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OE: 90919-01235 Spark Plug for Toyota Hilux 4.0L | Toyota

This spark plug fits Toyota Hilux models with the 4.0L petrol engine.
It supports stable ignition and consistent combustion performance.
The iridium electrode design ensures durability under high engine temperatures.
OE reference 90919-01235 matches Denso FK20HR11 specification.
Engine verification is recommended before installation.

Overview

Toyota Hilux 4.0L spark plug delivers consistent ignition for high-displacement petrol engines.
For this reason, Toyota specifies precise heat range and electrode materials.
The spark plug supports stable combustion under high load and varied temperatures.
As a result, engine response and combustion consistency remain predictable.

Vehicle Compatibility and Applications

This spark plug is designed for Toyota Hilux models equipped with the 4.0L petrol engine.
Typical applications include vehicles using the 1GR-FE engine platform.
The same engine architecture appears in selected Toyota SUVs and pickups.
Moreover, the ignition layout remains consistent across multiple production years.

Material and Structural Design

The spark plug features a metal threaded shell with a ceramic insulator body.
Therefore, the structure supports secure installation and effective heat dissipation.
An iridium center electrode is used to maintain durability under high combustion temperatures.
At the same time, the outer shell provides corrosion resistance in engine environments.

Ignition Stability and Engine Performance

High-output petrol engines require precise ignition timing.
For this reason, the spark plug maintains stable spark delivery during acceleration and load changes.
As a result, misfire risk is reduced in normal operating conditions.
Moreover, consistent ignition supports smooth idle and throttle response.

OE Reference Integration

Toyota assigns OE number 90919-01235 to this spark plug specification.
This reference corresponds to Denso FK20HR11 configuration.
The OE appears across multiple 4.0L petrol engine applications.
However, production year and market verification is recommended before installation.

Service Life and Replacement Guidance

Spark plugs are fast-moving service components.
For this reason, inspection is recommended during scheduled engine maintenance.
Iridium spark plugs typically support extended service intervals.
Replacement should follow official Toyota maintenance schedules.

Installation Notes

This spark plug installs directly into the cylinder head threads.
Correct torque application is required during installation.
Professional installation ensures proper seating and ignition performance.

Sourcing & Ordering FAQ

❓ Is this product suitable for my market?

Product suitability depends on operating conditions, usage intensity, and local expectations.

We evaluate product recommendations based on real application scenarios,

not just vehicle compatibility.

❓ Do you supply OEM or aftermarket versions?

Depending on the product, we can support OEM-standard or verified aftermarket options.

The recommendation is based on quality stability, cost structure, and market positioning — not labels.

❓ Can this product be combined with other parts in one shipment?

Yes.

Consolidated sourcing across categories is one of our core strengths,

helping buyers reduce freight cost and inventory pressure.

❓ How is quality controlled before shipment?

All products are inspected before shipment.

We work with factories that maintain stable production processes rather than short-term output.

❓ Can I start with a trial order?

Yes.

Trial orders are encouraged for new cooperation,

especially for engine and cooling system service parts where consistency matters.

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