Please make sure this is the correct part before buying. In this product page you can see a VOLVO V50 C30 S40 C70 2.4 D5 2005-2010 POSITIVE & NEGATIVE BATTERY LEAD 3076486 that will fit a Volvo C30 and any of the vehicles in the compatibility list. This vehicle part is a Used part, so please ensure it is the right one before buying.