length * 16mm base diameter, brighter than ordinary incandescent bulbs. Materialthe outer casing is made of aluminum, which is good for heat dissipation. Applicationapply to vehicle interior and exterior auto parts of most Car, Motorcycle, Boat, Truck, Trailer, RV, VanScooter, SUV, Marineas for Brake Light and Interior RV Camper Bulbs. Lights up without delay, effectively preventing rear-end events from occurring.
BrandSidaqi #ad
ManufacturerGuanzhou Sidaqi #ad
Part Number33SMD



2pcs Red, 57SMD with projector lens Led Replacement for High mount Stop Parking Light, Tail Light , Brake Light, WEIMELTOY 1157 7528 Led Brake light Bulb Red, 12V-24V 2057 2357 BAY15D P21/5W Bulbs

WEIMELTOY #ad - Ensure safe working temperature and longer working time. Any issues, just feel free to contact us at any time, we are always here to satisfy you timely. Efficient heat dissipationweimeltoy 1157 bulbs with aluminum body design at both ends of chips, hollow design body, more effective and fast heat dissipation.

There are 3pcs 3030 beads on the top and 54pcs 3014 beads build in a circle, stronger light penetration, more focusing Light, further distance beam, largest output brightness beam in 360 degree. Brighter and stronger beamweimeltoy 1157 7528 bulb with projector lens design, wider and brighter vision. When used as turn signal lights, tail lights, Load resistor might be needed to prevent the hyper flash or error code.

Fitment the 1157 led car bulbs are compatible with bay15d 7528 2057 2357 3496 1157A 1016 1034 2397 P21/5W 1196 94 sockets. A safer and more comfortable driving experience. Wide applicationused for brake stop lights, RV Camper interior light. Professional customer service hassle free refund or return within one year, make your purchase without risk.
ManufacturerATO LED #ad
Part Number1157-76-2 Red



Rear and reversing light 7528ULT-02B longlife in double blister, OSRAM ULTRA LIFE P21/5W brake

OSRAM #ad - Genuine Osram original equipment quality. Up to 3 times longer lifetime compared to a standard bulb. 12v 21/5w bay15d twin filament. The perfect 'fit and forget' solution where bulb replacements are difficult. P21/5w-7528ult 380 longer lifetime replacement bulb.
BrandOSRAM #ad
ManufacturerOsram #ad
Part Number7528ULT-02B



Hella 7528TB Bulb 7528 12V 21/5W Bay15D S8 2

HELLA #ad - Hella 7528tb standard series incandescent Miniature Light Bulb, Twin Pack. Hella 7528tb bulb 7528 12v 21/5w bay15D S8 2.
BrandHELLA #ad
ManufacturerHELLA #ad
Height4.72 Inches
Length2.76 Inches
Weight0.06 Pounds
Width0.98 Inches
Part Number7528TB
Warranty1 Year Limited



Brake/Tail Lights, Turn Signal/Parking or Running Lights Pack of 2, AUXLIGHT 2057 1157 2357 7528 2057A 1157A LED Bulbs Xenon White, Ultra Bright 57-SMD LED Replacement for Back Up/Reverse Lights

AUXLIGHT #ad - One year Warranty. Brightest led bulbs. Fit in most 1157 2057 2357 7528 1016 1034 1034a 1034ll 1034na 1035 1157a 1157all 1157ll 1157na 1157st 1178a 1196 198 2057a 2057all 2057ll 2057na 2357a 2357all 2357ll 2357na 2397 3496 7528l 94 bay15d p21/5w etc socket.

Best led interior bulbs on the market. Best beam pattern. The auxlight led bulbs was made in the highest quality and most stable design, extra longer working hours. Can be used for back up/reverse lights, side marker lights, brake/tail lights, turn signal/parking or daytime running Lights, blinker lights, DRL etc. The most high-tech led reverse/backup light bulbs! uniform beam pattern, high power 54smd 3014 & 3SMD 3030 Chipsets.

Standard 1157/2057 base, it almost the same size with halogen bulbs. There need load resistor to avoid the turn signal fast blinking/hyper flash or error code on the dashboard for some vehicle. Full aluminum housing with projection lens for maximum light output and better heat distribution, built in constant current IC for longer life span & low power consumption. Super bright led interior light, +320% bRIGHTER THAN STOCK BULB.
ManufacturerAUXLIGHT #ad
Height0.59 Inches
Length1.82 Inches
Width0.88 Inches
Part NumberAUX-1157-57SMD-2W