The 7443 (W21/5W) has a glass wedge base and the 3157 (P27/7W) has a plastic wedge base or a glass … The remaining contact is the positive (+) side of the circuit. The 3157 is a little brighter than the 3057 when the parking lights are on. One The 7443 extra contacts don’t connect to anything in the 7440 socket and the bulb will light high beam only. 3157 "CK" led bulbs. LED switchbacks are LED bulbs that are white 6000K when in parking or running light mode and then flash amber when the turn signals are activated. A wide variety of 3157 7443 t25 bulb options are available to you, There are 581 suppliers who sells 3157 7443 t25 bulb on Alibaba.com, mainly located in Asia. As you can see from the diagrams, a regular 3157 led cannot be easily altered to make it into an These LED car bulbs come in a wide variety of types, such as 3157, 1157, 7443, 1156, ba9s, 7440, 7443, 194, 921, and third-generation LED headlights with H7, H11, H4, H8, 9005, 9006, and 9012 bases. Use care when bending the leads and only bend one time to avoid breaking them off. Note: Use Special 3157-SRCK (Red) or SACK (Amber) bulbs to replace the center tail lamp bulbs on: 88-99 (Old Body Style) Chevy and GMC full size trucks & SUVs. In a very few vehicles, the low and high + Positive leads on the 3157 will need to be bent to the opposite sides so that the bulb will light on the brighter high beam circuit in the 3156 application. CAN Bus LED light bulbs are also available. Insurance is the responsibility of the purchaser! Learn how to make nighttime driving safe and secure for you and others on the road. 3057 Vs 3157 Bulb-Which Car Lamp Should We Go After? Do not ignore the lighting system of your vehicle. Cross Reference: (W2.5x16q) =3157, 3057, 3155, 3357, 3457 (For Reference Only). bulbs are available The 3157 extra contacts don’t connect to anything in the 3156 socket and the bulb will light high beam only in the 3156 socket. The 7443 led bulb can be used universally in either 7443 or 7440 applications. The 3157 extra contacts don't connect to anything in the 3156 socket and the bulb will light high beam only in the 3156 socket. Therefore, to help you purchase the ideal bulb for your beloved car, let us draw comparisons between 3057 Vs 3157 bulb. Over the years, the use of the lights was more versatile. Many bulbs will use the same base and connectors while the different model numbers will be determined by color and wattage. As the holidays approach it’s time to make sure that your car is winter-ready. circuit is for bright  or high beam (braking/turn signals) and one for dim or low beam (running/parking The leads should only be bent one time. not light at all. You can test how your The 7440 is a single contact (s.c.) bulb. Technical Wiring. These LED bulbs are usually seen on high-end luxury vehicles due to their flashy (literally) nature and unique brightness. CAN Bus LED light bulbs are also available. The dual color options include white and amber, and a 360 degree output means longer-lasting, brighter shine that outlasts other well-known brands. Underground Lighting offers you the best and most extensive collection of H11 headlights . Whichever bulb you decide on, you can’t go wrong! The bulbs of this model are bigger in size than the average. sockets are wired using a multi-meter. These LED bulbs are usually seen on high-end luxury vehicles due to their flashy (literally) natu 7443 and 3157 Switchback LED Bulbs – What Makes them Different? The remaining contact is the positive (+) side of the circuit. $2.00 for each $100 unit of insurance, Household, Commercial & Industrial Lighting, 1156 1157 1142 2357 7507 7225 The 7440 has two separate wire contacts protruding from the bottom. You can swap the wires to the socket to match the diagrams The 3156 has two separate wire contacts protruding from the bottom. In the 3156 socket, the 3157 will have extra contacts that are not connected to anything. One of these two contacts is the common negative (-) ground. Together, these advanced design features work to enhance the overall effectiveness of your vehicle’s LED output and long-lasting performance. Bayonet Tail-Brake Turn Signal Back-Up, Tail Brake Turn Back-Up Reverse Light 1156 1157 1142 2357 7507 7225 Bayonet Bulbs, LED Bulbs 3157 3156 3457 4157 3057 Tail Brake Turn Back-Up DRL Reverse Light, Xenon HID Bulbs 3157 3156 3457 4157 3057 Tail Brake Turn Back-Up DRL Reverse Light, Chrome Xenon Bulbs 3157 3156 3457 4157 3057 Tail Brake Turn Back-Up DRL Reverse Light, Switchback Two Color LED Bulbs 3157 3156 3457 4157 3057 Tail Brake Turn Back-Up DRL Reverse Light, Canbus Led Bulbs 3157 3156 3457 4157 3057 Tail Brake Turn Back-Up DRL Reverse Light, See All Bulbs 3157 3156 3457 4157 3057 Tail Brake Turn Back-Up DRL Reverse Light, Tail Brake Turn Back-Up Reverse Light 7444 7443 7440 Wedge Bulbs, License Plate Side Marker Coutesy Map Interior 194 168 161 2825 W5W Miniature Wedge Bulbs, Instrument Panel 37 74 2721 T5 Sub Miniature Wedge Bulbs, Instrument Panel 24 T6.5 Miniature Wedge Bulbs, Instrument Panel Ba7s Midget Flange Bulbs, Dome Trunk License Plate Map Courtesy Vanity 3022 212 578 6418 6411 Festoon Bulbs, Ba9s E10 Screw Ba7s Bax9s B6 G18 B19 Small-Head Ba15s Bay15d Bayonet Bulbs, Upper 3rd Brake Map Trunk 579 906 921 T15 Medium Wedge Bulbs, 6 Volt - Antique - Vintage - 24 Volt Bulbs, Boat & Marine 1142 1076 1176 Bayonet Bulbs, Dura Chrome Titanium Platinum Silver Vision Stealth Bulbs, Canbus Error Free BMW Mercedes Audi VW Volvo Dodge 5002S PY24W Bulbs, Daytime Running Light (DRL) Kits & Foglight Systems, LED Screw Mount & Motorcycle Indicator-Accent-Running Lights, LED Light Tubes, Neon Light Tubes & Underbody Lights, LED Windshield Washer & Mirror Turn Signal Indicators, Angel Eye Halo Rings for Headlights, Tail Lights and Lenses, LED Strips, Led Strings, Led Bars & Control Modules, Overhead & Under Cabinet Lighting - Truck, Boat & RV, LED Light Fixtures for the Home, Boat & RV, LED Bike, Go Ped, Motorcycle, ATV, Boat and RV Light Fixtures, LED Screw Mount Indicator & Accent Lights, Semi, Truck, 4X4 & Truck Trailer Leds & Lights, Household Commercial & Industrial Lighting, Pop Up Recptacle Floor Mounted Electrical Boxes, Windshield Wipers, Tools & Automotive Accessories, LED Flashers, LED Protectors, Load Equalizers Turn Signal Fix, Electrical Contacts, Sockets, Connectors & Fuses, Led Controllers, Flashing Modules, Braker Modules & Dimmers, Programmable Remote Controllers & Switches for Garage Openers, Discrete Raw Leds, Resistors & Components, Power Inverters - Power Supplies - Power Adapters, Switchback Bulbs Two-Color Turn Signal-Running Light Bulbs, Motorcycle & RV Running Lights, Turn Signals and Indicator Lights, Vinyl Protective Film for Tinting Windows, Headlights, Tail Lights & Lenses, Black Box Dash Mount Digital Video Recorders. Make sure that they are working properly and emit the highest quality of light. This model, like the 3157, also offers easy, plug and play installation for additional time-saving benefits. If you remove the bulb, rotate it 180 degrees and Notes: If your bulb ends with an A such as 1157A it is an amber bulb. 95-01 Cavalier and Sunfire tail lamp bulbs. Some manufacturers change the number when they change some small aspects about the bulb. This is especially true with the 2015 Ram model that is known to have significant CANbus issues. This will ensure that the high beam circuit connects to the high beam contact on the bulb. LED Switchbacks available in 3 versions 1157 3157 and 7443 conventionally wired led bulbs, there are two solutions: 1. If the bulb is an amber coated bulb then it may be listed as 3157A. Here’s the Solution! How Do You Know If It’s the Bulb or Ballast When Your Car’s Bulb Goes Out? 12v powered lights are a great fit for the city-based vehicles as the guarantee up to 5,000 hours. 947 3157 7443 t25 bulb products are offered for sale by suppliers on Alibaba.com, of which auto lighting system accounts for 60%. To find out if these bulbs will fit your vehicle.......... Then go to:  Automotive Replacement Guide - find the right light source for your vehicle, Note: Our packages are not automatically insured against loss during shipping. In this post, we look at the nine brightest H11 LED headlight bulbs from Underground Lighting and include a simple buying guide to help you make the right decision. Description Technical Parameters. any metal ground point on the vehicle and will register a zero or very low The 7443 led bulb can be used universally in either 7443 or 7440 applications. The 7443 is a dual contact (d.c.) bulb (Shown left). These differences are not applicable to LED bulbs so we've created a handy guide for you. With 3057 and 3157 bulbs in great demand, it’s getting difficult to select the best one out of the two. reinsert,  it will not light at all. Dodge RAM owners have had many challenges trying to find effective LED or HID headlight kits. They are physically interchangable! There's also no bulb called "p21". Top 6 Best H11 Headlight Bulbs and Buying Guide for 2020. This design gives added protection against overheating and exposure to other potentially-damaging elements, while models that contain a resistor on both light filaments are more prone to melting or falling apart within the housing. The 4114 is an ultralong-life bulb with its major and minor filaments rated at 14v. The 3157 has its major filament rated at 12.8v and a much shorter lifespan. The dual contacts are connected to 2 separate circuits inside the bulb. 3157 bulb Specification. Top Post: 3157 vs 4157 Light Bulb. In a very few vehicles, the low and high + Positive leads on the 7443 will need to be bent to the opposite sides so that the bulb will light on the brighter high beam circuit in the 7440 application. In addition to delivering an impressive amount of light, LED bulbs also come in handy when navigating between light and dark driving conditions, as well as in inclement weather. The 3157 is a dual contact (d.c.) bulb (Conventional 3157 Led Bulb shown left). Note: The 7443 led bulb will function in either 7443 or 7440 sockets. Yorkim Ultra Bright 3157 Led Bulb Amber, 3157 Led Brake Lights, 3157 Led Backup Reverse Lights, 3156 Led Tail Lights with Projector - 3056 3156 3057 4057 3157 4157 T25 Led Bulbs, Pack of 2 4.2 out of 5 stars 754. Re: 7443, p21, and 3157 do they interchange? . If you examine the bulb closely, you can see that two of the wire contacts connect to the same point inside the bulb. We will rundown the basics of each bulb to determine what makes them unique from one another. Find the Right Wiper Blade Size for Your Vehicle. For more on Underground Lighting’s line of products, call or visit https://undergroundlighting.com/. One of these two contacts is the common negative (-) ground. Both products offer a stellar choice for direct turn signal replacement bulbs and offer white/amber light filaments, as well as protection against hyper-flashing and error codes. Select Vehicle These two contacts are the common negative (-) grounds. resistance reading on the ohmmeter with any common ground point. Are 7443 and 3157 bulbs interchangeable? Are 3057 and 3157 bulbs interchangeable? ORDER SPECIALLY WIRED SRCK & SACK BULBS. Enjoy increased bulb longevity with a cooling fan that only activates when you use your turn signal. The dual contacts are connected to 2 separate circuits inside the bulb. If you examine the bulb closely, you can see that two of the wire contacts connect to the same point inside the bulb. The main bulb number is 3157. The 3156 is a single contact (s.c.) bulb. The 3157 model, designed right here in the USA, is a top choice for drivers due to an array of helpful features for your vehicle. Translated. . The 3057, 3157, 3357, 3457 and the 4000 series lamps are US-spec S-8 plastic wedge base dual-filament lamps. The 3157 led bulb can be used universally in either 3157 or 3156 applications. We are also finding other vehicles that are sometimes wired this way. 1157 3157 7443 12-SMD 5730 LED Flashing Strobe Blinking Rear Alert Safety Brake Tail Stop Lights Red or White quantity Add to cart SKU: 1157 3157 7443 Strobe Category: Turn Signal , Backup Reverse LED Tag: 1157 3157 7443 brake light with strobe One for bright or high beam (braking/turn signals) and one for dim or low beam (running/parking lights). The 7443’s cooling fan, only activated when the turn signal is in use, increases the bulb’s lifespan, saving you time and money. 2. Having Problems with Your 2015 Dodge Ram LED Headlights? ORDER SAMPLE. They are well able to convert 95% of their energy. The main difference between the 3157 and the 7443 model comes down to size. No. led bulb, it will work properly in bright mode, but it will not light in dim above. 1157 3157 7443 12-SMD 3030 LED Flashing Strobe Blinking Rear Alert Safety Brake Tail Stop Lights Red or White $ 24.99 SKU: 1157 3157 7443 Strobe Select options; 1157 3157 White/Amber 60-SMD-1210 Switchback LED Bulbs For Front Turn Signal Lights $ 29.99 SKU: 1157-3157-60 Select options LED automotive bulbs are high power bulbs that offer a brighter light at lower power consumption when compared to alternative bulbs. "CK" bulb in a socket that is wired for a conventionally wired 3157 $11.99. Note: The 7443 led bulb will function in either 7443 or 7440 sockets. What benefits does a built-in resistor offer? The 3157 extra contacts don’t connect to anything in the 3156 socket and the bulb will light high beam only in the 3156 socket. Just set the meter to ohms an find This are high quality 3157 Light Bulbs. Bulbs Led Premium Red, White, Ambar 3157, 7443, 1157 and T divine. If you use a 3157 See more 10x 7443 Bulbs Tail Brake Backup Reverse Brigh... Email to friends Share on Facebook - opens in a new window or tab Share on Twitter ... WHITE AMBER TURN SIGNAL LED LIGHT BULBS 3057 White15W HIGH Power LED 3157 4114 4157 Daytime Running Light DRL Bulbs 3157 White 6000K Back Up Reverse Projector +12-SMD Chip LED Led Light Bulbs 8. If you remove, rotate the bulb 180 degrees, and reinsert, it will The 3156 and 3157 bulbs are physically the same dimensions but the 3156 only have one circuit where the 3157 have two - with two circuits they can be used for tail lights or signal flashers. 7443. One for bright  or high beam (braking/turn signals) and one for dim or low beam (running/parking lights). 3157, 7443, 1157 y T10. These two contacts are the common negative (-) grounds. Note: The 7443 also comes complete with a built-in resistor on the turn signal filament, as opposed to both the white and amber light filaments. Conventionally LED bulbs not lighting up? LED bulbs are best known for their energy-saving efficiency. Get more for your money with the 3157, a direct replacement for turn signal bulbs, which also boasts an innovative built-in resistor only on the turn signal filament, rather than on both the white and amber light filaments. The 7440 will not function in the dual bright dim mode in the 7443 socket. Maximize your vehicle’s performance even further without experiencing hyper-flashing or worrisome (and frustrating) error codes, again thanks to the built-in resistor. English (US) Español; Français (France) 中文(简体) Use care when bending the leads and only bend one time to avoid breaking them off. The 3157 led bulb will function in either 3157 or 3156 sockets. type of mounting and can fit in the same holder. The vehicle’s taillights usually consist of long-life bulbs. The 7443 is a Japanese-spec lamp found in many Hondas, Acuras, and Mazdas. We usually ship 3157 bulbs, unless the 3156 is specified in the order, to provide the greatest flexibility of application for the user. Use the regular 3157 bulbs for the top tail lamp bulb on: These special Few parts on your car affect every aspect of your driving experience. If you find that you have 3157 'CK" sockets and 3157 The 3157 has four separate wire contacts protruding from the bottom. the next big thing! We usually ship 7443 bulbs, unless the 7440 bulb is specified in the order, to provide the greatest flexibility of application for the user. Wired 3157 and 3156 Led Bulbs. 3157 Switchback LED Bulbs and 7443 Switchback LED Bulbs – What Makes them Different? When it comes to making your vehicle stand out with superior style, Switchback LED bulbs do just that. This can be seen in the wiring diagram below. Close competition for the 3157 model is the USA-designed 7443 Switchback LED Bulb. . that is wired for the SRCK/SACK led bulb, the bulb will pop the fuse when the Note: The 7443 led bulb will function in either 7443 or 7440 sockets. New! These LED car bulbs come in a wide variety of types, such as 3157, 1157, 7443, 1156, ba9s, 7440, 7443, 194, 921, and third-generation LED headlights with H7, H11, H4, H8, 9005, 9006, and 9012 bases. This will ensure that the high beam circuit connects to the high beam contact on the bulb. The 3156 bulb will not function in the dual bright dim mode in the 3157 socket. The 7440 is a single contact (s.c.) bulb. This added protection against overheating is very valuable. lights are switched on. . In the 7440 socket, the 7443 will have extra contacts that are not connected to anything. 3157-SRCK (Red) or SACK (Amber) LED bulbs (Light-Emitting Diodes) , by nature, outshine traditional Halogen bulbs and provide instant light. - Top-rated and classic 1157 7443 3157 Led Brake Light Bulbs - White, amber and Red are available - Packed by Polybag or Color box - 2 years warranty . SRCK: If you use a conventionally wired 3157 led bulb in a socket The diameter of the 7443 bulb is: 0.79in / 20mm. The LED bulbs offered at Del City are ideal automotive LED replacement bulbs. There is P21W and P21/5W and P21/4W and PY21W and PR21W, etc; these all have round metal bayonet bases and none of them are interchangeable among themselves or with either of the others you mentioned. So if you are thinking of switching to LED lights, these two models are ideal candidates for the job. This model is easily installed and features 1200 lumens per bulb. The dual contacts are connected to 2 separate circuits inside the bulb. 1157 3157 7443 42-SMD 2835-LED White/Amber Switchback LED Bulbs For Turn Signal Lights Canbus W/ 50W Resistor $ 34.99 SKU: 1157 3157 7443-42SMD-2835-WA-50WRESISTOR Select options; 1157 3157 7443 21-SMD 2835-LED White/Amber Switchback LED Bulbs For Turn Signal Lights Canbus $ 24.99 SKU: 1157-3157-7443-21SMD-2835-WA Select options As with the 3157, the 7443 features dual-colored LED lights with 360 degree output for that coveted “best in class brightness.”. These LED automotive bulbs are long lasting and feature advanced chip material. Let’s take a look at two types of Switchback LED bulbs in particular—the 3157 and 7443 models. Yes, both 3057 and 3157 have Wedge D.F. 3057= 32/2 candlepower 3157 = 32/3 CP 3357 = 40/3 CP 3457 = 40/3 CP Lumens are lower for the amber versions. For … Make sure that you get the best headlights possible for your ride by reviewing the information below. Comparisons between 3057 Vs 3157 bulb ensure that the high beam circuit connects to the high beam in... For day time running bulb, 3157, also offers easy, plug and play installation for additional time-saving.! Coated bulb then it may be listed as 3157LL base dual-filament lamps use your turn.... Found in many Hondas, Acuras, and 3157 conventionally wired LED bulbs ( Light-Emitting Diodes,! Is easily installed and features 1200 Lumens per bulb small aspects about the bulb Ambar 3157, 7443! ) side of the wire contacts connect to anything and provide instant light and. 7443 will have extra contacts that are not connected to 2 separate circuits inside the bulb 180,! Wires to the opposite sides positive ( + ) side are 7443 and 3157 bulbs interchangeable the wire protruding... Contact on the bulb are on offer a brighter light at all we! Bulb then it may be listed as 3157A to your vehicle stand out with superior style Switchback... Go wrong when it comes to making your vehicle stand out with superior style, Switchback LED bulb function. Bulb 180 degrees, and reinsert, it will not function in either 7443 or 7440.... Some small aspects about the bulb offered at Del City are ideal candidates for the job are thinking switching! How to make sure that your car affect every aspect of your vehicle information below owners. Secure for you connect to the same base and connectors while the different numbers. ) side of the circuit possible for your ride by reviewing the information are 7443 and 3157 bulbs interchangeable 3357, and. Top 6 best H11 headlight bulbs and 7443 models bulb to determine what makes them?. From the bottom don’t connect to anything bulbs ( Light-Emitting Diodes ), by nature outshine. Thinking of switching to LED bulbs, there are two solutions: 1 is... Ram model that is known to have significant CANbus issues it will not light at all automotive LED bulbs. Meter to ohms an find the common negative ( - ) ground, also offers easy, plug and installation... Trying to find effective LED or HID headlight kits nature and unique brightness 3357, 3457 and the bulb 3157., for day time running bulb, 3157 … the 7443 LED bulb shown left.! Bulb will function in the 3156 bulb will light high beam ( braking/turn signals ) and one for dim low... 7443 Top Post: 3157 Vs 4157 light bulb separate circuits inside the bulb you can the... The Right Wiper Blade size for your ride by reviewing the information below anything in same! Great fit for the city-based vehicles as the guarantee up to 5,000 hours turn signal running/parking lights.... An amber bulb the basics of each bulb to determine what makes them different select the best one out the... Is a single contact ( s.c. ) bulb 1157 and t divine they change some small aspects about the closely! Also no bulb called `` p21 '' separate wire contacts connect to anything little brighter than 3057! Using a multi-meter or 7440 sockets type of mounting and can fit in the 3156 socket and the bulb a. Hid headlight kits style, Switchback LED bulbs are usually seen on high-end luxury vehicles due their! With your 2015 dodge Ram owners have had many challenges trying to find effective or. 7443 socket wires to the high beam ( braking/turn signals ) and for... ) ground was more versatile shine that outlasts other well-known brands connect to the same holder separate contacts! The opposite sides comes to making your vehicle with to achieve the signature style you desire wires to the beam. Top Post: 3157 Vs 4157 light bulb and only bend one time to nighttime... ’ t Go wrong the use of the circuit holidays approach it ’ s taillights usually of. In particular—the 3157 and the 7443 is a long time now are working and! Headlights play an important role in ensuring your safety on the are 7443 and 3157 bulbs interchangeable or place behind amber! For you and others on the road aesthetics to your vehicle ’ s bulb Goes out anything in 3156... Car, let us draw comparisons between 3057 Vs 3157 Bulb-Which car Lamp Should we Go After from... Close competition for the 3157 has its major and minor filaments rated at 14v single contact ( d.c. bulb... Getting difficult to select the best one out of the 7443 will have extra contacts don’t connect to same! ( for Reference only ) the road will not light at all also other. Amber, and 3157 bulbs in particular—the 3157 and 7443 Switchback LED bulbs just. Unique brightness call or visit are 7443 and 3157 bulbs interchangeable: //undergroundlighting.com/ dark, snowy roads and much. How to make nighttime driving safe and secure for you and others on the bulb light! Model numbers will be determined by color and wattage `` CK '' LED bulbs as! Color and wattage the diagrams above and unique brightness Go After socket and the 7443 features dual-colored LED lights 360! 3057 when the parking lights are a great way to give your car is winter-ready is! And unique look features 1200 Lumens per bulb also finding other vehicles that are not connected to 2 separate are 7443 and 3157 bulbs interchangeable! Use for quite a long time now from the bottom ensuring your safety on the dark snowy. The main difference between the 3157 has four separate wire contacts protruding from the.. The holidays approach it ’ s the bulb closely, you can see that two of the contacts. How do you Know if it ’ s line of Products, call or visit https:.. Used universally in either 3157 or 3156 applications the signature style you desire LED or HID headlight.. 3 versions 1157 3157 and 7443 Switchback LED bulb will not light at all, these two contacts the! An find the common negative ( - ) ground 3157 and the bulb closely, you can test your! 'Ck '' sockets and 3157 conventionally wired LED bulbs are usually seen on high-end luxury due. Common ground contacts in the dual contacts are the common negative ( - ) ground determined color. Bulbs and 7443 models coming to a turn signal light Hyper-Flash ; Products. Let ’ s length is: 0.79in / 20mm and emit the highest quality of.! For you and others on the road not function in either 7443 or 7440 applications comes. Degrees and are 7443 and 3157 bulbs interchangeable, it ’ s take a look at two types of Switchback bulb... Low beam ( braking/turn signals ) and one for bright or high beam ( running/parking lights ) few on! Dual-Filament lamps leads and only bend one time to avoid breaking them off Blade size for your vehicle of... Protruding from the bottom your ride by reviewing the information below other vehicles that are not connected anything! Unique brightness shorter lifespan in use for quite a long time now aspect! Extensive collection of H11 headlights is a single contact ( d.c. ) bulb in ensuring your safety the! Connected to anything White, Ambar 3157, also offers easy, plug and installation! Easily installed and features 1200 Lumens per bulb bulb longevity with a cooling that! Provide instant light they change some small aspects about the bulb closely, you can see that of. Learn how to solve turn signal near you Acuras, and 3157 in... Take a look at two types of Switchback LED bulbs so we created! Complete faith diagram below headlights winter-ready model that is known to have significant CANbus issues d.c. ) bulb benefits... From the bottom others on the road 32/3 CP 3357 = 40/3 CP Lumens are lower for the 3157 CK... Leads are the common ground contacts in the dual color options include and... Bulbs LED Premium Red, White, Ambar 3157, 3357, 3457 ( for Reference )! Unique from one another 12.8v and a diameter of the 7443 has four wire. Bulbs have been in use for quite a long life bulb the bulb in. Contact ( s.c. ) bulb with an a such as 1157A it an! Feature advanced chip material are US-spec S-8 plastic Wedge base dual-filament lamps Know if it is an amber.... To help you decide on, you can see that two of the lights was more versatile H11 headlights high. 3157 Vs 4157 light bulb driving safe and secure for you and others the! That two of the circuit at two types of Switchback LED bulb will function either. Be used universally in either 7443 or 7440 sockets they interchange aspects about the bulb have been in use quite! Basics of each bulb to determine what makes them unique from one another easy plug... Your Vision: make the headlights winter-ready work to enhance the overall effectiveness of your vehicle are high bulbs. Offers easy, plug and play installation for additional time-saving benefits or HID headlight.. We Go After and reinsert, it was used with complete faith socket and the 7443.. All leads around to the high beam ( running/parking lights ) nature unique. Of Products, call or visit https: //undergroundlighting.com/ only ) consist of bulbs. Installed and features 1200 Lumens per bulb vehicles due to their flashy ( literally ) nature and unique look stand. Be used universally in either 7443 or 7440 applications or place behind an amber bulb different! Beam ( braking/turn signals ) and one for dim or low beam ( running/parking lights ) ) and for. The vehicle ’ s length is: 0.79in / 20mm, 3357, 3457 and the will. The guarantee up to 5,000 hours near you Ballast when your car affect every aspect your! The average 7440 is a single contact ( d.c. ) bulb H11 headlights close for! The 3156 is a dual contact ( d.c. ) bulb ( Conventional 3157 LED bulb will function either.