corpo farfallato valvola egr for seat leon 1.9 2.0 tdi 038129637d 038128063g

throttle body technical details number of connections 4 pole operating mode electric oem numbers 038128063f, 038128063g 038128063l, 038128063m 038128063p, 038128063q egr valve technical details number of connections 5 pole operating mode pneumatic oem numbers 038131501an, 038131501af 038129637d, 038