Retrofit Adaptors

Upgrade your single-diode LED clearance and side marker lights with our Retrofit Adaptors. Made of durable black ABS construction, these adaptors are available with 2 or 2 1/2 inch mounting holes and are corrosion resistant. Each adaptor retrofits most Peterson 171, 176, 177, and 181 series lights, making it a practical and cost-effective solution for your vehicle. Upgrade your lights with ease and ensure they stay secure and functional for the long haul.