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NTK 21002  
$15.92
Price
$0.00
Core
$15.92
Total
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NTK 21002 Specifications
Dimensions - Thread Diameter18 mm
Dimensions - Wire Harness Length15.25 IN
Mounting TypeThreaded
Sensor TypeNon Heated
Wire Quantity1
NTK is the world's largest supplier and manufacturer of original equipment oxygen sensors. NTK combines expertise with innovation and delivers Oxygen Sensors with superior fit, form and function. When you require the best, count on NTK Oxygen Sensors to deliver.

Features
  • Extensively Tested During Manufacture to Guarantee Quality and Reliability
  • Supplied With a Factory-Fitted OEM Connector for Easy Installation
  • Precision manufactured with a sensing element incorporating NTK's premier technical ceramics
O2 Sensor Identification Guide

An OBD Scan Tool will usually identify Oxygen Sensors by the Bank Number (B1 = Bank 1) and Sensor Number (S1 = Sensor 1). Bank 1 will always contain Cylinder 1, which is located closest to the front of the engine.

Part manufacturers often use different terms than scan tools to identify sensor positions. Regardless of the vehicle's engine orientation, the right or left bank is determined by viewing the engine from the rear (opposite the drive belts).

A
Upstream Sensor (Before Converter)
B
Downstream Sensor (After Converter)
C
Left or Front Upstream Sensor (Before Converter)
D
Right or Rear Upstream Sensor (Before Converter)


Engine Bank Identification
Common O2 Sensor Contaminants

Oxygen (O2) Sensors commonly fail due to contamination. When checking or replacing an O2 Sensor, visually inspect the sensor body to determine if it has been contaminated by a faulty part or substance upstream, and correct the fault before replacing the sensor.

ANTIFREEZE POISONING
Common Causes:
  • Cracked or warped cylinder head
  • Leaking cylinder head gasket
  • Leaking intake manifold gasket
Antifreeze Poisoned O2 Sensor
Antifreeze Poisoned O2 Sensor
SILICONE POISONING
Common Causes:
  • Use of an improper silicone gasket sealant on the engine

Silicone Poisoned O2 Sensor
Silicone Poisoned O2 Sensor
CARBON BUILDUP
Common Causes:
  • Clogged air filter
  • Leaking or defective fuel injector

Carbon Buildup O2 Sensor
Carbon Buildup O2 Sensor

Attention California Customers - WARNING/Precaución: Cancer and Reproductive Harm - Cáncer y daño al sistema reproductivo - www.P65Warnings.ca.gov

OEM / Interchange Numbers: 06003981, 1821360B00, 1821364B00, 19211437, 21552, 25176707, 5014780AA, 53000886

NTK Warranty Information:
60 days