How to replace the left exhaust pipe on a 6.6L (LLY) engine on GMC Sierra 1500?

The procedure to change the left Exhaust Pipe of a 6.6l (LLY) engine starts with right wheelhouse panel removal followed by removing Exhaust Heat Shield nuts and heat shield from dash panel. Move on to the second step where you should detach left Exhaust Pipe heat shield bolts along with the heat shield itself. Remove the Exhaust Pipe bolts adhering to proper sequence and then take out the Exhaust Pipe with its gaskets before throwing away the old gaskets. Place the Exhaust Pipe together with its new gasket against the Turbocharger while maintaining the gasket tab toward the inside before installing the bolts loosely. Install the Exhaust Pipe with its new gasket against the Exhaust Manifold while aligning the tab toward the outside and then install the bolts loosely. Secure the Exhaust Pipe bolts in their specified order to 53 nm (39 ft. Lbs.) and fasten the Exhaust Pipe heat shield bolts to 8 nm (71 inch lbs.). After positioning the left side Exhaust Heat Shield at the dash panel you must fasten it with heat shield nuts before tightening each one to 9 nm (80 inch lbs.). Put back the right wheelhouse panel as the final step.

How to replace the right exhaust pipe on a 6.6L (LLY) engine on GMC Sierra 1500?

The replacement process of a 6.6l (LLY) engine right Exhaust Pipe begins by taking out the turbocharger Exhaust Pipe followed by proper bolt removal sequence from the Exhaust Pipe. Discard the Exhaust Pipe gaskets after pulling out the Exhaust Pipe together with its bracket along with its gaskets. Install the Exhaust Pipe near the turbocharger by fitting a new gasket while making sure its tab points toward the inside then lightly fasten the bolts. The Exhaust Pipe requires a new gasket for installation when placed against the Exhaust Manifold while the gasket tab should face outward before you install the bolts without full torque. Tighten the Exhaust Pipe bolts through the correct pattern until they reach 53 nm (39 ft. Lbs.) before removing the turbocharger Exhaust Pipe.

OEM GMC Sierra 1500 Exhaust Pipe

Exhaust Tail Pipe

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163 Exhaust Pipes found

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GMC Sierra 1500 Extension Kit, Exhaust Tail Pipe Part Number: 84521819
$163.07 MSRP: $195.00
You Save: $31.93 (17%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: 6.0L Polished Stainless Steel Dual-Wall Angle-Cut Exhaust Tip
- Replaces: 84520924
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2025 GMC Sierra 1500 | AT4, AT4X, Denali, Denali Ultimate, Elevation, Pro, SLE, SLT | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L GAS
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GMC Sierra 1500 Extension Kit, Exhaust Tail Pipe, Stainless Steel Part Number: 84240388
$117.08 MSRP: $140.00
You Save: $22.92 (17%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: 6.0L Polished Stainless Steel Dual-Wall Angle-Cut Exhaust Tip
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2023-2024 GMC Sierra 1500 | AT4, AT4X, Denali, Denali Ultimate, Elevation, SLE, SLT | 6 Cyl 3.0 L DIESEL
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GMC Sierra 1500 Extension Kit, Exhaust Tail Pipe Part Number: 84520927
$163.07 MSRP: $195.00
You Save: $31.93 (17%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: 6.0L Polished Stainless Steel Dual-Wall Angle-Cut Exhaust Tip
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2023-2025 GMC Sierra 1500 | AT4, AT4X, Denali, Denali Ultimate, Elevation, SLE, SLT | 6 Cyl 3.0 L DIESEL
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GMC Sierra 1500 Pressure Sensor Part Number: 55496942
$33.20 MSRP: $62.33
You Save: $29.13 (47%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Pipe, Emission System; EGR Pressure Sensor; Pressure Feedback Sensor
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2020-2022 GMC Sierra 1500 | AT4, AT4X, Denali, Denali Ultimate, Elevation, SLE, SLT | 6 Cyl 3.0 L DIESEL
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GMC Sierra 1500 Catalytic Converter Part Number: 40009042
$1100.03 MSRP: $1708.33
You Save: $608.30 (36%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Converter Assembly-Nitrogen Oxide Catalytic (W/Filter)
- Replaced by: 40009139
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2020-2022 GMC Sierra 1500 | AT4, AT4X, Denali, Denali Ultimate, Elevation, SLE, SLT | 6 Cyl 3.0 L DIESEL
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GMC Sierra 1500 Converter & Pipe Part Number: 12713947
$1197.72 MSRP: $1861.22
You Save: $663.50 (36%)
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Product Specifications
- Other Name: Converter, Catalytic Converter
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2023-2025 GMC Sierra 1500 | Elevation, Pro, SLE | 4 Cyl 2.7 L GAS
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GMC Sierra 1500 Catalytic Converter Part Number: 85542369
$1383.85 MSRP: $2152.50
You Save: $768.65 (36%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Converter, Catalytic Converter; Converter & Pipe
- Replaces: 84655076, 84557807
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2019-2022 GMC Sierra 1500 | AT4, Base, Denali, Elevation, Pro, SLE, SLT | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
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GMC Sierra 1500 Catalytic Converter Part Number: 19418958
$1473.25 MSRP: $2292.42
You Save: $819.17 (36%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Converter Assembly, 3Way Catalytic (W/Exhaust Manifold Pipe) "Kit"; Exhaust Pipe
- Replaces: 25904629, 20854457, 25904626
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2008-2010 GMC Sierra 1500 | Denali, SLE, SLT | 8 Cyl 6.2 L FLEX
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GMC Sierra 1500 Catalytic Converter Part Number: 19418939
$2077.18 MSRP: $3231.26
You Save: $1154.08 (36%)
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Product Specifications
- Other Name: Converter Assembly, 3Way Catalytic (W/Exhaust Manifold Pipe) "Kit"
- Replaces: 15127418, 25824120, 25904628
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2007-2008 GMC Sierra 1500 | Denali, SL, SLE, SLT, WT | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L GAS
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GMC Sierra 1500 Catalytic Converter Part Number: 19420265
$1950.67 MSRP: $3039.55
You Save: $1088.88 (36%)
ADD TO CART
Product Specifications
- Other Name: Converter Assembly, 3Way Catalytic (W/Exhaust Pipe)
- Replaces: 23111625, 84362281
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2015-2018 GMC Sierra 1500 | Denali, SLT | 8 Cyl 6.2 L GAS
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GMC Sierra 1500 Three-Way Catalytic Converter with Exhaust Pipe Part Number: 19420288
$1957.21 MSRP: $3049.78
You Save: $1092.57 (36%)
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Product Specifications
- Other Name: CONVERTER ASM,3WAY CTLTC(W/EXH PIPE); Converter & Pipe; Converter, Catalytic Converter
- Replaces: 23486656
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2016-2018 GMC Sierra 1500 | Base, Denali, SLE, SLT | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 5.3 L MILD HYBRID EV-GAS (MHEV)
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GMC Sierra 1500 Catalytic Converter Part Number: 19420291
$2068.61 MSRP: $3224.11
You Save: $1155.50 (36%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Converter Assembly, 3Way Catalytic (W/Exhaust Pipe); Converter & Pipe; Converter, Catalytic Converter
- Replaces: 23492619, 84362282
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2016-2018 GMC Sierra 1500 | Base, Denali, SLE, SLT | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 5.3 L MILD HYBRID EV-GAS (MHEV)
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GMC Sierra 1500 Catalytic Converter Part Number: 19420284
$2186.41 MSRP: $3408.46
You Save: $1222.05 (36%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Converter Assembly, 3Way Catalytic (W/Exhaust Pipe)
- Replaces: 22948166
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2014-2018 GMC Sierra 1500 | Denali, SLT | 8 Cyl 6.2 L GAS
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GMC Sierra 1500 Catalytic Converter Part Number: 85521779
$301.28 MSRP: $458.33
You Save: $157.05 (35%)
ADD TO CART
Product Specifications
- Other Name: Converter Assembly-Nitrogen Oxide Catalytic (W/Exhaust Pipe); Converter & Pipe; Converter, Catalytic Converter
- Replaces: 84578288, 84749005
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2020-2022 GMC Sierra 1500 | AT4, AT4X, Denali, Denali Ultimate, Elevation, SLE, SLT | 6 Cyl 3.0 L DIESEL
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GMC Sierra 1500 Catalytic Converter Part Number: 19418932
$2368.32 MSRP: $3954.87
You Save: $1586.55 (41%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Converter Assembly, 3Way Catalytic (W/Exhaust Manifold Pipe) "Kit"; Exhaust Pipe
- Replaces: 25824121
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2007-2010 GMC Sierra 1500 | Denali, Hybrid, SL, SLE, SLT, WT | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L FULL HYBRID EV-FLEX (FHEV), 8 Cyl 6.0 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L GAS
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GMC Sierra 1500 Water Outlet Part Number: 12698117
$116.15 MSRP: $173.65
You Save: $57.50 (34%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Pipe Assembly-Exhaust Manifold Outlet; Pipe, Exhaust Manifold
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2019 GMC Sierra 1500 | Base, Elevation, SLE | 4 Cyl 2.7 L GAS
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GMC Sierra 1500 Water Outlet Part Number: 12701678
$122.87 MSRP: $183.70
You Save: $60.83 (34%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Pipe Assembly-Exhaust Manifold Outlet; Pipe, Exhaust Manifold
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2020-2023 GMC Sierra 1500 | Base, Elevation, Pro, SLE | 4 Cyl 2.7 L GAS
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GMC Sierra 1500 Sleeve, Exhaust Muffler - Tail Pipe, Black Part Number: 86513645
$154.00 MSRP: $230.25
You Save: $76.25 (34%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sleeve Assembly-Exhaust Tail Pipe Heat *Black; Sleeve, Exhaust Tail Pipe
- Replaces: 84644536
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2020-2025 GMC Sierra 1500 | AT4, AT4X, Denali, Denali Ultimate, Elevation, SLE, SLT | 4 Cyl 2.7 L GAS, 6 Cyl 3.0 L DIESEL, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L GAS
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GMC Sierra 1500 Sleeve, Exhaust Muffler - Tail Pipe, Black Part Number: 86513644
$154.00 MSRP: $230.25
You Save: $76.25 (34%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sleeve Assembly-Exhaust Tail Pipe Heat *Black; Sleeve, Exhaust Tail Pipe
- Replaces: 84644535
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2020-2025 GMC Sierra 1500 | AT4, AT4X, Denali, Denali Ultimate, Elevation, SLE, SLT | 4 Cyl 2.7 L GAS, 6 Cyl 3.0 L DIESEL, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L GAS
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GMC Sierra 1500 Catalytic Converter, Passenger Side Part Number: 15064138
Product Specifications
- Other Name: Pipe Assembly-Exhaust Manifold *Marked Print; Exhaust Pipe
- Position: Passenger Side
- Replaces: 15045399
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006, 2001-2002 GMC Sierra 1500 | C3, Denali, SLE, SLT | 8 Cyl 6.0 L GAS

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GMC Sierra 1500 Exhaust Pipe

Want to cut long-term maintenance and repair costs? Choose OEM Exhaust Pipe. Those parts deliver top durability you can trust. On our site, you'll find a huge catalog of genuine GMC Sierra 1500 parts. Prices are unbeatable, so you can keep more in your pocket. Every OEM GMC Sierra 1500 Exhaust Pipe 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.

GMC Sierra 1500 Exhaust Pipe Parts and Q&A

Catalytic Converter
19420098
Q: How to replace the left exhaust pipe on a 6.6L (LLY) engine on GMC Sierra 1500?
A:
The procedure to change the left Exhaust Pipe of a 6.6l (LLY) engine starts with right wheelhouse panel removal followed by removing Exhaust Heat Shield nuts and heat shield from dash panel. Move on to the second step where you should detach left Exhaust Pipe heat shield bolts along with the heat shield itself. Remove the Exhaust Pipe bolts adhering to proper sequence and then take out the Exhaust Pipe with its gaskets before throwing away the old gaskets. Place the Exhaust Pipe together with its new gasket against the Turbocharger while maintaining the gasket tab toward the inside before installing the bolts loosely. Install the Exhaust Pipe with its new gasket against the Exhaust Manifold while aligning the tab toward the outside and then install the bolts loosely. Secure the Exhaust Pipe bolts in their specified order to 53 nm (39 ft. Lbs.) and fasten the Exhaust Pipe heat shield bolts to 8 nm (71 inch lbs.). After positioning the left side Exhaust Heat Shield at the dash panel you must fasten it with heat shield nuts before tightening each one to 9 nm (80 inch lbs.). Put back the right wheelhouse panel as the final step.
Catalytic Converter
19418928
Q: How to replace the right exhaust pipe on a 6.6L (LLY) engine on GMC Sierra 1500?
A:
The replacement process of a 6.6l (LLY) engine right Exhaust Pipe begins by taking out the turbocharger Exhaust Pipe followed by proper bolt removal sequence from the Exhaust Pipe. Discard the Exhaust Pipe gaskets after pulling out the Exhaust Pipe together with its bracket along with its gaskets. Install the Exhaust Pipe near the turbocharger by fitting a new gasket while making sure its tab points toward the inside then lightly fasten the bolts. The Exhaust Pipe requires a new gasket for installation when placed against the Exhaust Manifold while the gasket tab should face outward before you install the bolts without full torque. Tighten the Exhaust Pipe bolts through the correct pattern until they reach 53 nm (39 ft. Lbs.) before removing the turbocharger Exhaust Pipe.