This multi‑layer steel cylinder head gasket 12251‑RAA‑A01 is a vital sealing component fitted between engine cylinder head and cylinder block. It provides reliable sealing for combustion chamber, cooling water channel and engine oil gallery, avoiding combustion gas leakage, coolant loss and oil‑water mixing for Honda Accord CM5, CR‑V RD7 and Element equipped with K24A4, K24A8 2.4L engine from 2003‑2007. Built with precision multi‑layer steel sheets covered with high‑temperature resistant coating, it possesses excellent compression resilience, heat‑resistance and pressure‑bearing performance to withstand high‑temperature and high‑pressure working environment inside gasoline engine. All cylinder bore, water holes, oil holes and mounting hole positions strictly comply with OEM drawing standards. Every unit passes compression test, thermal cycle test and leakage inspection before shipment, ready for direct installation during engine overhaul without extra modification. Common failure symptoms include blown head gasket, white exhaust smoke, engine oil emulsification, persistent engine overheating and loss of cylinder compression. It must be replaced whenever cylinder head is disassembled, acting as critical heavy‑duty repair spare‑part for Honda 2.4L engine maintenance.
