Related Clues:

• Belt and hose, e.g.
• Fenders, taillights, etc.
• Wheel and axle, e.g.
• Air filters and spark plugs
• Mechanic's stock
• Carburetors, for instance
• Spark plugs, headlights, etc
• Junkyard inventory
• Spark plugs, wipers, etc
• A, O, T and U?