加強橡膠或矽膠都可以，但後來發現幾年後有破裂危險，於是豐田改回鋼管

Oil cooler hoses are an essential component of any engine’s lubrication system. They are responsible for transporting hot oil from the engine to the oil cooler, where it is cooled down before being circulated back into the engine. This process helps to keep the engine running at optimal temperatures, which can help to improve performance and extend the life of the engine.

Oil cooler hoses are typically made from rubber or silicone, and they come in a variety of sizes and shapes to fit different engine configurations. They are designed to withstand the high temperatures and pressures of an engine’s lubrication system, and are typically reinforced with fabric or wire to provide additional strength and durability.