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Catalytic Converters
GMC
Sierra
2021 GMC Sierra
Catalytic Converters & Components
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2.7L
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Performance
High-performance upgrades for maximum power
Replacement
OEM-quality replacement components
MagnaFlow® - OEM Grade Direct Fit Catalytic Converter
16
# 6473756398
$737.00 - $1,060.00
Davico® - Direct Fit Catalytic Converter
12
# 6930959337
$478.28 - $854.32
Walker® - CalCat™ Universal Fit Round Body Catalytic Converter
82
# 6736231506
$668.78
Walker® - Ultra™ Direct Fit Round Body Catalytic Converter
13
# 6736459992
$816.86 - $1,098.80
AP Exhaust® - Direct Fit Catalytic Converter
15
# 6334542488
$477.87 - $1,147.35
AB Catalytic® - Direct Fit Catalytic Converter
0
# 6736448486
$390.50
CATCO® - Direct Fit Catalytic Converter
6
# mpn5277322287
$884.56
Eastern Catalytic® 50628 - Direct Fit Catalytic Converter
28
# 6401299566
$474.41
Eastern Catalytic® - ECO GM Direct Fit Catalytic Converter
28
# mpn5015435108
$655.65
ACDelco® - Genuine GM Parts™ Catalytic Converter Gasket
0
# 4902171854
$0.66 - $11.00
ACDelco® - Genuine GM Parts™ Direct Fit Catalytic Converter
0
# 6793259414
$333.80 - $1,337.60
ACDelco® - Genuine GM Parts™ Direct Fit Diesel Particulate Filter
0
# 6793191410
$1,202.24 - $1,391.28
