How to address issues with the exhaust heat shield on Buick Regal?

A proper vehicle lift supported by guidelines must be used to start the heat shield replacement process for the Catalytic Converter. The receiver must support the exhaust properly before proceeding to take out the Catalytic Converter. First remove the Oxygen Sensor wiring harness from the heat shield of the Catalytic Converter and then remove the pop rivets that secure the heat shield. Acting next install the brand-new heat shield to the Catalytic Converter and fasten it using the provided pop rivets. The Oxygen Sensor wiring harness needs to be reconnected to the heat shield and the Catalytic Converter must be installed. Examine the exhaust system for leaks and look for potential underbody contacts after removing support from the system.

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

The first step to replace the left side exhaust manifold heat shield involves removing the fuel injector sight shield. The engine wiring harness electrical connector should be disconnected from the heated oxygen sensor (HO2S) electrical connector followed by removing the HO2S electrical connector retainer from its position on the engine wiring harness clip. The exhaust manifold heat shield requires exact bolt removal to allow sliding the shield upward towards the HO2S pigtail. Insert the new exhaust manifold heat shield onto the HO2S pigtail before you install bolts and tighten them to 10 N.m (89 lb in). You should connect the engine wiring harness electrical connector to the HO2S electrical connector before installing the retainer on the harness clip. Reinstall the fuel injector sight shield as the last step.

OEM Buick Exhaust Heat Shield

Heat Shield

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103 Exhaust Heat Shields found

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Buick Heat Shield, Passenger Side Part Number: 13312202
$21.72 MSRP: $32.32
You Save: $10.60 (33%)
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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
$50.93 MSRP: $75.78
You Save: $24.85 (33%)
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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
$35.16 MSRP: $52.32
You Save: $17.16 (33%)
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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
$105.01 MSRP: $156.27
You Save: $51.26 (33%)
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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
$77.78 MSRP: $115.74
You Save: $37.96 (33%)
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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
$29.69 MSRP: $44.18
You Save: $14.49 (33%)
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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
$34.14 MSRP: $50.81
You Save: $16.67 (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
$6.84 MSRP: $10.19
You Save: $3.35 (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
$43.50 MSRP: $64.74
You Save: $21.24 (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
$38.53 MSRP: $60.30
You Save: $21.77 (37%)
Ships in 1-3 Business Days
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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
$42.78 MSRP: $63.67
You Save: $20.89 (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
$67.69 MSRP: $100.73
You Save: $33.04 (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
$16.27 MSRP: $24.21
You Save: $7.94 (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
$21.07 MSRP: $31.36
You Save: $10.29 (33%)
Ships in 1-3 Business Days
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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
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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
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Buick Heat Shield Part Number: 42486003
$34.07 MSRP: $50.70
You Save: $16.63 (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
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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

Choose OEM Exhaust Heat Shield, you're making the optimal decision for superior quality and perfect performance. You can feel confident because each component goes through stringent quality checks. Every part is carefully built to comply with Buick's factory specifications. You'll enjoy a smooth, worry-free installation that fits just right. At ChevyPartsDeal.com, you'll find it easy to get top-quality OEM Buick Exhaust Heat Shield. You can shop at highly competitive prices and protect your budget. All our genuine Buick parts include a dependable manufacturer's warranty. You'll also appreciate our straightforward return policy and swift delivery services for extra convenience.

Buick Exhaust Heat Shield ensures that engine bays are cool so that power output is not to be damaged during daily drives. The brand has been pursuing quiet rides, solid torque and cabin calm since 1903. Its initial straight-eight sedans received loyalty due to their ability to absorb the rough roads without any rattle. Subsequent models incorporated smooth automatic gears, steering that is responsive, body lines that avoid fashion trends and are side-stepping. Proprietors discuss cruising along roads as wind and tire noise remain minimal. In 2022 the concept Wildcat EV depicted sweeping lights and an electric push propulsion that continues the legacy. The company also drives QuietTuning which involves filling its cabins with sound deadeners to make the music more prominent and conversation less difficult. Each new model is set to achieve that blend of comfort, power and low profile that makes Buick stand out from the glitzier nameplates. An Exhaust Heat Shield is an exhaust shield that bolts on the exhaust manifold and downpipes and entraps radiant heat, lowers under-hood temperatures by as much as 50 percent and accelerates the exhaust gases to the muffler to be better scavenged and to respond more strongly to throttle. The third Exhaust Heat Shield also shields hoses, sensors and paint against heat soak by insulating hot surfaces, resulting in less heat-related failures and more consistent performance on summer afternoons. Such reliability makes Buick users sure to drive miles without facing the problem of heat fatigue.

Buick Exhaust Heat Shield Parts and Q&A

Heat Shield, Passenger Side
24507616
Q: How to address issues with the exhaust heat shield on Buick Regal?
A:
A proper vehicle lift supported by guidelines must be used to start the heat shield replacement process for the Catalytic Converter. The receiver must support the exhaust properly before proceeding to take out the Catalytic Converter. First remove the Oxygen Sensor wiring harness from the heat shield of the Catalytic Converter and then remove the pop rivets that secure the heat shield. Acting next install the brand-new heat shield to the Catalytic Converter and fasten it using the provided pop rivets. The Oxygen Sensor wiring harness needs to be reconnected to the heat shield and the Catalytic Converter must be installed. Examine the exhaust system for leaks and look for potential underbody contacts after removing support from the system.
Heat Shield
12572879
Q: How to replace the LH exhaust heat shield on Buick Enclave?
A:
The first step to replace the left side exhaust manifold heat shield involves removing the fuel injector sight shield. The engine wiring harness electrical connector should be disconnected from the heated oxygen sensor (HO2S) electrical connector followed by removing the HO2S electrical connector retainer from its position on the engine wiring harness clip. The exhaust manifold heat shield requires exact bolt removal to allow sliding the shield upward towards the HO2S pigtail. Insert the new exhaust manifold heat shield onto the HO2S pigtail before you install bolts and tighten them to 10 N.m (89 lb in). You should connect the engine wiring harness electrical connector to the HO2S electrical connector before installing the retainer on the harness clip. Reinstall the fuel injector sight shield as the last step.