How to service and repair the catalytic converter on GMC C2500?

Service and repair of the Catalytic Converter requires raising the vehicle and providing support. First remove protective shields if needed before proceeding to remove the rear exhaust system. Begin by disconnecting the electrical connector from the Oxygen Sensor before removing the left Exhaust Manifold nuts for extractor of the left side Catalytic Converter. Transfer the oxygen sensors when replacing the Catalytic Converter. Start by installing new exhaust seals to the Exhaust Manifold before installing the left side Catalytic Converter. Mount new nuts onto the left side Exhaust Manifold before tightening them to 50 nm (39 ft. Lbs.). Attach the Oxygen Sensor electrical connector before reassemble the rear exhaust system. Complete the process by taking off safety stands while lowering the vehicle.

OEM GMC C2500 Catalytic Converter

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19 Catalytic Converters found

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GMC C2500 Front Pipe Part Number: 25312170
Product Specifications
- Other Name: Converter, Catalytic Converter; Exhaust Pipe; Converter, Exhaust Pipe
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1998 GMC C2500 | Sierra SL, Sierra SLE, Sierra SLT | 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS
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GMC C2500 Catalytic Converter Part Number: 25104273
Product Specifications
- Other Name: Converter, Catalytic Converter; Converter
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1988-1991 GMC C2500 | Sierra, Sierra SLE, Sierra SLX | 6 Cyl 4.3 L GAS
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GMC C2500 Catalytic Converter Part Number: 25101899
Product Specifications
- Other Name: Converter, Catalytic Converter
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1988-1990 GMC C2500 | Sierra, Sierra SLE, Sierra SLX | 8 Cyl 5.0 L GAS
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GMC C2500 Catalytic Converter Part Number: 25056778
Product Specifications
- Other Name: Converter, Catalytic Converter; Converter
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1984-1986 GMC C2500 | Base, High Sierra, Sierra Classic | 6 Cyl 4.1 L GAS, 6 Cyl 4.3 L GAS, 6 Cyl 4.8 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS
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GMC C2500 Catalytic Converter Part Number: 15991751
Product Specifications
- Other Name: Converter, Catalytic Converter; Converter, Exhaust Pipe
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1997-2000 GMC C2500 | Sierra SL, Sierra SLE, Sierra SLT | 8 Cyl 6.5 L DIESEL
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GMC C2500 Catalytic Converter Part Number: 15975251
Product Specifications
- Other Name: Converter
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996 GMC C2500 | Sierra SL, Sierra SLE, Sierra SLT | 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS
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GMC C2500 Catalytic Converter Part Number: 15733229
Product Specifications
- Other Name: Converter Assembly-Catalytic (W/Exhaust Manifold Pipe T; Converter, Catalytic Converter; Converter, Exhaust Pipe
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1998-2000 GMC C2500 | Sierra SL, Sierra SLE, Sierra SLT | 8 Cyl 7.4 L GAS
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GMC C2500 Catalytic Converter Part Number: 12547190
Product Specifications
- Other Name: Converter, Catalytic Converter
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1991-1995 GMC C2500 | Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 8 Cyl 7.4 L GAS
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GMC C2500 Catalytic Converter Part Number: 88968527
Product Specifications
- Other Name: Converter, Catalytic Converter; Converter
- Replaces: 25131438, 25130001, 25130005, 25143420
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1988-1995 GMC C2500 | Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS
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GMC C2500 Converter Part Number: 25312171
Product Specifications
- Other Name: Converter, Catalytic Converter; Converter, Exhaust Pipe; Catalytic Converter
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1998-1999 GMC C2500 | Sierra SL, Sierra SLE, Sierra SLT | 8 Cyl 5.0 L GAS
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GMC C2500 Catalytic Converter Part Number: 25170656
Product Specifications
- Other Name: Converter, 3Way Catalytic; Converter; Converter, Catalytic Converter; Converter, Exhaust Pipe
- Position: Rear
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996-1997 GMC C2500 | Sierra SL, Sierra SLE, Sierra SLT | 8 Cyl 5.0 L GAS
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GMC C2500 Catalytic Converter Part Number: 25170655
Product Specifications
- Other Name: Converter, 3Way Catalytic; Exhaust Pipe; Front Pipe; Converter, Catalytic Converter; Converter, Exhaust Pipe
- Position: Rear
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996-1997 GMC C2500 | Sierra SL, Sierra SLE, Sierra SLT | 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS
View related parts
GMC C2500 Converter Part Number: 25145198
Product Specifications
- Other Name: Converter Assembly-3Way Catalytic (W/Exhaust Manifold P; Catalytic Converter; Converter, Catalytic Converter; Converter, Exhaust Pipe
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1995 GMC C2500 | Sierra SL, Sierra SLE, Sierra SLT | 8 Cyl 5.0 L GAS
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GMC C2500 Catalytic Converter Part Number: 25143439
Product Specifications
- Other Name: Converter, Catalytic Converter; Converter
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1988-1995 GMC C2500 | Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 8 Cyl 5.0 L GAS
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GMC C2500 Catalytic Converter Part Number: 25131614
Product Specifications
- Other Name: Converter, Catalytic Converter; Converter
- Replaces: 25104275
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1988-1995 GMC C2500 | Sierra, Sierra SL, Sierra SLE, Sierra SLX | 6 Cyl 4.3 L GAS
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GMC C2500 Converter Part Number: 15991752
Product Specifications
- Other Name: Converter, Catalytic Converter; Converter, Exhaust Pipe; Catalytic Converter
- Replaces: 25144421
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1997-2000 GMC C2500 | Sierra SL, Sierra SLE, Sierra SLT | 8 Cyl 6.5 L DIESEL
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GMC C2500 Catalytic Converter Part Number: 15733231
Product Specifications
- Other Name: Converter Assembly-Catalytic (W/Exhaust Manifold Pipe T; Converter; Converter, Catalytic Converter; Converter, Exhaust Pipe
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1997-2000 GMC C2500 | Sierra SL, Sierra SLE, Sierra SLT | 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS
View related parts
GMC C2500 Converter & Pipe Part Number: 15733230
Product Specifications
- Other Name: Converter Assembly-Catalytic (W/Exhaust Manifold Pipe T; Catalytic Converter; Exhaust Pipe; Converter; Converter, Catalytic Converter; Converter, Exhaust Pipe
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996-2000 GMC C2500 | Sierra SL, Sierra SLE, Sierra SLT | 8 Cyl 7.4 L GAS
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GMC C2500 Converter Part Number: 19420113
$1838.04 MSRP: $2747.21
You Save: $909.17 (34%)
Product Specifications
- Other Name: Converter Assembly, 3Way Catalytic (W/Exhaust Manifold Pipe) "Kit"; Converter, Catalytic Converter; Converter, Exhaust Pipe
- Replaces: 15746547, 15042331, 15739825
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996-1999 GMC C2500 | Sierra SL, Sierra SLE, Sierra SLT | 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS

GMC C2500 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 GMC C2500 parts. Prices are unbeatable, so you can keep more in your pocket. Every OEM GMC C2500 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.

The GMC C2500 Catalytic Converter is part of the exhaust system of GMC C2500 cars and is known to gain fame due to the quality and efficiency it provides. This catalytic converter acts as a gear in minimizing toxic emissions which include Carbon Monoxide, Hydrocarbons and Oxides of Nitrogen into saturated compounds including; Water, Carbon Dioxide and Nitrogen hence being core to the efficiency and safety of the GMC C2500. Fitted for every model of the GMC C2500, this catalytic converter is made to offer flexibility to cater for each model, base, deluxe, custom, sierra, and sierra grande. Some of its high end materials include platinum, palladium and rhodium catalysts which are central in enabling chemical reactions within the GMC C2500 Catalytic Converter making it excel among the rest in the automobile industry. It reduces situations like clogging and failure which in turn compromises its performance and has high emission levels. Also, the GMC C2500 Catalytic Converter is designed to endure the demanding work requirements, which is consistent with the lorry's robustness and power. This catalytic converter not only helps in improving the performance of the engine but also enables reducing the emission of gases making it a vehicle of environmental concern along with fulfilling the status of GMC C2500 as a powerful and efficient full size PU vehicle.

GMC C2500 Catalytic Converter Parts Questions & Experts Answers

Catalytic Converter
15733231
Q: How to service and repair the catalytic converter on GMC C2500?
A:
Service and repair of the Catalytic Converter requires raising the vehicle and providing support. First remove protective shields if needed before proceeding to remove the rear exhaust system. Begin by disconnecting the electrical connector from the Oxygen Sensor before removing the left Exhaust Manifold nuts for extractor of the left side Catalytic Converter. Transfer the oxygen sensors when replacing the Catalytic Converter. Start by installing new exhaust seals to the Exhaust Manifold before installing the left side Catalytic Converter. Mount new nuts onto the left side Exhaust Manifold before tightening them to 50 nm (39 ft. Lbs.). Attach the Oxygen Sensor electrical connector before reassemble the rear exhaust system. Complete the process by taking off safety stands while lowering the vehicle.