Genuine 2020 GMC Sierra Catalytic Converter

Cat. Converter

Enter your vehicle info to find more parts and verify fitment

Select Vehicle by VIN
Select Vehicle by Model

Select by VIN

Enter your VIN for the most accurate results.

Select by Model

-- Select Make --

-- Select Model --

-- Select Year --

9 Catalytic Converters found

View related parts
2020 GMC Sierra 3Way Catalytic Convertor Assembly (W/Exhaust Pipe)
Part Number: 84655074
- Other Name: Converter Assembly, 3Way Ctltc(W/Exh Pipe); Catalytic Converter
- Replaced by: 86781749
$1320.74 MSRP: $1979.40
You Save: $658.66 (34%)

Add to Cart
More Info
Fits the following 2020 GMC Sierra Submodels:
CREW CAB 5'8" 1/2 TON, CREW CAB 5'8" BOX 1/2 TON, CREW CAB 6'6" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 1/2 TON, EXTENDED CAB 8' BOX 1/2 TON, REGULAR CAB 6'6" BOX 1/2 TON, REGULAR CAB 8' BOX 1/2 TON | 6 Cyl 4.3L, 8 Cyl 5.3L
Less Info
View related parts
2020 GMC Sierra Converter Assembly, 3Way Ctltc(W/Exh Pipe)
Part Number: 84655075
- Other Name: Catalytic Converter, Converter & Pipe
- Replaces: 84520355, 84557806
$1461.48 MSRP: $2191.67
You Save: $730.19 (34%)

Add to Cart
More Info
Fits the following 2020 GMC Sierra Submodels:
CREW CAB 5'8" BOX 1/2 TON, CREW CAB 6'6" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 1/2 TON | 8 Cyl 6.2L
Less Info
View related parts
2020 GMC Sierra 3Way Catalytic Convertor Assembly (W/Exhaust Pipe)
Part Number: 84653314
- Other Name: Converter Assembly, 3Way Ctltc(W/Exh Pipe); Catalytic Converter, Converter & Pipe
$1952.10 MSRP: $2931.67
You Save: $979.57 (34%)

Add to Cart
More Info
Fits the following 2020 GMC Sierra Submodels:
CREW CAB 1 TON CHASSIS 137.0, CREW CAB 6'6" BOX 1 TON, CREW CAB 6'6" BOX 3/4 TON, CREW CAB 8' BOX 1 TON, CREW CAB 8' BOX 3/4 TON, EXTENDED CAB 6'6" BOX 3/4 TON, EXTENDED CAB 8' BOX 1 TON, EXTENDED CAB 8' BOX 3/4 TON, EXTENDED CREW CAB 1 TON CHASSIS 161.5, REGULAR CAB 1 TON CHASSIS 137.0, REGULAR CAB 1 TON CHASSIS 161.5, REGULAR CAB 8' BOX 1 TON, REGULAR CAB 8' BOX 3/4 TON | 8 Cyl 6.6L
Less Info
View related parts
2020 GMC Sierra NOX Catalytic Converter Assembly (W/ Exh Pipe)
Part Number: 84341182
- Other Name: Converter Assembly, Nox Ctltc (W/ Exh Pipe); Catalytic Converter, Converter & Pipe
$510.55 MSRP: $757.39
You Save: $246.84 (33%)

Add to Cart
More Info
Fits the following 2020 GMC Sierra Submodels:
CREW CAB 1 TON CHASSIS 137.0, CREW CAB 6'6" BOX 1 TON, CREW CAB 6'6" BOX 3/4 TON, CREW CAB 8' BOX 1 TON, CREW CAB 8' BOX 3/4 TON, EXTENDED CAB 6'6" BOX 3/4 TON, EXTENDED CAB 8' BOX 1 TON, EXTENDED CAB 8' BOX 3/4 TON, EXTENDED CREW CAB 1 TON CHASSIS 161.5, REGULAR CAB 1 TON CHASSIS 137.0, REGULAR CAB 1 TON CHASSIS 161.5, REGULAR CAB 8' BOX 1 TON, REGULAR CAB 8' BOX 3/4 TON | 8 Cyl 6.6L Diesel
Less Info
View related parts
2020 GMC Sierra Converter Assembly, Oxidn Ctltc
Part Number: 12705096
- Other Name: Catalytic Converter, Converter
- Replaces: 19420224, 12680277
$699.03 MSRP: $1041.67
You Save: $342.64 (33%)

Add to Cart
More Info
Fits the following 2020 GMC Sierra Submodels:
2500 CREW CAB STANDARD BOX, 2500 REGULAR CAB, 2500 REGULAR CAB STANDARD BOX, 3500 CREW CAB LONG BOX, 3500 CREW CAB ONLY, 3500 CREW CAB STANDARD BOX, 3500 DOUBLE CAB LONG BOX, 3500 REGULAR CAB, CREW CAB 1 TON CHASSIS 137.0, CREW CAB 2500 LONG BOX, CREW CAB 6'6" BOX 1 TON, CREW CAB 6'6" BOX 3/4 TON, CREW CAB 8' BOX 1 TON, CREW CAB 8' BOX 3/4 TON, DOUBLE CAB 2500 LONG BOX, DOUBLE CAB 2500 STANDARD BOX, EXTENDED CAB 6'6" BOX 3/4 TON, EXTENDED CAB 8' BOX 1 TON, EXTENDED CAB 8' BOX 3/4 TON, EXTENDED CREW CAB 1 TON CHASSIS 161.5, REGULAR CAB 1 TON CHASSIS 137.0, REGULAR CAB 1 TON CHASSIS 161.5, REGULAR CAB 8' BOX 1 TON, REGULAR CAB 8' BOX 3/4 TON | 8 Cyl 6.6L Diesel
Less Info
View related parts
2020 GMC Sierra Converter Assembly, Nox Ctltc (W/ Fltr)
Part Number: 12709334
- Replaced by: 40009139
$835.65 MSRP: $1247.73
You Save: $412.08 (34%)

Add to Cart
More Info
Fits the following 2020 GMC Sierra Submodels:
CREW CAB 5'8" 1/2 TON, CREW CAB 5'8" BOX 1/2 TON, CREW CAB 6'6" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 1/2 TON | 6 Cyl 3.0L Diesel
Less Info
View related parts
2020 GMC Sierra 3Way Catalytic Convertor Assembly (W/Exhaust Pipe)
Part Number: 84557807
- Other Name: Converter Assembly, 3Way Ctltc(W/Exh Pipe); Catalytic Converter, Converter & Pipe
- Replaced by: 85542369
$1705.68 MSRP: $2560.00
You Save: $854.32 (34%)

Add to Cart
More Info
Fits the following 2020 GMC Sierra Submodels:
CREW CAB 5'8" 1/2 TON, CREW CAB 5'8" BOX 1/2 TON, CREW CAB 6'6" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 1/2 TON, EXTENDED CAB 8' BOX 1/2 TON, REGULAR CAB 6'6" BOX 1/2 TON, REGULAR CAB 8' BOX 1/2 TON | 8 Cyl5.3L
Less Info
View related parts
2020 GMC Sierra Converter Assembly, Nox Ctltc (W/ Exh Pipe)
Part Number: 84749005
- Other Name: Catalytic Converter, Converter & Pipe
- Replaced by: 85521779
$201.68 MSRP: $290.21
You Save: $88.53 (31%)

Add to Cart
More Info
Fits the following 2020 GMC Sierra Submodels:
CREW CAB 5'8" 1/2 TON, CREW CAB 5'8" BOX 1/2 TON, CREW CAB 6'6" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 1/2 TON | 6 Cyl 3.0L Diesel
Less Info
View related parts
2020 GMC Sierra W/UP 3Way Catalytic Convertor Assembly
Part Number: 12693374
- Other Name: Converter Assembly, W/Up 3Way Ctltc; Catalytic Converter, Converter & Pipe
$699.89 MSRP: $1042.97
You Save: $343.08 (33%)
More Info
Fits the following 2020 GMC Sierra Submodels:
CREW CAB 5'8" 1/2 TON, CREW CAB 5'8" BOX 1/2 TON, CREW CAB 6'6" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 1/2 TON, EXTENDED CAB 8' BOX 1/2 TON, REGULAR CAB 6'6" BOX 1/2 TON, REGULAR CAB 8' BOX 1/2 TON | 4 Cyl 2.7L
Less Info

Related 2020 GMC Sierra Parts

Alternate Year Models

2019 GMC Sierra Catalytic Converter 2021 GMC Sierra Catalytic Converter