Walker Products

Walker Products 245-1145 Air Flow Sensor

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SKU:
19901089
MPN:
2451145
Availability:
Usually ships the same or next business day. In stock at our PA warehouse.
Shipping:
Calculated at Checkout
Stock Update:
02/05/2026 09:36:49 PM PST
$46.64

Bulk discount rates

Below are the available bulk discount rates for each individual item when you purchase a certain amount

Buy 2 and pay only $42.39 each 42.39
Buy 3 and pay only $40.82 each 40.82
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Buy 7 or above and pay only $37.45 each 37.45
Stock Update:
02/05/2026 09:36:49 PM PST

Description

This item is brand-new, factory sealed.

Walker Products 245-1145 Mass Air Flow Sensor
  • Walker Products Mass Airflow ( MAF ) sensor measures the amount of air by weight through changing voltages or frequencies
  • MAF Sensor sends information collected to the onboard computer
  • The computer uses this and other inputs to calculate the correct amount of fuel delivered
  • Symptoms of failure MAF include poor starting, engine surging, engine stalling, a check engine light, and no-start conditions. Sensors are non-serviceable, replace sensors that are non-functional
  • OEM Part Number: MF21130N SU7008 64-1821 MAS0423 917-900 20953 9R2 AF10145 5S13136 MF21130 5S5512 221130 MA190 4M-1086 MAF0033 MAS0244 74-50047
  • Fit type: Vehicle Specific
  • Manufacturer: Walker
  • Brand: Walker Products
  • Model: 245-1145
  • Item Weight: 1.44 ounces
  • Product Dimensions: 8 x 6 x 5 inches
  • Country of Origin: China
  • Item model number: 245-1145
  • Exterior: Engine Management (1600)
  • Manufacturer Part Number: 245-1145
  • OEM Part Number: MAF0033 AF10145 37980RNAA01 37980RV0A01 2505010 37980RC0M01 AFH70M41B AFH70M41 AFH70M41C 37980RADL11, MF21130N, MF50047 SU7008 64-1821 MAS0423 917-900 20953 9R2 5S13136 MF21130 5S5512 221130 MA190 4M-1086 MAS0244 74-50047

Mass airflow sensors measure the amount of air by weight through changing voltages or frequencies and sends this information to the onboard computer. The computer uses this and other inputs to calculate the correct amount of fuel delivered. Symptoms of failure include poor starting, engine surging, engine stalling, a check engine light, and no-start conditions. Sensors are non-serviceable, replace sensors that are non-functional. Walker Products began supplying the fuel system needs of the automotive industry in 1946. Today Walker is one of the largest, privately owned manufacturers of fuel system components and engine sensors, and has served the needs of the worldwide automotive aftermarket. We are committed to supplying products manufactured to meet or exceed OEM standards and specifications. This effort is backed by our own manufacturing, product management and engineering staff to ensure it is maintained and accurate in the production of quality parts, vehicle applications, instruction sheets and technical support. Our products include Carburetor and Fuel Injection Repair Kits, Oxygen Sensors and other Engine Management products such as Throttle Position Sensors, Cam and Crankshaft Sensors, Fuel Injectors, Spark Plug Wires and Gaskets. As an ISO 9001: 2015/TS16949 certified company, we are committed to supplying the highest quality products. Vehicle Fitment: Acura ILX 2015-2013, MDX 2017-2007, RDX 2017-2007, RL 2012-2009, RLX 2017-2014, TL 2014-2009, TLX 2017-2015, TSX 2014-2010, ZDX 2013-2010, Honda Accord 2017-2005, Accord Crosstour 2011-2010, Civic 2015-2006, Crosstour 2015-2012, CR-Z 2016-2011, Fit 2013-2009, Fit 2017-2015, HR-V 2017-2016, Insight 2014-2010, Odyssey 2017-2007, Pilot 2017-2009, Ridgeline 2014-2009, Ridgeline 2017

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Warranty Information

All Items are Brand New, Factory Sealed and come with a standard warranty. [Read our policies]
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Walker Products 245-1145 Air Flow Sensor
$46.64