Description

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The Ignition Coil 9091902197 is a core power supply component of the automotive ignition system, responsible for converting the vehicle's low 12V voltage into a high-voltage electric spark that ignites the air-fuel mixture in the engine cylinder. Installed on the engine cylinder head, it works in conjunction with spark plugs, the engine control unit (ECU) and ignition module to ensure efficient combustion, stable engine operation and optimal fuel economy. This product is precisely compatible with multiple Toyota and Lexus models, serving as a reliable OEM replacement part for original ignition system components.

Products Description

Precise OEM Fit

Engineered strictly to original equipment manufacturing specifications, the part number 9091902197 is a direct drop-in replacement with no drilling, wiring modification or additional adapter required, ensuring perfect alignment with the original mounting points and electrical interfaces.

High-Voltage Output Stability

Adopts an advanced enameled copper wire winding structure and high magnetic permeability iron core, delivering a stable high-voltage output of up to 30,000V. It ensures a strong and consistent electric spark even under extreme working conditions, eliminating misfiring and incomplete combustion.

Durable & High-Temperature Resistant Materials

The housing is made of high-strength heat-resistant PBT engineering plastic, which can withstand the high temperature of 180℃ in the engine compartment and has excellent corrosion and aging resistance; the internal high-voltage tower is made of ceramic insulation material with high breakdown voltage, avoiding high-voltage leakage.

Multi-Layer Insulation Protection

Integrated with multi-layer epoxy resin vacuum encapsulation technology, achieving IP6K9K dustproof and waterproof performance, effectively isolating engine oil, coolant and dust erosion; built-in overvoltage and overcurrent protection circuits prevent damage to the ECU and ignition module caused by abnormal voltage.

Strict Quality Control

Manufactured in compliance with the IATF16949 automotive quality management system, all products undergo high-voltage withstand, insulation resistance, temperature cycle and durability testing, ensuring a 100% factory pass rate and a long service life of more than 80,000 kilometers.

Technical Specifications

Item	Specification
Product Model	9091902197
Product Dimensions	85.2MM62.5MM58.8MM
Replacement Models	90919-02239, 90919-02240, 90919-C2001
Applicable Systems	Automotive gasoline engine ignition system
Input Voltage	12V DC
Output Voltage	≥30,000V
Operating Temperature	-40℃ ~ +180℃
Housing Material	Heat-resistant PBT engineering plastic
Insulation Material	High-purity ceramic + epoxy resin
Mounting Type	Bolt-on fixed installation

Structural Composition

Core Electromagnetic Assembly

Consists of a high magnetic permeability silicon steel sheet iron core and double-layer enameled copper wire primary and secondary windings, the core part for voltage conversion, ensuring efficient energy conversion and stable high-voltage output.

Electrical Connectors

A 2PIN waterproof plastic connector on the low-voltage side for reliable connection with the vehicle's ignition wiring harness and ECU, with anti-loosening buckles to prevent poor contact caused by engine vibration.

High-Voltage Output Tower

A ceramic high-voltage tower at the top with a rubber sealing ring, directly connected to the spark plug, with excellent insulation performance to ensure high-voltage electricity is transmitted to the spark plug electrode without leakage.

Mounting Bracket

Integrated metal-plastic composite mounting bracket with precision threaded holes, matching the engine cylinder head mounting points, with anti-vibration rubber gaskets to reduce the impact of engine vibration on the internal components of the ignition coil.

Protective Housing

One-piece molded PBT heat-resistant housing, wrapping the internal electromagnetic assembly and encapsulating it with epoxy resin, achieving full-sealed protection and isolating the external harsh working environment.

Compatible Vehicle Models

Toyota: Camry (2002-2006), Corolla (2003-2008), RAV4 (2001-2005), Highlander (2001-2007), Prado (2003-2009), Yaris (2005-2011)
Lexus: ES300 (2002-2006), RX300 (2001-2006), IS200 (2000-2005), GS300 (2001-2005)
Scion: xB (2004-2006), tC (2005-2008)

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Installation and Usage Notes

Before installation, disconnect the vehicle's negative battery terminal to avoid short circuit and damage to the electrical components; wait for 2-3 minutes to discharge the residual electricity in the ignition system.

Ensure the engine is completely cooled before installation to prevent scalding and avoid affecting the performance of the ignition coil's plastic and rubber parts due to high temperature.

Clean the mounting surface of the engine cylinder head and the spark plug installation port before installation, remove oil, dust and carbon deposits to ensure a tight seal and reliable contact.

When installing, align the ignition coil with the spark plug and mounting hole vertically, press it down firmly until the mounting bracket is fully attached, and then tighten the mounting bolt to the specified torque (8-10 N·m) to avoid loose installation caused by engine vibration.

After installation, reconnect the negative battery terminal, start the engine and check for abnormal conditions such as engine misfiring, idling instability and fault lights; perform a test drive to ensure the ignition coil works normally under different engine speeds.

Replace the ignition coil in a set if multiple cylinders have ignition failures to ensure consistent ignition performance of each cylinder and avoid uneven engine power output.

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Packing,Storage,Handling and Transportation

Ignition Coil 9091902197 is individually packaged in anti-static sealed plastic bags, with shock-absorbing foam lining inside the hard corrugated carton to prevent collision damage during transportation. The outer carton is marked with product model, quantity, weight and anti-shock, moisture-proof and anti-high-temperature signs.

Storage: Store the product in its original packaging in a clean, dry, well-ventilated warehouse with a temperature of 0℃ ~ 40℃ and a relative humidity of ≤75%. Avoid direct sunlight, high temperature, moisture, oil pollution and strong electromagnetic radiation; the storage shelf life is 24 months under normal storage conditions.

Handling: Handle the product with care during handling, avoid violent collision, falling and extrusion; do not pull the electrical connector and high-voltage tower hard to prevent damage to the internal wiring and insulation structure.

Transportation: The product can be transported by road, sea and air. During transportation, ensure the packaging is intact, avoid exposure to rain, snow and high temperature; fix the carton firmly in the transport vehicle to prevent sliding and collision during transportation.