2-Pack 1156 1157 BAY15D Bulb Socket Adapter – Lamp Holder Base
2-Pack 1156 1157 BAY15D Bulb Socket Adapter – Lamp Holder Base
2-Pack 1156 / 1157 BAY15D Pre-Wired Bulb Socket Adapter
Upgrade your vehicle's lighting setup with ease using these pre-wired 1156/1157 BAY15D bulb socket adapters. Designed for plug-and-play convenience, these connectors let you extend, replace, or add an extra light outlet without any professional tools or mechanical experience required. Whether you're replacing a worn socket or building a custom lighting setup, these adapters deliver a secure, reliable connection every time.
Key Features
- Wide Compatibility: Fits bulb types P21W, 7528, 1156, 1157, BA15S, BAY15D, BAU15S, 7440, 7443, 7506, 2056, and 1141 — incredibly versatile for a range of automotive lighting applications.
- Pre-Wired Plug-and-Play Design: Comes fully wired (12–18 cm wire length) for fast, hassle-free DIY installation — no mechanic needed.
- High-Quality Materials: Built from durable ABS plastic and nylon with high-efficiency copper wiring, providing excellent heat resistance and long-lasting conductivity.
- DC 12V Compatible: Designed specifically for standard 12V automotive electrical systems.
- Lightweight: Each set weighs only 30g, so there's no added bulk to your vehicle.
- Create Extra Light Outlets: Ideal for extension or replacement purposes, including setting up additional light points for custom builds.
- Brand New: 100% new components in every pack — no refurbished parts.
Specifications
| Voltage | DC 12V |
| Material | ABS Plastic, Nylon, Metal, Copper |
| Style | Pre-Wired Plug |
| Wire Length | 12–18 cm |
| Compatible Bulbs | P21W, 7528, 1156, 1157, BA15S, BAY15D, BAU15S, 7440, 7443, 7506, 2056, 1141 |
| Weight | 30g |
| Country of Origin | Made in Mainland China |
Package Contents
- 2 × LED Light Bulb Socket Adapters (pre-wired)
Please Note: These are produced in batches; color may vary slightly between batches. Color variation is a normal product characteristic and does not affect performance or compatibility.
Learn more: FuelEconomy.gov driving efficiency guidance
Frequently Asked Questions
Q: What bulb types are compatible with the 1157 BAY15D bulb socket adapter?
A: These socket adapters are compatible with a wide range of bulb types, including P21W, 7528, 1156, 1157, BA15S, BAY15D, BAU15S, 7440, 7443, 7506, 2056, and 1141. This makes them suitable for tail lights, rear turn signals, and other standard 12V automotive lighting applications.
Q: Is professional installation required for these bulb socket adapters?
A: No — these adapters feature a pre-wired plug-and-play design with 12–18 cm of wire already attached, making DIY installation straightforward. No special tools or mechanical expertise are needed to connect and use them.
Q: Can I use these adapters to add an extra light outlet in my vehicle?
A: Yes! These socket adapters are designed not only for extension or direct replacement purposes but can also be used to create additional light outlets in custom automotive lighting setups, giving you flexible options for your build.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.