72421AG001 Subaru HOSE HTR OUT, Price: 20.09$, Weight: 0.204kg
| Make | Number | Name | Availability | Weight, kg | Ship in, Days | Price |
|---|---|---|---|---|---|---|
Subaru |
72421AG001 |
HOSE HTR OUT |
0 |
0.204 |
|
20.09$ |
| Not Available | ||||||
Originals
| Make | Number | Name | Availability | Weight, kg | Processing, days | Price | |
|---|---|---|---|---|---|---|---|
| Subaru |
HOSE HTR OUT
|
0 |
0.235
|
-
|
16.74$
|
Not Available |
Substitutions
| Make | Number | Name | Availability | Weight, kg | Processing, days | Price | |
|---|---|---|---|---|---|---|---|
| Subaru |
72421AG000
|
HOSE HTR OUT
|
0 |
0.233
|
-
|
16.74$
|
Not Available |
Compatibility
| Body | Engine | Vehicle Grade | Market | Model Year From | Model Year To | Suspension | Diagram |
|---|---|---|---|---|---|---|---|
| ワゴン | 2.5L EMPI SOHC NA | 2.5I クロ(A-),シロ(D-) | Japan | 03.2007 | 04.2009 | ノーマル サスペンシヨン | View |
Heater Outlet Coolant Hose – Reliable Cabin Heat & Engine Cooling ?
This heater outlet coolant hose is a key link between the engine cooling circuit and the heater core. It is needed to carry hot coolant from the system to the heater circuit and back, helping provide steady cabin heat while keeping coolant flow balanced. A healthy hose also supports correct coolant pressure and prevents air pockets that can cause overheating.
How It Works ⚙️
When the engine warms up, coolant flows through this hose to the heater core. The blower pushes air across the heater core to warm the interior. The hose must stay flexible, sealed, and heat-resistant to handle temperature cycles, vibration, and pressure without collapsing or cracking.
What Happens If It Fails ?
A damaged hose can leak coolant, causing a sweet smell, wet carpet near the firewall, low coolant level, weak heater output, and temperature spikes. If it bursts, the engine may overheat fast, risking head gasket failure and warped components. Swollen or soft sections can also restrict flow and reduce heater performance.
When to Replace
- Visible cracks, bulges, or oil-soaked rubber
- Coolant stains around clamps or joints
- Heater goes cold at idle or coolant level keeps dropping
Compatibility ✅
- Legacy