67.41 EUR
TRW JTC1426 Spark Plugs
Paired article numbers: JTC1427Steering arm type: Control Arm Quality Product
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TRW JTC1426 Spark Plugs
The TRW JTC1426 spark plug is a high‑performance ignition component engineered for modern gasoline engines that demand precise combustion timing and reliable spark delivery. Designed with advanced metallurgy and ceramic technology, this spark plug delivers exceptional durability, consistent performance, and superior fuel efficiency.
Key Features
- Advanced Ceramic Insulator: The insulator is made from a high‑temperature ceramic that resists heat buildup, ensuring stable operation even under extreme engine conditions.
- Precision Electrode Design: The center and ground electrodes are engineered for optimal spark gap and minimal wear, providing consistent ignition across the entire lifespan of the plug.
- Corrosion‑Resistant Coating: A protective coating on the metal components prevents rust and corrosion, extending service life in both dry and humid environments.
- Low Resistance: The low electrical resistance reduces energy loss, allowing the engine control unit to deliver a stronger spark for improved combustion efficiency.
- High Heat Range: Suitable for engines that operate at higher temperatures, the JTC1426 maintains performance without overheating.
Technical Specifications
| Specification | Value |
|---|---|
| Heat Range | High |
| Thread Size | 14mm x 1.25mm |
| Length | 57.5mm (approx.) |
| Gap | 0.7mm – 1.2mm (adjustable) |
| Material | Nickel alloy center electrode, copper ground electrode, ceramic insulator |
| Operating Temperature | Up to 650°C |
Applications
The TRW JTC1426 spark plug is compatible with a wide range of gasoline engines, particularly those found in:
- High‑performance sports cars and luxury sedans.
- Modern inline‑four and V‑six engines that require precise ignition timing.
- Vehicles where fuel economy and low emissions are critical.
Installation Guidelines
- Preparation: Ensure the engine is cool before removing or installing spark plugs to avoid burns or damage.
- Removal: Use a spark plug socket and ratchet. Turn counter‑clockwise until the plug is free.
- Inspection: Check for wear, fouling, or damage on the electrodes and insulator before installing a new plug.
- Gap Adjustment: If necessary, adjust the spark gap using a feeler gauge to match the manufacturer’s specification.
- Tightening: Install the plug by hand first, then tighten with a torque wrench to the specified torque (typically 120–140 Nm for most engines).
- Final Check: Verify that all plugs are installed correctly and that no wires or hoses are pinched.
Performance Benefits
- Improved Combustion: The precise electrode geometry ensures a clean, strong spark, leading to more complete fuel combustion.
- Enhanced Fuel Efficiency: Better combustion translates into lower fuel consumption and reduced CO₂ emissions.
- Reduced Engine Knock: High‑temperature tolerance helps prevent detonation under high load conditions.
- Longer Service Life: Corrosion resistance and durable materials mean fewer replacements over the vehicle’s lifetime.
Maintenance Tips
Even though the TRW JTC1426 is built for longevity, regular maintenance ensures optimal performance:
- Check spark plugs at every oil change or as recommended by the vehicle manufacturer.
- Avoid over‑tightening during installation to prevent thread damage.
- Inspect for signs of fouling (black deposits) which may indicate fuel mixture issues.
Why Choose TRW JTC1426?
The combination of advanced materials, meticulous engineering, and proven reliability makes the TRW JTC1426 spark plug a top choice for drivers who demand:
- Consistent engine performance across varying driving conditions.
- Reduced maintenance costs due to extended service intervals.
- A component that supports both high power output and fuel economy.
By selecting the TRW JTC1426, you invest in a spark plug that delivers dependable ignition, enhances engine longevity, and contributes to overall vehicle efficiency. Whether you’re maintaining a daily driver or tuning a performance machine, this spark plug stands out as an essential component for reliable, high‑quality combustion.
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| Tags | TRW JTC1426 Spark |
| Identifiers | |
| Brand | ![]() TRW is a brand that produces automotive parts and safety systems. Some of their notable products include airbags, seatbelts, and braking systems. The company has a long history of producing quality products and is known for their innovation in the automotive industry. |
| Model | TRW JTC1426 |
| MPN | TRW JTC1426 |
| ID | 7056196 |
| Dimensions / Weight | |
| Key Features | |


