24/7 Customer service
USD
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 Exhaust Muffler Assembly

152 items

exhaust-muffler-assembly

  • All filters
  • Sort By
  • Year
  • Model
  • Price
  • Placement on Vehicle
  • Brand
  • Material
  • Color
  • Warranty
Exhaust Muffler - Walker 18112Exhaust Muffler - Walker 18112
WalkerPart # 18112
Exhaust Muffler - Walker 18112
3.52 Reviews
$67.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2004-2004 Chevrolet S10, 2004-2004 GMC Sonoma, 2000-2003 GMC Sonoma, 1999-1999 GMC Sonoma, 1998-2003 Chevrolet S10, 1998-1999 Isuzu Hombre, 1998-1998 GMC Sonoma, 1997-1997 Isuzu Hombre, 1996-1997 Chevrolet S10, 1996-1997 GMC Sonoma, 1995-1999 Chevrolet Blazer, 1995-1999 GMC Jimmy, 1995-1995 GMC Sonoma, 1990-1990 Dodge Dakota, 1989-1990 Cadillac DeVille, 1989-1990 Cadillac Fleetwood, 1987-1991 Jeep Grand Wagoneer, 1987-1988 Dodge Ramcharger, 1987-1987 Chevrolet R10, 1987-1987 Chevrolet R20
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick
Item LocatedUnited States
Quantity1
Part interchange
18112, 5549, 5550, 5561
item #1001A102
Show less
Exhaust Muffler Assembly - Walker 70001
WalkerPart # 70001
Exhaust Muffler Assembly - Walker 70001
3.52 Reviews
$154.99
Low stock: Only 3 left
Edit ZIP code
3-year warranty
90 days free return
Fits 2013-2018 Buick Encore
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick
Item LocatedUnited States
Quantity1
Part interchange
70001, 95264845
item #1001ACC2
Show less
Exhaust Muffler - Walker 17793
WalkerPart # 17793
Exhaust Muffler - Walker 17793
3.52 Reviews
$127.99
Low stock: Only 1 left
Edit ZIP code
3-year warranty
90 days free return
Fits All Year All Make All Model
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick
Item LocatedUnited States
Quantity1
Part interchange
17793
item #1001AG4R
Show less
Exhaust Muffler - Walker 18107
WalkerPart # 18107
Exhaust Muffler - Walker 18107
3.52 Reviews
$73.99
Low stock: Only 4 left
Edit ZIP code
3-year warranty
90 days free return
Fits 1996-1999 Oldsmobile Bravada, 1995-1999 Chevrolet Blazer, 1995-1999 GMC Jimmy, 1994-1994 Chevrolet S10, 1994-1994 GMC Sonoma, 1992-1994 Chevrolet S10 Blazer, 1992-1994 GMC Jimmy, 1992-1993 Chevrolet S10, 1992-1993 GMC Sonoma, 1992-1992 Oldsmobile Cutlass Ciera, 1991-1995 Chrysler Town & Country, 1991-1995 Dodge Caravan, 1991-1995 Dodge Caravan, 1991-1995 Dodge Grand Caravan, 1991-1995 Plymouth Grand Voyager, 1991-1995 Plymouth Voyager, 1991-1995 Plymouth Voyager, 1991-1994 Oldsmobile Bravada, 1991-1992 Buick Century, 1991-1992 Buick Century
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick
Item LocatedUnited States
Quantity1
Part interchange
18107, 5556
item #1001A1CS
Show less
Exhaust Muffler - Walker 18275
WalkerPart # 18275
Exhaust Muffler - Walker 18275
3.52 Reviews
$70.99
Low stock: Only 1 left
Edit ZIP code
3-year warranty
90 days free return
Fits 1985-1987 Oldsmobile Cutlass Salon, 1984-1984 Oldsmobile Cutlass Supreme, 1983-1987 Buick Regal, 1983-1986 Buick Regal, 1983-1983 Buick Regal, 1982-1987 Chevrolet Monte Carlo, 1982-1984 Buick Regal, 1982-1984 Buick Regal, 1982-1984 Oldsmobile Cutlass Calais, 1982-1983 Chevrolet Malibu, 1982-1983 Chevrolet Monte Carlo, 1982-1983 Oldsmobile Cutlass Supreme, 1982-1983 Pontiac Bonneville, 1982-1982 Buick Regal, 1982-1982 Oldsmobile Cutlass Calais, 1982-1982 Oldsmobile Cutlass Cruiser, 1982-1982 Oldsmobile Cutlass Supreme, 1982-1982 Pontiac Bonneville, 1982-1982 Pontiac Grand Prix, 1981-1982 Buick Regal
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick
Item LocatedUnited States
Quantity1
Part interchange
18275, 6540
item #1001A26L
Show less
Exhaust Muffler - Walker 21341
WalkerPart # 21341
Exhaust Muffler - Walker 21341
3.52 Reviews
$146.99
Low stock: Only 3 left
Edit ZIP code
3-year warranty
90 days free return
Fits 1997-2004 Buick Regal
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick
Item LocatedUnited States
Quantity1
Part interchange
21341, 2262
item #1001A6VX
Show less
Exhaust Muffler - Walker 21525
WalkerPart # 21525
Exhaust Muffler - Walker 21525
3.52 Reviews
$121.99
Low stock: Only 3 left
Edit ZIP code
3-year warranty
90 days free return
Fits 2005-2009 Buick Allure, 2005-2009 Buick LaCrosse
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick
Item LocatedUnited States
Quantity1
Part interchange
21525, 15836129, 15209747
item #1001A5XU
Show less
Exhaust Muffler - Left Driver Side - Walker 21834
WalkerPart # 21834
Exhaust Muffler - Left Driver Side - Walker 21834
3.52 Reviews
$372.99
Low stock: Only 1 left
Edit ZIP code
3-year warranty
90 days free return
Fits 2016-2016 Chevrolet Malibu Limited, 2016-2016 Chevrolet Malibu Limited, 2015-2015 Chevrolet Malibu, 2015-2015 Chevrolet Malibu, 2015-2015 Chevrolet Malibu, 2014-2014 Chevrolet Malibu, 2013-2014 Chevrolet Malibu, 2013-2013 Chevrolet Malibu, 2013-2013 Chevrolet Malibu, 2013-2013 Chevrolet Malibu, 2011-2017 Buick Regal
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick
Item LocatedUnited States
Quantity1
Installation PositionLeft
Part interchange
21834, 23415333, 23412089, 23333715, 23369188, 22931698, 23149149, 20995713, 
...View more
item #1001A6DP
Show less
Exhaust Muffler - Walker 21411
WalkerPart # 21411
Exhaust Muffler - Walker 21411
3.52 Reviews
$158.99
Low stock: Only 2 left
Edit ZIP code
3-year warranty
90 days free return
Fits 2002-2007 Buick Rendezvous
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick
Item LocatedUnited States
Quantity1
Part interchange
21411, 15252916, 15824779
item #1001AA7U
Show less
Exhaust Muffler - Walker 18895
WalkerPart # 18895
Exhaust Muffler - Walker 18895
3.52 Reviews
$138.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1997-2005 Buick Century, 1997-2003 Pontiac Grand Prix, 1997-2000 Pontiac Grand Prix, 1997-2000 Pontiac Grand Prix
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick
Item LocatedUnited States
Quantity1
Part interchange
18895, 700333
item #1001A1KR
Show less
Exhaust Muffler - Front Side - Walker 18915
WalkerPart # 18915
Exhaust Muffler - Front Side - Walker 18915
3.52 Reviews
$102.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2005-2005 GMC Envoy, 2004-2005 Buick Rainier, 2004-2005 Isuzu Ascender, 2003-2005 Chevrolet Trailblazer, 2003-2005 Chevrolet Trailblazer, 2003-2004 Chevrolet Trailblazer, 2003-2003 Chevrolet Trailblazer, 2002-2004 GMC Envoy, 2002-2004 Oldsmobile Bravada, 2002-2002 Chevrolet Trailblazer
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick
Item LocatedUnited States
Quantity1
Installation PositionFront
Part interchange
18915, 700429, 166-645
item #1001AA71
Show less
Exhaust Muffler - Walker 21470
WalkerPart # 21470
Exhaust Muffler - Walker 21470
3.52 Reviews
$116.99
Low stock: Only 2 left
Edit ZIP code
3-year warranty
90 days free return
Fits All Year All Make All Model
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick
Item LocatedUnited States
Quantity1
Part interchange
21470, M-188, M070028, 3720
item #1001A97P
Show less
Exhaust Muffler - Walker 21346
WalkerPart # 21346
Exhaust Muffler - Walker 21346
3.52 Reviews
$146.99
Low stock: Only 3 left
Edit ZIP code
3-year warranty
90 days free return
Fits 1997-2005 Buick Century, 1997-2003 Pontiac Grand Prix, 1997-2000 Pontiac Grand Prix, 1997-2000 Pontiac Grand Prix
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick
Item LocatedUnited States
Quantity1
Part interchange
21346, 2246
item #1001A7WZ
Show less
Exhaust Muffler - Walker 18201
WalkerPart # 18201
Exhaust Muffler - Walker 18201
3.52 Reviews
$88.99
Low stock: Only 3 left
Edit ZIP code
3-year warranty
90 days free return
Fits 1992-1992 Oldsmobile Cutlass Ciera, 1991-1992 Buick Century, 1991-1992 Buick Century, 1991-1992 Oldsmobile Cutlass Ciera, 1991-1992 Oldsmobile Cutlass Ciera, 1991-1992 Oldsmobile Cutlass Ciera, 1991-1992 Oldsmobile Cutlass Ciera, 1991-1991 Oldsmobile Cutlass Ciera, 1991-1991 Oldsmobile Cutlass Ciera, 1991-1991 Oldsmobile Cutlass Ciera, 1991-1991 Oldsmobile Cutlass Ciera, 1991-1991 Oldsmobile Cutlass Ciera, 1990-1992 Buick Century, 1990-1992 Buick Century, 1990-1990 Oldsmobile Cutlass Ciera, 1989-1992 Buick Century, 1989-1992 Buick Century, 1989-1990 Oldsmobile Cutlass Ciera, 1989-1989 Buick Century, 1989-1989 Chevrolet Celebrity
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick
Item LocatedUnited States
Quantity1
Part interchange
18201, 6591
item #1001A53P
Show less
Exhaust Muffler - Walker 18234
WalkerPart # 18234
Exhaust Muffler - Walker 18234
3.52 Reviews
$64.99
Low stock: Only 2 left
Edit ZIP code
3-year warranty
90 days free return
Fits 1991-1992 Oldsmobile Cutlass Ciera, 1991-1991 Oldsmobile Cutlass Ciera, 1990-1992 Buick Century, 1990-1990 Chevrolet Celebrity, 1989-1989 Chevrolet Celebrity, 1988-1992 Buick Century, 1988-1992 Oldsmobile Cutlass Cruiser, 1988-1989 Buick Century, 1988-1989 Chevrolet Celebrity, 1988-1989 Chevrolet Celebrity, 1988-1989 Pontiac 6000, 1988-1989 Pontiac 6000, 1985-1988 Chevrolet Caprice, 1985-1988 Chevrolet Caprice, 1985-1986 Pontiac Parisienne, 1985-1986 Pontiac Parisienne, 1985-1985 Buick Electra, 1985-1985 Cadillac Commercial Chassis, 1985-1985 Cadillac DeVille, 1985-1985 Cadillac Fleetwood
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick
Item LocatedUnited States
Quantity1
Part interchange
18234, 700172
item #1001A20G
Show less
Exhaust Muffler - Walker 22393
WalkerPart # 22393
Exhaust Muffler - Walker 22393
3.52 Reviews
$123.99
Low stock: Only 3 left
Edit ZIP code
3-year warranty
90 days free return
Fits 1993-1993 Chevrolet Caprice, 1992-1992 Cadillac Commercial Chassis, 1992-1992 Chevrolet Caprice, 1992-1992 Chevrolet Caprice, 1991-1993 Buick Roadmaster, 1991-1992 Cadillac Brougham, 1991-1992 Oldsmobile Custom Cruiser, 1990-1990 Cadillac Brougham, 1989-1992 Chevrolet Caprice, 1985-1993 Chevrolet Caprice, 1985-1986 Pontiac Parisienne, 1985-1985 Chevrolet Impala
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick
Item LocatedUnited States
Quantity1
Part interchange
22393, 3218
item #1001A8N0
Show less
Exhaust Muffler - Walker 21471
WalkerPart # 21471
Exhaust Muffler - Walker 21471
3.52 Reviews
$146.99
Low stock: Only 2 left
Edit ZIP code
3-year warranty
90 days free return
Fits All Year All Make All Model
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick
Item LocatedUnited States
Quantity1
Part interchange
21471, 3887
item #1001A5UX
Show less
Exhaust Muffler - Walker 21835
WalkerPart # 21835
Exhaust Muffler - Walker 21835
3.52 Reviews
$102.99
Low stock: Only 3 left
Edit ZIP code
3-year warranty
90 days free return
Fits All Year All Make All Model
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick
Item LocatedUnited States
Quantity1
Part interchange
21835, M090072, 3682, M-145
item #1001A9PK
Show less
Exhaust Muffler - Front Side - Walker 21409
WalkerPart # 21409
Exhaust Muffler - Front Side - Walker 21409
3.52 Reviews
$137.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2005-2005 GMC Envoy, 2004-2005 Buick Rainier, 2004-2005 Isuzu Ascender, 2003-2005 Chevrolet Trailblazer, 2003-2005 Chevrolet Trailblazer, 2003-2004 Chevrolet Trailblazer, 2003-2003 Chevrolet Trailblazer, 2002-2004 GMC Envoy, 2002-2004 Oldsmobile Bravada, 2002-2002 Chevrolet Trailblazer
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick
Item LocatedUnited States
Quantity1
Installation PositionFront
Part interchange
21409, 8124799840
item #1001A69K
Show less
Exhaust Muffler - Walker 22770
WalkerPart # 22770
Exhaust Muffler - Walker 22770
3.52 Reviews
$194.99
Low stock: Only 3 left
Edit ZIP code
3-year warranty
90 days free return
Fits All Year All Make All Model
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick
Item LocatedUnited States
Quantity1
Part interchange
22770, M065140, 3925, M065044
item #1001A8HG
Show less
1...45678
Page 6 of 8

Popular Models under Buick

Related Categories

Catalytic Converter
Catalytic Converter
Exhaust Pipe Assembly
Exhaust Pipe Assembly
Tie Rod End
Tie Rod End
Oxygen Sensor
Oxygen Sensor
Exhaust Resonator and Pipe Assembly
Exhaust Resonator and Pipe Assembly
Engine Air Filter
Engine Air Filter

Related Blogs

How Rusty Is Too Rusty for a Muffler?

Surface rust doesn't always mean replacement. Learn to distinguish cosmetic oxidation from structural failure, identify safety risks like leaks or loose mounts, and decide when to repair or replace your muffler.

Sep 11, 2026

How to Find an Exhaust Leak and Fix It Safely

Identify exhaust leaks by symptoms like ticking, hissing, or soot. Learn safe inspection methods, understand Check Engine Light codes, and apply correct fixes—replacing gaskets or parts rather than relying on temporary tapes.

Aug 27, 2026

Muffler Guide: Function, Failure Signs and Replacement Guide

Mufflers are more than just noise reducers; they enhance your car's efficiency. Discover how they work, learn the key indicators for replacement, and navigate the costs involved in keeping your vehicle running smoothly.

Jul 28, 2026

How much does it cost to replace a muffler?

Learn how much muffler replacement costs, what parts and labor include, and when a patch or weld may be enough. Compare repair options, evaluate shop quotes, and find practical ways to save without risking poor fitment or repeat repairs.

Jul 28, 2026