How to replace the exhaust heat shield on Buick LaCrosse?

The replacement process for a Catalytic Converter heat shield begins with supporting the vehicle along with supporting the exhaust system during elevation. Disconnection of the oxygen sensor wiring harness from the heat shield comes next before extracting the Catalytic Converter. First remove the rivets fastening the heat shield and finally detach the heat shield. The first step for installation involves putting the new heat shield into place followed by rivet installation to secure it. After reattaching the oxygen sensor wiring harness to the heat shield connect the Catalytic Converter then remove the exhaust system support. To complete the inspection process you must check the exhaust system for leaks and underbody contact after lowering the vehicle.

How to replace the LH exhaust heat shield on Buick Enclave?

The first step to replace a left exhaust manifold heat shield is the removal of the fuel injector sight shield. Seller the heated Oxygen Sensor (HO2S) electrical connector by disconnecting its power harness from the wiring harness electrical connector. Then separate the ho2s electrical connector retainer from the harness clip. Start by removing exhaust manifold heat shield bolts before taking off the heat shield by moving it upward over the ho2s pigtail. The new exhaust manifold heat shield installation requires positioning it downward over the ho2s pigtail before tightening all bolts to 10 nm (89 lb in). Put together the wiring harness electrical connector of the engine with the ho2s electrical connector while securing the ho2s electrical connector retainer to the wiring harness clip. Recovery of the fuel injector sight shield should be your last step.

How to replace the exhaust heat shield for the catalytic converter on Buick Regal?

When replacing the Catalytic Converter heat shield start by properly raising and supporting the vehicle following all necessary vehicle lifting protocols. You must support the exhaust system before you begin removing the Catalytic Converter. Start by disconnecting the oxygen sensor wiring harness from the Catalytic Converter heat shield followed by removing the rivets on the heat shield before removing the shield. Position and bolt down the new Catalytic Converter heat shield using suitable rivets for installation. Start by reconnecting the oxygen sensor wiring harness to the heat shield and then install the Catalytic Converter. Check for leaks and ensure the vehicle's underbody is free from components after removing the exhaust system support. Lower the vehicle only after these checks.

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103 Exhaust Heat Shields found

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Buick Heat Shield, Passenger Side
Part Number: 13312202
$18.95 MSRP: $29.65
You Save: $10.70 (37%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Shield, Exhaust Tail Pipe; Exhaust Heat Shield
- Position: Passenger Side
Fits the following Buick Models:
- LaCrosse | 2010-2016 | Base, Convenience, CX, CXL, CXS, Leather, Premium, Sport Touring, Touring | 4 Cyl 2.4 L GAS, 4 Cyl 2.4 L MILD HYBRID EV-GAS (MHEV), 6 Cyl 3.0 L GAS, 6 Cyl 3.6 L FLEX, 6 Cyl 3.6 L GAS
- Regal | 2011-2017 | Base, CXL, GS, Premium | 4 Cyl 2.0 L FLEX, 4 Cyl 2.4 L FLEX, 4 Cyl 2.4 L GAS, 4 Cyl 2.4 L MILD HYBRID EV-GAS (MHEV)
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Buick Heat Shield, Driver Side
Part Number: 84187472
$46.73 MSRP: $69.53
You Save: $22.80 (33%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Shield, Exhaust Tail Pipe; Exhaust Heat Shield
- Position: Driver Side
Fits the following Buick Models:
- Enclave | 2018-2024 | Avenir, Base, Essence, Preferred, Premium | 6 Cyl 3.6 L GAS
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Buick Heat Shield, Passenger Side
Part Number: 22766781
$37.73 MSRP: $56.14
You Save: $18.41 (33%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Shield, Exhaust Tail Pipe; Exhaust Heat Shield
- Position: Passenger Side
- Replaces: 13238807
Fits the following Buick Models:
- LaCrosse | 2010-2016 | Base, Convenience, CX, CXL, CXS, Leather, Premium, Sport Touring, Touring | 4 Cyl 2.4 L GAS, 4 Cyl 2.4 L MILD HYBRID EV-GAS (MHEV), 6 Cyl 3.0 L GAS, 6 Cyl 3.6 L FLEX, 6 Cyl 3.6 L GAS
- Regal | 2011-2017 | Base, CXL, GS, Premium, Sport Touring | 4 Cyl 2.0 L FLEX, 4 Cyl 2.0 L GAS, 4 Cyl 2.4 L FLEX, 4 Cyl 2.4 L GAS, 4 Cyl 2.4 L MILD HYBRID EV-GAS (MHEV)
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Buick Heat Shield
Part Number: 13238804
$34.22 MSRP: $50.92
You Save: $16.70 (33%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Shield, Exhaust Tail Pipe; Exhaust Heat Shield
- Position: Center
Fits the following Buick Models:
- Regal | 2011-2017 | Base, CXL, GS, Premium, Sport Touring | 4 Cyl 2.0 L FLEX, 4 Cyl 2.0 L GAS, 4 Cyl 2.4 L FLEX, 4 Cyl 2.4 L GAS, 4 Cyl 2.4 L MILD HYBRID EV-GAS (MHEV)
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Buick Heat Shield, Driver Side
Part Number: 23333240
$32.26 MSRP: $48.00
You Save: $15.74 (33%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Shield, Exhaust Tail Pipe; Exhaust Heat Shield
- Position: Driver Side
Fits the following Buick Models:
- Regal Sportback | 2018-2020 | Avenir, Base, Essence, Preferred, Preferred II | 4 Cyl 2.0 L GAS
- Regal TourX | 2018-2020 | Base, Essence, Preferred | 4 Cyl 2.0 L GAS
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Buick Heat Shield
Part Number: 25997287
$96.34 MSRP: $143.37
You Save: $47.03 (33%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Shield-Catalytic Converter Front Heat; Exhaust Heat Shield; Shield, Catalytic Converter; Shield, Exhaust Tail Pipe
- Position: Front
Fits the following Buick Models:
- Encore | 2016-2022 | Base, Convenience, Essence, Leather, Preferred, Preferred II, Premium, Sport Touring | 4 Cyl 1.4 L GAS
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Buick Heat Shield
Part Number: 84191152
$71.37 MSRP: $106.19
You Save: $34.82 (33%)
ADD TO CART
Product Specifications
- Other Name: Exhaust Heat Shield; Shield, Exhaust Tail Pipe
- Replaces: 22975536
Fits the following Buick Models:
- Envision | 2021-2023 | Avenir, Essence, Preferred | 4 Cyl 2.0 L GAS
- LaCrosse | 2017-2019 | Avenir, Base, Essence, Preferred, Premium, Sport Touring | 4 Cyl 2.5 L MILD HYBRID EV-GAS (MHEV), 6 Cyl 3.6 L GAS
- Regal Sportback | 2018-2020 | Avenir, Base, Essence, GS, Preferred, Preferred II | 4 Cyl 2.0 L GAS, 6 Cyl 3.6 L GAS
- Regal TourX | 2018-2020 | Base, Essence, Preferred | 4 Cyl 2.0 L GAS
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Buick Heat Shield
Part Number: 60004982
$27.24 MSRP: $40.53
You Save: $13.29 (33%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Shield, Exhaust Pipe; Exhaust Heat Shield
- Replaced by: 60005944
- Replaces: 60003628
Fits the following Buick Models:
- Encore GX | 2020-2024 | Avenir, Essence, Preferred, Select, Sport Touring | 3 Cyl 1.2 L GAS, 3 Cyl 1.3 L GAS
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Buick Heat Shield
Part Number: 13402958
$31.32 MSRP: $46.61
You Save: $15.29 (33%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Shield, Exhaust Tail Pipe; Exhaust Heat Shield
- Position: Rear
Fits the following Buick Models:
- Envision | 2016-2020 | Base, Essence, Preferred, Premium, Premium II | 4 Cyl 2.0 L GAS, 4 Cyl 2.5 L FLEX, 4 Cyl 2.5 L GAS
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Buick Heat Shield
Part Number: 42486001
$6.28 MSRP: $9.36
You Save: $3.08 (33%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Exhaust Heat Shield; Shield, Exhaust Tail Pipe
Fits the following Buick Models:
- Encore GX | 2020-2024 | Essence, Preferred, Select | 3 Cyl 1.2 L GAS, 3 Cyl 1.3 L GAS
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Buick Heat Shield
Part Number: 25207192
$39.91 MSRP: $59.39
You Save: $19.48 (33%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Shield, Catalytic Converter; Converter Shield
Fits the following Buick Models:
- Encore GX | 2020-2024 | Avenir, Essence, Preferred, Select, Sport Touring | 3 Cyl 1.3 L GAS
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Buick Heat Shield
Part Number: 12673191
$35.35 MSRP: $55.32
You Save: $19.97 (37%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Shield, Catalytic Converter; Exhaust Heat Shield
Fits the following Buick Models:
- Regal Sportback | 2018-2020 | Avenir, Base, Essence, Preferred, Preferred II | 4 Cyl 2.0 L GAS
- Regal TourX | 2018-2020 | Base, Essence, Preferred | 4 Cyl 2.0 L GAS
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Buick Heat Shield
Part Number: 23508004
$39.26 MSRP: $58.42
You Save: $19.16 (33%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Shield, Exhaust Tail Pipe; Exhaust Heat Shield
- Replaces: 13402959
Fits the following Buick Models:
- Envision | 2016-2020 | Base, Essence, Preferred, Premium, Premium II | 4 Cyl 2.0 L GAS, 4 Cyl 2.5 L FLEX, 4 Cyl 2.5 L GAS
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Buick Heat Shield
Part Number: 84408098
$62.10 MSRP: $92.41
You Save: $30.31 (33%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Shield, Exhaust Tail Pipe; Exhaust Heat Shield
Fits the following Buick Models:
- Envision | 2021-2023 | Avenir, Essence, Preferred | 4 Cyl 2.0 L GAS
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Buick Heat Shield, Driver Side
Part Number: 84263430
$14.93 MSRP: $22.21
You Save: $7.28 (33%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Shield, Exhaust Tail Pipe; Exhaust Heat Shield
- Position: Driver Side
Fits the following Buick Models:
- Regal Sportback | 2018-2020 | Avenir, Base, Essence, GS, Preferred, Preferred II | 4 Cyl 2.0 L GAS, 6 Cyl 3.6 L GAS
- Regal TourX | 2018-2020 | Base, Essence, Preferred | 4 Cyl 2.0 L GAS
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Buick Heat Shield
Part Number: 12683292
$19.33 MSRP: $28.78
You Save: $9.45 (33%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Shield-Exhaust Front Pipe Heat; Exhaust Heat Shield; Converter Shield; Shield, Catalytic Converter
Fits the following Buick Models:
- Encore GX | 2020-2023 | Essence, Preferred, Select | 3 Cyl 1.3 L GAS
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Buick Heat Shield, Passenger Side
Part Number: 84263431
$22.02 MSRP: $32.76
You Save: $10.74 (33%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Shield, Exhaust Tail Pipe; Exhaust Heat Shield
- Position: Passenger Side
Fits the following Buick Models:
- Regal Sportback | 2018-2020 | Avenir, Base, Essence, GS, Preferred, Preferred II | 4 Cyl 2.0 L GAS, 6 Cyl 3.6 L GAS
- Regal TourX | 2018-2020 | Base, Essence, Preferred | 4 Cyl 2.0 L GAS
View related parts
Buick Heat Shield
Part Number: 42486003
$31.26 MSRP: $46.52
You Save: $15.26 (33%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Shield, Exhaust Tail Pipe; Exhaust Heat Shield
- Position: Rear
Fits the following Buick Models:
- Encore GX | 2020-2024 | Avenir, Essence, Preferred, Select, Sport Touring | 3 Cyl 1.2 L GAS, 3 Cyl 1.3 L GAS
View related parts
Buick Heat Shield
Part Number: 55515029
$34.79 MSRP: $51.76
You Save: $16.97 (33%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Shield, Catalytic Converter; Exhaust Heat Shield
Fits the following Buick Models:
- Encore GX | 2020-2023 | Essence, Preferred, Select | 3 Cyl 1.2 L GAS
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Buick Heat Shield, Rear Passenger Side
Part Number: 13253838
$29.20 MSRP: $43.44
You Save: $14.24 (33%)
Product Specifications
- Other Name: Shield-Exhaust Rear Auxiliary Muffler Heat; Exhaust Heat Shield; Shield, Exhaust Tail Pipe; Shield, Exhaust
- Position: Rear Passenger Side
Fits the following Buick Models:
- Verano | 2013-2016 | Premium, Turbo | 4 Cyl 2.0 L GAS

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Buick Exhaust Heat Shield Parts Questions & Experts Answers

Heat Shield, Driver Side
12581813
Q: How to replace the exhaust heat shield on Buick LaCrosse?
A: The replacement process for a Catalytic Converter heat shield begins with supporting the vehicle along with supporting the exhaust system during elevation. Disconnection of the oxygen sensor wiring harness from the heat shield comes next before extracting the Catalytic Converter. First remove the rivets fastening the heat shield and finally detach the heat shield. The first step for installation involves putting the new heat shield into place followed by rivet installation to secure it. After reattaching the oxygen sensor wiring harness to the heat shield connect the Catalytic Converter then remove the exhaust system support. To complete the inspection process you must check the exhaust system for leaks and underbody contact after lowering the vehicle.
Heat Shield
12572879
Q: How to replace the LH exhaust heat shield on Buick Enclave?
A: The first step to replace a left exhaust manifold heat shield is the removal of the fuel injector sight shield. Seller the heated Oxygen Sensor (HO2S) electrical connector by disconnecting its power harness from the wiring harness electrical connector. Then separate the ho2s electrical connector retainer from the harness clip. Start by removing exhaust manifold heat shield bolts before taking off the heat shield by moving it upward over the ho2s pigtail. The new exhaust manifold heat shield installation requires positioning it downward over the ho2s pigtail before tightening all bolts to 10 nm (89 lb in). Put together the wiring harness electrical connector of the engine with the ho2s electrical connector while securing the ho2s electrical connector retainer to the wiring harness clip. Recovery of the fuel injector sight shield should be your last step.
Heat Shield, Driver Side
24506490
Q: How to replace the exhaust heat shield for the catalytic converter on Buick Regal?
A: When replacing the Catalytic Converter heat shield start by properly raising and supporting the vehicle following all necessary vehicle lifting protocols. You must support the exhaust system before you begin removing the Catalytic Converter. Start by disconnecting the oxygen sensor wiring harness from the Catalytic Converter heat shield followed by removing the rivets on the heat shield before removing the shield. Position and bolt down the new Catalytic Converter heat shield using suitable rivets for installation. Start by reconnecting the oxygen sensor wiring harness to the heat shield and then install the Catalytic Converter. Check for leaks and ensure the vehicle's underbody is free from components after removing the exhaust system support. Lower the vehicle only after these checks.