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Warranty Roadbook

Glossary

Warranty terms, in plain language

Short definitions for words you will find in warranty booklets and service contracts.

Informational only. The content on Warranty Roadbook is for general informational purposes only and does not constitute insurance, warranty, legal, or financial advice. Warranty Roadbook is not an insurance company, carrier, agent, broker, warranty provider, or marketplace.

Bumper-to-bumper
A broad manufacturer warranty that covers most vehicle components, with listed exclusions, for a set time or mileage.
Powertrain
Coverage for the engine, transmission, and drive components that move the vehicle.
Vehicle service contract
A separately purchased agreement that pays for certain repairs. It is not a manufacturer warranty.
Exclusion
A part, condition, or situation that a warranty or contract specifically does not cover.
Deductible
The amount the owner pays toward a covered repair before coverage applies.
Pre-existing condition
A problem present before coverage started. These are commonly excluded.
Transferability
Whether remaining coverage can move to a new owner when the vehicle is sold.
Wear item
A part expected to wear out with normal use, such as brake pads, tires, or wiper blades.
Administrator
The company that processes claims for a service contract.
Magnuson-Moss Warranty Act
A U.S. federal law that sets disclosure standards for written consumer product warranties.
Corrosion coverage
Warranty protection against rust perforation of body panels, often lasting longer than other coverage.
Emissions warranty
Federally required coverage for certain emissions-related components for a specified period.
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