Thimble Ceramic Heater For Oxygen Sensor

Thimble Type oxgen sensor heaters are available in 1,2,3 or 4 wires depending on the construction project. Due to the environment legislations, newer vehicles only use oxygen sensors with internal heater, commonly found in 4-wire sensors, Thimble type with heater starts to work in approximately 40 seconds after ignition.

Thimble Oxygen Sensor Cutaway

1. Ceramic inductor (zirconium tube)
2. Heater rod
3. Protective tube

Features:

Fast ignition: Short ignition time, quickly reaching operating temperature after cold start
Excellent insulation performance: Ceramic material ensures electrical insulation and stable signal transmission
High temperature resistance and anti-poisoning: Resistant to erosion by harmful substances in exhaust gas, extending service life
High compatibility: Applicable to Bosch, Denso, Delphi, NTK & NGK, etc. mainstream brands
Long lifespan design: Manufactured by HTCC process, stable performance and good consistency
Resistance to water and thermal shock: Special protective layer design, reducing the risk of cracking under the impact of condensate water

Regular Product Model

Model	Size	Voltage	Resistance
INC-X5725TA	D2.5*57mm	13V	9±1%Ω
INC-X5729TDC	D2.9*57mm	12V	3.4±0.34Ω
INC-X37255TA	D2.55*37mm	13V	5±0.5Ω
INC-X50295TB	D2.95*50mm	13V	4.5±0.5Ω
INC-X53430TE	D3*53.4mm	13V	13±1Ω
INC-X56295TA	D2.95*56mm	13V	4.5±0.5Ω
INC-X5736TFB	D3.6*57mm	12V	2.7~3.3Ω
INC-X5736TG	D3.6*57.5mm	12V	2.3±0.3Ω
INC-X5729TF	D2.9*57mm	13V	13±1.3Ω

Product Assembled And Package Photos：