Used engine warranty coverage is limited to internal components only. Here's an exact breakdown of what's included and what's not.
COVERED — INTERNAL COMPONENTS
- Engine block
- Cylinder heads
- Pistons and rings
- Crankshaft
- Camshaft
- Rocker arms
- All internal engine components
NOT COVERED — ACCESSORIES AND EXTERNAL PARTS
- Sensors and switches
- Turbocharger
- Electronics and wire harnesses
- Belts and hoses
- Intake and exhaust manifolds
- Flywheel
- Valve covers
- Gaskets and seals
- Oil pan
- Water pump
- Starter motor
- Alternator
- AC compressor
- Any parts left on the block for convenience during installation
DIESEL ENGINES — ADDITIONAL EXCLUSIONS
For diesel engines specifically, the following are also not covered: • Fuel injectors • High-pressure oil pumps • High-pressure fuel injectors
A NOTE ON CONVENIENCE PARTS
Some accessories may be left on the engine block to make installation easier. These items are not covered under warranty regardless of whether they were included with the engine or transferred from your old unit.
Questions about what's covered? Call us at 1-844-XPARTS-1, Monday–Friday 9am–7pm EST or Saturday 11am–4pm EST.

