How to Replace a Three-Way Catalytic Converter on Chevrolet Tahoe?

Starting the process of replacing the three-way Catalytic Converter requires vehicle elevation and proper support. Start by removing the oil pan skid plate if the vehicle has it and then proceed to remove the transmission crossmember. To perform a Catalytic Converter replacement, the heated oxygen (HO2S) sensors need removal from the system. Otherwise, disconnect their harness connectors. Remove the Exhaust Manifold pipe and discard the exhaust seals using bolt removal and nut loosening and loosening the band clamp bolt. The installation process starts by fitting new Exhaust Manifold seals followed by connecting the Catalytic Converter pipe to exhaust manifolds before torquing the nuts to 50 nm (37 lb ft). Fasten the three-way converter to the Muffler assembly with a clamp bolt torque of 44 nm (32 lb ft). Transmission crossmember installation should follow along with heated oxygen (HO2S) sensor fitting if you are replacing your Catalytic Converter. Otherwise, connect the harness connectors. Apply anti-seize compound to the HO2S threads before installing the sensor when replacement occurs. Check for exhaust leaks after reinstalling the oil pan skid plate if your vehicle has it and then lower the vehicle.

OEM Chevrolet Tahoe Catalytic Converter

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27 Catalytic Converters found

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Chevrolet Tahoe Catalytic Converter
Part Number: 22940415
$1896.42 MSRP: $2834.87
You Save: $938.45 (34%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Converter Assembly-3Way Catalytic (W/Exhaust Manifold P; Exhaust Pipe; Converter & Pipe; Converter, Catalytic Converter; Converter, Exhaust Pipe
- Replaces: 15905949
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2012-2014 Chevrolet Tahoe | LS, LT, LTZ | 8 Cyl 5.3 L FLEX
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Chevrolet Tahoe Catalytic Converter
Part Number: 19418958
$1497.91 MSRP: $2236.50
You Save: $738.59 (34%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Converter Assembly, 3Way Catalytic (W/Exhaust Manifold Pipe) "Kit"; Exhaust Pipe; Converter & Pipe; Converter, Catalytic Converter; Converter, Exhaust Pipe
- Replaces: 20854457, 25904626, 25904629
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2008-2009 Chevrolet Tahoe | LTZ | 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
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Chevrolet Tahoe Catalytic Converter
Part Number: 19418926
$2089.59 MSRP: $3134.37
You Save: $1044.78 (34%)
ADD TO CART
Product Specifications
- Other Name: Converter Assembly, 3Way Catalytic (W/Exhaust Manifold Pipe) "Kit"; Converter & Pipe; Converter, Catalytic Converter; Converter, Exhaust Pipe
- Replaces: 15896590, 20854453
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2009-2014 Chevrolet Tahoe | Hybrid, LS, LT, LTZ | 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L FULL HYBRID EV-FLEX (FHEV)
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Chevrolet Tahoe Catalytic Converter
Part Number: 19418939
$2035.73 MSRP: $3152.45
You Save: $1116.72 (36%)
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Product Specifications
- Other Name: Converter Assembly, 3Way Catalytic (W/Exhaust Manifold Pipe) "Kit"; Converter & Pipe; Converter, Catalytic Converter; Converter, Exhaust Pipe
- Replaces: 15127418, 25904628, 25824120
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2007-2008 Chevrolet Tahoe | LS, LT, LTZ | 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
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Chevrolet Tahoe Catalytic Converter
Part Number: 19420265
$1983.37 MSRP: $2965.42
You Save: $982.05 (34%)
ADD TO CART
Product Specifications
- Other Name: Converter Assembly, 3Way Catalytic (W/Exhaust Pipe); Converter & Pipe; Converter, Catalytic Converter; Exhaust Pipe
- Replaces: 23111625, 84362281
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2018-2020 Chevrolet Tahoe | LS, LT, PPV, Premier, SSV | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
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Chevrolet Tahoe Three-Way Catalytic Converter with Exhaust Pipe
Part Number: 19420288
$1990.02 MSRP: $2975.40
You Save: $985.38 (34%)
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Product Specifications
- Other Name: CONVERTER ASM,3WAY CTLTC(W/EXH PIPE); Converter & Pipe; Converter, Catalytic Converter
- Replaces: 23486656
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2016-2020 Chevrolet Tahoe | LS, LT, LTZ, PPV, Premier, SSV | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
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Chevrolet Tahoe Catalytic Converter
Part Number: 19418932
$2642.34 MSRP: $3954.87
You Save: $1312.53 (34%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Converter Assembly, 3Way Catalytic (W/Exhaust Manifold Pipe) "Kit"; Exhaust Pipe; Converter & Pipe; Converter, Catalytic Converter; Converter, Exhaust Pipe
- Replaces: 25824121
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2007-2009 Chevrolet Tahoe | Hybrid, LS, LT, LTZ | 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L FULL HYBRID EV-GAS (FHEV)
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Chevrolet Tahoe Catalytic Converter
Part Number: 19420276
$2050.74 MSRP: $3066.58
You Save: $1015.84 (34%)
ADD TO CART
Product Specifications
- Other Name: Converter Assembly, Warm Up 3Way Catalytic (W/ Exhaust Pipe); Converter & Pipe; Converter, Catalytic Converter
- Replaces: 20757674
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2015 Chevrolet Tahoe | LS, LT, LTZ, PPV, SSV | 8 Cyl 5.3 L FLEX
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Chevrolet Tahoe Converter
Part Number: 19420113
$1838.04 MSRP: $2747.21
You Save: $909.17 (34%)
Product Specifications
- Other Name: Converter Assembly, 3Way Catalytic (W/Exhaust Manifold Pipe) "Kit"; Converter, Catalytic Converter; Converter, Exhaust Pipe
- Replaces: 15746547, 15042331, 15739825
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1997-2000 Chevrolet Tahoe | Base, Limited, LS, LT, Z71 | 8 Cyl 5.7 L GAS
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Chevrolet Tahoe Catalytic Converter
Part Number: 19419599
$1942.11 MSRP: $2903.47
You Save: $961.36 (34%)
Product Specifications
- Other Name: Converter Assembly, 3Way Catalytic (W/Exhaust Manifold Pipe) "Kit"; Exhaust Pipe; Converter & Pipe; Converter, Catalytic Converter; Converter, Exhaust Pipe
- Replaces: 15896591
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2012-2014 Chevrolet Tahoe | LS, LT, LTZ | 8 Cyl 5.3 L FLEX
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Chevrolet Tahoe Converter
Part Number: 25146769
Product Specifications
- Other Name: Converter Assembly-3Way Catalytic (W/Exhaust Manifold P; Catalytic Converter; Converter, Catalytic Converter; Converter, Exhaust Pipe
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1995-1996 Chevrolet Tahoe | Base, LS, LT | 8 Cyl 5.7 L GAS
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Chevrolet Tahoe Catalytic Converter
Part Number: 15975251
Product Specifications
- Other Name: Converter
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996 Chevrolet Tahoe | Base, LS, LT | 8 Cyl 5.7 L GAS
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Chevrolet Tahoe Converter
Part Number: 25146029
Product Specifications
- Other Name: Converter Assembly-3Way Catalytic (W/Exhaust Manifold P; Catalytic Converter; Converter, Catalytic Converter; Converter, Exhaust Pipe
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1995-1996 Chevrolet Tahoe | Base, LS, LT | 8 Cyl 5.7 L GAS
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Chevrolet Tahoe Converter
Part Number: 15991749
Product Specifications
- Other Name: Converter, Catalytic Converter; Converter, Exhaust Pipe; Catalytic Converter
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1995-1999 Chevrolet Tahoe | Base, LS, LT | 8 Cyl 6.5 L DIESEL
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Chevrolet Tahoe Catalytic Converter
Part Number: 15991751
Product Specifications
- Other Name: Converter, Catalytic Converter; Converter, Exhaust Pipe
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1997-1999 Chevrolet Tahoe | Base, LS, LT | 8 Cyl 6.5 L DIESEL
View related parts
Chevrolet Tahoe Catalytic Converter
Part Number: 88968527
Product Specifications
- Other Name: Converter, Catalytic Converter; Converter
- Replaces: 25131438, 25130001, 25130005, 25143420
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1995 Chevrolet Tahoe | Base, LS, LT | 8 Cyl 5.7 L GAS
View related parts
Chevrolet Tahoe Catalytic Converter
Part Number: 19420110
Product Specifications
- Other Name: Converter Assembly, 3Way Catalytic (W/Exhaust Manifold Pipe) "Kit"; Exhaust Pipe; Converter & Pipe; Converter, Catalytic Converter; Converter, Exhaust Pipe
- Replaces: 25824122, 20854458, 25904627
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2008-2009 Chevrolet Tahoe | LTZ | 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
View related parts
Chevrolet Tahoe Catalytic Converter
Part Number: 15733231
Product Specifications
- Other Name: Converter Assembly-Catalytic (W/Exhaust Manifold Pipe T; Converter; Converter, Catalytic Converter; Converter, Exhaust Pipe
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1997-1999 Chevrolet Tahoe | Base, LS, LT | 8 Cyl 5.7 L GAS
View related parts
Chevrolet Tahoe Catalytic Converter
Part Number: 15079086
Product Specifications
- Other Name: Converter, 3Way Catalytic (W/Exhaust Manifold Pipe); Exhaust Pipe; Converter & Pipe; Converter, Catalytic Converter; Converter, Exhaust Pipe
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2002 Chevrolet Tahoe | LS, LT, Z71 | 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
View related parts
Chevrolet Tahoe Catalytic Converter
Part Number: 19418928
$1822.14 MSRP: $2723.32
You Save: $901.18 (34%)
Product Specifications
- Other Name: Converter Assembly, 3Way Catalytic (W/Exhaust Manifold Pipe) "Kit"; Exhaust Pipe; Converter & Pipe; Converter, Catalytic Converter; Converter, Exhaust Pipe
- Replaces: 15036169, 15076458, 15756278, 10395212, 15052911, 15076459, 15756279, 15246489, 15082124, 19206638
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2005, 2000-2001 Chevrolet Tahoe | Base, LS, LT, Z71 | 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS

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Chevrolet Tahoe Catalytic Converter

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Chevrolet Tahoe Catalytic Converter Parts Questions & Experts Answers

Catalytic Converter
19418926
Q: How to Replace a Three-Way Catalytic Converter on Chevrolet Tahoe?
A: Starting the process of replacing the three-way Catalytic Converter requires vehicle elevation and proper support. Start by removing the oil pan skid plate if the vehicle has it and then proceed to remove the transmission crossmember. To perform a Catalytic Converter replacement, the heated oxygen (HO2S) sensors need removal from the system. Otherwise, disconnect their harness connectors. Remove the Exhaust Manifold pipe and discard the exhaust seals using bolt removal and nut loosening and loosening the band clamp bolt. The installation process starts by fitting new Exhaust Manifold seals followed by connecting the Catalytic Converter pipe to exhaust manifolds before torquing the nuts to 50 nm (37 lb ft). Fasten the three-way converter to the Muffler assembly with a clamp bolt torque of 44 nm (32 lb ft). Transmission crossmember installation should follow along with heated oxygen (HO2S) sensor fitting if you are replacing your Catalytic Converter. Otherwise, connect the harness connectors. Apply anti-seize compound to the HO2S threads before installing the sensor when replacement occurs. Check for exhaust leaks after reinstalling the oil pan skid plate if your vehicle has it and then lower the vehicle.