How to replace a catalytic converter?

The following is a generalized procedure for most catalytic converters. The specifics vary among tile engines used in these vehicles. Many exhaust specialist shops are able to replace catalytic converters at a lower cost than what you might pay for a new one from a dealer.Raise the vehicle and support it securely on jackstands.Disconnect the electrical connector from the related oxygen sensor and remove the sensor.Support the other sections of the exhaust system as necessary.Remove the retaining nuts from the front and rear catalyst mounting flanges.Remove the catalyst and pull off the gaskets.Installation is the reverse of removal. Replace any rusted or damaged fasteners along with the gaskets.

Genuine GMC Acadia Catalytic Converter

Cat. Converter

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21 Catalytic Converters found

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GMC Acadia 3Way Catalytic Convertor Assembly (W/ Exhaust Manifold P
Part Number: 15903507
$1145.45 MSRP: $1715.00
You Save: $569.55 (34%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Converter Assembly, 3Way Catalytic (W/ Exhaust Manifold P; Catalytic Converter, Converter & Pipe
- Replaced by: 19418923
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2009-2011 GMC Acadia | SPORT UTILITY VEHICLE 2WD, SPORT UTILITY VEHICLE 4WD, SPORT UTILITY VEHICLE AWD | 6 Cyl 3.6L
View related parts
GMC Acadia 3Way Catalytic Convertor Assembly (W/ Exhaust Manifold P
Part Number: 15903506
$959.25 MSRP: $2014.12
You Save: $1054.87 (53%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Converter Assembly, 3Way Catalytic (W/ Exhaust Manifold P; Catalytic Converter, Converter & Pipe
- Replaced by: 19418920
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2009-2011 GMC Acadia | SPORT UTILITY VEHICLE 2WD, SPORT UTILITY VEHICLE 4WD, SPORT UTILITY VEHICLE AWD | 6 Cyl 3.6L
View related parts
GMC Acadia 3Way Catalytic Convertor Assembly (W/ Exhaust Manifold P
Part Number: 15118654
$1064.34 MSRP: $1592.67
You Save: $528.33 (34%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Converter Assembly, 3Way Catalytic (W/ Exhaust Manifold P; Catalytic Converter, Converter & Pipe
- Replaced by: 19419591
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2007-2008 GMC Acadia | SPORT UTILITY VEHICLE 2WD, SPORT UTILITY VEHICLE 4WD | 6 Cyl 3.6L
View related parts
GMC Acadia 3Way Catalytic Convertor (W/Exhaust Pipe)
Part Number: 20906952
$820.31 MSRP: $1740.17
You Save: $919.86 (53%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Converter,3Way Catalytic (W/Exhaust Pipe); Catalytic Converter, Converter & Pipe
- Replaced by: 19418929
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2012-2015 GMC Acadia | SPORT UTILITY VEHICLE 2WD, SPORT UTILITY VEHICLE 4WD | 6 Cyl 3.6L
View related parts
GMC Acadia 3Way Catalytic Convertor Assembly (W/ Exhaust Pipe)
Part Number: 15903508
$862.70 MSRP: $1288.54
You Save: $425.84 (34%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Converter Assembly, 3Way Catalytic (W/ Exhaust Pipe); Catalytic Converter
- Replaced by: 19418938
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2009-2011 GMC Acadia | SPORT UTILITY VEHICLE 2WD, SPORT UTILITY VEHICLE 4WD, SPORT UTILITY VEHICLE AWD | 6 Cyl 3.6L
View related parts
GMC Acadia 3Way Catalytic Convertor Assembly (W/Exhaust Pipe)
Part Number: 23229313
$824.53 MSRP: $1118.56
You Save: $294.03 (27%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Converter Assembly, 3Way Catalytic(W/Exhaust Pipe); Catalytic Converter, Converter & Pipe
- Replaced by: 19420303
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2016-2017 GMC Acadia | SPORT UTILITY VEHICLE 2WD, SPORT UTILITY VEHICLE 4WD | 6 Cyl 3.6L
View related parts
GMC Acadia 3Way Catalytic Convertor (W/Exhaust Pipe)
Part Number: 20906953
$1182.15 MSRP: $1714.69
You Save: $532.54 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Converter,3Way Catalytic (W/Exhaust Pipe); Catalytic Converter, Converter & Pipe
- Replaced by: 19418927
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2012-2015 GMC Acadia | SPORT UTILITY VEHICLE 2WD, SPORT UTILITY VEHICLE 4WD | 6 Cyl 3.6L
View related parts
GMC Acadia W/UP 3Way Catalytic Convertor Assembly
Part Number: 12676948
$979.14 MSRP: $1464.18
You Save: $485.04 (34%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Converter Assembly, W/Up 3Way Ctltc; Catalytic Converter
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2019-2021 GMC Acadia | SLE SUV, SLE2 SUV, SLT SUV | 4 Cyl 2.5L
View related parts
GMC Acadia Converter Assembly, W/Up 3Way Ctltc
Part Number: 55512009
$933.26 MSRP: $1394.97
You Save: $461.71 (34%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Catalytic Converter, Converter & Pipe
- Replaced by: 55516911
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2020 GMC Acadia | DENALI SUV, SLE SUV, SLT SUV | 4 Cyl 2.0L
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GMC Acadia Warm Up 3Way Catalytic Convertor Assembly
Part Number: 12678254
$977.46 MSRP: $1461.63
You Save: $484.17 (34%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Converter Assembly, Warm Up 3Way Catalytic; Catalytic Converter
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2018 GMC Acadia | SLE SUV, SLE2 SUV, SLT SUV | 4 Cyl 2.5L
View related parts
GMC Acadia Warm Up 3Way Catalytic Convertor Assembly
Part Number: 12674560
$652.98 MSRP: $972.21
You Save: $319.23 (33%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Converter Assembly, Warm Up 3Way Catalytic; Catalytic Converter
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2017 GMC Acadia | SLE SUV, SLE2 & ALL TERRAIN SUV, SLT & ALL TERRAIN SUV | 4 Cyl 2.5L
View related parts
GMC Acadia CONVERTER ASM,3WAY CTLTC(W/EXH PIPE)
Part Number: 19420290
$974.94 MSRP: $1457.84
You Save: $482.90 (34%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Catalytic Converter, Converter & Pipe
- Replaces: 23229314
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2016-2017 GMC Acadia | SPORT UTILITY VEHICLE 2WD, SPORT UTILITY VEHICLE 4WD | 6 Cyl 3.6L
View related parts
GMC Acadia Converter Assembly, Warm Up 3Way Catalytic (W/ Exhaust Pip
Part Number: 84315299
$985.46 MSRP: $1473.73
You Save: $488.27 (34%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Converter Assembly, W/Up 3Way Ctltc (W/ Exh Pip; Catalytic Converter
- Replaced by: 85513025
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2018-2021 GMC Acadia | DENALI SUV, SLE SUV, SLE2 SUV, SLT SUV, SLT2 SUV | 6 Cyl 3.6L
View related parts
GMC Acadia 3Way Catalytic Convertor Assembly
Part Number: 23229312
$513.31 MSRP: $959.00
You Save: $445.69 (47%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Converter Assembly, 3Way Catalytic; Catalytic Converter
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2016-2017 GMC Acadia | SPORT UTILITY VEHICLE 2WD, SPORT UTILITY VEHICLE 4WD | 6 Cyl 3.6L
View related parts
GMC Acadia 3Way Catalytic Convertor Assembly (W/ Exhaust Manifold P
Part Number: 25776079
$1073.18 MSRP: $1606.00
You Save: $532.82 (34%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Converter Assembly, 3Way Catalytic (W/ Exhaust Manifold P; Catalytic Converter, Converter & Pipe
- Replaced by: 19420111
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2007-2008 GMC Acadia | SPORT UTILITY VEHICLE 2WD, SPORT UTILITY VEHICLE 4WD | 6 Cyl 3.6L
View related parts
GMC Acadia 3Way Catalytic Convertor Assembly (W/ Exhaust Pipe)
Part Number: 20906951
$747.14 MSRP: $1114.23
You Save: $367.09 (33%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Converter Assembly, 3Way Catalytic (W/ Exhaust Pipe); Catalytic Converter
- Replaced by: 19418968
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2012-2015 GMC Acadia | SPORT UTILITY VEHICLE 2WD, SPORT UTILITY VEHICLE 4WD | 6 Cyl 3.6L
View related parts
GMC Acadia Converter Assembly, Warm Up 3Way Catalytic (W/ Exhaust Pip
Part Number: 84315298
$613.28 MSRP: $912.33
You Save: $299.05 (33%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Converter Assembly, W/Up 3Way Ctltc (W/ Exh Pip
- Replaced by: 85513027
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2018 GMC Acadia | DENALI SUV, SLE SUV, SLE2 SUV, SLT SUV, SLT2 SUV | 6 Cyl 3.6L
View related parts
GMC Acadia Converter Assembly, W/Up 3Way Ctltc
Part Number: 55511596
$920.70 MSRP: $1388.71
You Save: $468.01 (34%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Catalytic Converter, Converter & Pipe
- Replaced by: 55516909
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2021 GMC Acadia | DENALI SUV, SLE SUV, SLT SUV | 4 Cyl 2.0L
View related parts
GMC Acadia 3Way Catalytic Convertor Assembly (W/ Exh Pip
Part Number: 84718893
$613.28 MSRP: $912.33
You Save: $299.05 (33%)
ADD TO CART
Product Specifications
- Other Name: Converter Assembly, W/Up 3Way Ctltc (W/ Exh Pip; Catalytic Converter, Converter & Pipe
- Replaced by: 85513027
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2019-2021 GMC Acadia | DENALI SUV, SLE SUV, SLE2 SUV, SLT SUV, SLT2 SUV | 6 Cyl 3.6L
View related parts
GMC Acadia Warm Up 3Way Catalytic Convertor Assembly (W/ Exhaust Pip
Part Number: 84131556
$2104.59 MSRP: $3161.67
You Save: $1057.08 (34%)
ADD TO CART
Product Specifications
- Other Name: Converter Assembly, Warm Up 3Way Catalytic (W/ Exhaust Pip; Catalytic Converter, Converter & Pipe
- Replaces: 23386840
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2017 GMC Acadia | DENALI SUV, SLE2 & ALL TERRAIN SUV, SLT & ALL TERRAIN SUV, SLT2 SUV | 6 Cyl 3.6L

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1-20 of 21 Results

GMC Acadia Catalytic Converter Parts Questions & Experts Answers

3Way Catalytic Convertor Assembly (W/ Exhaust Manifold P
15118654
Q: How to replace a catalytic converter?
A: The following is a generalized procedure for most catalytic converters. The specifics vary among tile engines used in these vehicles. Many exhaust specialist shops are able to replace catalytic converters at a lower cost than what you might pay for a new one from a dealer.Raise the vehicle and support it securely on jackstands.Disconnect the electrical connector from the related Oxygen Sensor and remove the sensor.Support the other sections of the exhaust system as necessary.Remove the retaining nuts from the front and rear catalyst mounting flanges.Remove the catalyst and pull off the gaskets.Installation is the reverse of removal. Replace any rusted or damaged fasteners along with the gaskets.

Related GMC Acadia Parts

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2021 Catalytic Converter 2020 Catalytic Converter 2019 Catalytic Converter 2018 Catalytic Converter 2017 Catalytic Converter 2016 Catalytic Converter 2015 Catalytic Converter 2014 Catalytic Converter 2013 Catalytic Converter 2012 Catalytic Converter 2011 Catalytic Converter 2010 Catalytic Converter 2009 Catalytic Converter 2008 Catalytic Converter 2007 Catalytic Converter