Radiator Coolant Hose (Lower)

Part Number: 21503-CD000
Supersession(s): 21503CD000

Hose Bottom.
Flexible hose that is part of the engine cooling system.

  • Important part of cooling system
  • The hose coolant travels through to get between the radiator and engine
  • Replace when cracked or leaking

Your INFINITI's cooling system is designed to prevent the engine from overheating. And the cooling system depends on a quality, functioning Radiator Coolant Hose (Lower) to operate how it's supposed to. As your vehicle's coolant fluid travels through the coolant system and radiator to your engine, it passes through a Radiator Coolant Hose (Lower). It's essential that the Radiator Coolant Hose (Lower) remain free from cracks, bloating, or leaks that could cause damage to your INFINITI.

In time, the rubber that makes up your INFINITI's Radiator Coolant Hose (Lower) can wear out. When this occurs, the Radiator Coolant Hose (Lower) may become brittle and crack, causing coolant to leak out. If too much coolant leaks out, the engine might not receive enough coolant to maintain a safe engine temperature, which may cause overheating in your INFINITI. If the engine overheats, it may lead to repairs and damage your vehicle.

Additionally, the Radiator Coolant Hose (Lower) can get bloated, meaning the hose swells. If low coolant causes the engine to overheat, it may cause extremely hot coolant to travel through the Radiator Coolant Hose (Lower), which can make the rubber swell and bloat, possibly causing additional cracks and damage to your Radiator Coolant Hose (Lower).

If you feel the Radiator Coolant Hose (Lower) on your vehicle needs to be exchanged, it's good to start with a visual inspection. When working with the coolant system, always ensure the coolant system and engine are completely cool, as the cooling system is under pressure, and extremely hot coolant fluid can spray if something happens to the Radiator Coolant Hose (Lower).

When checking out the Radiator Coolant Hose (Lower), look for dry-rot, cracks, swelling, or warping. Check for coolant fluid leaks underneath the vehicle, especially where your Radiator Coolant Hose (Lower) is attached to the vehicle.

In addition, look on your dashboard if you think your Radiator Coolant Hose (Lower) is bad. Look for a Low Coolant light or if the temperature gauge is displaying that your engine is running hot. Your owner's manual provides an overview of your vehicle's dashboard lights and what they mean.

Is it time to replace your INFINITI's Radiator Coolant Hose (Lower)? Order a genuine replacement Cooling System Radiator Coolant Hose (Lower) for your INFINITI G35. See the What This Fits tab for more details.



HOSE-RADIATOR,LOWER

Fits G35

5 people have looked at this part recently
Diagram RADIATOR,SHROUD & INVERTER COOLING for your INFINITI
#21503
Required: 1
FITTING PARTS. C. VQ35DE. AT. F5 + 4WD. VQ35DE + VQ35DE. MT. F6<200310 - 200408>
FITTING PARTS. C. VQ35DE. AT. F5 + VQ35DE. MT. F6<200306 - 200310>
FITTING PARTS. C. VQ35DE. AT. F5<200208 - 200306>
RADIATOR. C. VQ35DE. AT. F5 + 4WD. VQ35DE + VQ35DE. MT. F6<200310 - 200408>
RADIATOR. C. VQ35DE. AT. F5 + VQ35DE. MT. F6<200306 - 200310>
RADIATOR. C. VQ35DE. AT. F5<200208 - 200306>
RADIATOR. S. VQ35DE. AT. F5<200208 - 200306>
RADIATOR. VQ35DE<200201 - 200208>
RADIATOR. VQ35DE. SPORT<200208 - 200306>
SHROUD. C. VQ35DE. AT. F5 + 4WD. VQ35DE + VQ35DE. MT. F6<200310 - 200408>
SHROUD. C. VQ35DE. AT. F5 + VQ35DE. MT. F6<200306 - 200310>
SHROUD. C. VQ35DE. AT. F5<200208 - 200306>
2003 - 2004
- C. VQ35DE. AT. F5

2004 - 2004
- C. VQ35DE. AT. F5 + 4WD. VQ35DE + VQ35DE. MT. F6

2004 - 2004
- C. VQ35DE. AT. F5 + VQ35DE. MT. F6
Diagram RADIATOR,SHROUD & INVERTER COOLING for your INFINITI
#21503
Required: 1
FITTING PARTS. S. 2WD. VQ35DE. TRACK. AT. F5 + S. VQ35DE. BASIC<200310 - 200408>
FITTING PARTS. S. VQ35DE. AT. F5<200208 - 200306>
FITTING PARTS. S. VQ35DE. AT. F5<200306 - 200310>
FITTING PARTS. VQ35DE<200201 - 200208>
FITTING PARTS. VQ35DE. AT. F5<200408 - 200508>
FITTING PARTS. VQ35DE. AT. F5<200508 - 200608>
FITTING PARTS. VQ35DE. AT. F5<200608 ->
RADIATOR. C. VQ35DE. AT. F5 + 4WD. VQ35DE + VQ35DE. MT. F6<200310 - 200408>
RADIATOR. C. VQ35DE. AT. F5 + VQ35DE. MT. F6<200306 - 200310>
RADIATOR. C. VQ35DE. AT. F5<200208 - 200306>
RADIATOR. S. 2WD. VQ35DE. TRACK. AT. F5 + S. VQ35DE. BASIC<200310 - 200408>
RADIATOR. S. VQ35DE. AT. F5<200208 - 200306>
RADIATOR. S. VQ35DE. AT. F5<200306 - 200310>
RADIATOR. VQ35DE<200201 - 200208>
RADIATOR. VQ35DE. AT. F5<200408 - 200508>
RADIATOR. VQ35DE. AT. F5<200508 - 200608>
RADIATOR. VQ35DE. AT. F5<200608 ->
RADIATOR. VQ35DE. SPORT<200208 - 200306>
SHROUD. S. VQ35DE. AT. F5<200208 - 200306>
SHROUD. S. VQ35DE. MT. F6<200212 - 200306>
SHROUD. VQ35DE<200201 - 200208>
SHROUD. VQ35DE. AT. F5<200408 - 200508>
SHROUD. VQ35DE. AT. F5<200508 - 200608>
SHROUD. VQ35DE. AT. F5<200608 ->
SHROUD. VQ35DE. MT. F6<200411 - 200508>
SHROUD. VQ35DE. MT. F6<200508 - 200608>
SHROUD. VQ35DE. MT. F6<200608 ->
SHROUD. VQ35DE. SPORT<200208 - 200306>
SHROUD1. S. 2WD. VQ35DE. TRACK. AT. F5 + S. VQ35DE. BASIC<200310 - 200408>
SHROUD1. S. VQ35DE. AT. F5<200306 - 200310>
SHROUD2. S. 2WD. VQ35DE. TRACK. AT. F5 + S. VQ35DE. BASIC<200310 - 200408>
SHROUD2. S. VQ35DE. AT. F5<200306 - 200310>
2004 - 2004
- *S. 2WD. VQ35DE. TRACK. AT. F5 + *S. VQ35DE. BASIC

2004 - 2004
- *S. VQ35DE. AT. F5

2004 - 2006
- VQ35DE. AT. F5

2006 - 2007
- VQ35DE. AT. F5

2006 - 2007
- VQ35DE. AT. F5
Diagram RADIATOR,SHROUD & INVERTER COOLING for your INFINITI
#21503
Required: 1
FITTING PARTS. VQ35DE. MT. F6<200411 - 200508>
FITTING PARTS. VQ35DE. MT. F6<200508 - 200608>
FITTING PARTS. VQ35DE. MT. F6<200608 ->
FITTING PARTS. VQ35DE. SPORT<200208 - 200306>
RADIATOR. C. VQ35DE. AT. F5 + 4WD. VQ35DE + VQ35DE. MT. F6<200310 - 200408>
RADIATOR. C. VQ35DE. AT. F5 + VQ35DE. MT. F6<200306 - 200310>
RADIATOR. C. VQ35DE. AT. F5<200208 - 200306>
RADIATOR. S. VQ35DE. AT. F5<200208 - 200306>
RADIATOR. VQ35DE<200201 - 200208>
RADIATOR. VQ35DE. MT. F6<200411 - 200508>
RADIATOR. VQ35DE. MT. F6<200508 - 200608>
RADIATOR. VQ35DE. MT. F6<200608 ->
RADIATOR. VQ35DE. SPORT<200208 - 200306>
SHROUD. S. VQ35DE. MT. F6<200212 - 200306>
SHROUD. VQ35DE. AT. F5<200408 - 200508>
SHROUD. VQ35DE. AT. F5<200508 - 200608>
SHROUD. VQ35DE. AT. F5<200608 ->
SHROUD. VQ35DE. MT. F6<200411 - 200508>
SHROUD. VQ35DE. MT. F6<200508 - 200608>
SHROUD. VQ35DE. MT. F6<200608 ->
SHROUD. VQ35DE. SPORT<200208 - 200306>
SHROUD2. S. 2WD. VQ35DE. TRACK. AT. F5 + S. VQ35DE. BASIC<200310 - 200408>
SHROUD2. S. VQ35DE. AT. F5<200306 - 200310>
2003 - 2004
- VQ35DE. SPORT

2005 - 2006
- VQ35DE. MT. F6

2006 - 2007
- VQ35DE. MT. F6

2006 - 2007
- VQ35DE. MT. F6
Diagram RADIATOR,SHROUD & INVERTER COOLING for your INFINITI
#21503
Required: 1
FITTING PARTS. S. VQ35DE. MT. F6<200212 - 200306>
RADIATOR. S. VQ35DE. MT. F6<200212 - 200306>
SHROUD. S. VQ35DE. MT. F6<200212 - 200306>
SHROUD. VQ35DE. AT. F5<200408 - 200508>
SHROUD. VQ35DE. MT. F6<200411 - 200508>
SHROUD. VQ35DE. SPORT<200208 - 200306>
SHROUD2. S. 2WD. VQ35DE. TRACK. AT. F5 + S. VQ35DE. BASIC<200310 - 200408>
SHROUD2. S. VQ35DE. AT. F5<200306 - 200310>
2003 - 2004
- S. VQ35DE. MT. F6

Policies & Information

Manufacturer Warranty