Engine & transmission guides

Short help on buying and fitting a used engine or transmission.

Transmission

How to Check a Used Transmission Before You Buy

Learn how to check a used transmission before you buy: match the right unit, spot damage and burnt fluid, ask the right questions and protect your warranty.

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How to Check a Used Transmission Before You Buy

More guides

How to Match a Used Engine to Your Car (VIN & Code)
Engine

How to Match a Used Engine to Your Car (VIN & Code)

Use your VIN and engine code to match a used engine to your car before you buy. Step-by-step checks, real examples and the costly mistakes to avoid.