NGK Direct Fit Oxygen Sensor

Dodge Ram 1500 02 5.7L Hemi

23533

Overview:

The NGK Direct Fit Oxygen Sensor is a precision-engineered replacement part designed to maintain optimal engine performance and fuel efficiency in a wide range of Dodge and Jeep vehicles from 1997 through 2010. As a critical component of the vehicle’s on-board diagnostic system, this sensor continuously monitors the oxygen levels in the exhaust gases, providing real-time feedback to the engine control unit (ECU). This feedback enables precise control of the air-fuel mixture, ensuring efficient combustion, reduced emissions, and improved drivability.

Manufactured by NTK, the world’s largest OEM oxygen sensor supplier, this sensor is built to meet or exceed original equipment specifications. It is ideal for owners and technicians seeking a reliable, direct-fit replacement that restores factory-level performance and supports emission compliance.

Key Features:

Engineered with advanced technology and durable materials, the NGK Direct Fit Oxygen Sensor offers superior performance and longevity. Key features include:

• Direct fit design for easy installation on compatible Dodge and Jeep models without modifications
• Advanced ceramic sensor element with a 3-stage contaminant-resistant plasma jet and deposit trap overcoat to protect against sensor poisoning
• Provides accurate and consistent closed-loop feedback to the ECU for optimal air-fuel ratio control
• Enhances fuel efficiency by ensuring precise combustion management
• Helps reduce harmful emissions by monitoring catalytic converter efficiency and fuel delivery
• Manufactured using state-of-the-art technology from raw materials to finished product for consistent quality
• Designed and tested in collaboration with OEM manufacturers for reliable performance and durability
• Compatible with OBDII diagnostic systems for accurate fault detection and reporting

Construction & Design:

At its core, the NGK oxygen sensor features a high-quality ceramic sensing element that is carefully controlled from raw material selection through advanced manufacturing processes. The sensor’s ceramic element is protected by a specialized plasma jet and deposit trap overcoat, which significantly reduces the risk of contamination and sensor degradation over time. This robust design ensures long-term reliability even under harsh engine conditions.

The sensor housing and wiring are engineered for durability and resistance to heat, vibration, and chemical exposure commonly found in exhaust environments. This meticulous construction guarantees consistent sensor output and extended service life, making it a dependable choice for maintaining your vehicle’s emission control system.

Installation & Fitment:

The NGK Direct Fit Oxygen Sensor is designed for straightforward installation with no modifications required. It fits a broad range of Dodge and Jeep models, including:

• 1997–2004 Dodge Dakota
• 1998–2003 Dodge Durango
• 1999–2004 Jeep Grand Cherokee
• 2002–2010 Dodge Ram

Installation typically involves removing the old sensor and threading the new sensor into the exhaust manifold or pipe. It is recommended to use proper tools and follow vehicle-specific torque specifications to ensure a secure fit and prevent exhaust leaks. This sensor is compatible with the original wiring harness, making it a direct replacement that maintains factory system integrity.

What's Included:

• One NGK Direct Fit Oxygen Sensor (Part #23533)
• Pre-attached wiring harness connector for plug-and-play installation
• Installation instructions and torque specifications (where applicable)

Ideal For:

This oxygen sensor is ideal for vehicle owners, mechanics, and automotive enthusiasts who require a reliable, OEM-quality replacement part for Dodge and Jeep models within the specified year ranges. It is especially suited for those looking to restore proper engine management, improve fuel economy, and ensure compliance with emission standards. Whether replacing a faulty sensor or upgrading to a high-quality OEM equivalent, this NGK sensor delivers dependable performance and peace of mind.

NGK is one of the most trusted names in ignition, supplying spark plugs, coils, and related ignition/sensor components used across both OEM and aftermarket applications. For performance enthusiasts, NGK’s plug technology and broad coverage make it a reliable baseline upgrade for consistent spark, cleaner burn, and dependable operation under heat and boost.