Porsche 718 Cayman 982C Gearbox Coolant Return Hose Pipe Water Line 9G230707801

Porsche 718 Cayman 982C Gearbox Coolant Return Hose Pipe Water Line is an original Porsche component, belonging to the Cooling system hoses and pipes group, designed for operation in the gearbox cooling circuit. Engineered as a factory component, it ensures proper coolant flow and stable thermal conditions for the transmission, which translates into predictable drivetrain performance.

Specifications and technical data

• SKU: 9G230707801
• Mark: Porsche
• Condition: Used
• OEM Part Number: 9G230707801
• Substitutable numbers: 9G230707801, 9G2 307 078 01
• Part type: Hose
• Category: Coolant Hoses

Function and role in the gearbox cooling system

The gearbox coolant return hose in the 718 Cayman 982C model is responsible for directing coolant from the heat exchanger or radiator back into the circuit. A correctly selected and leak-free component:

• stabilizes the gearbox operating temperature during city and highway driving,
• reduces the risk of transmission overheating during dynamic acceleration,
• supports uniform lubrication of internal components by maintaining appropriate thermal parameters. By maintaining the factory hose geometry, the gearbox cooling system retains the flow characteristics designed by the manufacturer, which is particularly important in sports cars such as the 718 Cayman.

Benefits of using an original Porsche hose

The original return hose, sourced from disassembly, ensures a perfect fit for factory mounts and routing. In practice, this means:

• no need for modifications to brackets and clamps,
• maintaining correct hose routing away from high-temperature components,
• minimizing stress at connection points with other cooling system components. Compared to generic replacements, the original element from the Cooling system hoses and pipes group allows for maintaining the structural integrity of the entire system, which is significant for both durability and operational safety.

Application in cooling system service and repairs

This return hose is particularly suitable in situations where symptoms such as coolant leaks in the gearbox area, signs of corrosion on connectors, or mechanical damage to the hose have occurred. Replacing it with an original component allows you to:

• restore the tightness of the gearbox cooling circuit,
• reduce the risk of pressure drops in the cooling system,
• maintain stable transmission operating conditions under high loads. Due to its factory origin, the hose is compatible with the cooling system designed for the specific drivetrain configuration in the Porsche 718 Cayman 982C, which facilitates service work and reduces installation time.

Condition and origin of the component

The offered hose comes from disassembly and is classified as a used original component. For many users and service centers, this is a reasonable compromise between factory quality and purchase cost, especially in the case of specialized cooling system components in sports cars. By choosing an original gearbox return hose, you reduce the risk of fitment issues while maintaining consistency with the remaining cooling system elements, which is important for the long-term operation of the vehicle.

Technical support and additional materials

When working on the cooling circuit, it is worth paying attention to the overall condition of the entire system – from hoses and radiators to heat exchangers. If you want to better understand why original cooling system components are a safer choice than generic replacements, read the article: Cooling system failure: why is an original used radiator a safer choice than a cheap replacement? If you are planning a comprehensive repair or upgrade of the gearbox cooling area in your Porsche and need other elements from the same group, such as additional lines, hoses, or return sections, check out the available parts in the Porsche cooling system hoses and pipes category.