Exhaust for 2004 GMC Sierra 2500
Select Exhaust part
Heated Oxygen Sensor
ACDelco
213-3867
GM Genuine Parts Oxygen (O2) Sensors are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These...
Positions: Downstream Right
Fits Your Vehicle
Passenger Side Exhaust Manifold
GM
12677665
Helps direct exhaust away from your vehicle's engine combustion chamber
This GM Genuine Part is designed, engineered, and tested to...
$232.22
MSRP $372.05
Save $139.83
37.6% Off 
Exhaust Gasket
ACDelco
15036012
GM Genuine Parts Multi-Purpose Gasket are designed, engineered, and tested to rigorous standards, and are backed by General Motors. GM...
Fits Your Vehicle
Driver Side Exhaust Manifold
ACDelco
12616285
GM Genuine Parts Exhaust Manifolds are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These...
Positions: Left
Fits Your Vehicle
Multi-Purpose Wiring Connector
ACDelco
PT248
ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended...
Fits Your Vehicle
Heated Oxygen Sensor
ACDelco
213-1149
GM Genuine Parts Oxygen (O2) Sensors are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These...
Positions: Downstream Left
Fits Your Vehicle
Wiring Pigtail
ACDelco
PT3836
ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended...
Fits Your Vehicle
Driver Side Exhaust Manifold Heat Shield
GM
12562243
6.0L gas. 1/2 ton. 2003-14, 5.3L. 5.3L gas. 3/4 & 1 ton. 4.8L. This GM Genuine Part is designed, engineered, and tested to rigorous...
$66.97
MSRP $100.55
Save $33.58
33.4% Off 
Driver Side 3-Way Catalytic Converter with Pipes, Flanges, Bushings, Hanger, and Label
GM
15077751
Silverado, sierra. 6.0l. Left. Without heavy duty. Suburban, Yukon XL. 8.1l. With silverado, sierra. Crew cab. 153 wheelbase. Without...
Catalytic Converter
GM
19420127
Federal. Left. Code ybp. All models. 6.0l. 3/4 & 1 ton. 8.1L gas.
Acdelco™ Oxygen Sensor
GM
2131161
All models. 6.0l. All models. 8.1l. Right. All models. 4.8l. All models. 4.3l. Rear, 8.1l. Silverado, sierra. 5.3l. 6.0L, front of...
Positions: Downstream
Fits Your Vehicle
Automatic Transmission Torque Converter, Remanufactured
GM
24217235
Torque Converters Performance-matched torque converters from GM Performance Parts. 24217235 NEW SuperMatic(TM) 4L85-E Torque Converter....
Fits Your Vehicle
Exhaust Muffler Assembly with 3-Way Catalytic Converter, Pipes, Flanges, Bushing, Hangers, Clamp, and Label
GM
15798946
Has the necessary components to service your vehicle's exhaust muffler
Helps diminish the amount of noise emitted by your vehicle's...
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