Mine came with no washer can I install by using Teflon tape ?

No, it’s held in with a clip. you’ll need the rubber O ring. You could probably get away with re-using the old one, but it should have come with a new one. You could get one from the parts store or harbor freight.

can ghis fit an altezza 1999 model

, not sure, but do you know the exact model number ,example: RS200, RS 250, RS 300 and engine size, example 2.0 ?

2000 toyota sienna uses ect switch no.1 and no. 2 to control fan speed. does one doicoo ect switch do that? two? two different model switches?

Toyota uses multiple temperature sensors. One of them on the block is strictly for dashboard. The other one on the block is for the ECM. The one on the radiator is the coolant fan switch which controls the fan activation.

2000 toy sienna uses 2 temp control switches which control speed - radiator fans. will this part function in place of both switches for fan control??

Fan control switch is mounted to the radiator. The my 02 camry cng has 3temp sensors. The 2 on the thermostat housing are for ECM data and for the instrument cluster gauge

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Description

🌟 Stay cool, drive smarter — the sensor your engine deserves!

DURABLE BUILD QUALITY - Crafted from ABS, aluminum, and brass for long-lasting, stable operation under extreme temps.
LIGHTNING FAST RESPONSE - 1 millisecond sensor speed means real-time data for optimal engine performance.
UNIVERSAL COMPATIBILITY - Fits top Toyota & Lexus models—4Runner, Camry, Rav4, and more—seamlessly.
HASSLE FREE INSTALLATION - Plug-in design ensures quick swap without mechanic visits—get back on the road faster.
PRECISION TEMPERATURE CONTROL - Engineered for ±0.5% accuracy to keep your ride running cool and efficient.

The DOICOO Coolant Temperature Sensor (model 89422-20010) delivers ultra-precise temperature readings with ±0.5% accuracy and a rapid 1ms response time. Designed for seamless plug-in installation, it fits a wide range of Toyota and Lexus vehicles including 4Runner, Camry, and Rav4. Built with premium ABS, metal, and brass components, it withstands temperatures from 150°C up to 930°C, ensuring reliable, long-term engine performance.

Specifications

Brand	DOICOO
Material	ABS,Plastic,Metal,Aluminum,brass,Electronic Parts
Item Weight	0.03 Kilograms
Style	long life span
Current Rating	1 Amps
Lower Temperature Rating	150 Degrees Celsius
Maximum Supply Voltage	15 Volts
Measurement Accuracy	+/-0.5%
Measuring Range	‎λ=0.7- ∞
Mounting Type	Plug In
Output Type	PLUG IN
Response Time	1 Milliseconds
Sensing Distance	10 Meters
Specific Uses For Product	Coolant Temperature Sensor
Upper Temperature Rating	930 Degrees Celsius
UPC	710280963949
Manufacturer	DOICOO
Product Dimensions	3"D x 1.5"W x 1.5"H
Item Weight	1.16 ounces
Item model number	89422-20010
Is Discontinued By Manufacturer	No
Manufacturer Part Number	DOCOTMSW017
Wattage	10 watts

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