May be covered
- Engine block and cylinder heads
- Pistons and rings
- Camshaft and crankshaft
- Valve train components
- Oil pump and water pump
- Timing chain or belt components
Common exclusions
- Pre-existing conditions
- Damage from lack of maintenance
- Tune-up parts and filters
- Sludge or contamination damage
- Racing or off-road use
- Damage from overheating due to neglect
Why engine coverage matters
An engine repair is one of the most financially disruptive vehicle repairs you can face. Depending on the failure, costs can range from $1,500 for minor repairs to $8,000 or more for a major engine rebuild or replacement.
Auto warranty engine coverage may help pay for covered repairs to listed engine components. The key word is listed. If the contract does not name a specific component, assume it is not covered.
What engine coverage typically includes
Covered components vary by plan and provider, but many plans that include engine coverage may cover:
- Engine block and internal components
- Cylinder heads and gaskets
- Pistons, rings, and connecting rods
- Crankshaft and camshaft
- Valve train components
- Oil pump and water pump
- Timing chain or timing belt-related components (varies by contract)
Always verify what your specific contract includes. “Engine coverage” can mean very different things across providers.
What engine coverage usually excludes
Most auto warranty contracts exclude:
- Pre-existing conditions — problems that existed before coverage began
- Maintenance-related failures — damage from skipped oil changes or neglected services
- Sludge or contamination damage — often denied if maintenance records are missing
- Overheating damage from neglect — continued driving on an overheating engine may void engine claims
- Tune-up components — spark plugs, filters, and similar wear items
- Damage from modifications — aftermarket engine modifications often void coverage
Read the fine print before buying
Engine coverage is one of the most contested areas in auto warranty contracts. Providers may investigate maintenance history, request records, or deny claims based on how the failure occurred.
Before buying any plan with engine coverage:
- Confirm which components are explicitly listed
- Understand the deductible per claim
- Check whether pre-authorization is required before repairs
- Know whether you can use your own mechanic or must use a network shop
Coverage varies by plan and provider
Two plans advertising “engine coverage” can behave very differently. Compare sample contracts before deciding.
Auto warranty and vehicle protection coverage varies by provider, contract, vehicle, mileage, location, and eligibility. Always review the contract before buying.
Related coverage: Transmission Coverage | Electrical Coverage