The radiator cap is not a pressure cap. is this a pressure cap? the coolant tank is a pressure cap

The radiator cap has a spring and rubber seal that keeps your radiator at 88kPa or about 13 PSI. So technically yes it is a pressure cap. This is why during coolant replacement service or checking for leaks the cap should be checked and/or replaced.

Will this cap fit a 2016 Nissan Rogue?

I don't know, but my car is 2009 Nissan Murano.

Will this fit 2008 ford explorer v8(4.6l)?

It was for my Nissan Murano, so I am going to say, no. If you have a Ford with a v8, 4.6 liter engine - everything is bigger, most likely the radiator cap as well.

New Radiator Cap Assembly Fit For Nissan 21430 8991a 21430

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Description

🚀 Upgrade your ride’s heart with precision and power!

PRECISION ENGINEERED FIT - Seamlessly replaces OEM caps for a perfect, leak-proof seal every time.
TRUSTED QUALITY ASSURANCE - Backed by 4.6-star user ratings and guaranteed to perform like the original, saving you money without compromise.
OPTIMIZED PRESSURE CONTROL - Maintains ideal 137kPa (1.3 bar) pressure to protect your engine’s cooling system under all conditions.
WIDE VEHICLE COMPATIBILITY - Fits a broad range of Nissan models and select Ford Explorers, ensuring versatile application.
PREMIUM STAINLESS STEEL BUILD - Crafted with high-strength Japanese materials for unmatched durability and corrosion resistance.

This New Radiator Cap Assembly (137kPa) is a high-quality, stainless steel replacement part designed for a wide range of Nissan vehicles and select Ford models. Engineered for durability and exact fit, it ensures optimal pressure regulation in your cooling system, backed by strong user reviews and trusted OEM interchange compatibility.

Specifications

ASIN	B09KZ5BTWC
Best Sellers Rank	#161,606 in Automotive ( See Top 100 in Automotive ) #141 in Automotive Replacement Radiator Standard
Brand Name	4STEED MOTORS
Closure Type	Twist-On
Color	Silver
Compatible with Vehicle Type	Car
Customer Reviews	4.6 4.6 out of 5 stars (297)
Exterior Finish	Aluminum
Included Components	Cap
Item Type Name	Radiator Cap Assembly
Item Weight	0.05 Kilograms
Manufacturer	4STEED MOTORS
Manufacturer Part Number	21430-8991A
Manufacturer Warranty Description	Manufacturer warranty for 90 days from date of purchase.
Material Type	Stainless Steel
Model Number	21430-8991A, 21430-8997A, 214308999C
Style Name	Modern
UPC	717340837059

Reviews

E**L

For Nissans

Perfect for a Nissan 2015 4 cyl

12.03.2026

A**R

Great Fit

The cap was a perfect fit for my 2012 Infiniti FX35 radiator.

4.05.2025

A**Z

Quality replacement parts

Replacement cap fit exactly like the original cap fit. Cheaper replacement with the same quality and function. Would buy again

13.11.2025

V**.

Great value

Worked as advertise

8.03.2026

D**D

Radiator cap

Fits 2006 pathfinder radiator side just fine

22.03.2025

R**.

Radiator cap

Works great

18.12.2025

C**Y

2002 Nissan Altima

Fit the radiator perfectly

20.09.2025

G**Z

Quedó a la medida y el carro dejo de botar liquido refrigerante por el recipiente de recirculación del refrigerante

29.05.2025

W**I

Exactly as described. Good quality.

11.01.2026

U**S

queda perfecto en Nissan Altima 2013

8.07.2024

C**N

Perfect fit, 2012 Fx35 - my old cap was in a bad shape.

10.12.2025

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TrustScore 4.5 | 7,300+ reviews

Anjali K.

The product quality is outstanding. Exactly what I needed for my work.

1 month ago

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3 weeks ago

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New Radiator Cap Assembly fit for Nissan 21430-8991A 21430-8997A 6L2Z8100AC (137kPa (1.3))

Details

Details

Description

Specifications

Reviews

Common Questions