tvs diodes

Hi guys so i am making an automotive adapter which i want to have protected against spikes from the vehicles alternator, Would this diode do the job? I am confused about what to go for as im away sometimes spikes above 30volts can happen. Cheers for the help LINK BELOW.

https://uk.farnell.com/littelfuse/smbj30a/diode-tvs-30v-600w-5-uni-smb/dp/1827616

SOLVED

How?