Looking for the best GM exhaust manifolds? We’ve compiled a list of 10 top options to help you find the perfect fit for your vehicle.
Exhaust manifolds are key parts of your engine. They help direct exhaust gases away from the engine. A good manifold keeps your car running smoothly and efficiently.
Choosing the right exhaust manifold can be tricky. There are many options for GM vehicles. We’ve done the hard work for you.
Our guide highlights the best GM exhaust manifolds. You’ll find reliable and durable options. Let’s get started!
List of Top 10 GM Exhaust Manifolds
| Image | Title | Best For | Price |
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2 Set of Exhaust Manifolds 99746A17 Replacement for Mer-Crui-ser 4.3L V6, GM V6 229 262, Mer-Crui-ser 175, 185, and 205 MC-1-99746 Lamerto |
This 2 Set of Exhaust Manifolds is perfect for boat owners who need a reliable replacement for their Mer-Crui-ser or GM V6 engines. It’s ideal for models like 4.3L V6, 175, 185, and 205, ensuring smooth performance and long-lasting durability. |
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Dorman 674-522 Driver Side Exhaust Manifold Kit – Includes Required Gaskets and Hardware Compatible with Select Models (OE FIX) |
This Dorman 674-522 Driver Side Exhaust Manifold Kit is perfect for car owners who need a reliable, direct-fit replacement for their exhaust system. It’s ideal for those seeking upgraded materials to prevent future issues like warping or cracking. |
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GM Genuine Parts 12616285 Driver Side Exhaust Manifold |
This exhaust manifold is perfect for GM vehicle owners who want a reliable replacement part. It’s designed for a precise fit, making installation easy and ensuring proper exhaust flow. |
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Dorman 674-732 Passenger Side Exhaust Manifold Kit – Includes Required Gaskets and Hardware Compatible with Select Models (OE FIX) |
This Dorman 674-732 Exhaust Manifold Kit is perfect for car owners who need a reliable, long-lasting fix for their vehicle’s exhaust system. It’s ideal for those with select models looking for a complete, easy-to-install solution that includes all necessary parts. |
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Exhaust Manifold Bolt Repair Kit Compatible with Newer GM Trucks And SUV 4.8 Liter 5.3 Liter 6.2 L 1999-2013, 6.0 L 1999-2021 |
This Exhaust Manifold Bolt Repair Kit is perfect for GM truck and SUV owners who want to fix exhaust leaks easily. It’s ideal for DIY repairs, saving time and money without needing complex tools. |
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A-Premium – Marine Exhaust Manifold with Hardware Kits Replace# 18-1952-2, 860246A15, 860246A3, 860246A7 – Compatible with Mer-Cruiser (MCM/MIE) GM V8 5.0L 5.7L 305, 350, 377 CID Engines, 1983-2002 |
This marine exhaust manifold is perfect for boat owners with MerCruiser engines from 1983 to 2002. It’s ideal for those needing a reliable, rust-free replacement that’s easy to install and built to last. |
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A-Premium Right Exhaust Manifold W/Gasket, Studs & Nuts & Heat Shield Compatible with Chevy, GMC & Cadillac – Silverado 1500 2500 3500, Express, Suburban, Tahoe, Avalanche,Sierra, Escalade & More |
This A-Premium Right Exhaust Manifold is perfect for anyone with a Chevy, GMC, or Cadillac vehicle needing a reliable replacement. It’s easy to install and comes with everything you need, like gaskets, studs, nuts, and a heat shield. |
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A-Premium Left Side Exhaust Manifold Kit W/Gasket & Studs & Nuts Fit for Chevy, GMC & Cadillac -Silverado 1500 2500, Express, Suburban, Tahoe, Savana, Sierra, Escalade, Replaces 12556078 12562235 |
This A-Premium Left Side Exhaust Manifold Kit is perfect for anyone with a Chevy, GMC, or Cadillac vehicle needing a reliable replacement. It’s easy to install and fits many models, making it ideal for DIY repairs. |
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GM Genuine Parts 12672285 Exhaust Manifold |
This exhaust manifold is perfect for GM vehicle owners who want a reliable, precise fit. It’s easy to install and works great for keeping your engine running smoothly. |
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GM Genuine Parts 12617944 Exhaust Manifold Gasket |
This exhaust manifold gasket is perfect for car owners who want a reliable seal and leak-free exhaust system. It’s designed for Chevrolet, Buick, GMC, or Cadillac vehicles, ensuring a perfect fit and long-lasting performance. |
Detailed Reviews
Discover the top 10 GM Exhaust Manifolds in our expert-curated guide. Each product is thoroughly reviewed for performance, durability, and value, ensuring you find the perfect fit for your vehicle. Whether you prioritize reliability or affordability, this guide simplifies your choice and builds confidence in your decision.
1. 2 Set of Exhaust Manifolds 99746A17 Replacement for Mer-Crui-ser 4.3L V6, GM V6 229 262, Mer-Crui-ser 175, 185, and 205 MC-1-99746 Lamerto
The exhaust manifold is made for Mer-Crui-ser 4.3L V6 engines. It helps fit many GM V6 and Mer-Crui-ser models.
It works with many part numbers like 99746A17, 51220, and 18-1952-1. It is a 2 set replacement made for a wide fit range.
Check fit before you buy. Professional install is best. It comes with a 2-year warranty.
| Pros | Cons |
|---|---|
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Perfect For:
This 2 Set of Exhaust Manifolds is perfect for boat owners who need a reliable replacement for their Mer-Crui-ser or GM V6 engines. It’s ideal for models like 4.3L V6, 175, 185, and 205, ensuring smooth performance and long-lasting durability.
Ready to Purchase?
2. Dorman 674-522 Driver Side Exhaust Manifold Kit – Includes Required Gaskets and Hardware Compatible with Select Models (OE FIX)
The Dorman 674-522 is a driver side exhaust manifold kit. It is made from ductile iron. It helps stop warping and cracking.
It is a complete kit. It includes the manifold, gaskets, studs, and nuts.
It is a direct fit part. It is tested in the United States for quality.
| Pros | Cons |
|---|---|
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Perfect For:
This Dorman 674-522 Driver Side Exhaust Manifold Kit is perfect for car owners who need a reliable, direct-fit replacement for their exhaust system. It’s ideal for those seeking upgraded materials to prevent future issues like warping or cracking.
Ready to Purchase?
3. GM Genuine Parts 12616285 Driver Side Exhaust Manifold
This is a genuine GM part. It fits the driver side perfectly. It ensures reliable performance for your vehicle.
The exhaust manifold is built to last. It is a high-quality replacement for your engine.
| Pros | Cons |
|---|---|
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Perfect For:
This exhaust manifold is perfect for GM vehicle owners who want a reliable replacement part. It’s designed for a precise fit, making installation easy and ensuring proper exhaust flow.
Ready to Purchase?
4. Dorman 674-732 Passenger Side Exhaust Manifold Kit – Includes Required Gaskets and Hardware Compatible with Select Models (OE FIX)
The Dorman 674-732 Passenger Side Exhaust Manifold Kit is a strong and smart fix for your vehicle. It uses ductile iron to help stop warping and cracking.
It comes with a new manifold, gaskets, and hardware. It is a direct fit. It is made and tested in the United States.
| Pros | Cons |
|---|---|
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Perfect For:
This Dorman 674-732 Exhaust Manifold Kit is perfect for car owners who need a reliable, long-lasting fix for their vehicle’s exhaust system. It’s ideal for those with select models looking for a complete, easy-to-install solution that includes all necessary parts.
Ready to Purchase?
5. Exhaust Manifold Bolt Repair Kit Compatible with Newer GM Trucks And SUV 4.8 Liter 5.3 Liter 6.2 L 1999-2013, 6.0 L 1999-2021
This exhaust manifold bolt repair kit fits many GM trucks and SUVs. It works with 4.8L, 5.3L, 6.2L, and 6.0L engines. It helps stop exhaust leaks fast.
It is made with strong, rust-resistant materials. It is easy to install and does not need head removal or drilling.
| Pros | Cons |
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Perfect For:
This Exhaust Manifold Bolt Repair Kit is perfect for GM truck and SUV owners who want to fix exhaust leaks easily. It’s ideal for DIY repairs, saving time and money without needing complex tools.
Ready to Purchase?
6. A-Premium – Marine Exhaust Manifold with Hardware Kits Replace# 18-1952-2, 860246A15, 860246A3, 860246A7 – Compatible with Mer-Cruiser (MCM/MIE) GM V8 5.0L 5.7L 305, 350, 377 CID Engines, 1983-2002
A-Premium makes a marine exhaust manifold for MerCruiser GM V8 engines. It fits 5.0L, 5.7L, and 377 CID models from 1983-2002.
It uses strong copolymer parts. It helps fight rust and wear. It is made for long life.
The kit is easy to use. It fits port and starboard sides. It comes with a one-year unlimited-mileage guarantee.
| Pros | Cons |
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Perfect For:
This marine exhaust manifold is perfect for boat owners with MerCruiser engines from 1983 to 2002. It’s ideal for those needing a reliable, rust-free replacement that’s easy to install and built to last.
Ready to Purchase?
7. A-Premium Right Exhaust Manifold W/Gasket, Studs & Nuts & Heat Shield Compatible with Chevy, GMC & Cadillac – Silverado 1500 2500 3500, Express, Suburban, Tahoe, Avalanche,Sierra, Escalade & More
This A-Premium Right Exhaust Manifold is built to fit many Chevy, GMC, and Cadillac models. It comes with everything you need: gasket, studs, nuts, and a heat shield. Installation is simple and direct.
Made from strong cast iron, this manifold is a standard replacement part. It has a round port shape and comes in a sturdy box for safe delivery.
This product fits a wide range of vehicles like Silverado, Express, Suburban, Tahoe, Avalanche, Sierra, and Escalade. It matches exact OEM specs for reliable performance and durability.
| Pros | Cons |
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Perfect For:
This A-Premium Right Exhaust Manifold is perfect for anyone with a Chevy, GMC, or Cadillac vehicle needing a reliable replacement. It’s easy to install and comes with everything you need, like gaskets, studs, nuts, and a heat shield.
Ready to Purchase?
8. A-Premium Left Side Exhaust Manifold Kit W/Gasket & Studs & Nuts Fit for Chevy, GMC & Cadillac -Silverado 1500 2500, Express, Suburban, Tahoe, Savana, Sierra, Escalade, Replaces 12556078 12562235
This exhaust manifold kit is made to fit many popular Chevy, GMC, and Cadillac models. It is built from strong cast iron for long-lasting use. The kit includes everything you need: manifold, gasket, studs, and nuts.
It fits a wide range of vehicles like Silverado, Suburban, Tahoe, Escalade, and more from various years. The kit is a direct replacement that ensures a perfect fit and easy installation. It also comes with a heat shield to protect your engine.
This part is durable. It seals tightly. It works great.
| Pros | Cons |
|---|---|
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Perfect For:
This A-Premium Left Side Exhaust Manifold Kit is perfect for anyone with a Chevy, GMC, or Cadillac vehicle needing a reliable replacement. It’s easy to install and fits many models, making it ideal for DIY repairs.
Ready to Purchase?
9. GM Genuine Parts 12672285 Exhaust Manifold
The GM Genuine Parts 12672285 Exhaust Manifold is a reliable part for your vehicle. It directs exhaust away from the engine.
This part is designed and tested for GM vehicles. It ensures a precise fit for easy installation. Always follow proper installation steps.
For best results, visit a GM dealer or service center. They can help with correct installation. This ensures long-lasting performance.
| Pros | Cons |
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Perfect For:
This exhaust manifold is perfect for GM vehicle owners who want a reliable, precise fit. It’s easy to install and works great for keeping your engine running smoothly.
Ready to Purchase?
10. GM Genuine Parts 12617944 Exhaust Manifold Gasket
Get the best fit with the GM Genuine Parts 12617944 Exhaust Manifold Gasket. This gasket stops leaks. It is a GM part you can trust.
Buy genuine parts made to last. They meet high quality standards.
Fix your car engine quickly. This gasket is easy to use and reliable.
| Pros | Cons |
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Perfect For:
This exhaust manifold gasket is perfect for car owners who want a reliable seal and leak-free exhaust system. It’s designed for Chevrolet, Buick, GMC, or Cadillac vehicles, ensuring a perfect fit and long-lasting performance.
Ready to Purchase?
Buying Guide
Choosing the right GM exhaust manifold is key for a smooth and efficient engine. Our guide makes it easy to find the best fit for your vehicle. Let’s get started!
Factors to Consider When Buying GM Exhaust Manifolds:
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Compatibility:
Make sure the manifold fits your GM vehicle’s make, model, and engine size. Check part numbers for a perfect match. -
Material:
Look for durable materials like cast iron or ductile iron. They resist warping, cracking, and rust for longer life. -
Kit Inclusions:
Choose kits with gaskets, studs, nuts, and heat shields for a complete and easy installation. -
Warranty:
Opt for manifolds with a warranty for added peace of mind and protection against defects. -
Installation:
Consider if you need a professional install or if the part is easy to install yourself. -
Performance:
Pick a manifold that ensures reliable performance and helps your engine run smoothly and efficiently. -
Price:
Balance cost with quality to get the best value for your money.