Compatibility ===== This multi-function combination switch fit for 87-94 Peterbilt 377, 88-98 Peterbilt 378, 87-98 Peterbilt 379. It is a suitable replacement for the original part numbers 978- TL4
High-Quality Construction ===== Crafted with durable materials, this multi-function combination switch is built to withstand the heavy-duty demands of your Peterbilt truck. It is designed to provide reliable performance and long-lasting durability
Versatile Functionality ===== The multi-function combination switch controls various functions in your truck, including lights, turn signals, wipers, and more. Replace your worn-out or malfunctioning switch with this replacement to restore full functionality and ensure safe and convenient operation
Enhanced Reliability ===== With its high-quality construction and reliable design, this multi-function combination switch is built to last. It can withstand the rigors of heavy-duty use, providing reliable performance and ensuring the proper functioning of your truck's electrical system
Direct Replacement ===== This combination switch is a direct replacement for the original part, ensuring a proper fit and easy installation. It is designed to match the specifications and requirements of your Peterbilt truck's electrical system