If you're working on Onan B or P series engines, this Stens graphite head gasket is the exact replacement you need for a proper seal! Directly replacing OEM part numbers Onan 110-3181 and Case C26201, this gasket matches the original specifications perfectly for reliable performance. The graphite material provides excellent heat resistance and sealing properties, ensuring a tight seal between your engine block and cylinder head. Important note - this gasket is not compatible with fuels containing more than 10% ethanol, so make sure you're using appropriate fuel for your equipment. Installation follows standard head gasket replacement procedures - clean both sealing surfaces thoroughly, position the gasket correctly, and torque the head bolts to specification in the proper sequence. Whether you're rebuilding an engine or repairing a compression issue, having the correct head gasket is crucial for proper engine operation and longevity. Stens is known for quality replacement parts that meet or exceed OEM standards, and this graphite head gasket delivers the reliable performance you need to get your Onan engine running smoothly again with proper compression and no leaks.