A-Premium Mass Air Flow Sensor MAF 5-Pin for Toyota Lexus Scion — Direct-Fit, ±3% Accuracy

This direct-fit replacement MAF sensor from A-Premium is built for many Toyota, Lexus and Scion models and is engineered to match original equipment specifications for plug-and-play installation. Made from PBT+GF30 and aluminum alloy, the unit uses five electrical pins, two mounting holes, and a bolt-on design to simplify swapouts in compatible vehicles. Its measurement range and stated accuracy aim to restore correct airflow readings and support stable engine operation.

Which vehicles will this A-Premium MAF sensor fit?

This sensor is designed for a wide range of Toyota, Lexus and Scion applications spanning late-1990s through mid-2010s models. Fitment includes common platforms such as Tacoma, 4Runner, Tundra, Camry, Corolla Matrix, Highlander, Prius, many Lexus ES/GS/LS/RX variants, and Scion xB/tC/xA models where a 5-pin MAF is specified. Always compare the reference numbers and physical connector to your original part before purchase.

• Toyota: 4Runner, Tacoma, Tundra, Camry, Celica, Corolla Matrix, RAV4, Prius, Sienna, Avalon, Highlander, FJ Cruiser, MR2 Spyder, Yaris, Solara
• Lexus: RX300/RX330/RX400h, ES300/ES330, GS300/GS430/GS450h, IS300, LS430
• Scion: xB, tC, xA — check engine size and model year compatibility

How accurate and robust is the sensor's measurement?

The A-Premium unit specifies a measuring range up to 9.25 m³/min with ±3% accuracy under its stated conditions. The combination of thermoplastic (PBT+GF30) housing elements and aluminum alloy components provides thermal and mechanical stability for everyday driving environments. This makes the sensor suitable for replacing worn or intermittent original MAFs to regain consistent airflow readings.

• Measuring range: 0–9.25 m³/min
• Stated accuracy: ±3%
• Maximum supply voltage: 12 volts, five-pin electrical connector
• Durable materials: PBT+GF30 and aluminum alloy

What are the physical and electrical specifications I should verify?

Before installing, confirm the connector type, terminal count, and mounting pattern match your vehicle's original sensor. This A-Premium MAF has five pins, two bolt holes, and a bolt-on mounting style; the housing does not include additional brackets. Compare the part against known reference numbers to ensure compatibility.

• Terminals: 5 pins (pin-type)
• Mounting: 2 bolt holes, bolt-on installation
• Housing: sensor body shipped without extra brackets or housings
• Reference numbers: includes common OE cross-refs like 22204-0C020, 22204-22010, 74-50009, and others

What support and warranty come with this replacement sensor?

A-Premium backs this MAF sensor with a one-year unlimited-mileage guarantee to cover workmanship and expected function during normal use. The company offers customer support and a broad catalog of automotive accessories if you need related parts or fitment advice.

• One-year unlimited-mileage warranty
• Access to A-Premium customer support and replacement options
• Recommended: inspect related intake components (air filter, intake tubing) when replacing MAF

Who is this for: Drivers and DIY mechanics looking to replace a failing or suspect MAF sensor on Toyota, Lexus, or Scion vehicles that require a five-pin, bolt-on unit. This product suits owners who need an affordable, motorist-friendly replacement matching common OEM reference numbers, and technicians who want a straightforward swap to restore proper airflow readings and engine behavior.