Coolant Reservoir Cap 21LB for Freightliner 2018 Cascadia P4 – Fits Reservoir Side – Compatible with OEM 0532312000

This 21LB Coolant Reservoir Cap is engineered for Freightliner 2018 Cascadia P4 models, specifically for reservoir side applications. Built from durable materials to handle demanding environments, it helps maintain proper cooling system pressure and consistent performance. Designed as a direct replacement for OEM 0532312000, this cap ensures accurate fitment and long-lasting reliability for commercial truck maintenance and repair applications.