M92-6117-101800
Exhaust After-Treatment Wiring Harness for 2021A Cummins
Kenworth®

The 2021A Cummins Exhaust After-Treatment Wiring Harness is an essential OEM component that ensures proper electrical connections within your Kenworth truck’s emission system. Designed for durability and precise fit, this harness connects sensors, control modules, and actuators, enabling efficient operation of the exhaust after-treatment devices. Constructed from high-quality materials, it withstands extreme temperatures, vibrations, and environmental exposure, maintaining reliable performance over time. Installing genuine OEM wiring harnesses like this one is critical for emissions compliance, engine efficiency, and vehicle longevity. Whether replacing a damaged harness or upgrading your system, sourcing authentic parts from Source One Parts Center guarantees compatibility, durability, and peace of mind. We are your trusted supplier for genuine Kenworth parts, offering expert support, competitive pricing, and fast delivery to keep your fleet running smoothly.