Are oil leaks creeping out from around your valve cover and making a mess on the block or in your engine bay? The MAHLE Rocker Box Gasket is engineered to restore a tight, dependable seal between your valve cover and cylinder head, preventing unwanted oil from escaping and dripping down your engine. A failing rocker box gasket can lead to smoke, oil contamination of ignition components, and messy engine bays. This replacement gasket keeps oil where it belongs, so your diesel runs cleaner, looks better, and doesn’t waste oil.

The MAHLE VS50854 gasket is precision‑manufactured from high‑quality, oil‑resistant materials designed to withstand the heat and vibration of heavy‑duty diesel operation. Its exact OE‑style profile ensures a direct fit with consistent sealing pressure for long‑lasting durability. Built to meet or exceed original equipment specifications, this gasket resists hardening, cracking, and deterioration over repeated heat cycles. Trust MAHLE’s proven engineering and premium sealing technology to deliver reliable leak prevention and robust performance for your engine’s rocker box application.