OEM code
Posted: Mon Mar 09, 2020 2:56 pm
What is the difference between 3812.A9 and 3812.C4 ? ServiceBox says that 406 HDI 2.2 uses 3812.C4 but some car part dealers offer 3812.A9 as compatible part. Are they equivalent? I tried to order new parts but not sure which one is the correct.