21504EB70A Nissan HOSE-RADIATOR,LOWER, Price: 35.69$, Weight: 0.54kg


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

Nissan

21504EB70A

HOSE-RADIATOR,LOWER

0

0.54

2-3

35.69$

Not Available

Substitutions

Make Number Name Availability Weight, kg Processing, days Price  
Nissan
21503EB70A 
HOSE-RADIATOR LOWER
0
0.621
-
15.94$
Not Available

Compatibility

Body StyleEngineVehicle GradeMarketModelModel Year FromModel Year ToDiagram
DOUBLE CAB WIDEYD25DDTIXEGeneral/Asia (LHD)D40BB10.201209.2016 View

Lower Engine Radiator Hose for Nissan Pickups ??️

This heavy-duty lower coolant hose keeps your truck’s temperature under control. It links the radiator outlet to the water pump, sending cooled antifreeze back into the engine block. Built from OEM-grade EPDM with fabric reinforcement, it resists heat, oil mist, ozone, and suction collapse—perfect for daily work, towing, or off-road use.

Why you need it ✅

Stable coolant flow prevents overheating, detonation, and early wear. A fresh hose restores system pressure, seals tight at both ends, and protects against leaks on long trips. It’s a small part that guards your head gasket and pump from big damage.

How it works ⚙️

When the thermostat opens, the water pump draws cool fluid from the radiator’s lower tank through this hose. Its molded curves maintain smooth flow and clearance. Strong walls handle vacuum at high RPM so the hose won’t collapse. Correct ID/OD ensures a snug fit with factory clamps for leak-free circulation.

When the hose fails ?

  • Coolant drips or puddles, sweet smell, white steam
  • Temp gauge rises; heater turns cold at speed
  • Soft hose collapses, cavitation, pump wear
  • Risk of head gasket failure and roadside breakdown

Tech notes ?️

Replace aging clamps, clean necks, route clear of belts/fans, and bleed air after refill to prevent hot spots.

Compatibility

  • Navara
  • Frontier