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

🔧Easy twist-on installation, no mechanic needed

🚗Vehicle-specific fit for 14+ Toyota models

⚙️Spring-loaded valve for precise pressure control

$23.10

Duties & taxes included

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Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔥 Keep your engine cool and your ride unstoppable! 🚗

SAFETY FIRST DESIGN - Spring-loaded valve releases excess pressure, protecting your engine from damage.
PRECISION PRESSURE CONTROL - Maintains optimal radiator pressure to prevent coolant boil-over and engine overheating.
DURABLE PREMIUM METAL BUILD - Crafted from high-quality metal for long-lasting performance and reliability.
EFFORTLESS DIY INSTALLATION - Simple twist-on cap replacement—no special tools or mechanic required.
UNIVERSAL TOYOTA COMPATIBILITY - Fits 14+ Toyota models from 1989 to 2016, including Corolla, Camry, Tundra, Prius, and more.

The Sikawai Radiator Cap 16401-20353 is a premium, metal radiator cap designed for over 14 Toyota models spanning 1989-2016. It features a spring-loaded valve that precisely maintains optimal cooling system pressure, preventing coolant evaporation and engine overheating. Easy to install with a twist-on design, this durable cap ensures reliable engine performance and safety, making it an essential upgrade for Toyota owners who demand peak vehicle efficiency.

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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