Details

• Brand:

  

• SKU:

  21430-AX60A

• Other Names:

  Coolant Tank Cap, Overflow Bottle Cap, Radiator Reservoir Cap, Coolant Bottle Cap

• Description:

  Radiator Coolant Reservoir Cap (21430-AX60A)

  If your vehicle is experiencing coolant smell, minor coolant loss, or a loose or cracked overflow cap, this Radiator Coolant Reservoir Cap (21430-AX60A) restores proper sealing of the coolant expansion tank. A damaged or worn cap can allow coolant vapor to escape and disrupt proper cooling system pressure balance.

  This listing is for the coolant reservoir (overflow tank) cap only. The reservoir tank is not included.

  OEM Replacement Part for Nissan

  Always verify compatibility by VIN before ordering. Enter your VIN above — every order is reviewed by a certified Nissan parts specialist to verify fitment before shipping.

  This genuine OEM coolant reservoir cap is engineered to factory pressure and sealing specifications to maintain proper cooling system operation. Unlike generic caps, OEM components ensure correct fit and pressure retention.

  Specifications

  Part Type: Coolant Reservoir Cap
  System: Engine Cooling
  Position: Coolant Overflow Tank
  Material: High-temperature plastic with factory seal
  Fitment Type: Direct OEM replacement
  Includes: Cap only

  Compatible Models

  • 2018–present Kicks (P15 platform)
  • 2019–present Versa Sedan (N18 platform)

  Fitment may vary by production date. Always confirm compatibility using your VIN before ordering.

  Key Features

  • Factory-correct coolant reservoir cap
  • Maintains proper coolant system sealing
  • Direct-fit OEM replacement
  • Heat-resistant construction
  • Designed to meet factory cooling system specifications

  Failing to Replace a Damaged Reservoir Cap Can Lead To

  Coolant Vapor Escape: Cracked or loose caps may allow coolant vapor to leak.

  Cooling System Imbalance: Improper sealing may affect expansion tank operation.

  Coolant Odor: Escaping vapor can produce a noticeable coolant smell.

  Debris Contamination: Missing or loose caps allow dirt into the reservoir.

  Related Components to Inspect

  Coolant Reservoir Tank: Check for cracks or leaks.
  Radiator Cap: Inspect for proper pressure retention.
  Cooling Hoses: Inspect for swelling or deterioration.
  Engine Coolant: Verify proper level and condition.

  Order with Confidence

  Need assistance confirming part compatibility? Our certified Nissan parts specialists can verify that the part number ordered matches your VIN:
  https://parts.chapmannissan.com/contact-us

  All OEM Nissan parts are shipped directly from Chapman Nissan in Philadelphia, PA, and every order is reviewed by a certified Nissan parts specialist before shipping.

  Why Buy OEM Nissan Parts from Chapman Nissan?

  Every OEM part listed on our site is genuine and built to exact factory specifications for fit, function, and reliability. Unlike universal cooling system caps, OEM components are engineered to maintain proper system operation.

  Most OEM Nissan parts ship within 1–3 business days from our certified Nissan warehouse.

  FAQ

  Is this the radiator cap?
  No. This is the coolant reservoir (overflow tank) cap.

  Does this control cooling system pressure?
  The radiator cap controls primary system pressure. This cap seals the overflow reservoir.

  Is this sold individually?
  Yes. This listing is for one reservoir cap.

  Will this fix a coolant leak?
  If the leak is caused by a cracked or loose reservoir cap, replacement may resolve the issue.

  Do I need special tools to install it?
  No. Installation is typically tool-free.

  
  

• Condition: New
• Applications: 1.6L.

• Warranty:

  This part is covered by a 12-month / 12,000-mile limited warranty against defects in materials or workmanship. Labor coverage applies only when installed at an authorized Nissan dealer.

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