Heater Line O Ring – Mopar (53013736AA)

The Mopar Heater Line O Ring (53013736AA) is a Genuine OEM sealing component designed to create a secure seal between heater hose connections within the vehicle’s engine cooling system. This O-ring helps prevent coolant leaks at heater line connection points, ensuring that coolant flows properly between the engine and the heater core. Manufactured according to Mopar’s strict factory engineering standards, this sealing component supports reliable cooling system performance and long-term durability.

Constructed from high-quality heat- and coolant-resistant synthetic rubber, the O-ring is engineered to withstand continuous exposure to engine coolant, temperature fluctuations, and system pressure. The flexible material compresses evenly when installed, forming a tight seal between mating components while maintaining its elasticity over time. This design helps maintain proper coolant flow while preventing leaks at connection points.

The 53013736AA heater line O-ring is engineered as a vehicle-specific direct-fit component, matching the original diameter, thickness, and sealing specifications used in Mopar factory cooling system assemblies. Maintaining OEM specifications is essential to ensure proper sealing pressure and reliable coolant containment. Aftermarket seals that do not meet factory tolerances may lead to coolant leaks or improper fitment.

For professional technicians, installing a Genuine Mopar heater line O-ring ensures that cooling system service maintains factory sealing standards and system reliability. For experienced DIY vehicle owners, selecting the OEM seal simplifies installation since it fits precisely into the original heater line connection without requiring modifications.

A properly functioning heater line O-ring helps maintain coolant system integrity by preventing leaks and ensuring steady coolant flow to the heater core. Replacing a worn or damaged seal helps restore proper sealing performance and supports reliable heating and engine cooling operation.

• Genuine Mopar OEM heater line O-ring

• Heat- and coolant-resistant synthetic rubber construction

• Designed to seal heater hose connections

• Helps prevent coolant leaks within the cooling system

• Maintains sealing performance under heat and pressure

• Vehicle-specific direct-fit configuration

If you are servicing the cooling system or replacing a worn seal, the Mopar Heater Line O Ring (53013736AA) provides OEM-accurate fitment, durable sealing materials, and factory-engineered reliability for your vehicle’s cooling system.

Heater Line O Ring – Mopar (53013736AA)

The Mopar Heater Line O Ring (53013736AA) is a Genuine OEM sealing component designed to create a secure seal between heater hose connections within the vehicle’s engine cooling system. This O-ring helps prevent coolant leaks at heater line connection points, ensuring that coolant flows properly between the engine and the heater core. Manufactured according to Mopar’s strict factory engineering standards, this sealing component supports reliable cooling system performance and long-term durability.

Constructed from high-quality heat- and coolant-resistant synthetic rubber, the O-ring is engineered to withstand continuous exposure to engine coolant, temperature fluctuations, and system pressure. The flexible material compresses evenly when installed, forming a tight seal between mating components while maintaining its elasticity over time. This design helps maintain proper coolant flow while preventing leaks at connection points.

The 53013736AA heater line O-ring is engineered as a vehicle-specific direct-fit component, matching the original diameter, thickness, and sealing specifications used in Mopar factory cooling system assemblies. Maintaining OEM specifications is essential to ensure proper sealing pressure and reliable coolant containment. Aftermarket seals that do not meet factory tolerances may lead to coolant leaks or improper fitment.

For professional technicians, installing a Genuine Mopar heater line O-ring ensures that cooling system service maintains factory sealing standards and system reliability. For experienced DIY vehicle owners, selecting the OEM seal simplifies installation since it fits precisely into the original heater line connection without requiring modifications.

A properly functioning heater line O-ring helps maintain coolant system integrity by preventing leaks and ensuring steady coolant flow to the heater core. Replacing a worn or damaged seal helps restore proper sealing performance and supports reliable heating and engine cooling operation.

• Genuine Mopar OEM heater line O-ring

• Heat- and coolant-resistant synthetic rubber construction

• Designed to seal heater hose connections

• Helps prevent coolant leaks within the cooling system

• Maintains sealing performance under heat and pressure

• Vehicle-specific direct-fit configuration

If you are servicing the cooling system or replacing a worn seal, the Mopar Heater Line O Ring (53013736AA) provides OEM-accurate fitment, durable sealing materials, and factory-engineered reliability for your vehicle’s cooling system.