Walker Products Mass Air Flow Sensor Assembly
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Walker Products Mass Air Flow Sensor Assemblies: OE Accuracy, Every Time
When your engine's air-fuel ratio drifts out of spec, the culprit is often a failing mass air flow (MAF) sensor. Walker Products has been engineering precision automotive sensors since 1946, and their Mass Air Flow Sensor Assemblies carry the same philosophy that has made the brand one of the most trusted names in the aftermarket: 100% new construction, never remanufactured, built to meet or exceed every original equipment specification.
What Sets Walker Products MAF Sensors Apart
Walker Mass Air Flow Sensors are precision-made for outstanding performance and manufactured to meet or exceed all original equipment specifications — and every unit is 100% new, never remanufactured. That distinction matters: remanufactured sensors can carry latent wear or contamination from their previous service life, whereas a fully new assembly gives technicians and DIYers a clean baseline from day one.
Walker Products MAF sensors are engineered for OE performance with easy installation, a durable build, and precise air flow measuring — qualities that make them a practical choice whether you are diagnosing a rough idle, correcting a lean-running condition, or clearing a P0101 trouble code.
Walker Products is committed to supplying products manufactured to meet or exceed OEM standards and specifications, an effort backed by in-house manufacturing, product management, and dedicated engineering teams to ensure precise accuracy in the production of the highest quality parts.
Hot-Film Sensing Technology & Complete Assemblies
Walker's MAF lineup spans a wide range of part numbers — including the 245-series — covering domestic and import applications alike. The Walker Products 245-1164, for example, features hot-film sensing technology with a ±10% measurement accuracy rating. Complete assembly versions include the housing, sensing element, and electrical connector, so the entire unit drops in as a direct replacement with no improvisation required.
The Mass Air Flow Sensor measures the volume and temperature of the air entering the engine's intake tube and reports the information to the vehicle computer — making sensor accuracy critical to fuel trim, throttle response, and emissions compliance. Walker's engineering approach targets that accuracy at every step of production.
A Legacy of Engine Sensor Expertise
Walker Products began supplying the fuel system needs of the automotive industry in 1946 and today is one of the largest privately owned manufacturers of fuel system components and engine sensors. Backed by a diverse array of high-quality products and holding ISO 9001:2008 and TS16949 certifications, Walker upholds a steadfast commitment to delivering excellence. That institutional knowledge flows directly into every MAF sensor assembly they produce.
Walker's expertise in engine management technology sets them apart. Their extensive line of sensors ensures accurate data for optimal engine performance, and every sensor is engineered to exacting standards, providing reliable operation in both everyday driving and demanding conditions.
Browse the full selection of Mass Air Flow Sensor Assemblies or explore the complete Walker Products catalog to find the right fit for your vehicle.