A-Premium Mass Air Flow Sensor for 4.7L V8 — 5-Pin MAF for Toyota & Lexus, ±3% Accuracy

The A-Premium 5-pin Mass Air Flow (MAF) Sensor for 4.7L V8 engines accurately measures incoming air and delivers OEM-level performance for compatible Toyota and Lexus models.

This replacement MAF sensor is built to match original equipment tolerances for select Toyota and Lexus 4.7L V8 vehicles, offering stable airflow measurement, reliable voltage response, and bolt-on installation. Designed from durable PBT+GF30 polymer and aluminum alloy components, it supports a measuring range up to 9.25 m³/min with ±3% accuracy, helping the engine control module maintain proper air-fuel balance.

Which vehicles will this A-Premium MAF sensor fit?

This sensor is made for specific Toyota and Lexus 4.7L V8 model years. Confirm fitment by cross-checking the reference numbers and your vehicle’s production date before ordering.

• Compatible with Lexus GX470 2003–2005 (before 11/2004) and LX470 1998–2005 (before 05/2005).
• Fits Toyota 4Runner 2003–2004, Land Cruiser 1998–2005 (before 05/2005), Sequoia 2001–2004, and Tundra 2000–2004 with 4.7L V8.
• Reference numbers: 86-50021, 74-50021, 7450021, AFH70M-20 and compatible OEM codes like 22204-0F010.

How accurate and durable is this MAF sensor?

The unit measures airflow from 0 to 9.25 m³/min with a stated measurement accuracy of ±3%, giving consistent readings under normal operating conditions. It’s assembled from high-performance thermoplastics reinforced with glass fiber and aluminum alloy mounting points to resist vibration and engine heat.

• Measurement range up to 9.25 m³/min for full-load coverage.
• ±3% accuracy for dependable engine management input.
• PBT+GF30 housing material and aluminum alloy components for long life.

What are the installation and electrical specifics?

This is a bolt-on replacement with two mounting holes and a five-pin connector that matches the OEM pin layout. It supports a maximum supply voltage of 12 volts and uses standard pin terminals for direct plug-in installation where fitment is confirmed.

• Terminal quantity: 5 (pin type) for direct electrical compatibility.
• Mounting: 2-bolt bolt-on design—no extra housing included.
• Maximum supply voltage: 12 V; designed for typical vehicle electrical systems.

Why choose the A-Premium replacement over alternatives?

A-Premium manufactures this MAF sensor to closely match OEM specifications, reducing the chance of diagnostic faults and maintaining consistent readings. The product comes with a one-year unlimited-mileage guarantee, offering extra assurance after installation.

• Made to OEM tolerances to reduce check-engine triggers from poor readings.
• Improves consistency of airflow data delivered to the engine computer.
• Backed by A-Premium’s one-year unlimited-mileage warranty for confidence in purchase.

Who is this for? If you own a Toyota or Lexus 4.7L V8 model listed above and you need a direct-fit MAF sensor replacement—whether to resolve intermittent air measurement errors, restore reliable ECU input, or replace a failed OEM unit—this A-Premium 5-pin sensor is a practical, cost-effective option. Always verify compatibility with your vehicle’s year and part numbers before ordering to ensure proper fit and function.