Which engine parts are covered under the warranty?
Release time:
2025-09-12
The warranty coverage for engine components usually varies depending on the car brand and model, but most automakers' warranty policies share some commonalities. Here are some common warranty coverages for engine components:
Engine block
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Cylinder block, cylinder head These are the core parts of the engine and are usually covered under warranty.
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Crankshaft, pistons These parts are also key components of the engine. If failures are caused by manufacturing defects, the manufacturer typically assumes responsibility for free repair or replacement.
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Connecting rods, flywheel As important parts of the engine, these are generally also covered under warranty.
Auxiliary components
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Timing system Including timing belts or chains, these are usually covered under warranty.
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Turbocharger Some manufacturers provide special coverage for the turbocharging system.
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Fuel injection system Some brands also offer warranty coverage for key components such as the fuel injection system.
Wear parts not included
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Spark plugs, oil filters These wear parts are usually not covered under warranty.
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Air filters, cabin air filters These parts have a shorter warranty period.
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Timing belt Although the timing belt is part of the engine, its warranty period may be shorter.
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