This is a F/I/A/T Factory OE Bosch Germany made cold start auxiliary air valve regulator which allows extra air to be introduced during start-up and/or cold start for all Fiat and Lancia cars with Bosch L-Jet fuel injection. If your car has a hard time holding an idle when cold starting, this could be the culprit.
These units are Bosch PN 280140120, as originally supplied for FIAT DOHC applications.
Bosch PN 280140128 was identified by FIAT for SOHC.
280140135 is listed by Bosch as a replacement for both. We have interchanged these units on SOHC and DOHC without any noticeable difference.
Condition: OE NOS
Original Equipment New Old Stock
New and unused.