What is the general description and maintenance procedure for a catalytic converter on Toyota Sienna?

Because of a Federally mandated extended warranty covering emissions-related components like the catalytic converter, it is advisable to consult a dealer service department before replacing the converter at your own expense. The catalytic converter is an emission control device added to the exhaust system to reduce pollutants from the exhaust gas stream, with two types available: the conventional oxidation catalyst, which reduces hydrocarbon and carbon monoxide levels, and the three-way catalyst, which lowers oxides of nitrogen, hydrocarbons, and carbon monoxide. Models from 2001 to 2006 feature three catalytic converters, including a warm-up three-way catalytic converter as part of the front exhaust manifold and another in the pipe from the rear manifold, with the main exhaust pipe containing the final converter. The test equipment for diagnosing a malfunctioning converter is expensive and sophisticated, so it is recommended to take the vehicle to a dealer or authorized emissions inspection facility for diagnosis and repair. When servicing underbody components, check the converter for leaks, corrosion, dents, and other damage, and inspect the welds and flange bolts attaching the converter to the exhaust system; if any damage is found, replacement is necessary. Although catalytic converters rarely break, they can become plugged, and a vacuum gauge can be used to check for a restricted converter by connecting it to an intake manifold vacuum source, warming the engine, and recording vacuum readings at idle and after quickly opening the throttle. If the reading after the fourth test is more than one in-Hg lower than the idle reading, the exhaust system may be restricted. For models from 2001 and later, warm-up converters cannot be replaced separately, so it is important to spray the nuts on the exhaust flange studs with penetrating oil before removal, disconnect the flange at the rear of the converter, and cut the front of the converter from the pipe for removal, with installation being the reverse of removal.

Genuine Toyota Sienna Catalytic Converter

Cat. Converter

Select Vehicle by Model
Select Vehicle by VIN

Select Vehicle by Model

Make

Model

Year

Select Vehicle by VIN

For the most accurate results, select vehicle by your VIN (Vehicle Identification Number).

45 Catalytic Converters found

View related parts
Toyota Sienna No.2 Exhaust Manifold Converter Sub-Assembly
Part Number: 25052-20190
$696.13 MSRP: $883.97
You Save: $187.84 (22%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Converter Sub-Assy, Exhaust Manifold, No.2; Exhaust Manifold, Manifold
- Manufacturer Note: *115=TOYOTA/03-/Y
- Warranty: This genuine Toyota part is covered by warranty.
Fits the following Vehicles:
- 2004-2007 Toyota Sienna | CE, LE, XLE | 6 Cyl 3.3L, 6 Cyl 3.5L | 2GRFE, 3MZFE; GSL20L-PFADKK, GSL20L-PFAEKA, GSL20L-PFAEKK, GSL20L-PFAQKA, GSL20L-PFAQKK, GSL20L-PRADKK, GSL20L-PRAEKA, GSL20L-PRAEKK, GSL20L-PRAQKA, GSL20L-PRAQKK, GSL23L-SBADKA, GSL23L-SBADKK, GSL25L-PFADKK, GSL25L-PFAEKA, GSL25L-PFAEKK, GSL25L-PFAQKA, GSL25L-PFAQKK, MCL20L-PFADKK, MCL20L-PFAEKA, MCL20L-PFAEKK, MCL20L-PFAQKA, MCL20L-PFAQKK, MCL20L-PRADKK, MCL20L-PRAEKA, MCL20L-PRAEKK, MCL20L-PRAQKA, MCL20L-PRAQKK, MCL23L-SBADKA, MCL23L-SBADKK, MCL25L-PFADKK, MCL25L-PFAEKA, MCL25L-PFAEKK, MCL25L-PFAQKA, MCL25L-PFAQKK
View related parts
Toyota Sienna Right Exhaust Manifold Sub-Assembly
Part Number: 17140-20030
$552.20 MSRP: $824.51
You Save: $272.31 (34%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Manifold Sub-Assy, Exhaust, Rh; Exhaust Manifold
- Position: Passenger Side
- Warranty: This genuine Toyota part is covered by warranty.
Fits the following Vehicles:
- 2004-2007 Toyota Sienna | CE, LE, XLE | 6 Cyl 3.3L, 6 Cyl 3.5L | 2GRFE, 3MZFE; GSL20L-PFADKK, GSL20L-PFAEKA, GSL20L-PFAEKK, GSL20L-PFAQKA, GSL20L-PFAQKK, GSL20L-PRADKK, GSL20L-PRAEKA, GSL20L-PRAEKK, GSL20L-PRAQKA, GSL20L-PRAQKK, GSL23L-SBADKA, GSL23L-SBADKK, GSL25L-PFADKK, GSL25L-PFAEKA, GSL25L-PFAEKK, GSL25L-PFAQKA, GSL25L-PFAQKK, MCL20L-PFADKK, MCL20L-PFAEKA, MCL20L-PFAEKK, MCL20L-PFAQKA, MCL20L-PFAQKK, MCL20L-PRADKK, MCL20L-PRAEKA, MCL20L-PRAEKK, MCL20L-PRAQKA, MCL20L-PRAQKK, MCL23L-SBADKA, MCL23L-SBADKK, MCL25L-PFADKK, MCL25L-PFAEKA, MCL25L-PFAEKK, MCL25L-PFAQKA, MCL25L-PFAQKK
View related parts
Toyota Sienna Exhaust Manifold Converter Sub-Assembly
Part Number: 25051-20040
$750.60 MSRP: $953.14
You Save: $202.54 (22%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Converter Sub-Assy, Exhaust Manifold; Exhaust Manifold, Manifold
- Manufacturer Note: *115=TOYOTA/03-/Y
- Warranty: This genuine Toyota part is covered by warranty.
Fits the following Vehicles:
- 2004-2007 Toyota Sienna | CE, LE, XLE | 6 Cyl 3.3L, 6 Cyl 3.5L | 2GRFE, 3MZFE; GSL20L-PFADKK, GSL20L-PFAEKA, GSL20L-PFAEKK, GSL20L-PFAQKA, GSL20L-PFAQKK, GSL20L-PRADKK, GSL20L-PRAEKA, GSL20L-PRAEKK, GSL20L-PRAQKA, GSL20L-PRAQKK, GSL23L-SBADKA, GSL23L-SBADKK, GSL25L-PFADKK, GSL25L-PFAEKA, GSL25L-PFAEKK, GSL25L-PFAQKA, GSL25L-PFAQKK, MCL20L-PFADKK, MCL20L-PFAEKA, MCL20L-PFAEKK, MCL20L-PFAQKA, MCL20L-PFAQKK, MCL20L-PRADKK, MCL20L-PRAEKA, MCL20L-PRAEKK, MCL20L-PRAQKA, MCL20L-PRAQKK, MCL23L-SBADKA, MCL23L-SBADKK, MCL25L-PFADKK, MCL25L-PFAEKA, MCL25L-PFAEKK, MCL25L-PFAQKA, MCL25L-PFAQKK
View related parts
Toyota Sienna Exhaust Manifold
Part Number: 17141-F0010
$640.32 MSRP: $956.08
You Save: $315.76 (34%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Manifold, Exhaust
- Warranty: This genuine Toyota part is covered by warranty.
Fits the following Vehicles:
- 2021-2023 Toyota Sienna | 4 Cyl 2.5L | A25AFXS; AXLH40L-PNXLHA, AXLH40L-PNXSHA, AXLH40L-PNXXHA, AXLH40L-PPXEHA, AXLH40L-PPXXHA, AXLH45L-PNXLHA, AXLH45L-PNXSHA, AXLH45L-PNXXHA, AXLH45L-PPXEHA
View related parts
Toyota Sienna Exhaust Manifold Sub-Assembly Right
Part Number: 17104-20010
$246.84 MSRP: $353.95
You Save: $107.11 (31%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Manifold Sub-Assy, Exhaust, Rh; Exhaust Manifold, Manifold
- Manufacturer Note: CALIFORNIA SPEC
- Position: Passenger Side
- Warranty: This genuine Toyota part is covered by warranty.
Fits the following Vehicles:
- 1998-2001 Toyota Sienna | CE, LE | 6 Cyl 3.0L | 1MZFE; MCL10L-GFSDKA, MCL10L-GFSDKK, MCL10L-GFSGKA, MCL10L-GFSGKK, MCL10L-PFSDKA, MCL10L-PFSDKK, MCL10L-PFSGKA, MCL10L-PFSGKK, MCL10L-SESDKA, MCL10L-SESDKK
View related parts
Toyota Sienna Right Exhaust Manifold Sub-Assembly
Part Number: 17140-0P090
$661.70 MSRP: $988.02
You Save: $326.32 (34%)
ADD TO CART
Product Specifications
- Other Name: Manifold Sub-Assy, Exhaust, Rh; Exhaust Manifold
- Position: Passenger Side
- Warranty: This genuine Toyota part is covered by warranty.
Fits the following Vehicles:
- 2006-2010 Toyota Sienna | CE, LE, XLE | 6 Cyl 3.3L, 6 Cyl 3.5L | 2GRFE, 3MZFE; GSL20L-PFADKK, GSL20L-PFAEKA, GSL20L-PFAEKK, GSL20L-PFAQKA, GSL20L-PFAQKK, GSL20L-PRADKK, GSL20L-PRAEKA, GSL20L-PRAEKK, GSL20L-PRAQKA, GSL20L-PRAQKK, GSL23L-SBADKA, GSL23L-SBADKK, GSL25L-PFADKK, GSL25L-PFAEKA, GSL25L-PFAEKK, GSL25L-PFAQKA, GSL25L-PFAQKK, MCL20L-PFADKK, MCL20L-PFAEKA, MCL20L-PFAEKK, MCL20L-PFAQKA, MCL20L-PFAQKK, MCL20L-PRADKK, MCL20L-PRAEKA, MCL20L-PRAEKK, MCL20L-PRAQKA, MCL20L-PRAQKK, MCL23L-SBADKA, MCL23L-SBADKK, MCL25L-PFADKK, MCL25L-PFAEKA, MCL25L-PFAEKK, MCL25L-PFAQKA, MCL25L-PFAQKK
View related parts
Toyota Sienna No.2 Exhaust Manifold Converter Sub-Assembly
Part Number: 25052-20110
$359.13 MSRP: $455.63
You Save: $96.50 (22%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Converter Sub-Assy, Exhaust Manifold, No.2; Exhaust Manifold
- Manufacturer Note: MARK 20110
- Replaces: 25052-20100
- Warranty: This genuine Toyota part is covered by warranty.
Fits the following Vehicles:
- 2000-2003 Toyota Sienna | CE, LE | 6 Cyl 3.0L | 1MZFE; MCL10L-GFSDKA, MCL10L-GFSDKK, MCL10L-GFSGKA, MCL10L-GFSGKK, MCL10L-PFSDKA, MCL10L-PFSDKK, MCL10L-PFSGKA, MCL10L-PFSGKK, MCL10L-SESDKA, MCL10L-SESDKK
View related parts
Toyota Sienna No.2 Exhaust Manifold Converter Sub-Assembly
Part Number: 25052-20020
$349.88 MSRP: $443.88
You Save: $94.00 (22%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Converter Sub-Assy, Exhaust Manifold, No.2; Exhaust Manifold
- Manufacturer Note: CALIFORNIA SPEC
- Warranty: This genuine Toyota part is covered by warranty.
Fits the following Vehicles:
- 1998-2001 Toyota Sienna | CE, LE | 6 Cyl 3.0L | 1MZFE; MCL10L-GFSDKA, MCL10L-GFSDKK, MCL10L-GFSGKA, MCL10L-GFSGKK, MCL10L-PFSDKA, MCL10L-PFSDKK, MCL10L-PFSGKA, MCL10L-PFSGKK, MCL10L-SESDKA, MCL10L-SESDKK
View related parts
Toyota Sienna Right Exhaust Manifold Sub-Assembly
Part Number: 17140-0P250
$987.88 MSRP: $1475.04
You Save: $487.16 (34%)
ADD TO CART
Product Specifications
- Other Name: Manifold Sub-Assembly, Exhaust, Rh; Catalytic Converter, Exhaust Manifold
- Position: Passenger Side
- Warranty: This genuine Toyota part is covered by warranty.
Fits the following Vehicles:
- 2011-2017 Toyota Sienna | LE, SE, STD, XLE | 4 Cyl 2.7L, 6 Cyl 3.5L | 1ARFE, 2GRFE, 2GRFKS; ASL30L-PFTEKA, ASL30L-PRTEKA, GSL30L-PFTDKA, GSL30L-PFTEKA, GSL30L-PFTQKA, GSL30L-PFZDHA, GSL30L-PFZEHA, GSL30L-PFZQHA, GSL30L-PRTEKA, GSL30L-PRTQKA, GSL30L-PRTSKA, GSL30L-PRZEHA, GSL30L-PRZQHA, GSL30L-PRZSHA, GSL33L-SBTDKA, GSL33L-SBZDHA, GSL33L-SEZDHA, GSL35L-PFTDKA, GSL35L-PFTEKA, GSL35L-PFTQKA, GSL35L-PFZEHA, GSL35L-PFZQHA
View related parts
Toyota Sienna Right Exhaust Manifold Sub-Assembly
Part Number: 17140-0P330
$886.84 MSRP: $1324.18
You Save: $437.34 (34%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Manifold Sub-Assembly, Exhaust, Rh
- Manufacturer Note: *114=TOYOTA/R0P330/Y
- Position: Passenger Side
- Replaced by: 17140-0P331
- Warranty: This genuine Toyota part is covered by warranty.
Fits the following Vehicles:
- 2016-2020 Toyota Sienna | LE, SE, STD, XLE | 6 Cyl 3.5L | 2GRFE, 2GRFKS; GSL30L-PFTDKA, GSL30L-PFTEKA, GSL30L-PFTQKA, GSL30L-PFZDHA, GSL30L-PFZEHA, GSL30L-PFZQHA, GSL30L-PRTEKA, GSL30L-PRTQKA, GSL30L-PRTSKA, GSL30L-PRZEHA, GSL30L-PRZQHA, GSL30L-PRZSHA, GSL33L-SBTDKA, GSL33L-SBZDHA, GSL33L-SEZDHA, GSL35L-PFTEKA, GSL35L-PFTQKA, GSL35L-PFZEHA, GSL35L-PFZQHA, GSL35L-PFZSHA
View related parts
Toyota Sienna Right Exhaust Manifold Sub-Assembly
Part Number: 17104-20030
$246.84 MSRP: $353.95
You Save: $107.11 (31%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Manifold Sub-Assy, Exhaust, Rh; Exhaust Manifold
- Manufacturer Note: CALIFORNIA SPEC
- Position: Passenger Side
- Warranty: This genuine Toyota part is covered by warranty.
Fits the following Vehicles:
- 2000-2003 Toyota Sienna | CE, LE | 6 Cyl 3.0L | 1MZFE; MCL10L-GFSDKA, MCL10L-GFSDKK, MCL10L-GFSGKA, MCL10L-GFSGKK, MCL10L-PFSDKA, MCL10L-PFSDKK, MCL10L-PFSGKA, MCL10L-PFSGKK, MCL10L-SESDKA, MCL10L-SESDKK
View related parts
Toyota Sienna Front Exhaust Pipe Assembly
Part Number: 17410-0A400
$290.45 MSRP: $381.47
You Save: $91.02 (24%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Pipe Assy, Exhaust, Front; Front Pipe
- Position: Front
- Warranty: This genuine Toyota part is covered by warranty.
Fits the following Vehicles:
- 2004-2007 Toyota Sienna | CE, LE, XLE | 6 Cyl 3.3L, 6 Cyl 3.5L | 2GRFE, 3MZFE; GSL20L-PFADKK, GSL20L-PFAEKA, GSL20L-PFAEKK, GSL20L-PFAQKA, GSL20L-PFAQKK, GSL20L-PRADKK, GSL20L-PRAEKA, GSL20L-PRAEKK, GSL20L-PRAQKA, GSL20L-PRAQKK, GSL23L-SBADKA, GSL23L-SBADKK, GSL25L-PFADKK, GSL25L-PFAEKA, GSL25L-PFAEKK, GSL25L-PFAQKA, GSL25L-PFAQKK, MCL20L-PFADKK, MCL20L-PFAEKA, MCL20L-PFAEKK, MCL20L-PFAQKA, MCL20L-PFAQKK, MCL20L-PRADKK, MCL20L-PRAEKA, MCL20L-PRAEKK, MCL20L-PRAQKA, MCL20L-PRAQKK, MCL23L-SBADKA, MCL23L-SBADKK, MCL25L-PFADKK, MCL25L-PFAEKA, MCL25L-PFAEKK, MCL25L-PFAQKA, MCL25L-PFAQKK
View related parts
Toyota Sienna Front Exhaust Pipe Assembly
Part Number: 17410-0A390
$336.94 MSRP: $460.38
You Save: $123.44 (27%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Pipe Assy, Exhaust, Front; Front Pipe
- Position: Front
- Warranty: This genuine Toyota part is covered by warranty.
Fits the following Vehicles:
- 2004-2007 Toyota Sienna | CE, LE, XLE | 6 Cyl 3.3L, 6 Cyl 3.5L | 2GRFE, 3MZFE; GSL20L-PFADKK, GSL20L-PFAEKA, GSL20L-PFAEKK, GSL20L-PFAQKA, GSL20L-PFAQKK, GSL20L-PRADKK, GSL20L-PRAEKA, GSL20L-PRAEKK, GSL20L-PRAQKA, GSL20L-PRAQKK, GSL23L-SBADKA, GSL23L-SBADKK, GSL25L-PFADKK, GSL25L-PFAEKA, GSL25L-PFAEKK, GSL25L-PFAQKA, GSL25L-PFAQKK, MCL20L-PFADKK, MCL20L-PFAEKA, MCL20L-PFAEKK, MCL20L-PFAQKA, MCL20L-PFAQKK, MCL20L-PRADKK, MCL20L-PRAEKA, MCL20L-PRAEKK, MCL20L-PRAQKA, MCL20L-PRAQKK, MCL23L-SBADKA, MCL23L-SBADKK, MCL25L-PFADKK, MCL25L-PFAEKA, MCL25L-PFAEKK, MCL25L-PFAQKA, MCL25L-PFAQKK
View related parts
Toyota Sienna Front Exhaust Pipe Assembly
Part Number: 17410-0P591
$273.75 MSRP: $359.54
You Save: $85.79 (24%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Pipe Assembly, Exhaust, Front; Front Pipe
- Position: Front
- Warranty: This genuine Toyota part is covered by warranty.
Fits the following Vehicles:
- 2016-2020 Toyota Sienna | LE, SE, STD, XLE | 6 Cyl 3.5L | 2GRFE, 2GRFKS; GSL30L-PFTDKA, GSL30L-PFTEKA, GSL30L-PFTQKA, GSL30L-PFZDHA, GSL30L-PFZEHA, GSL30L-PFZQHA, GSL30L-PRTEKA, GSL30L-PRTQKA, GSL30L-PRTSKA, GSL30L-PRZEHA, GSL30L-PRZQHA, GSL30L-PRZSHA, GSL33L-SBTDKA, GSL33L-SBZDHA, GSL33L-SEZDHA, GSL35L-PFTEKA, GSL35L-PFTQKA, GSL35L-PFZEHA, GSL35L-PFZQHA, GSL35L-PFZSHA
View related parts
Toyota Sienna Front Exhaust Pipe Assembly
Part Number: 17410-0P180
$260.29 MSRP: $341.86
You Save: $81.57 (24%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Pipe Assy, Exhaust, Front; Front Pipe, Front Shield
- Position: Front
- Replaces: 17410-31660
- Warranty: This genuine Toyota part is covered by warranty.
Fits the following Vehicles:
- 2006-2010 Toyota Sienna | CE, LE, XLE | 6 Cyl 3.3L, 6 Cyl 3.5L | 2GRFE, 3MZFE; GSL20L-PFADKK, GSL20L-PFAEKA, GSL20L-PFAEKK, GSL20L-PFAQKA, GSL20L-PFAQKK, GSL20L-PRADKK, GSL20L-PRAEKA, GSL20L-PRAEKK, GSL20L-PRAQKA, GSL20L-PRAQKK, GSL23L-SBADKA, GSL23L-SBADKK, GSL25L-PFADKK, GSL25L-PFAEKA, GSL25L-PFAEKK, GSL25L-PFAQKA, GSL25L-PFAQKK, MCL20L-PFADKK, MCL20L-PFAEKA, MCL20L-PFAEKK, MCL20L-PFAQKA, MCL20L-PFAQKK, MCL20L-PRADKK, MCL20L-PRAEKA, MCL20L-PRAEKK, MCL20L-PRAQKA, MCL20L-PRAQKK, MCL23L-SBADKA, MCL23L-SBADKK, MCL25L-PFADKK, MCL25L-PFAEKA, MCL25L-PFAEKK, MCL25L-PFAQKA, MCL25L-PFAQKK
View related parts
Toyota Sienna Right Exhaust Manifold Sub-Assembly
Part Number: 17140-0P160
$620.15 MSRP: $925.97
You Save: $305.82 (34%)
ADD TO CART
Product Specifications
- Other Name: Manifold Sub-Assembly, Exhaust, Rh; Catalytic Converter, Exhaust Manifold
- Position: Passenger Side
- Warranty: This genuine Toyota part is covered by warranty.
Fits the following Vehicles:
- 2011-2012 Toyota Sienna | LE, SE, STD, XLE | 4 Cyl 2.7L, 6 Cyl 3.5L | 1ARFE, 2GRFE; ASL30L-PFTEKA, ASL30L-PRTEKA, GSL30L-PFTDKA, GSL30L-PFTEKA, GSL30L-PFTQKA, GSL30L-PRTEKA, GSL30L-PRTQKA, GSL30L-PRTSKA, GSL33L-SBTDKA, GSL35L-PFTDKA, GSL35L-PFTEKA, GSL35L-PFTQKA
View related parts
Toyota Sienna Right Exhaust Manifold Sub-Assembly
Part Number: 17140-0P270
$528.05 MSRP: $787.75
You Save: $259.70 (33%)
Product Specifications
- Other Name: Manifold Sub-Assembly, Exhaust, Rh; Catalytic Converter, Exhaust Manifold
- Position: Passenger Side
- Warranty: This genuine Toyota part is covered by warranty.
Fits the following Vehicles:
- 2011-2017 Toyota Sienna | LE, SE, STD, XLE | 4 Cyl 2.7L, 6 Cyl 3.5L | 1ARFE, 2GRFE, 2GRFKS; ASL30L-PFTEKA, ASL30L-PRTEKA, GSL30L-PFTDKA, GSL30L-PFTEKA, GSL30L-PFTQKA, GSL30L-PFZDHA, GSL30L-PFZEHA, GSL30L-PFZQHA, GSL30L-PRTEKA, GSL30L-PRTQKA, GSL30L-PRTSKA, GSL30L-PRZEHA, GSL30L-PRZQHA, GSL30L-PRZSHA, GSL33L-SBTDKA, GSL33L-SBZDHA, GSL33L-SEZDHA, GSL35L-PFTDKA, GSL35L-PFTEKA, GSL35L-PFTQKA, GSL35L-PFZEHA, GSL35L-PFZQHA
View related parts
Toyota Sienna Exhaust Manifold Assembly Left Hand
Part Number: 17150-0P090
$994.23 MSRP: $1484.53
You Save: $490.30 (34%)
Product Specifications
- Other Name: Manifold Sub-Assy, Exhaust, Lh; Exhaust Manifold
- Manufacturer Note: MARK L0P090
- Position: Driver Side
- Replaces: 17150-31150
- Warranty: This genuine Toyota part is covered by warranty.
Fits the following Vehicles:
- 2006-2010 Toyota Sienna | CE, LE, XLE | 6 Cyl 3.3L, 6 Cyl 3.5L | 2GRFE, 3MZFE; GSL20L-PFADKK, GSL20L-PFAEKA, GSL20L-PFAEKK, GSL20L-PFAQKA, GSL20L-PFAQKK, GSL20L-PRADKK, GSL20L-PRAEKA, GSL20L-PRAEKK, GSL20L-PRAQKA, GSL20L-PRAQKK, GSL23L-SBADKA, GSL23L-SBADKK, GSL25L-PFADKK, GSL25L-PFAEKA, GSL25L-PFAEKK, GSL25L-PFAQKA, GSL25L-PFAQKK, MCL20L-PFADKK, MCL20L-PFAEKA, MCL20L-PFAEKK, MCL20L-PFAQKA, MCL20L-PFAQKK, MCL20L-PRADKK, MCL20L-PRAEKA, MCL20L-PRAEKK, MCL20L-PRAQKA, MCL20L-PRAQKK, MCL23L-SBADKA, MCL23L-SBADKK, MCL25L-PFADKK, MCL25L-PFAEKA, MCL25L-PFAEKK, MCL25L-PFAQKA, MCL25L-PFAQKK
View related parts
Toyota Sienna Left Exhaust Manifold Sub-Assembly
Part Number: 17150-0P150
$1162.56 MSRP: $1735.86
You Save: $573.30 (34%)
Product Specifications
- Other Name: Manifold Sub-Assembly, Exhaust, Lh; Catalytic Converter, Exhaust Manifold
- Position: Driver Side
- Warranty: This genuine Toyota part is covered by warranty.
Fits the following Vehicles:
- 2011-2012 Toyota Sienna | LE, SE, STD, XLE | 4 Cyl 2.7L, 6 Cyl 3.5L | 1ARFE, 2GRFE; ASL30L-PFTEKA, ASL30L-PRTEKA, GSL30L-PFTDKA, GSL30L-PFTEKA, GSL30L-PFTQKA, GSL30L-PRTEKA, GSL30L-PRTQKA, GSL30L-PRTSKA, GSL33L-SBTDKA, GSL35L-PFTDKA, GSL35L-PFTEKA, GSL35L-PFTQKA
View related parts
Toyota Sienna Exhaust Manifold Sub-Assembly, Left
Part Number: 17142-20050
Product Specifications
- Other Name: Manifold Sub-Assy, Exhaust, Lh; Exhaust Manifold
- Position: Driver Side
- Warranty: This genuine Toyota part is covered by warranty.
Fits the following Vehicles:
- 1998-2001 Toyota Sienna | CE, LE | 6 Cyl 3.0L | 1MZFE; MCL10L-GFSDKA, MCL10L-GFSDKK, MCL10L-GFSGKA, MCL10L-GFSGKK, MCL10L-PFSDKA, MCL10L-PFSDKK, MCL10L-PFSGKA, MCL10L-PFSGKK, MCL10L-SESDKA, MCL10L-SESDKK

| Page 1 of 3 |Next >

1-20 of 45 Results

Toyota Sienna Catalytic Converter

The Toyota Sienna Catalytic Converter helps reduce harmful exhaust gases by allowing engine emissions to pass through a honeycomb substrate coated with platinum, palladium, and rhodium that speed up the reactions turning carbon monoxide and hydrocarbons into carbon dioxide and water and transforming oxides of nitrogen into nitrogen. The Sienna like all models has the device which goes under the vehicle as part of the exhaust and has an eight-year or 80,000-mile emissions warranty from Toyota. A Catalytic Converter that's working properly keeps your Toyota Sienna within emissions standards. However, clogging, poisoning, and structural impact can all cause overheating of the Catalytic Converter substrate. This may also create rattling, restrict flow, and trigger check engine light code P0420 with the message efficiency below threshold. The Catalytic Converter can get damaged due to misfiring, rich mixtures, oil or coolant leaks, leaded fuel, or excessive use of additives causing cell melting. When the Catalytic Converter gets blocked, that will lower performance and raise emissions so you need to replace it on time to make your Toyota Sienna compliant.

If you are in demand for superior quality and affordable OEM Toyota Sienna Catalytic Converter, then shop with us! We own a wide range of the reduced-priced genuine Toyota Sienna Catalytic Converter. You can purchase in confidence as all parts come with a manufacturer's warranty. Any issues with our products? No need to worry as we have a hassle-free return policy to guide you every step of the way.

Toyota Sienna Catalytic Converter Parts Questions & Experts Answers

No.2 Exhaust Manifold Converter Sub-Assembly
25052-20110
Q: What is the general description and maintenance procedure for a catalytic converter on Toyota Sienna?
A:
Because of a Federally mandated extended warranty covering emissions-related components like the catalytic converter, it is advisable to consult a dealer service department before replacing the converter at your own expense. The catalytic converter is an emission control device added to the exhaust system to reduce pollutants from the exhaust gas stream, with two types available: the conventional oxidation catalyst, which reduces hydrocarbon and carbon monoxide levels, and the three-way catalyst, which lowers oxides of nitrogen, hydrocarbons, and carbon monoxide. Models from 2001 to 2006 feature three catalytic converters, including a warm-up three-way catalytic converter as part of the front exhaust manifold and another in the pipe from the rear manifold, with the main exhaust pipe containing the final converter. The test equipment for diagnosing a malfunctioning converter is expensive and sophisticated, so it is recommended to take the vehicle to a dealer or authorized emissions inspection facility for diagnosis and repair. When servicing underbody components, check the converter for leaks, corrosion, dents, and other damage, and inspect the welds and flange bolts attaching the converter to the exhaust system; if any damage is found, replacement is necessary. Although catalytic converters rarely break, they can become plugged, and a vacuum gauge can be used to check for a restricted converter by connecting it to an intake manifold vacuum source, warming the engine, and recording vacuum readings at idle and after quickly opening the throttle. If the reading after the fourth test is more than one in-Hg lower than the idle reading, the exhaust system may be restricted. For models from 2001 and later, warm-up converters cannot be replaced separately, so it is important to spray the nuts on the exhaust flange studs with penetrating oil before removal, disconnect the flange at the rear of the converter, and cut the front of the converter from the pipe for removal, with installation being the reverse of removal.