How much would it cost to replace a cam belt on a ford 1.25 3 door zetec petrol?

How much would it cost to replace a cam belt on a ford 1.25 3 door zetec petrol? - 1

£69

If done at home, a pack of tools for $7 and $17 for the cam belt.

if done by a mechanic in some shop, about $3000.