OEM GM Coolant Heater Extension Cable

Genuine Coolant Heater Extension Cables

Coolant heater extension cables are important for engines in colder climates. They're designed to connect the coolant heater to the vehicle's power supply. By warming the coolant before starting the engine, these cables help reduce engine wear from cold starts, improve fuel efficiency, and minimize emissions.

When to Replace

Coolant heater extension cables should be inspected regularly for signs of wear and tear, like cracks in the insulation. Here are some situations when you may need to replace yours:

Visible damage: Any visible damage is a clear indicator that the cable needs to be replaced ASAP.

Performance issues: If you notice that the coolant heater seems less effective or takes longer to warm up the engine, the extension cable might be the problem.

Routine replacement: Even if there are no visible damage or performance issues, consider replacing the coolant heater extension cables as part of routine maintenance every few years.

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