Beat the Heat – Summer Essential Maintenance
24/7 Customer service
USD
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

Mercury Mountaineer Exhaust Muffler Assembly

82 items

exhaust-muffler-assembly

  • All filters
  • Sort By
  • Year
  • Price
  • Placement on Vehicle
  • Brand
  • Warranty
Exhaust Muffler Assembly - Front Side - Walker 53707Exhaust Muffler Assembly - Front Side - Walker 53707
WalkerPart # 53707
Exhaust Muffler Assembly - Front Side - Walker 53707
3.52 Reviews
$143.99
Low stock: Only 1 left
Edit ZIP code
3-year warranty
90 days free return
Fits 2006-2010 Ford Explorer, 2006-2010 Mercury Mountaineer
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mercury Mountaineer
Item LocatedUnited States
Quantity1
Installation PositionFront
Part interchange
53707, 7L2Z5230B, 6L2Z5230BJ
item #1001AE99
Show less
AP Emissions 2599 Exhaust Muffler Assembly
AP EmissionsPart # 2599
AP Emissions 2599 Exhaust Muffler Assembly
11 Reviews
$121.99
Low stock: Only 1 left
Edit ZIP code
3-year warranty
90 days free return
Fits 2006-2010 Ford Explorer, 2006-2010 Mercury Mountaineer
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mercury Mountaineer
Item LocatedUnited States
Quantity1
Part interchange
2599
item #10010E17
Show less
Exhaust Muffler - Walker 21422
WalkerPart # 21422
Exhaust Muffler - Walker 21422
3.52 Reviews
$147.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2002-2003 Ford Explorer, 2002-2003 Ford Explorer, 2002-2003 Ford Explorer, 2002-2003 Ford Explorer, 2002-2003 Ford Explorer, 2004-2005 Ford Explorer, 2002-2005 Mercury Mountaineer
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mercury Mountaineer
Item LocatedUnited States
Quantity1
Part interchange
21422, 1L2Z5230AA, 1L2Z5230BB, 1L2Z5230AB, 4L2Z5230AA
item #1001AC2N
Show less
Exhaust Muffler - Walker 21192
WalkerPart # 21192
Exhaust Muffler - Walker 21192
3.52 Reviews
$162.99
Low stock: Only 5 left
Edit ZIP code
3-year warranty
90 days free return
Fits 1995-1995 Ford Explorer, 1996-1999 Ford Explorer, 2000-2000 Ford Explorer, 2001-2001 Ford Explorer, 1999-2000 Mercury Mountaineer, 2001-2001 Mercury Mountaineer
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mercury Mountaineer
Item LocatedUnited States
Quantity1
Part interchange
21192, 2483, 2212, 41831
item #1001A7AT
Show less
Exhaust Muffler - Walker 21344
WalkerPart # 21344
Exhaust Muffler - Walker 21344
3.52 Reviews
$157.99
Low stock: Only 3 left
Edit ZIP code
3-year warranty
90 days free return
Fits 1997-1998 Ford Explorer, 1997-1998 Ford Explorer, 1997-1998 Ford Explorer, 1997-1998 Ford Explorer, 1997-1998 Ford Explorer, 1999-1999 Ford Explorer, 1999-2000 Ford Explorer, 1999-2000 Ford Explorer, 1999-2000 Ford Explorer, 1999-2000 Ford Explorer, 1999-2000 Ford Explorer, 2000-2000 Ford Explorer, 2000-2000 Ford Explorer, 1998-1998 Mercury Mountaineer, 1999-2000 Mercury Mountaineer
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mercury Mountaineer
Item LocatedUnited States
Quantity1
Part interchange
21344, 2226, 2213
item #1001A877
Show less
Exhaust Muffler - Walker 18564
WalkerPart # 18564
Exhaust Muffler - Walker 18564
3.52 Reviews
$125.99
Low stock: Only 3 left
Edit ZIP code
3-year warranty
90 days free return
Fits 1997-1998 Ford Explorer, 1997-1998 Ford Explorer, 1997-1998 Ford Explorer, 1997-1998 Ford Explorer, 1997-1998 Ford Explorer, 1999-1999 Ford Explorer, 1999-2000 Ford Explorer, 1999-2000 Ford Explorer, 1999-2000 Ford Explorer, 1999-2000 Ford Explorer, 1999-2000 Ford Explorer, 2000-2000 Ford Explorer, 2000-2000 Ford Explorer, 1998-1998 Mercury Mountaineer, 1999-2000 Mercury Mountaineer
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mercury Mountaineer
Item LocatedUnited States
Quantity1
Part interchange
18564, 700291
item #1001A1XG
Show less
Exhaust Muffler - Rear Side - Walker 21565
WalkerPart # 21565
Exhaust Muffler - Rear Side - Walker 21565
3.52 Reviews
$93.99
Low stock: Only 4 left
Edit ZIP code
3-year warranty
90 days free return
Fits 2006-2010 Ford Explorer, 2007-2010 Ford Explorer Sport Trac, 2006-2010 Mercury Mountaineer
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mercury Mountaineer
Item LocatedUnited States
Quantity1
Installation PositionRear
Part interchange
21565, 8A2Z5230B, 7L2Z5230B, 6L2Z5230BJ
item #1001A9VA
Show less
Exhaust Muffler - Walker 18573
WalkerPart # 18573
Exhaust Muffler - Walker 18573
3.52 Reviews
$92.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1995-1995 Ford Explorer, 1996-1999 Ford Explorer, 2000-2000 Ford Explorer, 2001-2001 Ford Explorer, 1999-2000 Mercury Mountaineer, 2001-2001 Mercury Mountaineer
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mercury Mountaineer
Item LocatedUnited States
Quantity1
Part interchange
18573, 700366, 700453, 41831, 700041, 700040
item #1001A149
Show less
Exhaust Muffler - Walker 18909
WalkerPart # 18909
Exhaust Muffler - Walker 18909
3.52 Reviews
$114.99
Low stock: Only 2 left
Edit ZIP code
3-year warranty
90 days free return
Fits 1998-1998 Ford Explorer, 1999-2001 Ford Explorer, 1998-1998 Mercury Mountaineer, 1999-2001 Mercury Mountaineer
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mercury Mountaineer
Item LocatedUnited States
Quantity1
Part interchange
18909, 700430
item #1001A0UL
Show less
AP Emissions 700335 Exhaust Muffler
AP EmissionsPart # 700335
AP Emissions 700335 Exhaust Muffler
11 Reviews
$83.99
Low stock: Only 3 left
Edit ZIP code
3-year warranty
90 days free return
Fits 2002-2005 Ford Explorer, 2002-2005 Ford Explorer, 2002-2005 Ford Explorer, 2002-2005 Ford Explorer, 2002-2005 Ford Explorer, 2004-2004 Ford Explorer, 2002-2005 Mercury Mountaineer
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mercury Mountaineer
Item LocatedUnited States
Quantity1
Part interchange
700335
item #10010N53
Show less
Exhaust Muffler - Walker 21563
WalkerPart # 21563
Exhaust Muffler - Walker 21563
3.52 Reviews
$98.99
Low stock: Only 5 left
Edit ZIP code
3-year warranty
90 days free return
Fits 2006-2010 Ford Explorer, 2007-2010 Ford Explorer Sport Trac, 2006-2010 Mercury Mountaineer
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mercury Mountaineer
Item LocatedUnited States
Quantity1
Part interchange
21563, 8A2Z5230A, 7L2Z5230A, 6L2Z5230AK
item #1001A9S5
Show less
AP Emissions 700366 Exhaust Muffler
AP EmissionsPart # 700366
AP Emissions 700366 Exhaust Muffler
11 Reviews
$84.99
Low stock: Only 5 left
Edit ZIP code
3-year warranty
90 days free return
Fits 2001-2005 Ford Explorer Sport Trac, 2006-2010 Ford Explorer, 2007-2010 Ford Explorer Sport Trac, 2006-2010 Mercury Mountaineer
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mercury Mountaineer
Item LocatedUnited States
Quantity1
Part interchange
700366
item #10010R2L
Show less
Exhaust Muffler - Walker 18929
WalkerPart # 18929
Exhaust Muffler - Walker 18929
3.52 Reviews
$104.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2002-2003 Ford Explorer, 2002-2003 Ford Explorer, 2002-2003 Ford Explorer, 2002-2003 Ford Explorer, 2002-2003 Ford Explorer, 2004-2005 Ford Explorer, 2002-2005 Mercury Mountaineer
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mercury Mountaineer
Item LocatedUnited States
Quantity1
Part interchange
18929, 700335
item #1001A6PQ
Show less
Exhaust Muffler - Walker 17160
WalkerPart # 17160
Exhaust Muffler - Walker 17160
3.52 Reviews
$58.99
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: Mercury Mountaineer
Item LocatedUnited States
Quantity1
Part interchange
17160, 201-9025, 709025
item #1001A1Z8
Show less
Exhaust Muffler - Walker 21188
WalkerPart # 21188
Exhaust Muffler - Walker 21188
3.52 Reviews
$86.99
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: Mercury Mountaineer
Item LocatedUnited States
Quantity1
Part interchange
21188, M045237, 3970
item #1001A6CS
Show less
Exhaust Muffler - Walker 17807
WalkerPart # 17807
Exhaust Muffler - Walker 17807
3.52 Reviews
$65.99
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: Mercury Mountaineer
Item LocatedUnited States
Quantity1
Part interchange
17807, 3785, 201-6539, 5551, 6511
item #1001A37X
Show less
Exhaust Muffler - Walker 22958
WalkerPart # 22958
Exhaust Muffler - Walker 22958
3.52 Reviews
$241.99
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: Mercury Mountaineer
Item LocatedUnited States
Quantity1
Part interchange
22958, M-724, 3927, M110479
item #1001A686
Show less
Exhaust Muffler - Walker 21468
WalkerPart # 21468
Exhaust Muffler - Walker 21468
3.52 Reviews
$92.99
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: Mercury Mountaineer
Item LocatedUnited States
Quantity1
Part interchange
21468, M-187, 3721
item #1001A881
Show less
Exhaust Muffler - Walker 22914
WalkerPart # 22914
Exhaust Muffler - Walker 22914
3.52 Reviews
$205.99
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: Mercury Mountaineer
Item LocatedUnited States
Quantity1
Part interchange
22914, 3872
item #1001A951
Show less
Exhaust Muffler - Walker 22389
WalkerPart # 22389
Exhaust Muffler - Walker 22389
3.52 Reviews
$125.99
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: Mercury Mountaineer
Item LocatedUnited States
Quantity1
Part interchange
22389, 3652
item #1001AALZ
Show less
12345
Page 1 of 5

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

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