Features: Ensure your for VNL D13 engine operates at its best with the Engine Thermostat, a replacement that maintains temperature control. Crafted with high quality metal, this thermostat is engineered for durability and precise temperature maintenance, preventing overheating and ensuring engine longevity. For truck drivers and automotive professional who demand reliable performances and precisions in engine maintenance for their for VNL D13 models. A must have for long transportation and applications, this thermostat keep your engine running smoothly under various driving conditions. Upgrades your engine's cooling efficiency with our easy to install thermostat, designed to fit OEM specifications for a fit in your truck. Specifications: Material: Metal Size: About. 11cm/4.33in Part Number: 21613426 20560249 21237213 21412639 Applicable Model: for VNL D13 2011-2022 Package Includes: 1pc Engine Thermostat note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.