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EiKO 1156 Automotive Bulb 12.8V 2.1A S-8 Single Contact Bayonet Base
Professional automotive lighting solution with reliable performance
The EiKO 1156 Automotive Bulb delivers dependable 12.8V operation at 2.1A with S-8 bulb configuration and Single Contact Bayonet base design. This professional-grade automotive bulb features C-6 filament construction and produces 400 lumens output with 1,200-hour rated life for reliable vehicle lighting applications.
Professional Features & Benefits
- 12.8V 2.1A Operation: Optimized electrical specifications ensure consistent performance and proper compatibility with automotive electrical systems.
- Single Contact Bayonet Base (BA15s): Standard bayonet mounting provides secure installation and reliable electrical connection in automotive fixtures.
- S-8 Bulb Configuration: Compact bulb design fits standard automotive lighting assemblies while delivering focused light output.
- 400 Lumens Output: Provides bright, reliable illumination for automotive signaling and lighting applications.
- C-6 Filament Design: Professional filament construction ensures consistent light output and reliable operation throughout rated life.
- 1,200-Hour Rated Life: Extended service life reduces maintenance frequency and provides dependable long-term performance.
Technical Specifications
- Amps: 2.1
- Base Type: Single Contact Bayonet (BA15s)
- Bulb Type: S8
- California Title 20: Exempt
- Dimmable: FALSE
- Dlc Premium: FALSE
- Dlc Standard: FALSE
- Energy Star: FALSE
- Filament: C-6
- Lcl In Mm: 1.25/31.80
- Lumens: 400
- Mod In Mm: 1.04/26.40
- Mol In Mm: 2.00/50.80
- Rated Life: 1,200
- Voltage Rating: 12.8
Professional Applications
- Automotive Turn Signal Systems
- Brake Light Applications
- Backup Light Assemblies
- Commercial Vehicle Lighting
- Fleet Maintenance Operations
- Automotive Service Centers
- Transportation Equipment
Why Choose EiKO Quality?
EiKO automotive bulbs provide professional-grade reliability with consistent performance specifications and dependable 1,200-hour rated life. The Single Contact Bayonet base design ensures secure installation while C-6 filament construction delivers reliable operation for demanding automotive applications.
Manufacturer Resources
Product Specs
- Amps:
- 2.1
- Base Type:
- Single Contact Bayonet (BA15s)
- Bulb Type:
- S8
- California Title 20:
- Exempt
- Dimmable:
- FALSE
- Dlc Premium:
- FALSE
- Dlc Standard:
- FALSE
- Energy Star:
- FALSE
- Filament:
- C-6
- Lcl In Mm:
- 1.25/31.80
- Lumens:
- 400
- Mod In Mm:
- 1.04/26.40
- Mol In Mm:
- 2.00/50.80
- Rated Life:
- 1,200
- Voltage Rating:
- 12.8
EiKO 1156 – Frequently Asked Questions
1) Is the EiKO 1156 bulb a single filament or dual filament bulb, and will it fit a 1157 socket?
The 1156 is a single contact bayonet bulb, base type BA15s, with one C-6 filament. A 1157 socket is double contact (BA15d) and expects two filaments, one for tail and one for brake or turn. The two are not interchangeable: a single contact 1156 will not seat correctly or give you both circuits in a 1157 socket. Use the 1156 where the fixture has a single contact socket, such as backup lights, single function turn signals, or single circuit brake lamps.
2) What are the physical dimensions of the 1156 bulb so I know it clears my lamp housing?
The glass is an S-8 shape with a maximum overall diameter of 1.04 inches (26.40 mm) and a maximum overall length of 2.00 inches (50.80 mm) including the base. Light center length, from the base reference plane to the filament, is 1.25 inches (31.80 mm). That LCL is the number that matters if you're checking focus in a reflector housing.
3) Is the 1156 covered by California Title 20 energy regulations or Energy Star?
Exempt from California Title 20. It carries no Energy Star qualification and no DLC Standard or DLC Premium listing, which is expected for an automotive signaling lamp rather than a general service lamp. If you're buying for a utility rebate program, this bulb won't qualify under those programs.
4) What part number do I order for the EiKO 1156?
The manufacturer part number is simply 1156, from EiKO. That is the industry standard ANSI trade number for this lamp, so an 1156 called out on a service manual or a fixture label is the same bulb regardless of who printed the label.
5) How long does an 1156 bulb last, and how should a fleet plan replacements?
Rated life is 1,200 hours. For signaling duty, turn signals and brake lamps, actual on-time is a small fraction of engine hours, so that carries a long service interval. Backup lamps and any circuit left on continuously will burn through it faster. Fleet shops usually stock these by the case and replace in pairs so both sides age together and output stays matched.
6) Can I dim the EiKO 1156, or run it on a PWM dimming circuit?
Not a dimmable bulb by rating. It's an incandescent filament lamp intended for full-voltage on/off signaling circuits, and it is listed as non-dimmable. Some vehicles do run tail and brake through a reduced-voltage or pulsed circuit for the dual-intensity effect, but the bulb is specified for straight 12.8 volt operation.
7) How bright is the 1156 compared to what I'm replacing?
Output is 400 lumens from a C-6 filament in an S-8 envelope. That is the standard brightness for a 1156, so a like-for-like swap into a turn, brake, or backup housing gives you the same light the fixture was designed around. Ordering by the 1156 number gets you that output regardless of which housing it goes into.
How fast can I get the EiKO 1156 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the
continental
U.S.
Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit,
reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the EiKO 1156 come with a warranty?
Absolutely. The EiKO 1156 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the EiKO 1156?
You can call, text, or email our expert support team for fast answers. We’re here to help with
product
selection,
installation tips, and troubleshooting. Contact Us
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Our team is always ready to help you choose the right product for your project.