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The Best 12V 21W Bulb Led Replacement of 2022 – Reviewed and Top Rated

After hours researching and comparing all models on the market, we find out the Best 12V 21W Bulb Led Replacement of 2022. Check our ranking below.

2,922 (random) Reviews Scanned

Rank No. #1
1156 1141 93 12V Low Voltage BA15S Bayonet for Landscape Patio Light Deck Light Replacement LED Light Bulb 2.5W 330lm Equivalent S8 Incandescent Bulb 35W Warm White 3000K Pack of 4
  • 1156 1141 93 12V LED bulb with BA15S single contact bayonet base as an replacement for RV light bulb, landscape light bulb working under 12V-24V AC/DC power system. Smaller diameter:D20mm*H45mm than S8 incandescent bulb, it can be fit in different fixture, such as RV interior light, patio light, deck light, pathway light, and also an replacement bulb for mower lawn tractor, lawnmower headlights fish house.
  • LED bulb as a light source offer 25,000hours lifetime, 10 times longer than incandescent or filament bulb, save your money and time at frequently changing bulbs, no polarity AC and DC 12-24V widely working voltage insure a stable light output when the battery system didn’t offer constant voltage. BA15S single contact bayonet 1156 1141 93 LED BULB as improvement and replacement for 416719, ML18WB2C, 95506, 54802, S3723 S8 landscape light bulb.
  • Less power consumption, much light come, 1156 1141 led light bulb 2.5W 330lm output equivalent 30-35W incandescent bulb. 1pcs 2.5W BA15S led light bulb output 330lm equivalent 30pcs X 1.44W Halogen bulb, 20pcs X 2.1W Halogen bulb , 3pcs X 13.3W halogen bulb and 2pcs X 16W halogen bulb, same light need 10% lower power consumption, save more than 90% energy, make sure your battery working longer time.
  • Warranty and service: we will offer 12 Months Warranty, Zero-risk Purchase, if you are not satisfied with your purchase or have some problem at technical details, please contact with us by email directly, we will make sure 24-hours Email service and response.
  • Note: This bulb is NO canbus function, led bulbs with a much lower Amp comparing with halogen bulb, when replaced incandescent bulb as turn signals light, backup light, sometimes it will show warning error code or flashing, then please try to load an extra canbus resistor to solve this error or flashing, if the problem can not be solved please contact with us.
Rank No. #2
1797 BA15S 1156 P21W S25 LED Turn Signal Lights Bulbs Error Free No Anti Hyper Flash Amber Yellow Tail Lamps Front Rear Replacement Super Bright Projector 3014SMD 12V 21W 2 Pack
  • 【ERROR FREE】①Anti-hyper flash with a built-in load resistor and do not need an external canceller or any refit. ②Built-in Intelligent constant current circuit and adjust the current automatically, LED chips have stable luminescence and long lifespan.(There is a problem of the dashboard due to use 4 additional LED bulbs on one vehicle or other LED bulbs, then need load resistor to prevent it.)
  • 【SPECIFICATIONS】Only fit for S25/1156/BA15S/P21W(180°) turn signal light, plug and play, just feel free to contact us before purchase if not sure the size of turn signal light.
  • 【HIGH BRIGHTNESS】Each bulb made with 144pcs super bright LED 3014SMD chips,360° lighting angle by 18pcs chips on the top(with a projector lens) and 126pcs chips on the round side.
  • 【PARAMETERS】Color: Amber/Yellow, LED Chips: 3014 SMD, LED Chips QTY: 144pcs, Voltage: DC 12V, Wattage: 21W, Ampere: 1.75A, Length: 2.2in (56MM), Maximum Diameter: 0.79in (20MM), Lifetime: More than 30000 hours, Package: 2pcs bulbs & 1pc warranty card, Warranty: 1 Year.
  • 【NOTES】①Professional installation is recommended. ②Actual lighting maybe different of the picture due to the shooting environment and angle. ③Buy with confidence, 1 Years warranty of the item and please contact us directly if have any questions, a quick replacement or a full refund is available.
Rank No. #3
1797 BAU15S PY21W 1156 S25 LED Bulbs Amber Yellow Turn Signal Lights Error Free No Anti Hyper Flash Tail Lamps Front Rear Replacement Bright Chrome Invisible 3014SMD 12V 21W 2 Pack
  • ERROR FREE - ①Anti-hyper flash with a built-in load resistor and do not need an external canceller or any refit. ②Built-in Intelligent constant current circuit and adjust the current automatically, LED chips have stable luminescence and long lifespan.(There is a problem of the dashboard due to use 4 LED bulbs on one vehicle or other LED bulbs, then need load resistor to prevent it.)
  • CHROME-PLATED COVER - Designed with a chrome-plated glass cover, when the turn signal light is turned off, the color of bulb and the light base blend into one, making the light more beautiful and fashion. At the same time, the chrome-plated glass cover is translucent, and the bulb can emit yellow light without affecting the use of the turn signal. Highly recommend the bulb be use in vehicles which have transparent turn signal lampshades.
  • SPECIFICATIONS - Only fit for S25/1156/BAU15S/PY21W(150°) turn signal light, plug and play, just feel free to contact us before purchase if not sure the size of turn signal light.
  • HIGH BRIGHTNESS - Each bulb made with 144pcs high bright LED 3014SMD chips,360° lighting angle by 18pcs chips on the top(with a projector lens) and 126pcs chips on the round side.
  • PARAMETERS - Color: Amber/Yellow, LED Chips: 3014 SMD, LED Chips QTY: 144pcs, Voltage: DC 12V, Wattage: 21W, Ampere: 1.75A, Length: 2.2in (56MM), Maximum Diameter: 0.79in (20MM), Lifetime: More than 30000 hours, Package: 2pcs bulbs & 1pc warranty card, Warranty: 1 Year.
Rank No. #4
Chemini 2pcs White 7440 T20 LED Bulb W21W 7440NA Super bright Reverse Light Bulb 21W 12-24V Car Led Bulbs for Brake Light, Back up Reversing Light with 46 Leds
  • Advantage: Voltage: 12V-24V, color: white, this 7440 led bulb is made of aviation aluminum, fast heat dissipation, IP68 waterproof, service life up to 50,000 hours.
  • Superbright: equipped with high brightness 3020 led chipsets. brighter lightning than original bulb can improve your visibility and safety at night, light up your way home!
  • Easy to install: Plug and play bulb, easy to Install whitin 10 Mins. Even girls can easily install it, so there is no need to worry about installation problems.
  • Fits: 992, 7440, 7441, 7443, 7444, W21W, WY21W, 7440NA, 7440NAK, 7444NA, 7444NAK, 7443LL, T20 etc, widely used for brake lights,tail lights, daytime running lights etc.
  • Please buy with confidence,we provides replacement and 24 hours response service.We attach great importance to pre-sale and post-sale service.
Rank No. #5
1797 T20 7440 W21W WY21W LED Bulb No Anti Hyper Flash Amber Yellow Front Rear Tail Turn Signal Lights Lamps Wedge Bulbs Replacement Error Free Super Bright 3030SMD 12V 21W Pack of 2
  • 【SPECIFICATIONS】Only fit for T20/7440/W21W/WY21W turn signal light, plug and play, just feel free to contact us before purchase if not sure the size of turn signal light.
  • 【HIGH BRIGHTNESS】Each bulb made with 35pcs high bright LED 3030 SMD chips,360° lighting angle by 10pcs chips on the top and 5pcs chips on each side(Total 5 sides in one bulb).
  • 【EXCELLENT HEAT DISSIPATION】Aluminum plate inside which has excellent heat dissipation, high quality aluminum alloy outside and 10pcs holes on the body speed up the cooling rate.
  • 【STRONG STABILITY】Built-in Intelligent constant current circuit and adjust the current automatically, LED chips have stable luminescence and long lifespan.
  • 【PARAMETERS】LED Chips: 3030 SMD, Chips QTY: 35pcs, Voltage: DC 12V, Wattage: 21W/Bulb, 42W/Pair, Ampere: 1.75A/Bulb, Length: 1.93in(49MM), Maximum Diameter: 0.79in(20MM), Lifetime: More than 30000 hours, Package: 2pcs bulbs & 1pc warranty card, Warranty: 6 months.
Rank No. #6
OPALRAY DC 12V Input 4W LED Bulb, Dimmable with 12V DC Dimmer, E26 Medium Base, Clear Glass Torpedo Tip, Warm White Light, 40W Incandescent Replacement 12Volt LED Light Bulb, 12V-24V DC, 3-Pack
  • OUTSTANDING LIGHTING PERFORMANCE - Auto Adapt the Positive and Negative Pole, Compatible with 12 Volts / 24 Volts DC Dimmer and 0-10 Volts DC Dimmer. Also Work well without Dimmer
  • LONG LIFE-25000 hours (used 3 hours per day) -Warranty- 100% return and replacement guaranteed
  • VINTAGE LOOKING LED BULB - Classic Torpedo Tip Style, Soft Warm White Light 2700K, 360 Degrees Beam Angle, 400Lumens Brightness
  • E26 MEDIUM BASE BULB- E26 Medium Base Lamp Fixture. Mercury free, no flicker and no UV
  • TECHNICAL FEATURES-Integrated Over Temperature Protection, Overload Protection, Short-Circuit Protection, Much Safer
Rank No. #7
OUSHI 1157 BAY15D Led Bulb, Canbus P21/5W 2057 2357 7528 Led Bulb Extremely Bright 4000LM 12V-24V 21W Replacement For Car Led Brake Light Lamp Tail Light, Brilliant Red (Pack of 2)
  • ★【High Brightness 1157 BAY15D P21/5W LED Brake Light】 Color temperature: brilliant red. Operating voltage: 12V-24V. LED power: 21W/Pair. 4000LM output(2000LM/bulb). Made of premium quality aluminum alloy, good heat dissipation, safer than halogen bulbs, with a lifetime of up to 45,000 hours. Low heat generation, energy-saving and much longer lifespan.
  • ★【Superior Powerful Light】Every led light bulb has the 6pcs 2835 SMD chips on the top, which greatly make the light more focused and more powerful when the light reflects from the light assembly onto the ground. 6pcs 2835 SMD chips plus 60 pcs 4014 SMD chips, 360° lighting angle, about 300% brighter than the Halogen bulb.
  • ★【Canbus Error Free For Nearly 98% Vehicle】Since car on board computer is complicated, all led bulbs in the marketplace can't do 100% error free on all kind of cars in the world. For some special new cars may require additional load resistors to by pass the error code/flash issue. If your car system reports error message, please contact us and we will help you further.
  • ★【Compitable Socket】1157 BAY15D P21/5W 2057 2357 7528 1016 1034 1157A 1178A 1196 2057A 2357A 2357NA 2397 3496 7528 94. It can only be used as car Brake Light Lamp Tail Light. Please check your car manual or confirm the size of existing bulb which you want to replace. Easy to install, plug-n-play.
  • ★【Excellent Support】Buy with confidence, we provide TWO YEAR warranty support for our product which confirm to be manufacturer defect. Please check your car’s compatibility carefully before purchase. Please feel free to contact us first if you have any problem, we will always try our best to help you.
Rank No. #8
Philips Automotive Lighting P21W LongerLife Miniature Bulb, 2 Pack,White,12498LLB2
  • Twice the life of standard incandescent bulbs
  • Best value
  • Original equipment quality seal for the most reliable performance
  • Always replace in pairs to ensure a symmetric light beam from both bulbs on the road. Bulbs dim over time
  • Miniature bulbs by Philips, for over 100 years we have been continuously innovating automotive lighting
Rank No. #9
Heifymi BA15S LED Bulbs 12V,1156 1141 1003 LED Light Super Bright 6000K Bayonet Bulb Socket Single Contact,AC10-24V Replacement for Landscape Path RV Camper Trailer Boat Trunk Interior Lights,3Pack
  • 【Wide voltage compatibility】low voltage range AC10-24V & DC10-30V, durable and non-fading brilliant beams. Good vibration resistance and stable emitting, suitable for any low-voltage fixture on the BA15S base.
  • 【Easy installation】Original plug design, no need to change the circuit card holder, no warm-up required, just plug and play.Fits: 1156 1003 BA15S P21W 1156A 1156NA 87 93 97 97A 97NA 199 631 1073 1095 1141 1195 1295 2396 3497 5007 5008 7506 12088 1295NA etc.
  • 【Excellent advantage】High brightness 330lm and color rendering index > 82Ra, unique 360 ° surround luminous design, cautionary and eye-catching, No dark area and high fouusing.
  • 【Long lifespan】 High quality lamp body material with improved heat disspation, high quality LED chips ensure BA15S long lifespan over 30,000 hours, cools faster & lasts longer.
  • 【Wide range of uses】The 6000K daylight white BA15S LED bulb 3W 12 Volt is perfect for landscape lighting, garden, lawn lights, puck lights, kitchen under gazebo lights, paver lights, interior car RV trailer camper marine boat light, turn signal light,Back Up Reverse Lights, Brake Lights, Tail Lights, Daytime Running Lights, Fog Lights,etc.
Rank No. #10
1156 Ba15s 1141 P21w 12v LED Bulbs, Single Contact Bayonet Base, 5W Cool White 6000K 500LM, Waterproof Light, For RV, Trailer, Boat, lawn tractors, mower. (Pack of 2)
  • ✔ ba15s/1156/1141/P21w led bulb made of clear silicone material are waterproof, No heat.
  • ✔ SIZE: 46*15mm, 1.8*0.6In, They fit in tight spaces very well, easy to install.
  • ✔ AC/DC12V, Life time of up to 30000 hours, 1 year warranty.
  • ✔ 5w equivalent to 35W incandescent bulb, reducing electrical consumption.
  • ✔ Use for: RV, deck, backup lights, camper, tractor, boat, Mower, Landscape Light.

Last update on 2023-10-03 / Affiliate links / Images from Amazon Product Advertising API

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  3. Specifications: How powerful they are can be measured.
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  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their 12V 21W Bulb Led Replacement.
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