Hitachi® - Ignition Knock Sensor

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$43.85 - $49.02
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Product Details

Ignition Knock Sensor by Hitachi®. This sensor will accurately detect an engine knock or ping and transmit signals to the ECU to protect your engine from damaging detonation. Manufactured using the latest electronic-sensing technologies to ensure high accuracy and reliable operation, it will help optimize your engine's performance.

Hitachi

Features:

  • Meets or exceeds OE specifications
  • Designed for reliable and lasting operation
  • Constructed from superior materials
  • Ensures unmatched quality

Many modern vehicles are equipped with an ignition knock sensor that detects engine pinging. Basically, it is a device attached to the engine block or cylinder head containing a piezoelectric crystal, which is sensitive to vibration in the engine caused by engine knock that accompanies detonation. Detonation, also known as ignition knock, occurs when the air/fuel mixture isn’t just ignited by the spark plug, but also by hot spots in the combustion chamber. This creates multiple flame fronts within the combustion chamber, and when they collide, the cylinder pressure increases dramatically and you'll hear a metallic knocking or pinging noise. It can be caused by using the fuel with a low octane rating, engine overheating, hot carbon deposits on the piston or cylinder head, etc.

A heavy or continuous detonation can cause a destructive impact on your engine. Using the signals from the ignition knock sensor, the vehicle computer instantly retards timing when spark knock occurs until the detonation stops. A faulty sensor can't transmit data to the computer, which leads to uncontrolled detonation that can seriously damage the engine. Hitachi carries premium ignition knock sensors that accurately detect abnormal noise and vibration frequencies in the engine, protecting it from destructive detonation. Hitachi uses the latest electronic-sensing and control technologies to make their sensors superior to the competition. Improvements in sensor accuracy lead directly to better control system performance.

Since its founding in 1910, Hitachi® has expanded well beyond the creation of the five-horsepower electric induction motor that was its first product. Today, it is a recognized leader in diverse market segments. Universally known as an Original Equipment Manufacturer that serves major carmakers, Hitachi is increasing its presence in the automotive aftermarket. Headquartered in Tokyo, Japan, Hitachi is famous worldwide for its reliability, innovation, and contribution to moving society forward. The company has pioneered a number of groundbreaking car parts, including the world's first engine central control units, photoelectric crank angle sensors, turbo chargers for rotary engines, etc. With operations in Japan, North, Central and South America, Europe, and Asia, Hitachi develops and manufactures advanced vehicle parts that preserve the environment, enhance safety, and provide comfort.

Warranty Information

Hitachi warrants its products to be free from defects in materials or workmanship for a period of 12 months or 12,000 miles. The warranty period begins on the date the product is delivered.

The warranty is granted to the end-user and applies to products which are purchased, installed, and used for the purposes for which they are originally designed. This warranty covers defects arising under normal use and does not cover malfunctions or failures resulting from misuse, abuse, neglect, improper installation, or incorrect maintenance.

During the warranty period, Hitachi will repair or replace, at no charge, a product that is defective in materials or workmanship. Hitachi reserves the right to either repair or replace a defective component at its discretion and reserves the right to substitute an equivalent product under the terms of this warranty.

Magnuson-Moss Warranty Act:
Legally, a vehicle manufacturer cannot void the warranty on a vehicle due to an aftermarket part unless they can prove that the aftermarket part caused or contributed to the failure in the vehicle (per the Magnuson Moss Warranty Act (15 U.S.C. 2302(C)) Learn More
Low Prices Price match guarantee
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Easy Returns Quick & Hassle Free

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