99071AB333 Subaru HOSE-VACUUM, Price: 18.86$, Weight: 0.435kg
| Make | Number | Name | Availability | Weight, kg | Ship in, Days | Price |
|---|---|---|---|---|---|---|
Subaru |
99071AB333 |
HOSE-VACUUM |
0 |
0.435 |
2-3 |
18.86$ |
| Not Available | ||||||
Compatibility
| Body | Engine | Vehicle Grade | Market | Model Year From | Model Year To | Suspension | Diagram |
|---|---|---|---|---|---|---|---|
| WAGON | 2500CC EMPI DOHC TURBO | FORESTER SPORTS | USA | 02.2007 | 11.2007 | NORMAL SUSPENSION | View |
| Body | Engine | Vehicle Grade | Market | Model Year From | Model Year To | Suspension | Diagram |
|---|---|---|---|---|---|---|---|
| WAGON | 2500CC EMPI DOHC TURBO | WRX | USA | 04.2005 | 06.2007 | NORMAL SUSPENSION | View |
| Body | Engine | Vehicle Grade | Market | Model Year From | Model Year To | Suspension | Diagram |
|---|---|---|---|---|---|---|---|
| PICK UP TRACK | 2500CC EMPI DOHC TURBO | BAJA-B | USA | 02.2003 | 04.2006 | NORMAL SUSPENSION | View |
| Body | Engine | Vehicle Grade | Market | Model Year From | Train | Gearbox | Diagram |
|---|---|---|---|---|---|---|---|
| セダン | 2.0L EMPI DOHC ハイパワーターボ | S208 NBR CHALLENGE PACK | Japan | 02.2017 | フルタイム4リンクドウ | 6ソク マニユアル トランスミツシヨン | View |
Engine Vacuum Line for Subaru — OE-Grade Replacement
This Subaru vacuum hose keeps intake vacuum stable for idle control, turbo response, and emissions. Built from heat‑resistant compound, it withstands oil mist, fuel vapors, and under‑hood temperature. Exact inner diameter and wall strength prevent collapse under high vacuum and keep sensors and actuators reading correctly.
Why you need it
The line feeds vacuum to key parts like boost control solenoids, bypass valves, purge systems, and pressure sensors. A tight, flexible hose restores smooth idle, steady boost, cleaner emissions, and better fuel economy.
How it works
Manifold vacuum varies with throttle. This hose carries those pressure changes to valves and regulators, letting the ECU command airflow and boost precisely. Proper routing and clamp tension ensure instant, leak‑free response.
If the hose fails ⚠️
Cracks or swelling cause unmetered air leaks: rough idle, stalling, lean codes (e.g., P0171), weak boost, turbo flutter, poor MPG, and higher emissions. In severe cases, drivability suffers and the check light appears.
Fitment notes
Direct fit. Match length and bends, cut ends square, and secure with quality clamps. Replace brittle tees and check valves during service for best results.
Compatibility
- Wrx/Levorg
- Impreza
- Legacy
- Forester