Easter Car Deals: Upgrade Your Ride with 15% Off
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 2003-Toyota-Tundra
ADD VEHICLE DETAILS

2003 Toyota Tundra Catalytic Converter

67items
  • All filters
  • Sort By
  • Price
  • Warranty
  • Placement on Vehicle
  • Color
  • Brand
Eastern Catalytic 40599 Catalytic Converter with Integrated Exhaust ManifoldEastern Catalytic 40599 Catalytic Converter with Integrated Exhaust Manifold
Eastern Catalytic
Eastern Catalytic 40599 Catalytic Converter with Integrated Exhaust Manifold
$661.99
Quantity Less than 5
Edit ZIP code
3-year warranty
90 days free return
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2003 Toyota Tundra
Item LocatedUnited States
Quantity1
Part interchange
40599
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: 2003 Toyota Tundra
Item LocatedUnited States
Quantity1
Part interchange
5551355
Show less
MagnaFlow 447175 Catalytic Converter
MagnaFlow
MagnaFlow 447175 Catalytic Converter
$454.99
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: 2003 Toyota Tundra
Item LocatedUnited States
Quantity1
Part interchange
447175
Show less
MagnaFlow 447185 Catalytic Converter, Front Side
MagnaFlow
MagnaFlow 447185 Catalytic Converter, Front Side
$823.99
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: 2003 Toyota Tundra
Item LocatedUnited States
Quantity1
Installation PositionFront
Part interchange
447185, 17410-07040, 17410-07041
Show less
MagnaFlow 447206 Catalytic Converter
MagnaFlow
MagnaFlow 447206 Catalytic Converter
$379.99
Quantity Less than 5
Edit ZIP code
3-year warranty
90 days free return
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2003 Toyota Tundra
Item LocatedUnited States
Quantity1
Part interchange
447206
Show less
MagnaFlow 4551406 Catalytic Converter, Right Passenger Side
MagnaFlow
MagnaFlow 4551406 Catalytic Converter, Right Passenger Side
$965.99
Edit ZIP code
3-year warranty
90 days free return
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2003 Toyota Tundra
Item LocatedUnited States
Quantity1
Installation PositionRight
Part interchange
4551406, 17410-0F030
Show less
Catalytic Converter - Walker 93252
Walker
Walker 93252 Catalytic Converter, Exhaust
$185.99
Edit ZIP code
3-year warranty
90 days free return
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2003 Toyota Tundra
Item LocatedUnited States
Quantity1
Installation PositionExhaust
Part interchange
93252, 92465, 70217, 99205HM, 92365, 2575r, 79224, 608745, 
...View more
Show less
Catalytic Converter - Walker 93267
Walker
Walker 93267 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: 2003 Toyota Tundra
Item LocatedUnited States
Quantity1
Installation PositionExhaust
Part interchange
93267, 99355HM, 92625, 51355, 608314
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: 2003 Toyota Tundra
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 2
Edit ZIP code
3-year warranty
90 days free return
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2003 Toyota Tundra
Item LocatedUnited States
Quantity1
Installation PositionExhaust
Part interchange
93271, 608435, 608286, 51655, 99655HM, 78124, 79124, 81255
Show less
Catalytic Converter - Walker 93238
Walker
Walker 93238 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: 2003 Toyota Tundra
Item LocatedUnited States
Quantity1
Installation PositionExhaust
Part interchange
93238, 93166, 6606, 89516, 70955, 2576, 608240, 99106HM, 
...View more
Show less
Catalytic Converter - Walker 83402
Walker
Walker 83402 Catalytic Converter, Exhaust
$319.99
Edit ZIP code
3-year warranty
90 days free return
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2003 Toyota Tundra
Item LocatedUnited States
Quantity1
Installation PositionExhaust
Part interchange
83402, 910004, 443105
Show less
Catalytic Converter - Walker 83406
Walker
Walker 83406 Catalytic Converter, Exhaust
$419.99
Edit ZIP code
3-year warranty
90 days free return
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2003 Toyota Tundra
Item LocatedUnited States
Quantity1
Installation PositionExhaust
Part interchange
83406
Show less
Catalytic Converter - Left Driver Side - Walker 83451
Walker
Walker 83451 Catalytic Converter, Left Driver Side
$840.99
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: 2003 Toyota Tundra
Item LocatedUnited States
Quantity1
Installation PositionLeft
Part interchange
83451
Show less
Catalytic Converter - Right Passenger Side - Walker 83460
Walker
Walker 83460 Catalytic Converter, Right Passenger Side
$741.99
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: 2003 Toyota Tundra
Item LocatedUnited States
Quantity1
Installation PositionRight
Part interchange
83460
Show less
Catalytic Converter - Walker 83506
Walker
Walker 83506 Catalytic Converter, Exhaust
$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: 2003 Toyota Tundra
Item LocatedUnited States
Quantity1
Installation PositionExhaust
Part interchange
83506
Show less
Catalytic Converter - Walker 93247
Walker
Walker 93247 Catalytic Converter, Exhaust
$189.99
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: 2003 Toyota Tundra
Item LocatedUnited States
Quantity1
Installation PositionExhaust
Part interchange
93247, 93425, 602295, 99175HM, 83425, 70343
Show less
Catalytic Converter - Walker 83401
Walker
Walker 83401 Catalytic Converter, Exhaust
$324.99
Edit ZIP code
3-year warranty
90 days free return
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2003 Toyota Tundra
Item LocatedUnited States
Quantity1
Installation PositionExhaust
Part interchange
83401
Show less
Catalytic Converter - Walker 81711
Walker
Walker 81711 Catalytic Converter, Exhaust
$1,298.99
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: 2003 Toyota Tundra
Item LocatedUnited States
Quantity1
Installation PositionExhaust
Part interchange
81711
Show less
Catalytic Converter - Walker 81722
Walker
Walker 81722 Catalytic Converter, Exhaust
$1,001.99
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: 2003 Toyota Tundra
Item LocatedUnited States
Quantity1
Installation PositionExhaust
Part interchange
81722
Show less
Page 3 of 4

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!