bigfish45· Premium Member
Discussion Starter · #1 ·
Does anyone know what the difference is between a BB long water pump pulley P/N 3932402-UD and 3932402-DU? I'm seeing both on eBay but no specifics. I need a correct water pump pulley to go with my 3955290 crank pulley and my 3770509 power steering pulley on a 396.