Feature: 1. OE Number: The referencing OE number of this tube oil filler cap is 3968283, please double check the OE number of your item before ordering.2. Fitment: Tube oil filler cap is for MT55 MT45 2016‑2020 , for 5.9L 6.7L, for 2500 3500 4000 4500 5500 2016‑2019. 3. Function: Tube oil filler cap is used for filling oil and protect oil tank, protect tube oil system of your car by ensuring secure and operational. 4. Replacement Cap: Reliable replacement for car part replacing that is missing or cracked due to heat and fatigue, can be perfectly matched with vehicle. 5. ABS Material: Tube oil filler cap is made of ABS, has durable construction to ensure reliable performance and long service life with high accurate. Specification: Item Type: Tube Oil Filler Cap Package List: 2 x Tube Oil Filler Cap |