How to replace the left exhaust manifold on GMC C3500?

To remove the left Exhaust Manifold remove the Exhaust Pipe from Exhaust Manifold, disconnect the Oxygen Sensor electrical connector and egr valve pipe from Exhaust Manifold. Then unscrew the Exhaust Manifold bolts and remove the Exhaust Manifold making sure to clean all sealing surfaces. To install, place the Exhaust Manifold and attach egr valve pipe to it then tighten the egr valve pipe nut. Lastly add the Exhaust Pipe to the Exhaust Manifold while observing the necessary precautions for fasteners.

How to replace the right exhaust manifold on GMC C3500?

The first step to replace an Exhaust Manifold is to remove the Exhaust Pipe from it. After disconnecting the sensor's wire, take out the air cleaner assembly. After that, take out the bolts on the oil level indicator tube and the Exhaust Manifold before removing the manifold. Prepare all the areas intended for sealing by wiping them down. You should begin the installation process by fitting the Exhaust Manifold, always following necessary fastening advice. After that, put in the oil level indicator tube and assemble the air cleaner. After that, fasten the Exhaust Pipe to the Exhaust Manifold.

OEM GMC C3500 Exhaust Manifold

Engine Exhaust Manifold

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25 Exhaust Manifolds found

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GMC C3500 Exhaust Manifold, Driver Side Part Number: 14022657
$313.06 MSRP: $464.71
You Save: $151.65 (33%)
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Product Specifications
- Other Name: Manifold, Engine Exhaust Manifold; Manifold
- Position: Driver Side
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1988-1990, 1984-1986 GMC C3500 | Base, High Sierra, Sierra, Sierra Classic, Sierra SLE, Sierra SLX | 8 Cyl 6.2 L DIESEL
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GMC C3500 Exhaust Manifold, Driver Side Part Number: 10045317
$6.75 MSRP: $12.07
You Save: $5.32 (45%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Manifold, Engine Exhaust Manifold; Manifold
- Position: Driver Side
- Replaced by: 19369733
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1988-1994 GMC C3500 | Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 8 Cyl 5.7 L GAS
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GMC C3500 Exhaust Manifold, Driver Side Part Number: 12557359
$131.78 MSRP: $195.61
You Save: $63.83 (33%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Manifold, Engine Exhaust Manifold; Manifold
- Position: Driver Side
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1988-2000 GMC C3500 | Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL
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GMC C3500 Exhaust Manifold, Driver Side Part Number: 12553149
Product Specifications
- Other Name: Manifold, Engine Exhaust Manifold; Manifold
- Position: Driver Side
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996-2000 GMC C3500 | Sierra SL, Sierra SLE, Sierra SLT | 8 Cyl 7.4 L GAS
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GMC C3500 Exhaust Manifold, Driver Side Part Number: 12551445
Product Specifications
- Other Name: Manifold, Engine Exhaust Manifold
- Position: Driver Side
- Replaces: 10045731
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1988-1995 GMC C3500 | Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 8 Cyl 7.4 L GAS
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GMC C3500 Exhaust Manifold, Passenger Side Part Number: 12553146
Product Specifications
- Other Name: Manifold, Engine Exhaust Manifold; Manifold
- Position: Passenger Side
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996-2000 GMC C3500 | Sierra SL, Sierra SLE, Sierra SLT | 8 Cyl 7.4 L GAS
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GMC C3500 Exhaust Manifold, Driver Side Part Number: 14079295
Product Specifications
- Other Name: Manifold, Engine Exhaust Manifold; Manifold
- Position: Driver Side
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1985-1986 GMC C3500 | Base, High Sierra, Sierra Classic | 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS
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GMC C3500 Exhaust Manifold, Driver Side Part Number: 411961
Product Specifications
- Other Name: Manifold, Exhaust; Manifold
- Position: Driver Side
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1984-1986 GMC C3500 | Base, High Sierra, Sierra Classic | 8 Cyl 5.7 L GAS
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GMC C3500 Manifold, Driver Side Part Number: 12551444
Product Specifications
- Other Name: Manifold, Engine Exhaust Manifold; Exhaust Manifold
- Position: Driver Side
- Replaces: 14103191
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1984-1985 GMC C3500 | Base, High Sierra, Sierra Classic | 8 Cyl 7.4 L GAS
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GMC C3500 Exhaust Manifold Part Number: 14103191
Product Specifications
- Other Name: Manifold, Engine Exhaust Manifold
- Position: Driver Side
- Replaced by: 12551444
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1984 GMC C3500 | Base, High Sierra, Sierra Classic | 8 Cyl 7.4 L GAS
View related parts
GMC C3500 Manifold, Passenger Side Part Number: 14048362
Product Specifications
- Other Name: Manifold, Engine Exhaust Manifold; Exhaust Manifold
- Position: Passenger Side
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1984-1985 GMC C3500 | Base, High Sierra, Sierra Classic | 8 Cyl 7.4 L GAS
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GMC C3500 Exhaust Manifold, Passenger Side Part Number: 12556476
Product Specifications
- Other Name: Manifold, Engine Exhaust Manifold; Manifold
- Position: Passenger Side
- Replaces: 10149624
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1992-2000 GMC C3500 | Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 8 Cyl 6.5 L DIESEL
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GMC C3500 Manifold, Passenger Side Part Number: 14085780
Product Specifications
- Other Name: Manifold, Engine Exhaust Manifold; Exhaust Manifold
- Position: Passenger Side
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1986 GMC C3500 | Base, High Sierra, Sierra Classic | 8 Cyl 7.4 L GAS
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GMC C3500 Manifold, Driver Side Part Number: 14084379
Product Specifications
- Other Name: Manifold, Engine Exhaust Manifold; Exhaust Manifold
- Position: Driver Side
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1986 GMC C3500 | Base, High Sierra, Sierra Classic | 8 Cyl 7.4 L GAS
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GMC C3500 Exhaust Manifold, Passenger Side Part Number: 12523197
Product Specifications
- Other Name: Manifold, Engine Exhaust Manifold
- Position: Passenger Side
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1988-1995 GMC C3500 | Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 8 Cyl 7.4 L GAS
View related parts
GMC C3500 Exhaust Manifold, Driver Side Part Number: 10230859
Product Specifications
- Other Name: Manifold, Engine Exhaust Manifold
- Position: Driver Side
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1997-1999 GMC C3500 | Sierra SL, Sierra SLE, Sierra SLT | 8 Cyl 7.4 L GAS
View related parts
GMC C3500 Exhaust Manifold, Passenger Side Part Number: 14079296
Product Specifications
- Other Name: Manifold, Engine Exhaust Manifold; Manifold
- Position: Passenger Side
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1985-1986 GMC C3500 | Base, High Sierra, Sierra Classic | 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS
View related parts
GMC C3500 Exhaust Manifold, Passenger Side Part Number: 12554973
Product Specifications
- Other Name: Manifold, Engine Exhaust Manifold; Manifold
- Position: Passenger Side
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996-2000 GMC C3500 | Sierra SL, Sierra SLE, Sierra SLT | 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS
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GMC C3500 Exhaust Manifold, Driver Side Part Number: 14050233
Product Specifications
- Other Name: Manifold, Engine Exhaust Manifold; Manifold
- Position: Driver Side
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1984 GMC C3500 | Base | 8 Cyl 5.7 L GAS
View related parts
GMC C3500 Exhaust Manifold, Driver Side Part Number: 12557828
Product Specifications
- Other Name: Manifold, Engine Exhaust Manifold; Manifold
- Position: Driver Side
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996-2000 GMC C3500 | Sierra SL, Sierra SLE, Sierra SLT | 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS

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GMC C3500 Exhaust Manifold

Want to cut long-term maintenance and repair costs? Choose OEM Exhaust Manifold. Those parts deliver top durability you can trust. On our site, you'll find a huge catalog of genuine GMC C3500 parts. Prices are unbeatable, so you can keep more in your pocket. Every OEM GMC C3500 Exhaust Manifold 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.

This part is called the GMC C3500 Exhaust Manifold, and it is an extremely important part enjoyed for efficiency and quality, existent for the sake of well functioning of the car. Located on the engine, the Exhaust Manifold is intended to lead hot mixtures of gaseous products of combustion away from the powering engine and to minimize intake reversion as well as dangerous and toxic emissions. Available for the different GMC C3500 models, this Exhaust Manifold is perfectly compatible with the engine block and, depending on the number of cylinders of the engine in question, can be of different designs. Due to this flexibility, the GMC C3500 benefits from greater efficiency in its design and function with regard to the manner in which exhaust fumes are expelled and the better overall performance of the vehicle's engine. Exhaust Manifold that has been constructed of high quality materials last for years and prove that can be used for daily driving as well as for professional work with commercial vehicle such GMC C3500. Most importantly, the flow resistance by the Exhaust Manifold is quite low the exhaust gas velocity is quite high making it unique in the automotive market while boosting power and fuel economy. Also, GMC C3500 Exhaust Manifold features offer less transfer of heat to the engine compartment, which enhances safety and durability. All in all, the GMC C3500 Exhaust Manifold proves the company's pursuit of quality and guaranteeing that those who own the GMC C3500 can rely on the automobile for numerous driving situations and environment.

GMC C3500 Exhaust Manifold Parts and Q&A

Exhaust Manifold, Driver Side
12557359
Q: How to replace the left exhaust manifold on GMC C3500?
A:
To remove the left Exhaust Manifold remove the Exhaust Pipe from Exhaust Manifold, disconnect the Oxygen Sensor electrical connector and egr valve pipe from Exhaust Manifold. Then unscrew the Exhaust Manifold bolts and remove the Exhaust Manifold making sure to clean all sealing surfaces. To install, place the Exhaust Manifold and attach egr valve pipe to it then tighten the egr valve pipe nut. Lastly add the Exhaust Pipe to the Exhaust Manifold while observing the necessary precautions for fasteners.
Exhaust Manifold, Passenger Side
12553146
Q: How to replace the right exhaust manifold on GMC C3500?
A:
The first step to replace an Exhaust Manifold is to remove the Exhaust Pipe from it. After disconnecting the sensor's wire, take out the air cleaner assembly. After that, take out the bolts on the oil level indicator tube and the Exhaust Manifold before removing the manifold. Prepare all the areas intended for sealing by wiping them down. You should begin the installation process by fitting the Exhaust Manifold, always following necessary fastening advice. After that, put in the oil level indicator tube and assemble the air cleaner. After that, fasten the Exhaust Pipe to the Exhaust Manifold.