How to replace the catalytic converter on 4.81- and 5.31-engine on Chevrolet Suburban 1500?

In order to replace the Catalytic Converter on 4.81- and 5.31- engines the first task to undertake is to raise and support the vehicle. Unbolting then remove the engine shield bolts and shield, and oil pan skid plate bolts and plate if needed. Pull out the Oxygen Sensor connection from the floor reinforcement, remove the clip around the engine harness and air sensor pigtail, and remove the connector position assurance (CPA) retainers and Oxygen Sensor electrical connectors. Disconnect the Oxygen Sensor electrical connectors from the hose clip and transmission crossmember, and remove cpa retainers, and Oxygen Sensor electrical connectors (1, 2). Take off the left and right exhaust manifold pipe nuts, exhaust muffler nuts, and then the Catalytic Converter. In the case of replacing the Catalytic Converter apply anti-seize compound gm p/n 12377953 or equivalent to the threads of the old oxygen sensors; install and tighten to 42 nm (31ft.lbs). Next, then install the catalyticconverter and new exhaust manifold pipe seals to the exhaust manifolds followed by the right and left exhaust manifold pipe nuts, tighten thetop to fifty nm (39 ft.Words). Attach the exhaust muffler nuts and tighten them to 40 nm (30 ft. Lbs.). Connect the Oxygen Sensor electrical connectors (1,2) and the cpa retainers, and attach the oxygen sensors electrical connectors to the hose clip and transmission crossmember. Connect the Oxygen Sensor electrical connectors and the cpa retainers, install the clip through the engine harness and the Oxygen Sensor pigtail and clip the connection of the Oxygen Sensor to the floor reinforcement. Lastly, install the oil pan skid plate and the bolts if needed with a torque of 20 nm (15 ft. Lbs.) followed by the engine shield and bolts if needed with a torque of 20 nm (15 ft. Lbs.); then lower the vehicle.

How to service and repair the catalytic converter on Chevrolet Suburban 1500?

To service and repair the Catalytic Converter, firstly, lift and support the vehicle. First, use a protective shield to unplug the oxygen sensors discuss in the vehicle passenger compartment. Alternatively, after the vehicle has cooled for a sufficient amount of time, detach the heating shields. Next, remove right side exhaust manifolds stud nuts and also left side Exhaust Manifold stud nuts. Take out the nuts from the flange stud nuts in the junction of the rear exhaust system with the Catalytic Converter, and remove the Catalytic Converter. If replacing the Catalytic Converter, move the oxygen sensors accordingly. Start with the installation of the exhaust seals to the exhaust manifolds then the Catalytic Converter. Mount the left side Exhaust Manifold stud nuts and tighten them by 50 nm (39 ft. Lbs.), and then mount the right side Exhaust Manifold stud nuts and tighten them by 50 nm (39 ft. Lbs.). Next, tighten the nuts at the rear pipe flange to 40 nm (30 ft. Lbs.). Connect the electrical connector to the Oxygen Sensor, restore the protective shields where necessary, remove the safety stands lastly lower the vehicle.

OEM Chevrolet Suburban 1500 Catalytic Converter

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14 Catalytic Converters found

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Chevrolet Suburban 1500 Catalytic Converter Part Number: 19420124
$970.06 MSRP: $1443.93
You Save: $473.87 (33%)
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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 Chevrolet Suburban 1500 | LTZ | 8 Cyl 6.0 L GAS
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Chevrolet Suburban 1500 Catalytic Converter Part Number: 19420109
$896.01 MSRP: $1389.07
You Save: $493.06 (36%)
Ships in 1-3 Business Days
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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 Chevrolet Suburban 1500 | LTZ | 8 Cyl 6.0 L GAS
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Chevrolet Suburban 1500 Catalytic Converter Part Number: 19418941
$2154.77 MSRP: $3358.95
You Save: $1204.18 (36%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Converter Assembly, 3Way Catalytic (W/Exhaust Manifold Pipe) "Kit"; Exhaust Pipe; Converter & Pipe; Converter, Catalytic Converter; Converter, Exhaust Pipe
- Replaces: 15905948, 20854454
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2009-2014 Chevrolet Suburban 1500 | LS, LT, LTZ | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
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Chevrolet Suburban 1500 Catalytic Converter Part Number: 19418932
$2573.53 MSRP: $3954.87
You Save: $1381.34 (35%)
Ships in 1-3 Business Days
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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:
- 2007-2008 Chevrolet Suburban 1500 | LS, LT, LTZ | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
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Chevrolet Suburban 1500 Catalytic Converter Part Number: 19418939
$1953.29 MSRP: $3152.45
You Save: $1199.16 (39%)
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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 Suburban 1500 | LS, LT, LTZ | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
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Chevrolet Suburban 1500 Catalytic Converter Part Number: 19418926
$2004.96 MSRP: $3134.37
You Save: $1129.41 (37%)
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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: 15896590, 20854453
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2009-2014 Chevrolet Suburban 1500 | LS, LT, LTZ | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
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Chevrolet Suburban 1500 Catalytic Converter Part Number: 19418958
$1491.20 MSRP: $2236.50
You Save: $745.30 (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:
- 2007-2009 Chevrolet Suburban 1500 | LT, LTZ | 8 Cyl 6.0 L GAS
View related parts
Chevrolet Suburban 1500 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:
- 2009, 2007 Chevrolet Suburban 1500 | LT, LTZ | 8 Cyl 6.0 L GAS
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Chevrolet Suburban 1500 Catalytic Converter, Passenger Side Part Number: 15092757
Product Specifications
- Other Name: Converter Assembly-3Way Catalytic (W/Exhaust Manifold P; Exhaust 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:
- 2007-2008 Chevrolet Suburban 1500 | LT, LTZ | 8 Cyl 6.0 L GAS
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Chevrolet Suburban 1500 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 Suburban 1500 | LS, LT, Z71 | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
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Chevrolet Suburban 1500 Catalytic Converter Part Number: 19420119
$1865.17 MSRP: $2787.94
You Save: $922.77 (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: 20854455, 15896592
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2009 Chevrolet Suburban 1500 | LT, LTZ | 8 Cyl 6.0 L GAS
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Chevrolet Suburban 1500 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:
- 2003-2006, 2000-2001 Chevrolet Suburban 1500 | Base, LS, LT, Z71 | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
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Chevrolet Suburban 1500 Catalytic Converter, Driver Side Part Number: 15092758
$1044.92 MSRP: $1556.33
You Save: $511.41 (33%)
Product Specifications
- Other Name: Converter Assembly-3Way Catalytic (W/Exhaust Manifold P; Exhaust 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:
- 2007-2008 Chevrolet Suburban 1500 | LT, LTZ | 8 Cyl 6.0 L GAS
View related parts
Chevrolet Suburban 1500 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 Suburban 1500 | Base, LS, LT, Z71 | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS

Chevrolet Suburban 1500 Catalytic Converter

Want to cut long-term maintenance and repair costs? Choose OEM Catalytic Converter. Those parts deliver top durability you can trust. On our site, you'll find a huge catalog of genuine Chevrolet Suburban 1500 parts. Prices are unbeatable, so you can keep more in your pocket. Every OEM Chevrolet Suburban 1500 Catalytic Converter includes a manufacturer's warranty. You can also get an easy return policy that keeps buying risk free. Fast delivery, get your car on the road quickly. It's simple to search, compare, and order. Stop guessing about quality or fit. Order today and save with parts that last.

Chevrolet Suburban 1500 Catalytic Converter Parts and Q&A

Catalytic Converter
15079086
Q: How to replace the catalytic converter on 4.81- and 5.31-engine on Chevrolet Suburban 1500?
A:
In order to replace the Catalytic Converter on 4.81- and 5.31- engines the first task to undertake is to raise and support the vehicle. Unbolting then remove the engine shield bolts and shield, and oil pan skid plate bolts and plate if needed. Pull out the Oxygen Sensor connection from the floor reinforcement, remove the clip around the engine harness and air sensor pigtail, and remove the connector position assurance (CPA) retainers and Oxygen Sensor electrical connectors. Disconnect the Oxygen Sensor electrical connectors from the hose clip and transmission crossmember, and remove cpa retainers, and Oxygen Sensor electrical connectors (1, 2). Take off the left and right exhaust manifold pipe nuts, exhaust muffler nuts, and then the Catalytic Converter. In the case of replacing the Catalytic Converter apply anti-seize compound gm p/n 12377953 or equivalent to the threads of the old oxygen sensors; install and tighten to 42 nm (31ft.lbs). Next, then install the catalyticconverter and new exhaust manifold pipe seals to the exhaust manifolds followed by the right and left exhaust manifold pipe nuts, tighten thetop to fifty nm (39 ft.Words). Attach the exhaust muffler nuts and tighten them to 40 nm (30 ft. Lbs.). Connect the Oxygen Sensor electrical connectors (1,2) and the cpa retainers, and attach the oxygen sensors electrical connectors to the hose clip and transmission crossmember. Connect the Oxygen Sensor electrical connectors and the cpa retainers, install the clip through the engine harness and the Oxygen Sensor pigtail and clip the connection of the Oxygen Sensor to the floor reinforcement. Lastly, install the oil pan skid plate and the bolts if needed with a torque of 20 nm (15 ft. Lbs.) followed by the engine shield and bolts if needed with a torque of 20 nm (15 ft. Lbs.); then lower the vehicle.
Catalytic Converter
19418928
Q: How to service and repair the catalytic converter on Chevrolet Suburban 1500?
A:
To service and repair the Catalytic Converter, firstly, lift and support the vehicle. First, use a protective shield to unplug the Oxygen Sensors discuss in the vehicle passenger compartment. Alternatively, after the vehicle has cooled for a sufficient amount of time, detach the heating shields. Next, remove right side Exhaust Manifolds stud nuts and also left side Exhaust Manifold stud nuts. Take out the nuts from the flange stud nuts in the junction of the rear exhaust system with the Catalytic Converter, and remove the Catalytic Converter. If replacing the Catalytic Converter, move the oxygen sensors accordingly. Start with the installation of the exhaust seals to the exhaust manifolds then the Catalytic Converter. Mount the left side Exhaust Manifold stud nuts and tighten them by 50 nm (39 ft. Lbs.), and then mount the right side Exhaust Manifold stud nuts and tighten them by 50 nm (39 ft. Lbs.). Next, tighten the nuts at the rear pipe flange to 40 nm (30 ft. Lbs.). Connect the electrical connector to the Oxygen Sensor, restore the protective shields where necessary, remove the safety stands lastly lower the vehicle.