The Ignition Coil 9091902218 is a core energy conversion component for modern automotive gasoline engine ignition systems, designed to transform the vehicle's 12V low-voltage power into a high-voltage spark capable of igniting the air-fuel mixture within engine cylinders. Mounted directly on the cylinder head, this ignition coil works in sync with spark plugs, the engine control unit (ECU) and ignition modules to deliver complete combustion, stable engine operation and optimal fuel economy. As a precision-engineered OEM replacement, the ignition coil 9091902218 offers seamless compatibility and reliable performance for a wide range of Toyota and Lexus models, making it an ideal choice for aftermarket repairs and upgrades.
Key Features
Manufactured to exact original equipment specifications, the Ignition Coil 9091902218 is a direct drop-in replacement that requires no modifications to wiring, mounting or adapters. It perfectly aligns with factory mounting points and electrical interfaces, ensuring a hassle-free installation process and eliminating fitment errors.
Utilizes a high-density enameled copper wire winding and high-permeability silicon steel core to generate a consistent high-voltage output of over 35,000V. This ensures a strong, reliable spark even under extreme operating conditions, such as high engine loads and low temperatures, effectively preventing misfires and incomplete combustion.
The outer housing is constructed from high-strength, heat-resistant PBT engineering plastic, which can withstand continuous operating temperatures up to 200℃ and offers excellent resistance to aging, corrosion and chemical exposure. The internal high-voltage tower is made of high-purity ceramic insulation material, preventing high-voltage leakage and ensuring long-term performance stability.
Adopts vacuum epoxy resin encapsulation technology to create a fully sealed structure, achieving an IP6K9K dustproof and waterproof rating. This effectively isolates internal components from engine oil, coolant, dust and moisture, while built-in overvoltage and overcurrent protection circuits safeguard the vehicle's ECU and ignition module from electrical damage.
Produced under the strict IATF16949 automotive quality management system, every Ignition Coil 9091902218 undergoes rigorous testing, including high-voltage withstand, insulation resistance, temperature cycling and 60,000+ cycle durability tests, ensuring a 100% factory pass rate and a service life of over 120,000 kilometers.
Technical Specifications
|
Item |
Specification |
|
Product Model |
Ignition Coil 9091902218 |
|
Product Dimensions |
88.5MM65.2MM60.1MM |
|
Replacement Models |
90919-02250, 90919-C2005, 90919-02260 |
|
Applicable Systems |
Automotive gasoline engine ignition system |
|
Input Voltage |
12V DC |
|
Rated Output Voltage |
≥35,000V |
|
Operating Temperature |
-40℃ ~ +200℃ |
|
Housing Material |
High-strength heat-resistant PBT engineering plastic |
|
Insulation Material |
High-purity ceramic + epoxy resin encapsulation |
|
Mounting Type |
Bolt-on fixed installation (1 bolt) |
|
Connector Type |
3PIN waterproof automotive connector |
Structural Composition
Core Electromagnetic Assembly
The heart of the Ignition Coil 9091902218, consisting of a high-permeability silicon steel core and double-layer enameled copper wire windings. This assembly efficiently converts low voltage to high voltage, ensuring stable energy transfer and reliable spark generation.
01
Low-Voltage Electrical Connector
A 3PIN waterproof plastic connector with anti-loosening clips and gold-plated pins, designed to maintain a secure connection with the vehicle's wiring harness and ECU even under intense engine vibration, preventing electrical corrosion and poor contact.
02
High-Voltage Output Tower
A ceramic high-voltage tower at the top, fitted with a high-temperature resistant rubber seal, that directly connects to the spark plug. Its exceptional insulation properties ensure that high-voltage electricity is accurately delivered to the spark plug electrode without leakage or breakdown.
03
Integrated Mounting Bracket
A metal-plastic composite mounting bracket with precision-machined threaded holes, engineered to match the engine cylinder head's mounting points. It includes an anti-vibration rubber gasket to minimize the impact of engine vibration on internal components, extending the product's service life.
04
Full-Sealed Protective Housing
A one-piece molded PBT housing that fully encloses the internal electromagnetic assembly, combined with vacuum epoxy resin encapsulation to create a hermetically sealed unit. This design effectively shields the coil from the harsh engine bay environment, ensuring long-term reliability.
05
Compatible Vehicle Models
- Toyota: Camry (2012-2017), Corolla (2014-2019), RAV4 (2013-2018), Highlander (2014-2019), Avalon (2013-2018), Sienna (2015-2020), Tacoma (2016-2021)
- Lexus: ES350 (2013-2018), RX350 (2012-2017), IS350 (2014-2019), NX300 (2015-2020)
- Scion: tC (2014-2016), iM (2015-2016)
Installation and Usage Notes
Before installing the Ignition Coil 9091902218, disconnect the vehicle's negative battery terminal and wait 3-5 minutes to discharge residual electrical energy, preventing short circuits and damage to sensitive electronic components.
Ensure the engine is completely cooled (below 40℃) before installation to avoid burns and prevent thermal deformation of the coil's plastic and rubber components.
Thoroughly clean the engine cylinder head mounting surface and spark plug port to remove oil, dust and carbon deposits, ensuring a tight seal and reliable electrical contact between the coil and spark plug.
Align the ignition coil vertically with the spark plug and mounting hole, press firmly until the mounting bracket is fully seated, then tighten the mounting bolt to the specified torque (10-12 N·m) to prevent loosening due to engine vibration.
After installation, reconnect the battery, start the engine and check for signs of misfiring, rough idling or illuminated warning lights. Conduct a test drive under varying engine speeds to confirm proper operation.
In cases of multi-cylinder ignition failure, it is recommended to replace all coils simultaneously to ensure consistent performance across all cylinders, avoiding uneven power delivery and extending the life of spark plugs and other ignition system components.
Packing,Storage,Handling and Transportation
The Ignition Coil 9091902218 is individually packaged in an anti-static sealed plastic bag, with shock-absorbing EPE foam lining inside a rigid corrugated carton to protect against impact, extrusion and scratches during transit. The outer carton is clearly labeled with the product model, quantity, weight and handling instructions, including anti-shock, moisture-proof and high-temperature warnings.
Storage
Store the product in its original packaging in a clean, dry, well-ventilated warehouse with a temperature range of -5℃ to 45℃ and relative humidity ≤70%. Avoid exposure to direct sunlight, high temperatures, moisture, oil contamination and strong electromagnetic fields. The product has a shelf life of 36 months under normal storage conditions.
Handling
Handle with care to avoid dropping, impact or heavy pressure. Do not pull on the electrical connector or high-voltage tower, as this may damage internal wiring, insulation or connector pins.
Transportation
Suitable for road, sea and air transport. Ensure packaging remains intact and protected from rain, snow and extreme temperatures during transit. Secure cartons in the transport vehicle to prevent sliding, collision or stacking damage.
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