NISMO Racing Radiator Cap 1.3 Bar – 350Z DE – 21430-RS013
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NISMO · 21430-RS013
1.3 bar · 45 mm cap
350Z · 2003–2006 · VQ35DE
Description
Give your 350Z DE cooling system a NISMO finishing touch. This racing radiator cap holds the system at a higher pressure than the standard cap, helping the coolant resist boiling under demanding conditions. It is a single 1.3 bar cap, not a fix for an existing overheating problem.
Fitment
- 2003–2006 350Z with the VQ35DE engine, including RevUp, where the original cap uses a 45 mm fitment.
- For an early 2007 DE car, confirm the build date and cap fitment with us before ordering.
- 350Z HR and 370Z fitment is not listed for this cap in NISMO's application chart.
Product Details
| Brand | NISMO |
|---|---|
| Part number | 21430-RS013 |
| Opening pressure | 1.3 kgf/cm² (approximately 127 kPa) |
| Cap diameter | 45 mm external diameter |
| Seal | Heat-resistant silicone rubber |
| Contents | One radiator cap |
Why Choose NISMO?
It is a genuine NISMO cooling part with a clearly specified pressure and cap size. For a sound 350Z DE cooling system, it offers extra resistance to coolant boiling when the car is driven hard.
Please Check Before Ordering
Compare the original cap and filler neck before ordering. The cooling system must be in good condition: inspect the radiator and hoses for age, damage or leaks before fitting a higher-pressure cap.
Only open the cooling system when the engine is completely cool. If you are unsure about your 350Z's build date or cap, contact Zend It Auto Parts with the VIN.
Related Parts
Refreshing the cooling system? See the Genuine Nissan coolant thermostat and housing for the 350Z DE.
