My Garage
Cart

Genuine Nissan Z Radiator Cap

Cooling Radiator Cap
  • Select Vehicle by Model
  • Select Vehicle by VIN
Select Vehicle by Model
Make
Model
Year
or
Select Vehicle by VIN
For the most accurate results, select vehicle by your VIN (Vehicle Identification Number).

3 Radiator Caps found

  • Diagram for Nissan Z Radiator Cap - 21430-C991A
    View related parts

    Nissan Z Cap Assy-Filler

    Part Number: 21430-C991A
    $29.37 MSRP: $39.75
    You Save: $10.38 (27%)
    Ships in 1-3 Business Days
    ADD TO CART
    Product Specifications
    • Other Name: Cap Assembly-Radiator; Cap, Filler Cap, Radiator Cap
    • Warranty: This genuine part is guaranteed by Nissan's factory warranty.
    Fits the following Vehicles:
    • 2023-2025 Nissan Z | Nismo, Performance, Proto Spec, Sport | 6 Cyl 3.0 L GAS
  • Nissan Z Radiator Cap - 21710-5CF0A
    Diagram for Nissan Z Radiator Cap - 21710-5CF0A
    View related parts

    Nissan Z Reserve Tank Assembly

    Part Number: 21710-5CF0A
    $200.54 MSRP: $283.25
    You Save: $82.71 (30%)
    Ships in 1-2 Business Days
    ADD TO CART
    Product Specifications
    • Other Name: TANK ASSY-RESERVE; Cap, Reservoir
    • Warranty: This genuine part is guaranteed by Nissan's factory warranty.
    Fits the following Vehicles:
    • 2023-2025 Nissan Z | Nismo, Performance, Proto Spec, Sport | 6 Cyl 3.0 L GAS
  • Nissan Z Radiator Cap - 21430-8997A
    Diagram for Nissan Z Radiator Cap - 21430-8997A
    View related parts
    Product Specifications
    • Other Name: Cap Assembly-Radiator; Cap, Radiator Cap, Reservoir Cap
    • Position: Driver Side
    • Replaces: 21430-8995A
    • Warranty: This genuine part is guaranteed by Nissan's factory warranty.
    Fits the following Vehicles:
    • 2023-2025 Nissan Z | Nismo, Performance, Proto Spec, Sport | 6 Cyl 3.0 L GAS

Nissan Z Radiator Cap

The Radiator Cap in the Nissan Z locks coolant under about 16 PSI, increasing the boiling point and preventing overheating issues during hard acceleration. This small Radiator Cap opens at peak pressure to push fluid into an overflow bottle, then pulls back when the temperature goes down, preventing harmful air pockets. The two-way control helps make the Radiator Cap a small but vital device that controls the heat while also preventing the coolant from being lost, making power delivery smooth. Since the same basic Radiator Cap thread and gasket size have remained, it fits the classic S30, the punchy 350, the polished 370, and the recent Nissan Z with no fuss. The genuine Nissan badge is trusted by drivers, as the materials resist corrosion and the calibrated spring holds spec even after thousands of heat cycles. The Radiator Cap maintains the correct pressure for efficiency. A cooler burning engine has a cleaner burn, protecting turbos and cylinder heads from thermal stress. Those who track their cars report quicker cool downs between laps, and commuters experience reduced losses of coolant in stop and go traffic. An effective Radiator Cap is strong enough. By integrating this proven part with the balanced chassis of a modern Z, the powerplant is allowed to be ready for spirited canyon runs or calm highway miles. Engineers on the new Z were able to improve cooling passages after decades of evolution but retained the trustworthy pressure range delivered by its factory Radiator Cap. Trust is, after all, everything. This consistency helps retain the reputation unearthed by the very first Z that excited fans worldwide ever since. Opt for the factory seal and discover why the recent Nissan Z still trusts this modest cap to protect every hard earned horsepower. This Radiator Cap features a durable nickel finish. It is a genuine Nissan part. Moreover, it is an affordable upgrade for any Nissan Z garage.

If you need any OEM Nissan Z Radiator Cap, feel free to choose them out of our huge selection of genuine Nissan Z Radiator Cap. All our parts are offered at unbeatable prices and are supported by the manufacturer's warranty. In addition, we offer quick shipping to have your parts delivered to your door step in a matter of days.

Related Nissan Z Parts