Start the Year Strong — Spend $200+ and Get Up to $50 Off Shipping | Jan 5–31

OEM Infiniti Radiator Cooling Parts

Grille Assembly Filler Panel

Part Number: 623201W309
Infiniti Infiniti
Other Names: Grille-Radiator, Right-hand
Description: 1997-00, dark green.
Backordered

Filler Panel

Part Number: 623203W774
Infiniti Infiniti
Other Names: Grille-Radiator, Right-hand
Description: 2001-03, silver.
Backordered

Splash Shield

Part Number: 6282467U00
Infiniti Infiniti
Other Names: Guard-Splash, Radiator Core
Backordered

Filler Panel

Part Number: 623303W724
Infiniti Infiniti
Other Names: Grille-Radiator, Left-hand
Description: 2001-03, white.
Backordered

Drain Plug

Part Number: 21441JK20A
Infiniti Infiniti
Notes: Included with radiator assembly.
Other Names: Radiator Drain Plug, Radiator Assembly Drain Plug, Cock-Water Drain
Replaces: 21441jg00a
Description: 5.0L, lower. 3.5L, lower.
MSRP $20.50
$15.99

Insulator

Part Number: 2150810V00
Infiniti Infiniti
Other Names: Radiator Cap Insulator, Mount Bracket Insulator, Mounting Rubber-Radiator, Lower
Description: Lower.
MSRP $28.10
$21.92

Tank Gasket

Part Number: 21414CA000
Infiniti Infiniti
Notes: Included with radiator assembly.
Other Names: Tank Upper Seal, Radiator Inlet Tank Seal, Seal-Packing Radiator
Description: 3.5L. 4.5L. Coupe,. Sedan,.
Backordered

Cap

Part Number: 214308997A
Infiniti Infiniti
Applications: 5.6L. 2.5L. 3.0L, 3.5L, 3.7L.
Other Names: Reservoir Cap, Filler Cap, Radiator Cap, Service File Cap Assembly-Radiator
Replaces: 214308995a
Backordered

Core Seal

Part Number: 2149666U00
Infiniti Infiniti
Other Names: Upper Seal, Seal-Radiator Upper
Replaces: 2149660u00
Description: Upper.
Backordered

Shutter Bracket

Part Number: 623665CA0A
Infiniti Infiniti
Other Names: Bracket-Radiator Grille, Left-hand
Description: 2017-18. 2019-22. 2019-20.
MSRP $49.82
$35.62

Grille Bracket

Part Number: 623965CA0A
Infiniti Infiniti
Other Names: Bracket-Radiator Grille, Right-hand
Description: 2017-18.
MSRP $64.55
$46.15

Side Support

Part Number: 62521EJ70A
Infiniti Infiniti
Other Names: SRS-Support-Radiator Core, Sid
Description: 3.5L.
Backordered

No results found for "radiator". Here are some helpful search tips:

  • Search by a part name. Example: water pump.
  • Be less specific. Example: brake instead of ceramic brake.
  • Remove information such as make, year or model.
  • Can't find the part you are looking for? Contact us and we'll find it for you!


A radiator is a heat exchanger that your car cannot do without. There are some signs that can tell you if your radiator needs replacement. One major sign that you have a problem with your cooling system is leaking antifreeze. You may also smell antifreeze while you are driving if you have a coolant leak. If coolant is leaking, causing the antifreeze level to drop, a low coolant light may be lit on your dashboard to alert you that there is a problem. In general, if you have noticed that the vehicle is overheating, there is definitely a problem with your radiator or cooling system. Pay attention to the thermostat in your car! Occasionally thermostats can get stuck, causing your engine to overheat. Radiators can also crack or start to leak over time as well. Radiator caps can also break or crack, causing leaks. Hoses can get soft and develop leaks over time, causing your vehicle to lose vital antifreeze. You don't want a problem with your cooling system to cause major issues that could have been avoided. Here at Infiniti Parts Net you can find all of the radiators and cooling system parts you need for your specific Infiniti vehicle. Check out all of our radiator and cooling system parts below!