Washer Reservoir Cap for Kenworth T680 Next Gen 2021-Up and Peterbilt 579 Next Gen 2021-Up – Included in 575.10214 Reservoir

This Washer Reservoir Cap is engineered for Kenworth T680 Next Gen (2021-up) and Peterbilt 579 Next Gen (2021-up) models, designed to work with the 575.10214 reservoir assembly. Built from durable materials, it ensures secure sealing and reliable washer system operation under demanding conditions. Designed for precise fitment and easy installation, this cap supports proper washer fluid storage and consistent performance for commercial truck applications.