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Lexus Mass Air Flow Sensor

189 items

A mass air flow sensor measures the air entering the engine and sends that information to the engine control module. The module uses the signal along with other inputs to manage fuel delivery. A replacement needs to match the vehicle's intake and electrical system.

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Walker Products 245-1178 Mass Air Flow SensorWalker Products 245-1178 Mass Air Flow Sensor
Walker ProductsPart # 245-1178
Walker Products 245-1178 Mass Air Flow Sensor
53 Reviews
$52.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2021-2022 Toyota Hilux, 2020-2022 Toyota Corolla, 2020-2022 Toyota Corolla, 2020-2020 Toyota Hilux, 2019-2022 Toyota Prius AWD-e, 2017-2022 Toyota Prius Prime, 2016-2022 Toyota Prius, 2015-2021 Toyota Tundra, 2013-2022 Toyota Sequoia, 2013-2021 Lexus LX570, 2013-2021 Toyota Land Cruiser, 2013-2014 Toyota Hiace, 2010-2023 Lexus GX460, 2010-2014 Toyota Tundra, 2010-2012 Toyota Sequoia, 2010-2012 Toyota Sequoia, 2010-2011 Toyota Hiace, 2010-2010 Isuzu NPR-HD, 2010-2010 Toyota 4Runner, 2009-2009 Isuzu FTR
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Lexus
Item LocatedUnited States
Quantity1
Part interchange
245-1178, 64-1836, 64-2102, 641836, 642102, 917-925, AF10205, 8976019670, 
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item #1001P73Q
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Walker Products 245-1150 Mass Air Flow Sensor
Walker ProductsPart # 245-1150
Walker Products 245-1150 Mass Air Flow Sensor
53 Reviews
$63.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2013-2013 Scion xD, 2011-2013 Toyota Highlander, 2011-2011 Subaru Impreza, 2009-2015 Toyota Venza, 2009-2013 Toyota Matrix, 2009-2010 Pontiac Vibe, 2009-2010 Toyota Corolla, 2009-2010 Toyota Highlander, 2008-2015 Scion xB, 2008-2014 Lexus IS F, 2008-2012 Scion xD, 2008-2010 Toyota Highlander, 2007-2012 Lexus ES350, 2007-2011 Lexus GS350, 2007-2011 Toyota Camry, 2007-2010 Scion tC, 2007-2010 Toyota Sienna, 2007-2009 Lexus RX350, 2006-2013 Lexus IS250, 2006-2013 Lexus IS350
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Lexus
Item LocatedUnited States
Quantity1
Part interchange
245-1150, 641936, 64-1936, 917-961, 91258, AF10202, 88975798, MA175, 
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item #1001P6RD
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Walker Products 245-1244 Mass Air Flow Sensor
Walker ProductsPart # 245-1244
Walker Products 245-1244 Mass Air Flow Sensor
53 Reviews
$89.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2019-2019 Toyota Corolla, 2018-2021 Lexus NX300, 2018-2019 Lexus GS300, 2017-2019 Toyota Highlander, 2017-2018 Toyota Corolla iM, 2016-2023 Lexus IS300, 2016-2023 Lexus RC300, 2016-2017 Lexus GS200t, 2016-2017 Lexus IS200t, 2016-2017 Lexus RC200t, 2016-2016 Scion iM, 2015-2023 Lexus RC350, 2015-2021 Lexus NX300h, 2015-2017 Lexus NX200t, 2015-2015 Subaru Outback, 2015-2015 Subaru Outback, 2015-2015 Subaru Outback, 2015-2015 Subaru Outback, 2015-2015 Subaru Outback, 2015-2015 Subaru Outback
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Lexus
Item LocatedUnited States
Quantity1
Part interchange
245-1244, 19204726, 88975791, 88975816, 19352, MA320, 2220428010, 4M-1094, 
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item #1001P2UN
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Walker Products 245-1192 Mass Air Flow Sensor
Walker ProductsPart # 245-1192
Walker Products 245-1192 Mass Air Flow Sensor
53 Reviews
$69.99
Low stock: Only 4 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2005-2005 Lexus GX470, 2005-2005 Lexus LX470, 2005-2005 Toyota Land Cruiser, 2003-2004 Lexus GX470, 2003-2003 Toyota 4Runner, 2001-2004 Toyota Sequoia, 2000-2004 Toyota Tundra, 1998-2004 Lexus LX470, 1998-2004 Toyota Land Cruiser
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Lexus
Item LocatedUnited States
Quantity1
Part interchange
245-1192, 917-9124, 917-924, 7R3, MA182, AFH70M20, MAF0048, MAF0056, 
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item #1001P4CZ
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Walker Products 245-1121 Mass Air Flow Sensor
Walker ProductsPart # 245-1121
Walker Products 245-1121 Mass Air Flow Sensor
53 Reviews
$65.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2002-2010 Lexus SC430, 2001-2005 Lexus GS430, 2000-2002 Chevrolet Prizm, 1999-2002 Toyota Corolla
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Lexus
Item LocatedUnited States
Quantity1
Part interchange
245-1121, 641515, 64-1515, 917-817, AF10137, 84859375, 94859375, MA170, 
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item #1001P476
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Walker Products 245-1165 Mass Air Flow Sensor
Walker ProductsPart # 245-1165
Walker Products 245-1165 Mass Air Flow Sensor
53 Reviews
$102.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1999-2000 Volvo S70, 1999-2000 Volvo V70, 1996-1998 Acura TL, 1996-1998 Toyota Supra, 1996-1997 Lexus GS300, 1996-1997 Lexus SC300, 1995-1995 Acura TL
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Lexus
Item LocatedUnited States
Quantity1
Part interchange
245-1165, 641736, 64-1725, 64-1736, 641725, AF10229, MA115, 37980P1RA01, 
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item #1001P746
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Walker Products 245-1599 Mass Air Flow Sensor
Walker ProductsPart # 245-1599
Walker Products 245-1599 Mass Air Flow Sensor
53 Reviews
$257.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2023-2023 Lexus RX350h, 2023-2023 Toyota Crown, 2022-2023 Lexus IS500, 2022-2023 Lexus NX250, 2022-2023 Lexus NX350, 2022-2023 Lexus NX350h, 2022-2023 Lexus NX450h+, 2022-2023 Toyota Corolla Cross, 2021-2023 Lexus ES250, 2021-2023 Toyota Mirai, 2021-2023 Toyota RAV4 Prime, 2021-2023 Toyota Venza, 2020-2023 Toyota Highlander, 2020-2022 Toyota Corolla, 2020-2022 Toyota Corolla, 2020-2022 Toyota Corolla, 2020-2022 Toyota Corolla, 2019-2023 Lexus ES300h, 2019-2023 Lexus ES350, 2019-2023 Toyota Corolla
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Lexus
Item LocatedUnited States
Quantity1
ColorBlack
Part interchange
245-1599, 2220475040
item #1001P8TD
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Walker Products 245-1137 Mass Air Flow Sensor
Walker ProductsPart # 245-1137
Walker Products 245-1137 Mass Air Flow Sensor
53 Reviews
$87.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1999-2003 Toyota Solara, 1999-2001 Lexus ES300, 1999-2000 Lexus SC400, 1998-2000 Lexus GS300, 1998-2000 Lexus GS400, 1998-2000 Lexus LS400, 1998-2000 Lexus SC300, 1998-2000 Toyota Sienna, 1998-1998 Lexus SC400, 1997-2001 Toyota Camry, 1997-1999 Toyota Avalon, 1997-1998 Lexus ES300
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Lexus
Item LocatedUnited States
Quantity1
Part interchange
245-1137, 64-1729, 641729, 917-821, AF10037, AF10062, 7R5, MA186, 
...View more
item #1001P74Z
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Walker Products 245-1164 Mass Air Flow Sensor
Walker ProductsPart # 245-1164
Walker Products 245-1164 Mass Air Flow Sensor
53 Reviews
$116.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1996-1999 Toyota 4Runner, 1995-1998 Toyota T100, 1995-1998 Toyota Tacoma, 1995-1996 Toyota Avalon, 1994-1997 Toyota Previa, 1994-1996 Lexus ES300, 1994-1996 Toyota Camry
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Lexus
Item LocatedUnited States
Quantity1
Part interchange
245-1164, 64-1722, 641722, 917-970, MA360, 2225020020, SU5224, 24232M, 
...View more
item #1001P6C5
Show less
Page 10 of 10

Mass Air Flow Sensors

A mass air flow sensor measures the air entering the engine and sends that information to the engine control module. The module uses the signal along with other inputs to manage fuel delivery. A replacement needs to match the vehicle's intake and electrical system.

Choosing A Replacement MAF Sensor

Compare the connector, terminal arrangement, mounting and intake housing with the original assembly. These interfaces must suit the vehicle's intake and electrical system.

Frequently Asked Questions (FAQ)

Is a MAF sensor the same as a MAP sensor?

A MAF sensor measures incoming air mass flow; a MAP sensor measures pressure in the intake manifold. The engine computer uses their signals differently, so the two are not interchangeable replacement parts.

Should I buy a sensor with or without the housing?

A sensor-only replacement can be appropriate when the existing housing is sound and the application specifies that configuration. If the flow tube is cracked or the original design requires a complete assembly, choose the appropriate housing-included part.

Can a three-pin MAF sensor replace a five-pin sensor?

The electrical connection and signal design must match the vehicle. The A-Premium range includes different three- and five-terminal examples; neither the terminal count nor a similar shape alone establishes interchangeability.

Does a MAF-related code always mean the sensor is bad?

A code identifies a circuit or performance concern, not necessarily a failed sensor. Wiring, connections and intake leaks can affect diagnosis; checking the live signal and the rest of the intake system helps locate the cause.

Can the sensing element be touched during installation?

The sensing element is delicate and can be damaged by contact. Handle the sensor by its housing or connector and follow the part manufacturer's instructions for inspection or cleaning; do not scrape or touch the element.

Related Blogs

P0102 Code: MAF Circuit Low Causes and Fixes

Diagnose P0102 MAF Circuit Low codes effectively. Learn causes like loose connectors, wiring faults, or contamination, and follow step-by-step fixes to restore engine performance without unnecessary part replacements.

Sep 10, 2026

P0113 Code: IAT Circuit High Input Causes & Diagnosis Guide

Learn why open circuits, not just bad sensors, trigger p0113 code. Follow expert steps to diagnose wiring, connectors, and sensor resistance accurately, avoiding unnecessary part replacements and restoring engine performance. ✓

Sep 09, 2026

How to Clean a Mass Air Flow Sensor

Cleaning your mass air flow sensor can significantly enhance engine performance and fuel efficiency. This guide outlines the necessary tools and step-by-step techniques to ensure your sensor functions optimally for a smoother ride.

Aug 17, 2026

Can a Bad Mass Air Flow Sensor Cause Rough Idle?

A malfunctioning mass air flow sensor can significantly impact a vehicle's performance, particularly evident in symptoms like rough idle, hesitation, stalling, and decreased fuel efficiency.

Aug 17, 2026