does the tank have a pressure relive cap ?

It comes with a standard radiator style cap. Not a pressure relief lever style

Is this a pressure tank or just a reservoir?

I am unsure, I used mine for a reservoir. It could work as a pressure tank as long as the pressure doesn't become greater than the cap

Does this take standard radiator pressure caps?

This is smaller than a standard size cap

Does this tank have a mounting bracket on both sides? The pics only show one side of the tank.

No, and yes. This tank comes with a bracket on both sides but due to aftermarket quality control it didn’t fit absolutely perfect. I modified with another bracket I had on hand due to being a Nissan tech and everything fits beautifully.

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RYANSTAR Universal 2L Water Coolant Expansion Overflow Water Tank Reservoir Complete Header kit Aluminium Alloy Silver (Polished)

Product ID: 256807554

Details

Brand
ryanstar
Exterior finish
Silver
Item weight
0.95 Kilograms
Material
Aluminium
Vehicle service type
Car

✨Polished silver finish, fade-resistant

🔥High-temp resistant aluminum alloy

⚙️2L capacity for optimal coolant management

¥15249

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Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔥 Keep your engine cool and your style cooler!

SLEEK SILVER SHINE - Polished, powder-coated finish that stays vibrant—no fading, ever
OPTIMAL COOLING CONTROL - 2L reservoir ensures your engine stays perfectly temperature-regulated
ENGINEERED FOR ENDURANCE - Premium aluminum alloy resists heat & corrosion for lasting performance
BUILT TO PERFORM UNDER PRESSURE - Designed to handle overflow efficiently, protecting your engine’s health
UNIVERSAL FIT EFFORTLESS INSTALL - Comes with 3 adapter heads (15mm, 11mm, 9mm) for seamless compatibility

The RYANSTAR Universal 2L Water Coolant Expansion Tank is a durable, high-performance aluminum alloy reservoir designed for universal fitment. Featuring a polished, fade-resistant silver finish and three adapter heads, it ensures easy installation and reliable coolant overflow management to maintain optimal engine temperature under diverse conditions.

Specifications

ASIN	B0197YY1ZE
Automotive Fit Type	Universal Fit
Best Sellers Rank	446,403 in Automotive ( See Top 100 in Automotive ) 134 in Automotive Coolant Recovery Kits
Brand	ryanstar racing
Brand Name	ryanstar racing
Capacity	2.5 litres
Compatible with Vehicle Type	Car
Customer Reviews	4.0 out of 5 stars 122 Reviews
Exterior Finish	Silver
Exterior finish	Silver
Fit Type	Universal
Item Weight	0.95 Kilograms
Item weight	0.95 Kilograms
Manufacturer	RYANSTAR
Manufacturer Part Number	FST004-2.5L-S
Material	Aluminium
Material Type	Aluminium
Model Number	FST004-2.5L-S
Number of Items	4
Product Grade	like new
UPC	754914435853
Vehicle service type	Car

Reviews

E**R

Buen producto

Excelente

9.09.2025

J**E

It's okay..could be better..

Wish the mounting bracket was two wings or easier to modify to get it mounted and I wish it had a viewing hose or window to show fluid level.

23.04.2020

M**S

Good

Great looking

1.07.2026

M**S

Buen producto

Bueno

2.05.2026

D**D

Not polished

It's definitely not polished as mentioned in the description or pictures. Also full of aluminum shavings that i will have to flush out. Not happy with it at all

17.06.2024

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¥15249

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Japan.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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Customer service was outstanding when I had questions about the product.

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