How to replace the catalytic converter on 6.01- and 8.11- engines on Chevrolet Avalanche 2500?

To change the Catalytic Converter for 6.01- and 8.11- engines, firstly, raise and support the vehicle. The engine shield bolts and shield if a need arises followed by oil pan skid plate bolts and plate if necessary. Next, remove the Muffler. Remove the connector position assurance (CPA) retainers and the Oxygen Sensor electrical connectors (1, 2). Discard the left exhaust manifold pipe nuts and then remove the Catalytic Converter, sliding the Catalytic Converter hanger off the exhaust pipe hanger bracket. Replace the Catalytic Converter and apply anti-seize compound gm pn 12377953 or equivalent to the threads of the old oxygen sensors and install the ones previously installed, tightening to 42 nm (31 ft. Lbs). Install a new exhaust seal to the exhaust manifold, followed by Catalytic Converter, making sure the hanger slides into the exhaust pipe hanger bracket. Reinstall the left exhaust manifold pipe nuts and tighten them to 50 nm (39 ft. Lbs.) of torque, connect the bank one o2 sensor electrical connectors (1, 2) and the cpa retainers. The Muffler, oil pan skid plate and bolts if necessary must be reinstalled (20 Nm (15 ft. Lbs.)), also the engine shield and bolts if necessary (same force: 20 Nm (15 ft.lbs.)) must be reinstalled. Finally, lower the vehicle.

OEM Chevrolet Avalanche 2500 Catalytic Converter

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12 Catalytic Converters found

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Chevrolet Avalanche 2500 Catalytic Converter Part Number: 19420124
$970.06 MSRP: $1443.93
You Save: $473.87 (33%)
ADD TO CART
Product Specifications
- Other Name: Converter Assembly, 3Way Catalytic (W/Exhaust Manifold Pipe) "Kit"; Front Pipe; Converter & Pipe; Converter, Catalytic Converter; Converter, Exhaust Pipe
- Replaces: 15754088, 15755463, 10395213
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006, 2002 Chevrolet Avalanche 2500 | Base, LS, LT | 8 Cyl 8.1 L GAS
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Chevrolet Avalanche 2500 Catalytic Converter Part Number: 19420109
$896.01 MSRP: $1389.07
You Save: $493.06 (36%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Converter Assembly, 3Way Catalytic (W/Exhaust Manifold Pipe) "Kit"; Front Pipe; Converter & Pipe; Converter, Catalytic Converter; Converter, Exhaust Pipe
- Replaces: 10395214, 15755464, 15754087
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006, 2002 Chevrolet Avalanche 2500 | Base, LS, LT | 8 Cyl 8.1 L GAS
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Chevrolet Avalanche 2500 Catalytic Converter, Driver Side Part Number: 19420127
Product Specifications
- Other Name: Converter Assembly, 3Way Catalytic (W/Exhaust Manifold Pipe) "Kit"; Exhaust Pipe; Front Pipe; Converter, Catalytic Converter; Converter, Exhaust Pipe
- Position: Driver Side
- Replaces: 15199817
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2006 Chevrolet Avalanche 2500 | Base, LS, LT | 8 Cyl 8.1 L GAS
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Chevrolet Avalanche 2500 Front Pipe, Driver Side Part Number: 15793201
Product Specifications
- Other Name: Converter Assembly-3Way Catalytic (W/Exhaust Manifold P; Exhaust Pipe; Converter, Catalytic Converter; Converter, Exhaust Pipe
- Position: Driver Side
- Replaces: 15135147
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006 Chevrolet Avalanche 2500 | LS, LT | 8 Cyl 8.1 L GAS
View related parts
Chevrolet Avalanche 2500 Front Pipe, Passenger Side Part Number: 15793200
Product Specifications
- Other Name: Converter Assembly-3Way Catalytic (W/Exhaust Manifold P; Exhaust Pipe; Converter, Catalytic Converter; Converter, Exhaust Pipe
- Position: Passenger Side
- Replaces: 15135148
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006 Chevrolet Avalanche 2500 | LS, LT | 8 Cyl 8.1 L GAS
View related parts
Chevrolet Avalanche 2500 Catalytic Converter, Passenger Side Part Number: 15091830
Product Specifications
- Other Name: Converter Assembly-3Way Catalytic (W/Exhaust Manifold P; Exhaust Pipe; Front Pipe; Converter, Catalytic Converter; Converter, Exhaust Pipe
- Position: Passenger Side
- Replaces: 15013591
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006 Chevrolet Avalanche 2500 | LS, LT | 8 Cyl 8.1 L GAS
View related parts
Chevrolet Avalanche 2500 Catalytic Converter, Driver Side Part Number: 15077755
Product Specifications
- Other Name: Converter Assembly-3Way Catalytic (W/Exhaust Manifold P; Exhaust Pipe; Front Pipe; Converter, Catalytic Converter; Converter, Exhaust Pipe
- Position: Driver Side
- Replaces: 15729035
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006 Chevrolet Avalanche 2500 | LS, LT | 8 Cyl 8.1 L GAS
View related parts
Chevrolet Avalanche 2500 Catalytic Converter, Passenger Side Part Number: 15077752
Product Specifications
- Other Name: Converter Assembly-3Way Catalytic (W/Exhaust Manifold P; Exhaust Pipe; Front Pipe; Converter & Pipe; Converter, Catalytic Converter; Converter, Exhaust Pipe
- Position: Passenger Side
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2002-2005 Chevrolet Avalanche 2500 | Base, LS, LT | 8 Cyl 8.1 L GAS
View related parts
Chevrolet Avalanche 2500 Catalytic Converter, Driver Side Part Number: 15077751
Product Specifications
- Other Name: Converter Assembly-3Way Catalytic (W/Exhaust Manifold P; Exhaust Pipe; Front Pipe; Converter & Pipe; Converter, Catalytic Converter; Converter, Exhaust Pipe
- Position: Driver Side
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2002-2005 Chevrolet Avalanche 2500 | Base, LS, LT | 8 Cyl 8.1 L GAS
View related parts
Chevrolet Avalanche 2500 Catalytic Converter Part Number: 15070466
Product Specifications
- Other Name: Converter; Converter, Catalytic Converter; Converter, Exhaust Pipe
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2002 Chevrolet Avalanche 2500 | Base | 8 Cyl 8.1 L GAS
View related parts
Chevrolet Avalanche 2500 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:
- 2002-2005 Chevrolet Avalanche 2500 | Base, LS, LT | 8 Cyl 8.1 L GAS
View related parts
Chevrolet Avalanche 2500 Catalytic Converter Part Number: 19420098
$1829.91 MSRP: $2735.00
You Save: $905.09 (34%)
Product Specifications
- Other Name: Converter Assembly, 3Way Catalytic (W/Exhaust Manifold Pipe) "Kit"; Converter & Pipe; Converter, Catalytic Converter; Converter, Exhaust Pipe
- Replaces: 15782486, 19208464
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006 Chevrolet Avalanche 2500 | LS, LT | 8 Cyl 8.1 L GAS

Chevrolet Avalanche 2500 Catalytic Converter

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Chevrolet Avalanche 2500 Catalytic Converter Parts and Q&A

Catalytic Converter
19418928
Q: How to replace the catalytic converter on 6.01- and 8.11- engines on Chevrolet Avalanche 2500?
A:
To change the Catalytic Converter for 6.01- and 8.11- engines, firstly, raise and support the vehicle. The engine shield bolts and shield if a need arises followed by oil pan skid plate bolts and plate if necessary. Next, remove the Muffler. Remove the connector position assurance (CPA) retainers and the Oxygen Sensor electrical connectors (1, 2). Discard the left exhaust manifold pipe nuts and then remove the Catalytic Converter, sliding the Catalytic Converter hanger off the exhaust pipe hanger bracket. Replace the Catalytic Converter and apply anti-seize compound gm pn 12377953 or equivalent to the threads of the old oxygen sensors and install the ones previously installed, tightening to 42 nm (31 ft. Lbs). Install a new exhaust seal to the exhaust manifold, followed by Catalytic Converter, making sure the hanger slides into the exhaust pipe hanger bracket. Reinstall the left exhaust manifold pipe nuts and tighten them to 50 nm (39 ft. Lbs.) of torque, connect the bank one o2 sensor electrical connectors (1, 2) and the cpa retainers. The Muffler, oil pan skid plate and bolts if necessary must be reinstalled (20 Nm (15 ft. Lbs.)), also the engine shield and bolts if necessary (same force: 20 Nm (15 ft.lbs.)) must be reinstalled. Finally, lower the vehicle.