Cooling system protective caps?

The cap assembly is an important component in a complex vehicle cooling system. This part is used to seal the radiator and maintain optimum pressure to Keep it from coolant overflow, thus ensuring efficient engine operation.

Why is this part necessary?

The cap cover plays a vital role in maintaining the proper pressure within the cooling system. This pressure helps raise the boiling point of the coolant and keep it from evaporating in the heat of the engine.

It ensures that the pressure environment is maintained, allowing the coolant to circulate efficiently.It contains a spring loaded valve that releases excess pressure, serving the dual purpose of safety and performance efficiency.

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Radiator Cap 16401-20353 1640120353 Fits for Toyo-ta 1996-2000 4Runner,1989-2001 Camry,1993-2016 Corolla,2000-2006 Tundra,2003-2013 Ma-trix Pri-us Sequoia More by Sikawai

Radiator Cap 16401-20353 1640120353 Fits for Toyo-ta 1996-2000 4Runner,1989-2001 Camry,1993-2016 Corolla,2000-2006 Tundra,2003-2013 Ma-trix Pri-us Sequoia More by Sikawai

Product ID: 258077794

Details

Brand
Sikawai
Color
As picture
Material
Metal
Vehicle Service Type
Car
Style
Modern

🔥Prevents engine overheating

🔧Easy twist-on installation

⚙️Precision pressure control

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$21.10

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Description

🔥 Keep your Toyota cool and running smooth — don’t let a faulty cap slow you down!

SAFETY FIRST DESIGN - Spring-loaded valve releases excess pressure to protect your engine and cooling system.
HASSLE FREE INSTALLATION - Twist-on cap design allows quick, secure replacement without professional help.
DURABLE PREMIUM METAL BUILD - Crafted from high-quality metal for long-lasting durability and reliable performance.
UNIVERSAL TOYOTA COMPATIBILITY - Fits 15+ Toyota models from 1989 to 2016, including 4Runner, Camry, Corolla, Tundra, Prius, and more.
ENGINE OPTIMIZED PRESSURE CONTROL - Maintains ideal coolant pressure to boost engine efficiency and prevent overheating.

The Sikawai Radiator Cap 16401-20353 is a premium metal replacement part designed to maintain optimal coolant pressure in Toyota vehicles from 1989 to 2016. Featuring a spring-loaded valve for safety and a twist-on design for easy installation, it prevents coolant evaporation and engine overheating, ensuring reliable cooling system performance across multiple Toyota models.

Specifications

ASIN	B08G1HN5G3
Automotive Fit Type	Vehicle Specific Fit
Best Sellers Rank	#199,726 in Automotive ( See Top 100 in Automotive ) #167 in Automotive Replacement Radiator Standard
Brand	Sikawai
Brand Name	Sikawai
Closure Type	Twist-On
Color	As picture
Compatible with Vehicle Type	Car
Customer Reviews	4.4 out of 5 stars 248 Reviews
Item Weight	0.03 Kilograms
Manufacturer	Sikawai
Manufacturer Part Number	1640120353
Material	Metal
Material Type	Metal
Model Number	1640120353
Style	Modern
Style Name	Modern
UPC	779584210951
Vehicle Service Type	Car

Reviews

M**Z

Worth the purchase

Perfect fit for my 2004 corolla

30.01.2026

H**U

Good price

It works.

11.03.2026

M**Z

Know your engine, this cap does not fit all versions

The 1996 Camry came with two different engines, this cap fits the four cylinder but NOT the six cylinder.

30.09.2024

B**S

Works great

Fit perfectly on my 2000 4runner. No leaks.

1.10.2025

S**N

looks like the original part

Perfect fit and looks like the original part

19.01.2026

A**R

Great

Perfect on my 01 toyota tundra.

3.01.2026

B**S

GARBAGE AFTERMARKET CAP. DOES NOT FIT CAMRY. NOT OEM specs or quality.

GARBAGE. Bad fit, flimsy, not at OEM spec. Amazon Fit Finder tool assured me this universal cap was compatible with my 1998 Camry radiator, but after installation, antifreeze sprayed all over my engine -- all for want of a decent rubber gasket. Cheap aftermarket junk. Afterward, I purchased a Napa cap, which fits perfectly.

15.12.2025

D**R

Worked Like a Charm

Functionality: Replaced a failed cap on my 2006 Tundra with this one. Worked like a charm so far - no more fluid spewing out the overflow tank.

15.07.2025

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$21.10

Duties & taxes included

In stock

Sold byAmazon USADelivered 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 USA.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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