24/7 Customer service
USD
Add your vehicle
Address
Login
Cart
Item
$0.00
A-Premium Easter Car Deals 15% OFFA-Premium Easter Car Deals 15% OFF
Shopping for 2005-Mercury-Mountaineer
ADD VEHICLE DETAILS

2005 Mercury Mountaineer Catalytic Converter

51items
  • All filters
  • Sort By
  • Price
  • Warranty
  • Placement on Vehicle
  • Color
  • Brand
Eastern Catalytic 83164 Catalytic ConverterEastern Catalytic 83164 Catalytic Converter
Eastern Catalytic
Eastern Catalytic 83164 Catalytic Converter
$172.99
Edit ZIP code
3-year warranty
90 days free return
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2005 Mercury Mountaineer
Item LocatedUnited States
Quantity1
Part interchange
83164
Show less
Eastern Catalytic 92776 Catalytic Converter
Eastern Catalytic
Eastern Catalytic 92776 Catalytic Converter
$231.99
Edit ZIP code
3-year warranty
90 days free return
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2005 Mercury Mountaineer
Item LocatedUnited States
Quantity1
Part interchange
92776
Show less
Eastern Catalytic 71317 Catalytic Converter
Eastern Catalytic
Eastern Catalytic 71317 Catalytic Converter
$142.99
Quantity Less than 3
Edit ZIP code
3-year warranty
90 days free return
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2005 Mercury Mountaineer
Item LocatedUnited States
Quantity1
Part interchange
71317
Show less
Eastern Catalytic 30447 Catalytic Converter, Front Side
Eastern Catalytic
Eastern Catalytic 30447 Catalytic Converter, Front Side
$744.99
Edit ZIP code
3-year warranty
90 days free return
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2005 Mercury Mountaineer
Item LocatedUnited States
Quantity1
Installation PositionFront
Part interchange
30447
Show less
Eastern Catalytic 30454 Catalytic Converter
Eastern Catalytic
Eastern Catalytic 30454 Catalytic Converter
$999.99
Only 1 item left in stock
Edit ZIP code
3-year warranty
90 days free return
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2005 Mercury Mountaineer
Item LocatedUnited States
Quantity1
Part interchange
30454
Show less
MagnaFlow 5551356 Catalytic Converter
MagnaFlow
MagnaFlow 5551356 Catalytic Converter
$1,083.99
Only 1 item left in stock
Edit ZIP code
3-year warranty
90 days free return
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2005 Mercury Mountaineer
Item LocatedUnited States
Quantity1
Part interchange
5551356
Show less
MagnaFlow 5551355 Catalytic Converter
MagnaFlow
MagnaFlow 5551355 Catalytic Converter
$1,056.99
Quantity Less than 2
Edit ZIP code
3-year warranty
90 days free return
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2005 Mercury Mountaineer
Item LocatedUnited States
Quantity1
Part interchange
5551355
Show less
MagnaFlow 5451356 Catalytic Converter
MagnaFlow
MagnaFlow 5451356 Catalytic Converter
$1,075.99
Only 1 item left in stock
Edit ZIP code
3-year warranty
90 days free return
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2005 Mercury Mountaineer
Item LocatedUnited States
Quantity1
Part interchange
5451356
Show less
MagnaFlow 458076 Catalytic Converter
MagnaFlow
MagnaFlow 458076 Catalytic Converter
$405.99
Quantity Less than 3
Edit ZIP code
3-year warranty
90 days free return
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2005 Mercury Mountaineer
Item LocatedUnited States
Quantity1
Part interchange
458076
Show less
MagnaFlow 459056 Catalytic Converter
MagnaFlow
MagnaFlow 459056 Catalytic Converter
$518.99
Only 1 item left in stock
Edit ZIP code
3-year warranty
90 days free return
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2005 Mercury Mountaineer
Item LocatedUnited States
Quantity1
Part interchange
459056
Show less
MagnaFlow 447206 Catalytic Converter
MagnaFlow
MagnaFlow 447206 Catalytic Converter
$379.99
Edit ZIP code
3-year warranty
90 days free return
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2005 Mercury Mountaineer
Item LocatedUnited States
Quantity1
Part interchange
447206
Show less
MagnaFlow 445005 Catalytic Converter
MagnaFlow
MagnaFlow 445005 Catalytic Converter
$505.99
Edit ZIP code
3-year warranty
90 days free return
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2005 Mercury Mountaineer
Item LocatedUnited States
Quantity1
Part interchange
445005
Show less
MagnaFlow 447106 Catalytic Converter
MagnaFlow
MagnaFlow 447106 Catalytic Converter
$491.99
Edit ZIP code
3-year warranty
90 days free return
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2005 Mercury Mountaineer
Item LocatedUnited States
Quantity1
Part interchange
447106
Show less
Catalytic Converter - Walker 15034
Walker
Walker 15034 Catalytic Converter, Exhaust
$167.99
Quantity Less than 2
Edit ZIP code
3-year warranty
90 days free return
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2005 Mercury Mountaineer
Item LocatedUnited States
Quantity1
Installation PositionExhaust
Part interchange
15034, SC207, 602507, 6007, 602007, 70430, SC217, 6507
Show less
Catalytic Converter - Walker 93253
Walker
Walker 93253 Catalytic Converter, Exhaust
$148.99
Edit ZIP code
3-year warranty
90 days free return
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2005 Mercury Mountaineer
Item LocatedUnited States
Quantity1
Installation PositionExhaust
Part interchange
93253, 99756HM, 92256, 097-0373, 51206, 608286, 2576r, 92466, 
...View more
Show less
Catalytic Converter - Walker 93236
Walker
Walker 93236 Catalytic Converter, Exhaust
$170.99
Edit ZIP code
3-year warranty
90 days free return
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2005 Mercury Mountaineer
Item LocatedUnited States
Quantity1
Installation PositionExhaust
Part interchange
93236, 89514, 70382, 70316, 91004M, 93804, 602206, 6904, 
...View more
Show less
Catalytic Converter - Walker 93271
Walker
Walker 93271 Catalytic Converter, Exhaust
$158.99
Quantity Less than 3
Edit ZIP code
3-year warranty
90 days free return
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2005 Mercury Mountaineer
Item LocatedUnited States
Quantity1
Installation PositionExhaust
Part interchange
93271, 608435, 608286, 51655, 99655HM, 78124, 79124, 81255
Show less
Catalytic Converter - Walker 93302
Walker
Walker 93302 Catalytic Converter, Exhaust
$219.99
Edit ZIP code
3-year warranty
90 days free return
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2005 Mercury Mountaineer
Item LocatedUnited States
Quantity1
Installation PositionExhaust
Part interchange
93302, 79917, 51505, 51555, 8005, 608224, 95285, 71317, 
...View more
Show less
Catalytic Converter - Walker 93270
Walker
Walker 93270 Catalytic Converter, Exhaust
$192.99
Quantity Less than 2
Edit ZIP code
3-year warranty
90 days free return
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2005 Mercury Mountaineer
Item LocatedUnited States
Quantity1
Installation PositionExhaust
Part interchange
93270, 51654, 99654HM, 608204, 82363
Show less
Catalytic Converter - Walker 93237
Walker
Walker 93237 Catalytic Converter, Exhaust
$168.99
Quantity Less than 4
Edit ZIP code
3-year warranty
90 days free return
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2005 Mercury Mountaineer
Item LocatedUnited States
Quantity1
Installation PositionExhaust
Part interchange
93237, 6605, 6803, 51105, 6905, 608405, 609004, 70954, 
...View more
Show less
Page 2 of 3

A catalytic converter, often referred to as a "cat," is an essential component of your engine's exhaust system. This device uses catalysts to transform harmful chemicals in the exhaust gases.

What are the signs of a bad catalytic converter?

  • Check engine light
    The dashboard warning light may illuminate, indicating potential issues.
  • Decreased engine performance
    Noticeable loss of power, acceleration, or overall engine performance.
  • Poor fuel economy
    A significant drop in fuel efficiency can occur as the converter fails.
  • Excessive exhaust emissions
    Increased emissions, including a strong sulfur or rotten egg smell.
  • Rattling noises
    Unusual rattling sounds from the exhaust system, indicating internal damage.
  • Overheating
    The engine may run hotter than normal due to restricted exhaust flow.
  • Failed emissions test
    Inability to pass emissions testing due to high pollution levels.

Shop for aftermarket catalytic converters on A-Premium.com

Premium.com offers a wide range of aftermarket catalytic converters for your vehicle. Refine your search by selecting from various dimensions, inlet types, and tube materials. A-Premium team is dedicated to helping you find a compatible catalytic converter for your car. Every item in our catalog is carefully selected by our team of experts, ensuring they undergo rigorous quality checks to endure the demanding conditions of your exhaust system. Shop now to find the best deal on your new catalytic converter!