21869AA170 Subaru HOSE-AIR DUCT, Price: 106.44$, Weight: 0.609kg


Make Number Name Availability Weight, kg Ship in, Days Price

Subaru

21869AA170

HOSE-AIR DUCT

4

0.609

 Dispatch 24h

106.44$

 

Originals

Make Number Name Availability Weight, kg Processing, days Price  
Subaru
21869AA170 
HOSE-AIR DUCT
4
0.7
2-3
88.70$
 

Substitutions

Make Number Name Availability Weight, kg Processing, days Price  
Subaru
21869AA130 
HOSE-AIR DUCT
0
0.334
-
88.70$
Not Available

Compatibility

BodyMade For RegionEngineVehicle GradeMarketModel Year FromTrainDiagram
WAGONRHD2.0L DOHC TURBO DIESELEDLEurope/General10.2015FULLTIME 4WD View
BodyMade For RegionEngineVehicle GradeMarketModel Year FromModel Year ToDiagram
WAGON OUTBACKLHD2000CC DOHC TURBO DIESEL20DSREurope/General05.201311.2014 View
BodyMade For RegionEngineVehicle GradeMarketModel Year FromModel Year ToDiagram
XUVRHD2000CC DOHC TURBO DIESEL20DSREurope/General07.201303.2015 View

Air Intake Duct Hose for Subaru

This OEM-grade intake duct channels clean, metered air from the air box through the MAF to the throttle body. Built from heat‑resistant EPDM with molded ribs and smooth inner bore, it keeps airflow stable, lowers turbulence, and maintains correct sensor readings for strong, efficient performance.

Why this part is needed

A sealed intake path prevents unmetered air. That means proper fuel trims, steady idle, quick throttle response, and better fuel economy. It also protects the engine from dust and oil mist intrusion.

How it works ️

The flexible hose absorbs engine movement while clamps lock each end. Side ports connect PCV/breather lines so crankcase gases are recirculated without leaks.

What happens if it’s broken ⚠️

Cracks or loose joints cause lean mix, hesitation, whistle noises, rough idle, stalling, Check Engine (often P0171), higher fuel use, and increased wear from dirt ingress.

Install tips ✅

15–30 minutes. Transfer fittings, seat fully, align marks, and tighten clamps evenly (about 3–5 Nm). Clear codes and perform a quick smoke or soapy water test for leaks.

Compatibility

  • Legacy
  • Xv
  • Forester