LABWORK Air Flow Meter Sensor MAF for 1986-89 Nissan D21 PickUp Pathfinder 2.4L

What is LABWORK Air Flow Meter Sensor MAF for 1986-89 Nissan D21 PickUp Pathfinder 2.4L?

The LABWORK Air Flow Meter Sensor MAF is a precision-engineered replacement for the original mass air flow sensor on 1986–1989 Nissan D21 Pickups and Pathfinder models equipped with the 2.4L engine. This sensor measures the volume and density of air entering the engine, enabling the ECU to maintain optimal air-fuel ratio for combustion. A failing MAF sensor can lead to reduced fuel efficiency, stalling, hesitation, and increased emissions. This unit serves as a reliable, cost-effective solution for restoring engine performance and drivability in older Nissan vehicles.

Key features

• Direct Fit Replacement — Matches OEM specifications for seamless installation on 1986–1989 Nissan D21 and Pathfinder 2.4L models.
• Compatible OEM Numbers — Replaces AFH45M-14, AFH45M-15, and 12078-12G00 with verified electrical and mechanical fit.
• Precise Airflow Measurement — Ensures accurate data delivery to the ECU for optimal fuel metering and engine response.
• Durable Construction — Built to withstand underhood heat and vibration for long-term reliability.
• Plug-and-Play Design — No modifications or tuning required; connects directly to factory harness.
• Restores Engine Performance — Eliminates rough idle, hesitation, and poor acceleration caused by faulty MAF sensors.
• Includes 1pc MAF Sensor — Complete unit ready for immediate installation.

Who is LABWORK Air Flow Meter Sensor MAF for 1986-89 Nissan D21 PickUp Pathfinder 2.4L for?

This MAF sensor is designed for owners of 1986–1989 Nissan D21 trucks and Pathfinder SUVs who need a dependable, affordable replacement for a failing airflow meter. It’s ideal for DIY mechanics and repair shops maintaining older Nissan platforms. Whether restoring a classic D21 or keeping a vintage Pathfinder running cleanly, this sensor supports emission compliance, fuel economy, and smooth throttle response. It’s especially valuable for vehicles where OEM parts are discontinued or overpriced.

How does LABWORK Air Flow Meter Sensor MAF for 1986-89 Nissan D21 PickUp Pathfinder 2.4L compare?

Compared to used OEM sensors from junkyards, the LABWORK unit offers fresh, consistent performance without the risk of internal wear or contamination. It's more affordable than dealer-sourced originals while maintaining compatibility with factory systems. Unlike universal MAF sensors requiring calibration or adapters, this is a dedicated fit for the 2.4L D21 and Pathfinder, eliminating guesswork. While not a performance-tuned unit for modified engines, it outperforms generic aftermarket alternatives in reliability and fitment accuracy, making it the best choice for stock or lightly upgraded applications.