This is a drop-in replacement for the H27SN12 by WHELEN ENGINEERING, built to meet the precise operating requirements of the original lamp. Operating at 27W and 12V, it seats securely in the BI-PIN base socket.
This lamp restores proper beam alignment and light output to the vehicle lighting assembly, supporting safe visibility in low-light, rain, fog, and nighttime driving conditions. Its filament and capsule are designed to handle the vibration and thermal cycling of an automotive environment. It provides the light color and intensity drivers depend on for clear road illumination.
Key Features & Benefits
- Fits standard BI-PIN base sockets for straightforward replacement.
- Clear Finish T4 envelope for optimal light distribution.
- Rated 27W, 12V - sized for standard low-voltage electrical systems.
Product Specifications
- Wattage: 27W
- Voltage: 12V
- Base Type: BI-PIN
- Bulb Shape: T4
- Finish: Clear Finish
- Condition: Brand New
Common Applications
This halogen lamp is commonly used in:
- Vehicle headlamp assemblies
- Fog light and cornering light fixtures
- Turn signal and parking light housings
- Motorcycle and powersport headlamps
- Fleet and commercial truck lighting
- Volts: 12
- Watts: 27
- Base: BI-PIN G2.54
- Shape: T4
- MOL: 2.25
- Bulb Finish: CLEAR
- AMPS: 2.250
During the checkout process, you can choose from expedited services such as overnight delivery to standard ground shipping. We aim to ensure your order is delivered promptly and reliably, wherever you are.
All returns must be made within 30 days of purchase with the invoice. (After 30 days, Interlight credit only, Minimum 25% restocking fee, no returns after 60 days, special items order just for you are not returnable.)
At Interlight, your satisfaction is our priority. We offer a 30-day money-back guarantee on eligible products, provided they are returned in resalable condition with the original invoice.
