7440/7443 CK LED Bulb - Dual Function 27 SMD Tower - Wedge Base
Part Number:
7443-x27-T-CK-CAR
Manufacturer Part Number:
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Overview
CK-wired LED replacement bulbs can fit SRCK- and SACK-compatible vehicle tail lights, brake lights, reverse lights, turn signals, or side marker lights. This dual-contact, dual-function 7443 bulb emits a 360° viewing angle for better, allover light emission with reduced hot spots. Tower-style design with a 16-mm wedge base for easy plug-and-play installation. The energy-efficient bulb operates with in a wide 9-14.8 VDC range and is designed to last 25 times longer than incandescent bulbs on your car, truck, SUV, or van. CK bulbs contain both grounds on the same side of the wedge. Use a ground tester or contact your dealer to see if your vehicle has CK light sockets. Available in cool white, natural white, amber, and red. Not sold in pairs. Price per bulb.
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Super Bright LEDs, Inc. offers a 3-year warranty to protect against manufacturer defects and malfunctions. If you experience failure of an LED or other component not caused by negligence, abuse, unauthorized repair or disassembly, we will replace the product within the warranty period. In the case the exact product is no longer available, a gift card for the value of the original purchase price will be provided. Super Bright LEDs administers all warranty claims in-house. Read More
CK Wiring
CK Wiring—How your socket is wired determines the part number of the replacement bulb. CK sockets have a different wiring orientation, with the ground contacts at the top or bottom vs. standard (left/right). They appear in a few vehicles made in specific years and should only be used with compatible CK bulbs. Please consult your vehicle manual or use our Vehicle Bulb Finder tool to verify bulb compatibility with your vehicle's make and model.
Specifications
| Ambient Operating Temperature | -20 to 40 °C (-4 to 104 °F) |
|---|---|
| Base Type | W3x16d (Double) |
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Beam Angle
Beam Angle
Beam angle is used to express the width of the light emitting from the source. The narrower the beam angle the more focused the light energy is. Comparing two 40 watt lights one with a beam angle of 30(a) and another with a beam angle of 90(b), They both produce the same amount of light output but (a) will appear brighter in the beam angle compared to (b) at the sacrifice of light spread.
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360° |
| Brand | Super Bright LEDs |
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CAN Bus
CAN Bus
CAN Bus LED bulbs are simple plug-and- play LED bulbs which are made specifically for CAN Bus-equipped vehicles. These bulbs work with your vehicle's advanced computer system, so when your vehicle's computer reads them, they respond back correctly.
To see if your vehicle operates with a CAN Bus system, simply remove the bulb you're looking to replace, start your vehicle, and if you have a "Bulb Out" message on your dash you have a CAN Bus system. |
No |
| Compatible Stock Number | 7443CK |
| LED Lifetime | 30000 Hours |
| Operating Voltage | 9-14.8 VDC |
|
Polarity Sensitive
Polarity Sensitive
Polarity Sensitive (YES)
Bulbs have Plus and Minus (like batteries) and will only work when polarity is correct. If bulb does not work when installed, turn it around in the socket. Polarity Sensitive (NO) Bulbs do not have Plus and Minus and will work either way installed in the socket. |
No |
| Reference Number | 7443 |
| Warranty | 3 Year |
| Part NO | Current Draw | Efficacy | LED Color | Lumens | Oversize | Standards And Certifications | Wattage | Wavelength |
|---|---|---|---|---|---|---|---|---|
| 7443-A27-T-CK | 250 mA, 80 mA | 100 lm/W | Amber | 80 Lumens, 235 Lumens | Yes | CE | 3.4 Watts | 597 nm |
| 7443-A27-T-CK-2PK | 250 mA, 80 mA | 100 lm/W | Amber | 80 Lumens, 235 Lumens | Yes | CE | 3.4 Watts | 597 nm |
| 7443-CW27-T-CK | 250 mA, 80 mA | 85 lm/W | Cool 6500K | 90 Lumens, 290 Lumens | No | 3.4 Watts | ||
| 7443-CW27-T-CK-2PK | 250 mA, 80 mA | 85 lm/W | Cool 6500K | 90 Lumens, 290 Lumens | No | 3.4 Watts | ||
| 7443-NW27-T-CK | 250 mA, 80 mA | 100 lm/W | Natural 4000K | 90 Lumens, 290 Lumens | Yes | 3.4 Watts | ||
| 7443-NW27-T-CK-2PK | 250 mA, 80 mA | 100 lm/W | Natural 4000K | 90 Lumens, 290 Lumens | Yes | 3.4 Watts | ||
| 7443-R27-T-CK | 220 mA, 70 mA | 100 lm/W | Red | 11 Lumens, 36 Lumens | Yes | 3 Watts | 633 nm | |
| 7443-R27-T-CK-2PK | 220 mA, 70 mA | 100 lm/W | Red | 11 Lumens, 36 Lumens | Yes | 3 Watts | 633 nm |
Comparing Lumens Across Colors: Why Do Colored Bulbs Have Such Low Lumen Values
| Lumen meters are a great way to measure white light output but can be deceptive for colored bulb intensity. Lumens measure light wavelengths in all colors of the visible spectrum. Because multiple wavelengths create white light and colored bulbs are a single-wavelength source, colored bulbs will have lower lumen readings. However, they will appear equally as bright as a white bulb. | 
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Single Filament, Dual Filament, and CK Dual Filament
- How your socket is wired determines the part number of the replacement bulb. Sockets used for a single intensity call for 3156 or 7440 bulbs (single filament). In comparison, sockets with a dual intensity call for 3157 or 7443 bulbs (dual filament). Dual filament bulbs will function appropriately in a single-intensity socket. For example, a 3157 bulb will work in a 3156 socket, and a 7443 will work in a 7440 socket. However, single filament bulbs will not function in a dual-intensity socket. CK sockets have a different wiring orientation, with the ground contacts at the top or bottom vs. standard (left/right). They appear in a few vehicles made in specific years and should only be used with compatible CK bulbs. Please consult your vehicle manual or use our Vehicle Bulb Finder tool to verify bulb compatibility with your vehicle's make and model.
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