How to replace the catalytic converter on 4.3L, 4.8L, and 5.3L engines on Chevrolet Silverado 1500?

To replace the Catalytic Converter on 4.3l, 4.8l, and 5.3l, he should first raise and support the vehicle first. Unclip and disconnect the Oxygen Sensor connection as well as all electrical connectors, then remove the Oxygen Sensor clips and connect position assurance (CPA) retainers. Unclip the Oxygen Sensor electrical connectors from the hose clip and transmission crossmember, and removal remaining connectors. Take off the left exhaust manifold pipe nuts and the right ones, exhaust muffler ones, and then extract the Catalytic Converter. Remove the sensors if required. For installation, if necessary install the oxygen sensors with the use of an anti-seize gm p/n 12377953 or similar to its threads and tighten to 42nm (31 ft. Lbs.). Then there is the Catalytic Converter and new exhaust manifold pipe nuts of which you snugged the exhaust manifold pipe nuts of the right and left then tightened to 50 nm (39 ft. Lbs.). Install the exhaust muffler nuts and tighten them at a torque of 40 nm (30 ft. Lbs.). Reconnect the Oxygen Sensor electrical connectors and cpa retainers and clip the connectors to the hose clip and transmission crossmember and make sure all the connections are secure. Lastly, fasten the clip to the Oxygen Sensor pigtail and engine harness, reconnect the Oxygen Sensor electrical connector, clip the Oxygen Sensor connection to floor reinforcement if available, and drop the vehicle.

OEM Chevrolet Silverado 1500 Catalytic Converter

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35 Catalytic Converters found

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Chevrolet Silverado 1500 Catalytic Converter Part Number: 22940415
$1887.92 MSRP: $2834.87
You Save: $946.95 (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:
- 2010-2013 Chevrolet Silverado 1500 | Hybrid, LS, LT, LTZ, WT, XFE | 8 Cyl 4.8 L FLEX, 8 Cyl 5.3 L FLEX, 8 Cyl 6.0 L FULL HYBRID EV-FLEX (FHEV), 8 Cyl 6.2 L FLEX
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Chevrolet Silverado 1500 Catalytic Converter Part Number: 19418958
$1491.20 MSRP: $2236.50
You Save: $745.30 (34%)
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: 20854457, 25904626, 25904629
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2009-2010 Chevrolet Silverado 1500 | LT, LTZ | 8 Cyl 6.2 L FLEX
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Chevrolet Silverado 1500 Catalytic Converter Part Number: 19418955
$1345.72 MSRP: $2092.83
You Save: $747.11 (36%)
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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: 25904630
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2007-2008 Chevrolet Silverado 1500 | WT | 6 Cyl 4.3 L GAS
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Chevrolet Silverado 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 Silverado 1500 | LS, LT, LTZ, WT | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
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Chevrolet Silverado 1500 Catalytic Converter Part Number: 19418926
$2004.96 MSRP: $3134.37
You Save: $1129.41 (37%)
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:
- 2009-2013 Chevrolet Silverado 1500 | Hybrid, LS, LT, LTZ, WT, XFE | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L FLEX, 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), 8 Cyl 6.0 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L FLEX
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Chevrolet Silverado 1500 Catalytic Converter Part Number: 19420265
$1903.30 MSRP: $2965.42
You Save: $1062.12 (36%)
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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:
- 2015-2018 Chevrolet Silverado 1500 | High Country, LTZ | 8 Cyl 6.2 L GAS
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Chevrolet Silverado 1500 Catalytic Converter Part Number: 85542369
$1030.83 MSRP: $1542.13
You Save: $511.30 (34%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Converter, Catalytic Converter; Converter & Pipe
- Replaces: 84557807, 84655076
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2019-2021 Chevrolet Silverado 1500 | Custom, Custom Trail Boss, SSV, WT | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
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Chevrolet Silverado 1500 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:
- 2014-2018 Chevrolet Silverado 1500 | Custom, High Country, LS, LT, LTZ, SSV, WT | 6 Cyl 4.3 L FLEX, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 5.3 L MILD HYBRID EV-GAS (MHEV), 8 Cyl 6.2 L GAS
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Chevrolet Silverado 1500 Catalytic Converter Part Number: 19420284
$2133.29 MSRP: $3325.33
You Save: $1192.04 (36%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Converter Assembly, 3Way Catalytic (W/Exhaust Pipe); Converter & Pipe; Converter, Catalytic Converter; Exhaust Pipe
- Replaces: 22948166
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2014-2018 Chevrolet Silverado 1500 | High Country, LTZ | 8 Cyl 6.2 L GAS
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Chevrolet Silverado 1500 Three-Way Catalytic Converter with Exhaust Pipe Part Number: 19420288
$1909.68 MSRP: $2975.40
You Save: $1065.72 (36%)
ADD TO CART
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:
- 2016-2019 Chevrolet Silverado 1500 | Custom, Custom Trail Boss, High Country, LS, LT, LT Trail Boss, LTZ, RST, SSV, WT | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 5.3 L MILD HYBRID EV-GAS (MHEV), 8 Cyl 6.2 L GAS
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Chevrolet Silverado 1500 Catalytic Converter Part Number: 19418941
$2154.77 MSRP: $3358.95
You Save: $1204.18 (36%)
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: 15905948, 20854454
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2009-2013 Chevrolet Silverado 1500 | Hybrid, LS, LT, LTZ, WT, XFE | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L FLEX, 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), 8 Cyl 6.0 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L FLEX
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Chevrolet Silverado 1500 Catalytic Converter Part Number: 19420291
$2093.86 MSRP: $3145.48
You Save: $1051.62 (34%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Converter Assembly, 3Way Catalytic (W/Exhaust Pipe); Converter & Pipe; Converter, Catalytic Converter
- Replaces: 23492619, 84362282
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2016-2018 Chevrolet Silverado 1500 | Custom, High Country, LS, LT, LTZ, SSV, WT | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 5.3 L MILD HYBRID EV-GAS (MHEV), 8 Cyl 6.2 L GAS
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Chevrolet Silverado 1500 Catalytic Converter Part Number: 19418932
$2573.53 MSRP: $3954.87
You Save: $1381.34 (35%)
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:
- 2007-2010 Chevrolet Silverado 1500 | Hybrid, LS, LT, LTZ, WT | 6 Cyl 4.3 L GAS, 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), 8 Cyl 6.0 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 6.0 L GAS
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Chevrolet Silverado 1500 Catalytic Converter Part Number: 40009139
$1020.15 MSRP: $1583.33
You Save: $563.18 (36%)
ADD TO CART
Product Specifications
- Other Name: Converter Assembly-Nitrogen Oxide Catalytic (W/Filter); Diesel Particulate Filter; Converter, Catalytic Converter
- Replaces: 12696443, 12709334, 12700216, 12698485, 12694479, 40009042
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2020-2023 Chevrolet Silverado 1500 | Custom, Custom Trail Boss, High Country, LT, LT Trail Boss, LTZ, PPV, RST, WT, ZR2 | 4 Cyl 2.7 L GAS, 6 Cyl 3.0 L DIESEL, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L GAS
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Chevrolet Silverado 1500 Catalytic Converter Part Number: 84655075
$954.89 MSRP: $1421.15
You Save: $466.26 (33%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Converter, Catalytic Converter; Exhaust Pipe; Converter & Pipe
- Replaces: 84557806, 84520355
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2019-2021 Chevrolet Silverado 1500 | Custom Trail Boss, High Country, LT Trail Boss, LTZ, RST | 8 Cyl 6.2 L GAS
View related parts
Chevrolet Silverado 1500 Catalytic Converter Part Number: 85542368
$1122.20 MSRP: $1743.03
You Save: $620.83 (36%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Converter, Catalytic Converter; Converter & Pipe
- Replaced by: 86781749
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2019-2023 Chevrolet Silverado 1500 | Custom, Custom Trail Boss, High Country, LT, LT Trail Boss, LTZ, PPV, RST, SSV, WT | 6 Cyl 4.3 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
View related parts
Chevrolet Silverado 1500 Catalytic Converter Part Number: 40009042
$1020.15 MSRP: $1583.33
You Save: $563.18 (36%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Converter Assembly-Nitrogen Oxide Catalytic (W/Filter); Diesel Particulate Filter; Converter Shield; Converter, Catalytic Converter
- Replaced by: 40009139
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2020-2022 Chevrolet Silverado 1500 | Custom Trail Boss, High Country, LT, LT Trail Boss, LTZ, RST | 6 Cyl 3.0 L DIESEL
View related parts
Chevrolet Silverado 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:
- 2006-2007 Chevrolet Silverado 1500 | Hybrid, LS, LT, LTZ, WT | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 5.3 L GAS
View related parts
Chevrolet Silverado 1500 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:
- 2010-2013 Chevrolet Silverado 1500 | Hybrid, LS, LT, LTZ, WT, XFE | 8 Cyl 4.8 L FLEX, 8 Cyl 5.3 L FLEX, 8 Cyl 6.0 L FULL HYBRID EV-FLEX (FHEV), 8 Cyl 6.2 L FLEX
View related parts
Chevrolet Silverado 1500 Catalytic Converter Part Number: 23462199
$1519.40 MSRP: $2268.77
You Save: $749.37 (34%)
Product Specifications
- Other Name: Converter, Catalytic Converter; Exhaust Pipe; Converter & Pipe
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2016-2018 Chevrolet Silverado 1500 | Custom, High Country, LS, LT, LTZ, SSV, WT | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 5.3 L MILD HYBRID EV-GAS (MHEV), 8 Cyl 6.2 L GAS

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Chevrolet Silverado 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 Silverado 1500 parts. Prices are unbeatable, so you can keep more in your pocket. Every OEM Chevrolet Silverado 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 Silverado 1500 Catalytic Converter Parts and Q&A

Catalytic Converter
19418928
Q: How to replace the catalytic converter on 4.3L, 4.8L, and 5.3L engines on Chevrolet Silverado 1500?
A:
To replace the Catalytic Converter on 4.3l, 4.8l, and 5.3l, he should first raise and support the vehicle first. Unclip and disconnect the Oxygen Sensor connection as well as all electrical connectors, then remove the Oxygen Sensor clips and connect position assurance (CPA) retainers. Unclip the Oxygen Sensor electrical connectors from the hose clip and transmission crossmember, and removal remaining connectors. Take off the left exhaust manifold pipe nuts and the right ones, exhaust muffler ones, and then extract the Catalytic Converter. Remove the sensors if required. For installation, if necessary install the oxygen sensors with the use of an anti-seize gm p/n 12377953 or similar to its threads and tighten to 42nm (31 ft. Lbs.). Then there is the Catalytic Converter and new exhaust manifold pipe nuts of which you snugged the exhaust manifold pipe nuts of the right and left then tightened to 50 nm (39 ft. Lbs.). Install the exhaust muffler nuts and tighten them at a torque of 40 nm (30 ft. Lbs.). Reconnect the Oxygen Sensor electrical connectors and cpa retainers and clip the connectors to the hose clip and transmission crossmember and make sure all the connections are secure. Lastly, fasten the clip to the Oxygen Sensor pigtail and engine harness, reconnect the Oxygen Sensor electrical connector, clip the Oxygen Sensor connection to floor reinforcement if available, and drop the vehicle.