MAHLE Y-Bridge Inlet Tube O-Ring 04.5-05 GM 6.6L Duramax LLY

Looking for a dependable gasket that restores a proper seal in your intake system and keeps your engine running smoothly? The MAHLE Intake Plenum Gasket is designed to eliminate leaks at the plenum connection and maintain the airtight seal your engine relies on for proper airflow and efficient combustion. When intake gaskets wear out, unmetered air can enter the system, leading to rough idle, reduced performance, poor fuel economy, and inconsistent drivability. The G31918 provides a direct-fit OE-style replacement that restores the seal between intake components, helping your engine maintain balanced airflow and reliable operation during daily driving or demanding conditions. The MAHLE G31918 is manufactured using OE-equivalent materials and precision molding processes to ensure consistent sealing pressure and long service life. Its molded-rubber gasket construction forms a continuous seal without joints, improving durability while resisting cracking, shrinking, and deformation from heat cycles and engine vibration. Designed to meet or exceed original equipment specifications, this gasket maintains reliable sealing integrity while allowing accurate alignment during installation.