NGK NTK 21054 Oxygen Sensor 4-Wire Direct Fit O2 Sensor

The NGK NTK 21054 oxygen sensor (also called an O2 sensor or air/fuel sensor) is an original equipment identical replacement. It monitors oxygen in the exhaust stream and sends that signal to the engine computer, which uses it to keep the air/fuel mixture accurate. This helps lower emissions, protect the catalytic converter, and maintain fuel economy and engine performance.

Key Features:

• 4-wire, non-flanged design with a direct plug-in connector, so no cutting or splicing is needed
• Wire length of 18.75 in. (477.5 mm)
• Platinum-coated sensing element for durability
• Sensing element made from NTK technical ceramic with an integrated heater for fast activation
• Individually tested to guarantee quality
• Plug mount style; electrical signal output

Cross-References: ACDelco 213-1570, 213-1698; Bosch 13847, 15545, 15850; BWD OS2242, OS2247; Delphi ES10909; DENSO 234-4119; General Motors 12573721, 12586996; Isuzu 8125869960; Spectra Premium OS5062; Standard Motor Products SG1409, SG1414.

NTK is a leading original equipment supplier of oxygen sensors. This sensor is built to the same fit, form and function as the original part, so it installs quickly.