This is an auxiliary air regulator for all Fiat 124, Fiat X1/9, Fiat 131, and Lancia Beta cars with Bosch L-Jetronic fuel injection.
A critical cold-starting item.
Bosch PN 280140120 was specific to DOHC. 280140128 was specific to SOHC. 280140135 is listed as a replacement for both. We have interchanged these units on SOHC and DOHC without any noticeable difference.
Fiat 124 Spider (80-85)
Fiat 131 All (80-82)
Fiat X1/9 (80-88)
Lancia Beta-series ALL (81-82)
Fully cleaned inside and out, recalibrated and tested for closure action within 180 seconds. 90 day warranty