45161SA000 Subaru HOSE RAD UPR, Price: 10.08$, Weight: 0.212kg

Upper Radiator Coolant Hose for Subaru Cooling System

Keep your boxer engine cool with a fresh upper radiator hose. This molded link routes hot coolant from the engine to the radiator. A snug, smooth hose keeps temperatures stable, protects gaskets, and sustains performance. 🚗❄️

Why this part is needed

Old rubber hardens, cracks, or swells from heat and pressure. Replacing in time prevents leaks, steam, and roadside overheating. It’s a small spend that saves head gaskets, the radiator, and the water pump.

How it works

As the thermostat opens, the water pump pushes coolant through this top hose into the radiator, then returns via the lower line. The hose must hold system pressure, resist vacuum on cooldown, and keep its molded shape to clear fans and belts. 🔧

What happens if it’s broken

Failure signs: sweet smell, white crust, damp spots, or bulges. The temp gauge climbs, heater turns weak, or misfires can appear from coolant ingestion. Keep driving and you risk warped heads. Stop, cool, replace. ⚠️

Build and fitment

Fabric‑reinforced EPDM or silicone, molded to the OEM path, with beaded ends for clamp grip. Direct fit; no trimming. Works with spring or worm clamps. ✅

Install tips

Drain below hose level, loosen clamps, twist to break seal, seat fully, align, and tighten. Refill with Subaru‑spec coolant, bleed air, then recheck for leaks.

Compatibility

• Forester