5839-3982246S
Engine Oil Filler Cap
Mack

The engine oil filler cap plays a critical role in maintaining the integrity of the engine's lubrication system. It provides a secure seal over the oil fill port, preventing contaminants such as dirt, dust, and moisture from entering the engine. This component is engineered to withstand high temperatures and pressure variations, ensuring a tight fit over extended periods of operation. Proper sealing with this cap helps maintain optimal oil pressure and prevents oil leaks, which could otherwise lead to engine damage or reduced efficiency. Its robust construction ensures durability even in demanding environments, making it a vital part for routine maintenance and repairs. Ensuring the correct fit and seal, this cap contributes significantly to engine longevity and reliable performance. Source One Parts Center supplies this essential part to support your vehicle’s engine health and operational reliability.