Head gasket set for Penta MD1B MD2B MD3B AQD2B 875500 875502 875504 876374 876375 876377 piston This head gasket set is designed for use with Penta MD1B, MD2B, MD3B, and AQD2B outboard engines.It includes all necessary gaskets and components required for a complete cylinder head replacement.The set is engineered to match the specifications of these engine models, proper fit and function during installation. The gaskets are constructed from materials suitable for marine environments, capable of withstanding the thermal and mechanical stresses encountered in engine.Multi-layered design helps maintain a consistent seal between the cylinder head and engine block, preventing leakage of coolant, oil, and combustion gases. Compatible with part numbers 875500, 875502, 875504, 876374, 876375, and 876377, this set serves as a direct replacement for the corresponding factory components.It supports engine performance by maintaining compression and separating fluid passages within the engine structure. Common signs of head gasket failure include overheating, loss of power, white exhaust smoke, coolant or oil leaks, and presence of milky residue in the oil.Replacing the head gasket at the onset of such issues can help avoid further engine damage. This set is suitable for use during engine rebuilds, maintenance overhauls, or repairs involving the cylinder head.Proper preparation and torque procedures are recommended to correct installation and long-term. Compatibility Statement: This is a third-party replacement.Brand/model references serve only as compatibility indicators.