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2010 Infiniti FX35 Back Up Light Bulb7440/7443 CK LED Bulb - Dual Function 27 SMD Tower - Wedge Base
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 within 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.
- Turn Lights
- Side Marker Lights
- Tail Lights
- Reverse Lights
- Brake Lights
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Specifications
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.
| Part NO | CCT / Wavelength | Brightness | Current Draw @ Operating Voltage | Price Ea. | Product Weight | |
|---|---|---|---|---|---|---|
| 7443-R27-T-CK | 633 nm | 11/36 lm | 0.07/0.22A | $14.95 | - | |
| 7443-NW27-T-CK | 4000 | 90/290 lm | 0.08/0.25A | $14.95 | - | |
| 7443-CW27-T-CK | 6500 | 90/290 lm | 0.08/0.25A | $14.95 | - | |
| 7443-A27-T-CK | 597 nm | 80/235 lm | 0.08/0.25A | $14.95 | - | |
| 7443-R27-T-CK-2PK | 633 nm | 11/36 lm | 0.07/0.22A | $29.90 | - | |
| 7443-NW27-T-CK-2PK | 4000 | 90/290 lm | 0.08/0.25A | $29.90 | - | |
| 7443-CW27-T-CK-2PK | 6500 | 90/290 lm | 0.08/0.25A | $29.90 | - | |
| 7443-A27-T-CK-2PK | 597 nm | 80/235 lm | 0.08/0.25A | $29.90 | - |
| 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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- When looking for a replacement bulb, the way the socket is wired determines the part number of the replacement bulb. Sockets that are used for a single intensity call for 3156 or 7440 bulbs (single filament), while sockets that have a dual intensity call for 3157 or 7443 bulbs (dual filament). Dual filament bulbs will function properly in a single intensity socket. So 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 indicates where the socket's positive and negative terminals are located. CK LED bulbs are very versatile and can be used in any application a CK or non-CK bulb is used.
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Larger base
The base of this bulb was slightly larger than the bulb it replaced. The bayonet style base just barely wedged into the existing socket on my 2015 Silverado. However, the bulb's contacts still connected and the light works. I am somewhat worried that over time the bulb may pop out. But for now, the bulb is bright and functioning.
Eehh...
I thought these would be a lot brighter than my poem, filament brake lights. Instead, it turns out that the oems are much brighter....WTH. I am returning them and ordering one up from these to see if that helps. I live in an area where there are a lot of drivers that like to ride your tail. Maybe the new ones will send the proper message.
