24/7 Customer service
To make aftermarket auto parts an afterthought.
Add your vehicle
Address
Login
Cart
Item
$0.00
Add your vehicle to ensure fitment/Choose a yearRequired Fields
Select a different vehicle
Make/Model
VIN
Save

Buick Mass Air Flow Sensor

196 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.

  • All filters
  • Sort By
  • Year
  • Model
  • Price
  • Placement on Vehicle
  • Brand
  • Material
  • Color
  • Warranty
Walker Products 245-1000 Mass Air Flow SensorWalker Products 245-1000 Mass Air Flow Sensor
Walker ProductsPart # 245-1000
Walker Products 245-1000 Mass Air Flow Sensor
53 Reviews
$99.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1988-1989 Oldsmobile Cutlass Supreme, 1988-1988 Buick Regal, 1988-1988 Pontiac Grand Prix, 1987-1989 Buick Century, 1987-1989 Chevrolet Celebrity, 1987-1989 Oldsmobile Cutlass Ciera, 1987-1989 Oldsmobile Cutlass Cruiser, 1987-1989 Pontiac 6000
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick
Item LocatedUnited States
Quantity1
Part interchange
245-1000, 161-1010, 20000, 64-1507, 641507, SU124, 27857, MF7877, 
...View more
item #1001P4ST
Show less
Walker Products 245-1005 Mass Air Flow Sensor
Walker ProductsPart # 245-1005
Walker Products 245-1005 Mass Air Flow Sensor
53 Reviews
$143.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1993-1993 Buick Skylark, 1993-1993 Oldsmobile Cutlass Cruiser, 1992-1993 Oldsmobile Achieva, 1992-1993 Pontiac Grand Am, 1992-1992 Buick Skylark, 1991-1991 Buick LeSabre, 1990-1990 Buick Electra, 1989-1993 Buick Century, 1989-1993 Oldsmobile Cutlass Ciera, 1989-1992 Oldsmobile Cutlass Cruiser, 1989-1991 Buick Skylark, 1989-1991 Oldsmobile Cutlass Calais, 1988-1991 Oldsmobile Delta 88, 1988-1991 Pontiac Bonneville, 1988-1990 Buick LeSabre, 1988-1990 Buick Reatta, 1988-1990 Buick Riviera, 1988-1990 Oldsmobile 98, 1988-1990 Oldsmobile Toronado, 1988-1989 Buick Electra
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick
Item LocatedUnited States
Quantity1
Part interchange
245-1005, 917-860, AF10124, 19112549, 19179712, 24502966, 25532799, 25535419, 
...View more
item #1001P6Y1
Show less
Walker Products 245-2133 Mass Air Flow Sensor
Walker ProductsPart # 245-2133
Walker Products 245-2133 Mass Air Flow Sensor
53 Reviews
$59.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2009-2010 Chevrolet Malibu, 2009-2009 Buick LaCrosse, 2008-2012 Chevrolet Malibu, 2008-2010 Saturn Vue, 2008-2010 Saturn Vue, 2008-2009 Chevrolet Captiva Sport, 2008-2009 Chevrolet Equinox, 2008-2009 Pontiac Torrent, 2008-2008 Buick Enclave, 2008-2008 Buick LaCrosse, 2008-2008 Chevrolet Malibu, 2008-2008 Chevrolet Malibu, 2007-2010 Pontiac G6, 2007-2009 Pontiac G6, 2007-2009 Saturn Aura, 2007-2008 Chevrolet Malibu, 2007-2008 GMC Acadia, 2007-2008 Saturn Aura, 2007-2008 Saturn Outlook, 2007-2007 Buick Rendezvous
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick
Item LocatedUnited States
Quantity1
Part interchange
245-2133, MAS0183, MF21258, MF21258N, 10349461, 12574398, 19351887, MA900
item #1001PAPR
Show less
Walker Products 245-2005 Mass Air Flow Sensor
Walker ProductsPart # 245-2005
Walker Products 245-2005 Mass Air Flow Sensor
53 Reviews
$120.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1993-1993 Buick Skylark, 1993-1993 Oldsmobile Cutlass Cruiser, 1992-1993 Oldsmobile Achieva, 1992-1993 Pontiac Grand Am, 1992-1992 Buick Skylark, 1991-1993 Oldsmobile Cutlass Ciera, 1991-1991 Buick LeSabre, 1990-1990 Buick Electra, 1990-1990 Oldsmobile Cutlass Ciera, 1989-1993 Buick Century, 1989-1992 Oldsmobile Cutlass Cruiser, 1989-1991 Buick Skylark, 1989-1991 Oldsmobile Cutlass Calais, 1989-1990 Oldsmobile Cutlass Ciera, 1989-1990 Oldsmobile Cutlass Ciera, 1989-1990 Oldsmobile Cutlass Ciera, 1988-1991 Oldsmobile Delta 88, 1988-1991 Pontiac Bonneville, 1988-1990 Buick LeSabre, 1988-1990 Buick Reatta
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick
Item LocatedUnited States
Quantity1
Part interchange
245-2005, 19112549, 2H502966, MA171
item #1001PDDT
Show less
Walker Products 245-1058 Mass Air Flow Sensor
Walker ProductsPart # 245-1058
Walker Products 245-1058 Mass Air Flow Sensor
53 Reviews
$91.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1996-1996 Buick LeSabre, 1996-1996 Buick Park Avenue, 1996-1996 Buick Riviera, 1996-1996 Oldsmobile 88, 1996-1996 Oldsmobile 98, 1996-1996 Oldsmobile Cutlass Ciera, 1996-1996 Oldsmobile LSS, 1996-1996 Pontiac Bonneville, 1996-1996 Pontiac Bonneville, 1995-1995 Buick Century, 1995-1995 Buick Riviera, 1995-1995 Oldsmobile 88, 1995-1995 Oldsmobile 88, 1995-1995 Oldsmobile 88, 1994-1995 Oldsmobile 98, 1994-1995 Oldsmobile Cutlass Ciera, 1994-1994 Buick Century, 1994-1994 Oldsmobile Cutlass Cruiser, 1993-1995 Pontiac Bonneville, 1992-1995 Buick LeSabre
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick
Item LocatedUnited States
Quantity1
Part interchange
245-1058, 641501, 64-1500, 64-1501, 641500, 917-849, 917-934, AF10123, 
...View more
item #1001P775
Show less
Walker Products 245-1116 Mass Air Flow Sensor
Walker ProductsPart # 245-1116
Walker Products 245-1116 Mass Air Flow Sensor
53 Reviews
$76.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1998-1998 Chevrolet Lumina, 1998-1998 Chevrolet Monte Carlo, 1998-1998 Oldsmobile Intrigue, 1997-1998 Buick LeSabre, 1997-1998 Buick Park Avenue, 1997-1998 Buick Regal, 1997-1998 Buick Riviera, 1997-1998 Oldsmobile 88, 1997-1998 Oldsmobile LSS, 1997-1998 Oldsmobile Regency, 1997-1998 Pontiac Bonneville, 1997-1998 Pontiac Grand Prix, 1996-1998 Chevrolet Camaro, 1996-1998 Pontiac Firebird, 1996-1996 Buick Century, 1996-1996 Buick LeSabre, 1996-1996 Buick Park Avenue, 1996-1996 Buick Regal, 1996-1996 Buick Riviera, 1996-1996 Oldsmobile 88
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick
Item LocatedUnited States
Quantity1
Part interchange
245-1116, AFH50M04, MAF0005, 4M-1060, 917-815, AF10125, MAS0194, 25519M, 
...View more
item #1001P2UA
Show less
Walker Products 245-2062 Mass Air Flow Sensor
Walker ProductsPart # 245-2062
Walker Products 245-2062 Mass Air Flow Sensor
53 Reviews
$75.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2006-2006 Pontiac Montana, 2005-2005 Pontiac Montana, 2004-2005 Buick Rendezvous, 2004-2004 Chevrolet S10, 2004-2004 GMC Sonoma, 2003-2005 Chevrolet Blazer, 2002-2003 Buick Rendezvous, 2002-2003 Isuzu Axiom, 2002-2002 Chevrolet Blazer, 2001-2005 Pontiac Aztek, 2001-2003 Isuzu Rodeo Sport, 2001-2002 Oldsmobile Aurora, 2000-2005 Chevrolet Impala, 2000-2005 Chevrolet Monte Carlo, 2000-2003 Chevrolet Malibu, 2000-2002 Oldsmobile Intrigue, 2000-2001 Chevrolet Lumina, 1999-2005 Pontiac Grand Am, 1999-2004 Oldsmobile Alero, 1999-2004 Pontiac Montana
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick
Item LocatedUnited States
Quantity1
Part interchange
245-2062, 19207202, 25008207, 25008309, 25008316, 8192072020, 8250083090, MA232
item #1001PC33
Show less
Walker Products 245-2162 Mass Air Flow Sensor
Walker ProductsPart # 245-2162
Walker Products 245-2162 Mass Air Flow Sensor
53 Reviews
$94.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2006-2006 Pontiac Montana, 2005-2005 Pontiac Montana, 2004-2005 Buick Rendezvous, 2004-2004 Chevrolet S10, 2004-2004 GMC Sonoma, 2003-2005 Chevrolet Blazer, 2002-2003 Buick Rendezvous, 2002-2003 Isuzu Axiom, 2002-2002 Chevrolet Blazer, 2001-2005 Pontiac Aztek, 2001-2003 Isuzu Rodeo Sport, 2001-2002 Oldsmobile Aurora, 2000-2005 Chevrolet Impala, 2000-2005 Chevrolet Monte Carlo, 2000-2003 Chevrolet Malibu, 2000-2002 Oldsmobile Intrigue, 2000-2001 Chevrolet Lumina, 1999-2005 Pontiac Grand Am, 1999-2004 Oldsmobile Alero, 1999-2004 Pontiac Montana
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick
Item LocatedUnited States
Quantity1
Part interchange
245-2162, 25008207, 25008309, 25008316, 8192072020, 8250083090, 8281202790
item #1001PD8P
Show less
Walker Products 245-1062 Mass Air Flow Sensor
Walker ProductsPart # 245-1062
Walker Products 245-1062 Mass Air Flow Sensor
53 Reviews
$92.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2006-2006 Pontiac Montana, 2005-2005 Pontiac Montana, 2004-2005 Buick Rendezvous, 2004-2004 Chevrolet S10, 2004-2004 GMC Sonoma, 2003-2005 Chevrolet Blazer, 2002-2003 Buick Rendezvous, 2002-2003 Isuzu Axiom, 2002-2002 Chevrolet Blazer, 2001-2005 Pontiac Aztek, 2001-2003 Isuzu Rodeo Sport, 2001-2002 Oldsmobile Aurora, 2000-2005 Chevrolet Impala, 2000-2005 Chevrolet Monte Carlo, 2000-2003 Chevrolet Malibu, 2000-2002 Oldsmobile Intrigue, 2000-2001 Chevrolet Lumina, 1999-2005 Pontiac Grand Am, 1999-2004 Oldsmobile Alero, 1999-2004 Pontiac Montana
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick
Item LocatedUnited States
Quantity1
Part interchange
245-1062, 641505, 64-1505, 917-825, AF10045, 19112573, 19171538, 19207202, 
...View more
item #1001P4DT
Show less
Walker Products 245-1587 Mass Air Flow Sensor
Walker ProductsPart # 245-1587
Walker Products 245-1587 Mass Air Flow Sensor
53 Reviews
$367.99
Low stock: Only 2 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2012-2013 Buick Regal
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick
Item LocatedUnited States
Quantity1
ColorBlack
Part interchange
245-1587, 13345245, MAS0505
item #1001PCXV
Show less
Walker Products 245-1087 Mass Air Flow Sensor
Walker ProductsPart # 245-1087
Walker Products 245-1087 Mass Air Flow Sensor
53 Reviews
$103.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2011-2011 Cadillac STS, 2009-2011 Buick Enclave, 2009-2011 Cadillac CTS, 2009-2011 Chevrolet Traverse, 2009-2011 GMC Acadia, 2009-2010 Cadillac STS, 2009-2010 Saturn Outlook, 2009-2009 Cadillac SRX, 2009-2009 Chevrolet Equinox, 2009-2009 Pontiac G8, 2009-2009 Pontiac Torrent
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick
Item LocatedUnited States
Quantity1
Part interchange
245-1087, 0280218490, AF10416, MAS0272, 74-10160, 15875837, 213-4250, MA276
item #1001P6NK
Show less
Walker Products 245-1061 Mass Air Flow Sensor
Walker ProductsPart # 245-1061
Walker Products 245-1061 Mass Air Flow Sensor
53 Reviews
$96.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1993-1993 Pontiac Bonneville, 1992-1993 Buick Park Avenue, 1992-1993 Oldsmobile 98, 1992-1993 Pontiac Bonneville, 1991-1991 Buick Park Avenue
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick
Item LocatedUnited States
Quantity1
Part interchange
245-1061, SU174, 22968M, MF2968, MF2968N, 74-50005, 19112536, 24501808, 
...View more
item #1001P46S
Show less
Walker Products 245-1052 Mass Air Flow Sensor
Walker ProductsPart # 245-1052
Walker Products 245-1052 Mass Air Flow Sensor
53 Reviews
$84.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2004-2005 Pontiac Bonneville, 2000-2005 Chevrolet Impala, 1999-2005 Buick LeSabre, 1999-2005 Buick Park Avenue, 1999-2005 Chevrolet Monte Carlo, 1999-2004 Buick Regal, 1999-2003 Pontiac Bonneville, 1999-2003 Pontiac Grand Prix, 1999-2002 Chevrolet Camaro, 1999-2002 Pontiac Firebird, 1999-1999 Buick Riviera, 1999-1999 Chevrolet Lumina, 1999-1999 Oldsmobile 88, 1999-1999 Oldsmobile Intrigue, 1999-1999 Oldsmobile LSS
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick
Item LocatedUnited States
Quantity1
Part interchange
245-1052, CTK-MAS0310, 5890008, 917-820, AF10126, 12568877, 19112543, 19137065, 
...View more
item #1001P4H9
Show less
Walker Products 245-1003 Mass Air Flow Sensor
Walker ProductsPart # 245-1003
Walker Products 245-1003 Mass Air Flow Sensor
53 Reviews
$100.99
Low stock: Only 2 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1987-1988 Oldsmobile Cutlass Cruiser, 1985-1988 Buick Century, 1985-1988 Oldsmobile Cutlass Ciera, 1985-1985 Buick Electra, 1985-1985 Oldsmobile 98
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick
Item LocatedUnited States
Quantity1
Part interchange
245-1003, 64-1506, 641506, 19112561, 25007539, 25007665, 25007835, 25007872, 
...View more
item #1001P60N
Show less
Walker Products 245-1162 Mass Air Flow Sensor
Walker ProductsPart # 245-1162
Walker Products 245-1162 Mass Air Flow Sensor
53 Reviews
$101.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2006-2006 Pontiac Montana, 2005-2005 Pontiac Montana, 2004-2005 Buick Rendezvous, 2004-2004 Chevrolet S10, 2004-2004 GMC Sonoma, 2003-2005 Chevrolet Blazer, 2002-2005 Pontiac Grand Am, 2002-2005 Pontiac Grand Am, 2002-2003 Buick Rendezvous, 2002-2003 Isuzu Axiom, 2002-2002 Chevrolet Blazer, 2001-2005 Pontiac Aztek, 2001-2003 Isuzu Rodeo Sport, 2001-2002 Oldsmobile Aurora, 2000-2005 Chevrolet Impala, 2000-2005 Chevrolet Monte Carlo, 2000-2003 Chevrolet Malibu, 2000-2002 Oldsmobile Intrigue, 2000-2001 Chevrolet Lumina, 1999-2005 Pontiac Grand Am
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick
Item LocatedUnited States
Quantity1
Part interchange
245-1162, 641505, 64-1505, AF10045, AF10055, 25008207, 25008309, 25008316, 
...View more
item #1001P4S5
Show less
Walker Products 245-1655 Mass Air Flow Sensor
Walker ProductsPart # 245-1655
Walker Products 245-1655 Mass Air Flow Sensor
53 Reviews
$85.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2022-2022 Cadillac CT4, 2022-2022 Cadillac CT4, 2022-2022 Chevrolet Blazer, 2021-2022 Buick Envision, 2021-2022 Cadillac XT6, 2021-2022 Chevrolet Trailblazer, 2020-2022 Buick Encore GX, 2020-2022 Cadillac CT5, 2020-2022 Cadillac XT5, 2020-2022 GMC Acadia, 2020-2021 Cadillac CT4, 2020-2021 Chevrolet Blazer, 2019-2022 Cadillac XT4, 2019-2019 Cadillac CT6
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick
Item LocatedUnited States
Quantity1
ColorBlack
Part interchange
245-1655, 55505735
item #1001PAHS
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