Ferrari part number 121793, 3 WAY UNION, shown here as used in a Ferrari Testarossa (1987) (Mechanical Table 015 Air Injection, Lines (for CH and SA)).
For other instances where this part is used, please click on the link in the table below:
| Make and Model | Diagram and (Location in Diagram) |
|---|
| Ferrari 328 (1985) | Table 010 Air Injection (for CH Model ) (017) |
| Ferrari 348 (2.7 Motronic) | Table 008 Air Injection System (011) |
| Ferrari 348 TB (1993) | Table 008 Air Injection System, Motronic 2.5 (011) |
| Ferrari 348 TB (1993) | Table 008A Air Injection System, Motronic 2.7 (011) |
| Ferrari 348 TS (1993) | Table 008 Air Injection System, Motronic 2.5 (011) |
| Ferrari 348 TS (1993) | Table 008A Air Injection System, Motronic 2.7 (011) |
| Ferrari 355 (2.7 Motronic) | Table 008 Air Injection System (010) |
| Ferrari 355 (2.7 Motronic) | Table 015 Intake Manifolds and Throttle Linkage (023) |
| Ferrari 355 (5.2 Motronic) | Table 008 Air Injection System (010) |
| Ferrari 355 (5.2 Motronic) | Table 014 Accelerator Throttle Body, Linkage (023) |
| Ferrari 412 (Mechanical) | Table 009 Air Injection, for CH Model (019) |
| Ferrari 456 GT | Table 016 Air Pump Secondary (011) |
| Ferrari 456 GT | Table 020 Blow By System (017) |
| Ferrari 456 GTA | Table 016 Air Pump Secondary (011) |
| Ferrari 456 GTA | Table 020 Blow By System (017) |
| Ferrari 456 M GT | Table 019 Air Pump Secondary (011) |
| Ferrari 456 M GT | Table 023 Blow By System (017) |
| Ferrari 456 M GTA | Table 019 Air Pump Secondary (011) |
| Ferrari 456 M GTA | Table 023 Blow By System (017) |
| Ferrari 512 M | Table 013 Air Pump, Lines Secondary (028) |
| Ferrari 512 M | Table 020 Blow By System (015) |
| Ferrari 512 TR | Table 013 Air Pump Secondary, Lines (028) |
| Ferrari 512 TR | Table 020 Blow By System (015) |
| Ferrari 550 Barchetta | Table 018 Air Pump Secondary (011) |
| Ferrari 550 Barchetta | Table 018 Air Pump Secondary (041) |
| Ferrari 550 Barchetta | Table 021 Exhaust System, Manifolds (046) |
| Ferrari 550 Barchetta | Table 022 Blow By System (019) |
| Ferrari 550 Maranello | Table 019 Air Pump Secondary (011) |
| Ferrari 550 Maranello | Table 019 Air Pump Secondary (041) |
| Ferrari 550 Maranello | Table 022 Exhaust System (046) |
| Ferrari 550 Maranello | Table 023 Blow By System (019) |
| Ferrari F50 | Table 013 Fuel Evaporation Protecting System (059) |
| Ferrari Mondial 3.4 t Cabriolet | Table 008 Air Injection System, for Cars with Catalyst, Motronic 2.5 (011) |
| Ferrari Mondial 3.4 t Cabriolet | Table 008A Air Injection System, for Cars with Catalyst, Motronic 2.7 (011) |
| Ferrari Mondial 3.4 t Coupe | Table 008 Air Injection System, for Cars with Catalyst, Motronic 2.5 (011) |
| Ferrari Mondial 3.4 t Coupe | Table 008A Air Injection System, for Cars with Catalyst, Motronic 2.7 (011) |
| Ferrari Testarossa (1987) | Table 015 Air Injection, Lines (for CH and SA) (019) |
| Ferrari Testarossa (1990) | Table 014 Air Pump, Lines Secondary (for USA, CH88) (047) |
| Ferrari Testarossa (1990) | Table 015 Air Injection, Lines (for CH87, Cat) (017) |
