How to replace the Three-way Catalytic Converter (TWC) System on Toyota Sequoia?

The first step to TWC System replacement involves removing both heated oxygen sensors from the front exhaust pipes. First unscrew the six nuts at the front of RH and LH front exhaust pipes before unthreading the four bolts at the rear side. After removing all the pipes along with their four gaskets. The installation process involves putting 4 new gaskets onto the left & right front exhaust pipes, fastening the 4 bolts to 48 N.m torque specification and then securing 6 new front-side nuts with 62 N.m torque value. Reinstall the 2 heated oxygen sensors on the RH and LH front exhaust pipes by following a torque specification of 44 N.m (450 kgf.cm, 32 ft.lbf).

OEM Toyota Sequoia Catalytic Converter

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12 Catalytic Converters found

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Toyota Sequoia Front Pipe
Part Number: 17410-0S070
$1589.67 MSRP: $2133.80
You Save: $544.13 (26%)
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Product Specifications
- Other Name: Pipe Assembly, Exhaust; Catalytic Converter, Right; Exhaust Pipe; Pipe Assembly, Exhaust, Front
- Position: Front
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2008-2017 Toyota Sequoia | Limited, Platinum, SR5 | 8 Cyl 5.7 L FLEX, 8 Cyl 5.7 L GAS
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Toyota Sequoia Front Pipe
Part Number: 17410-0S011
$1746.75 MSRP: $2344.65
You Save: $597.90 (26%)
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Product Specifications
- Other Name: Pipe Assembly, Exhaust; Catalytic Converter, Right; Exhaust Pipe; Pipe Assembly, Exhaust, Front
- Position: Front
- Replaces: 17410-0S010
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2008-2011 Toyota Sequoia | Limited, Platinum, SR5 | 8 Cyl 5.7 L FLEX, 8 Cyl 5.7 L GAS
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Toyota Sequoia Converter & Pipe, Front Driver Side
Part Number: 17450-0F110
$1597.61 MSRP: $2144.47
You Save: $546.86 (26%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Pipe Assembly, Exhaust Front; Catalytic Converter; Exhaust Pipe
- Position: Front Driver Side
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2005-2006 Toyota Sequoia | Limited, SR5 | 8 Cyl 4.7 L GAS
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Toyota Sequoia Converter & Pipe, Passenger Side
Part Number: 17410-0F080
$1551.06 MSRP: $2081.97
You Save: $530.91 (26%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Pipe Assembly, Exhaust; Catalytic Converter; Exhaust Pipe
- Position: Passenger Side
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2005-2006 Toyota Sequoia | Limited, SR5 | 8 Cyl 4.7 L GAS
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Toyota Sequoia Front Pipe
Part Number: 17410-0S020
$1659.02 MSRP: $2226.88
You Save: $567.86 (26%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Pipe Assembly, Exhaust; Catalytic Converter, Right; Exhaust Pipe; Pipe Assembly, Exhaust, Front
- Position: Front
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2010-2012 Toyota Sequoia | Limited, SR5 | 8 Cyl 4.6 L GAS
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Toyota Sequoia Front Pipe
Part Number: 17410-0F090
$1934.48 MSRP: $2596.64
You Save: $662.16 (26%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Pipe Assembly, Exhaust; Catalytic Converter, Right; Exhaust Pipe; Pipe Assembly, Exhaust, Front
- Position: Front
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2008-2009 Toyota Sequoia | Limited, SR5 | 8 Cyl 4.7 L GAS
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Toyota Sequoia Front Pipe
Part Number: 17410-0F040
$1832.45 MSRP: $2459.68
You Save: $627.23 (26%)
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Product Specifications
- Other Name: Pipe Assembly, Exhaust; Catalytic Converter, Right; Exhaust Pipe; Converter & Pipe; Pipe Assembly, Exhaust, Front; Catalytic Converter
- Position: Front
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2005-2007 Toyota Sequoia | Limited, SR5 | 8 Cyl 4.7 L GAS
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Toyota Sequoia Catalytic Converter, Driver Side
Part Number: 17500-F4020
$1172.10 MSRP: $1717.73
You Save: $545.63 (32%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Converter Assembly, With Catalyst; Catalytic Converter, Front Left; Converter Assembly, W/Catalyst, Driver Side
- Position: Driver Side
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2023-2024 Toyota Sequoia | Capstone, Limited, Platinum, SR5, TRD Pro | 6 Cyl 3.4 L FULL HYBRID EV-GAS (FHEV)
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Toyota Sequoia Catalytic Converter, Passenger Side
Part Number: 17400-F4020
$1183.68 MSRP: $1734.70
You Save: $551.02 (32%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Converter Assembly, With Catalyst; Catalytic Converter, Front Right; Converter Assembly, W/Catalyst, Passenger Side
- Position: Passenger Side
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2023-2024 Toyota Sequoia | Capstone, Limited, Platinum, SR5, TRD Pro | 6 Cyl 3.4 L FULL HYBRID EV-GAS (FHEV)
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Toyota Sequoia Exhaust Manifold, Passenger Side
Part Number: 17104-38011
$416.99 MSRP: $611.10
You Save: $194.11 (32%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Manifold Sub-Assembly, Exhaust; Exhaust Manifold, Right; Manifold Sub-Assembly, Exhaust, Passenger Side
- Position: Passenger Side
- Replaces: 17104-38010
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2008-2022 Toyota Sequoia | Limited, Nightshade, Platinum, SR5, TRD Pro, TRD Sport | 8 Cyl 5.7 L FLEX, 8 Cyl 5.7 L GAS
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Toyota Sequoia Front Pipe
Part Number: 17410-0F020
Product Specifications
- Other Name: Pipe Assembly, Exhaust; Catalytic Converter, Right; Exhaust Pipe; Converter & Pipe; Pipe Assembly, Exhaust, Front; Catalytic Converter
- Position: Front
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2001-2004 Toyota Sequoia | Limited, SR5 | 8 Cyl 4.7 L GAS
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Toyota Sequoia Front Pipe
Part Number: 17410-0S100
$1959.00 MSRP: $2629.55
You Save: $670.55 (26%)
Product Specifications
- Other Name: Pipe Assembly, Exhaust; Catalytic Converter, Right; Exhaust Pipe; Pipe Assembly, Exhaust, Front
- Position: Front
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2018-2022 Toyota Sequoia | Limited, Nightshade, Platinum, SR5, TRD Pro, TRD Sport | 8 Cyl 5.7 L FLEX, 8 Cyl 5.7 L GAS

Toyota Sequoia Catalytic Converter

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The Catalytic Converter in Toyota Sequoia Cars is a component of the emission system that is very vital as it changes some dangerous gases the car produces such as CO, HC, NOx and turns them into harmless material such as H2O, CO2, and Nitrogen. They are usually constructed from a honeycomb core overlaid with catalytic materials such as platinum, palladium and rhodium; this sorts out the exhaust back pressure and restriction to increase on power output. Some of the various causes include mechanical problems with the engine or a crash that makes the converter get damaged and the symptoms that can be noted include poor performance of the car, some noises like rattling, and flooded Check Engine lights among others. There are direct fit and universal types of converters available in Toyota Sequoia, with the direct fit converters coming without pipe cutting or bending in order to be fitted. In summary, the Catalytic Converter used in Toyota Sequoia vehicles is an important component that helps in decreasing negatively impacting emissions and in maintaining the engine efficiency.

Toyota Sequoia Catalytic Converter Parts and Q&A

Front Pipe
17410-0F040
Q: How to replace the Three-way Catalytic Converter (TWC) System on Toyota Sequoia?
A:
The first step to TWC System replacement involves removing both heated Oxygen Sensors from the front Exhaust Pipes. First unscrew the six nuts at the front of RH and LH front exhaust pipes before unthreading the four bolts at the rear side. After removing all the pipes along with their four gaskets. The installation process involves putting 4 new gaskets onto the left & right front exhaust pipes, fastening the 4 bolts to 48 N.m torque specification and then securing 6 new front-side nuts with 62 N.m torque value. Reinstall the 2 heated oxygen sensors on the RH and LH front exhaust pipes by following a torque specification of 44 N.m (450 kgf.cm, 32 ft.lbf).

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