21148730
Engine Oil Filler Cap
Mack

This essential cap seals the engine's oil fill opening, preventing contaminants from entering the lubrication system. Its secure fit maintains proper oil pressure and prevents leaks, which are critical for engine health and performance. The cap is designed to withstand high temperatures and exposure to engine chemicals, ensuring durability over time. A properly functioning oil filler cap also helps in maintaining the correct oil level, reducing the risk of engine damage due to oil starvation. Easy to install and remove, it simplifies routine oil changes and inspections. Ensuring this component is in good condition is fundamental for maintaining optimal engine operation and longevity. Source One Parts Center provides high-quality caps to keep your engine protected and running efficiently.