Citroen Timing Belt Replacement Cost - All Models Cost of Timing belt replacement. In Australia: The average timing belt replacement cost of “Citroen” starts around the $500, and can increase to over $1000 if removal of other engine components is required to gain access to the timing belt. In Uk: Average price for new timing belt is £300. Amazon: citroen timing belt wwwon›Search›citroen timing belt1-16 of 420 results for "citroen timing belt" Showing selected results. See all results for citroen timing belt. PEUGEOT/CITROËN/FIAT Timing Belt Kit with Water Pump (XUD7/XUD9) by Gates. $150 $ 150 00. FREE Shipping on eligible orders. Only 2 left in stock - order soon.