2003 GMC Sierra 3500 Exhaust Parts

Essential 2003 GMC Sierra 3500 Exhaust Parts

Dorman – Help – Exhaust Manifold Hardware Kit (Part No.32121)

Exhaust Manifold Hardware Kit

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$25.99
This exhaust manifold hardware kit matches the original hardware required to secure the exhaust manifold to the engine on specified vehicles, and is made from quality materials for reliable performance.

Product Features:
  • Direct replacement – this exhaust manifold hardware kit matches the original hardware required to secure the exhaust manifold to the engine on specified vehicles
  • Ideal solution – this kit is a reliable replacement for the original hardware that is missing or damaged, or has failed
  • Durable construction – this kit is made from quality components to ensure reliable performance and a long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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Dorman – Help – Exhaust Stud Kit – M10-1.5 x 62mm (Part No.03133)

Exhaust Stud Kit - M10-1.5 x 62mm

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$17.29
Our exhaust manifold flange kit includes all necessary studs and nuts for a complete repair.

Product Features:
  • Direct replacement for a proper fit every time
  • Durable steel construction
  • New hardware helps fix exhaust leaks
  • Also available in the Exhaust Manifold Hardware Kit
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GM Genuine Parts – Exhaust Manifold Gasket (Part No.12617944)

Exhaust Manifold Gasket

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$17.99
GM Genuine Parts Exhaust Manifold Gaskets are designed, engineered, and tested to rigorous standards, and are backed by General Motors. They help form a gas-tight connection between the exhaust manifold and cylinder heads. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Product Features:
  • Helps prevent exhaust leaks
  • Helps provide a tight seal where the exhaust manifold mounts to the engine block
  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
  • GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • GM regularly updates production and service part designs to integrate new materials and technologies
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Victor Reinz – Exhaust Manifold Gasket Set (Part No.11-10264-01)

Exhaust Manifold Gasket Set

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$23.99
As you would expect, extremely high temperatures are the sealing challenge for exhaust manifold gaskets. Victor Reinz has a long heritage of supplying manifold gaskets to original equipment vehicle manufacturers. Therefore, Victor Reinz exhaust manifold gaskets meet OE specifications on a wide range of vehicles, covering the most recent high-tech engine designs and going back decades to the muscle car era.

Product Features:
  • Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
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Walker – 3 Bolt Exhaust Pipe Flange Gasket: Metal with Fiber, Heat Resistant, Premium Materials (Part No.31718)

3 Bolt Exhaust Pipe Flange Gasket: Metal with Fiber, Heat Resistant, Premium Materials

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$17.49
Complete your exhaust repair with Walker┬« gaskets and flanges. Available in a variety of styles and sizes, they’re designed to work with OE exhaust components and Walker aftermarket replacement parts.

Product Features:
  • AVAILABLE IN DIFFERENT SIZES — Offered in a variety of styles and sizesfora quality vehicle repair
  • HEAT RESISTANT — Designed to resist heat for long-lasting performance
  • PREMIUM MATERIALS — Made from high-quality materials for durability and long life
  • ENGINEERING EXPERTISE — Parts are reviewed and validated and approved by Walker engineers through rigorous research and development
  • REAL-WORLD TESTED — Parts are tested on-vehicle and validated to ensure optimal performance on the road
  • EASIER TO INSTALL — Featuring slotted bolt holes (where applicable) for easy installation, gasket slips into place
  • BETTER TOGETHER — Use premium Walker-½ accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade
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Victor Reinz – Exhaust Pipe Flange Gasket (Part No.71-13629-00)

Exhaust Pipe Flange Gasket

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$16.79
With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an original equipment supplier and the trusted choice of manufacturers the world over, offering broad coverage for foreign and domestic cars and trucks. In Victor Reinz gasket sets, you get the right combination of components needed for fast, long-lasting repairs.

Product Features:
  • Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
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Dorman – Exhaust Bolt (Part No.H80151097742DOR)

Exhaust Bolt

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$32.05
Exhaust Bolt

Walker – Exhaust 35229 Exhaust System Hanger Insulator (Part No.35229)

Exhaust 35229 Exhaust System Hanger Insulator

from

$7.79
Complete your exhaust repair with Walker® insulators. Available in a variety of styles and sizes, they’re designed to work with Walker aftermarket replacement parts for quick and easy installation.

Product Features:
  • OE DESIGN — Designed with OE-style features for easy installation and fit
  • PREMIUM MATERIALS — Made from high-quality materials for durability and long life
  • AVAILABLE IN DIFFERENT SIZES — Offered in a variety of styles and sizes for a quality vehicle repair
  • KEEPS EXHAUST PARTS IN PLACE — Designed to support undercar exhaust components
  • BETTER TOGETHER — Use premium Walker accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade
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Dorman – Direct Fit Exhaust Manifold: With Heat Shield (Part No.674-736)

Direct Fit Exhaust Manifold: With Heat Shield

from

$249.99
This exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the original manifold on specified vehicles. It includes all necessary gaskets and downpipe hardware for a complete repair.

Product Features:
  • Ideal replacement – this exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the stock manifold on specified vehicles
  • Reliable construction – durable materials resist warping, cracking and leaking for long-lasting performance
  • Complete repair – includes all necessary gaskets and downpipe hardware
  • Trustworthy design – built by industry leader in aftermarket manifolds
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Dorman – Direct Fit Exhaust Manifold: With Heat Shield (Part No.674-525)

Direct Fit Exhaust Manifold: With Heat Shield

from

$114.99
This exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the original manifold on specified vehicles. It includes all necessary gaskets and downpipe hardware for a complete repair.

Product Features:
  • Ideal replacement – this exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the stock manifold on specified vehicles
  • Reliable construction – durable materials resist warping, cracking and leaking for long-lasting performance
  • Complete repair – includes all necessary gaskets and downpipe hardware
  • Trustworthy design – built by industry leader in aftermarket manifolds
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Dorman – Exhaust Manifold Clamp Repair (Part No.917-142)

Exhaust Manifold Clamp Repair

from

$46.99
This exhaust manifold to cylinder head repair clamp is designed to match the fit and function of the original clamp on specified vehicles, and is engineered for durability and reliable performance.

Product Features:
  • Saves time – When an exhaust manifold fastener breaks, this exhaust manifold repair clamp saves time by creating a seal without needing to extract the broken stud
  • Location-specific – engineered to fit the exhaust manifold on the front left or rear right on specified GM and Isuzu vehicles
  • Complete kit – includes clamp and fasteners for a thorough, secure repair
  • Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
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Dorman – Exhaust Manifold Clamp Repair (Part No.917-107)

Exhaust Manifold Clamp Repair

from

$51.99
This exhaust manifold to cylinder head repair clamp is designed to match the fit and function of the original clamp on specified vehicles, and is engineered for durability and reliable performance.

Product Features:
  • Saves time – When an exhaust manifold fastener breaks, this exhaust manifold repair clamp saves time by creating a seal without needing to extract the broken stud
  • Location-specific – engineered to fit the exhaust manifold on specified GM and Isuzu vehicles on the front right on vehicles without EGR valve, or rear left
  • Complete kit – includes clamp and fasteners for a thorough, secure repair
  • Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
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Dorman – Exhaust Clamp (Part No.H8020683618DOR)

Exhaust Clamp

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$86.91
Exhaust Clamp

Walker – Catalytic Converter- EPA Ultra, Direct Replacement, No Fabrication Needed (Part No.55557)

Catalytic Converter- EPA Ultra, Direct Replacement, No Fabrication Needed

from

$741.99
Designed to comply with EPA standards while delivering premium performance with assured compliance, Walker Ultra Direct-Fit Catalytic Converters provide premium performance and are available for import and domestic OBDII (1996 and newer) vehicles.

Product Features:
  • EPA COMPLIANT — For use on OBDII vehicles, 1996 and newer. Not legal for sale or use in CA, CO or NY. Legal inME on EPA Federal Emission Equipped Vehicles only. Consult your state’s aftermarket converter regulations for details.
  • DIRECT-FIT DESIGN — Direct-fit bolt-on replacement solution with OE-style hangers, brackets, routings and heat shields for easy installation that doesn’t require specialized fabrication and/or welding
  • KEEPS CHECK ENGINE LIGHT OFF FOR EMISSIONS CODES — OE-style high-technology washcoat and optimal precious metal load delivers required reduction in tailpipe emissions to match vehicle application
  • STRONG AND DURABLE — Features thick OE-style flanges, hangers and brackets for strength and durability
  • OE-STYLE DESIGN — Features aluminized heat shields when originally equipped, to match OE design, protecting the undercarriage from heat created by the converter
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Walker – Catalytic Converter- EPA Ultra, Direct Replacement, No Fabrication Needed (Part No.54423)

Catalytic Converter- EPA Ultra, Direct Replacement, No Fabrication Needed

from

$616.99
Designed to comply with EPA standards while delivering premium performance with assured compliance, Walker Ultra Direct-Fit Catalytic Converters provide premium performance and are available for import and domestic OBDII (1996 and newer) vehicles.

Product Features:
  • EPA COMPLIANT — For use on OBDII vehicles, 1996 and newer. Not legal for sale or use in CA, CO or NY. Legal inME on EPA Federal Emission Equipped Vehicles only. Consult your state’s aftermarket converter regulations for details.
  • DIRECT-FIT DESIGN — Direct-fit bolt-on replacement solution with OE-style hangers, brackets, routings and heat shields for easy installation that doesn’t require specialized fabrication and/or welding
  • KEEPS CHECK ENGINE LIGHT OFF FOR EMISSIONS CODES — OE-style high-technology washcoat and optimal precious metal load delivers required reduction in tailpipe emissions to match vehicle application
  • STRONG AND DURABLE — Features thick OE-style flanges, hangers and brackets for strength and durability
  • OE-STYLE DESIGN — Features aluminized heat shields when originally equipped, to match OE design, protecting the undercarriage from heat created by the converter
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MagnaFlow – Performance Exhaust Tailpipe (Part No.15463)

Performance Exhaust Tailpipe

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$152.99
The MagnaFlow Performance Exhaust Tailpipe 15463 is engineered as a universal component for your truck’s exhaust system and optimized for superior flow characteristics and performance. 15463 is mandrel bent, produced using advanced CNC precision robotic manufacturing techniques and features durable, corrosion resistant stainless steel construction. Professional installation is highly recommended.

Product Features:
  • Mandrel bent tubing
  • CNC precision robotic manufacturing techniques
  • Durable corrosion-resistant stainless steel construction
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Walker – Tail Pipe Aluminized 60.625" (Part No.55385)

Tail Pipe Aluminized 60.625"

from

$178.99
Made from aluminized steel for durability, Walker® premium pipe is manufactured with precision benders and fixture checked to ensure a precise fit for quick and easy installation.

Product Features:
  • RESISTS CORROSION — Durable aluminized steel construction for corrosion resistance and performance
  • EASY TO INSTALL — Manufactured with precision bends and OE-style routings, hangers and connectors for easy installation (where applicable)
  • OE-STYLE PERFORMANCE — Direct-fit design is fixture checked to ensure a precise fit that performs like original equipment
  • BETTER TOGETHER — Use premium Walker accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade
  • AVAILABLE IN DIFFERENT SIZES — Offered in a variety of lengths and diameters and features the appropriate Inlet Diameter (I.D.) – Outlet Diameter (O.D.) connection; see product specifications for more information
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MBRP Exhaust – Aluminized Steel, Without Muffler, 4" Pipe Dia, Single Exhaust With Single Exit (Part No.S6004PLM)

Aluminized Steel, Without Muffler, 4" Pipe Dia, Single Exhaust With Single Exit

from

$513.99
Designed to provide maximum performance and maximum value our Performance Series features 100 Percent aluminized steel at a no nonsense price. These systems are designed to provide the MBRP performance and sound you have grown to love to those who are operating on a tight budget. Featuring a two piece tail pipe and bolt-on hangers these systems fit and perform just like our more expensive series at a price point that cannot be beaten. A performance exhaust system is much like a musical instrument. Quality engineering is important, hundreds of test Miles and hundreds of Hours are invested into every system to guarantee you the greatest sound. Durability and performance available from any exhaust system anywhere.

Product Features:
  • The Lowest Bend Degree Angles And Smooth Mandrel Bends Mean That Exhaust Gases Have An Easier Path To The Tip, Move Faster And Reduce Exhaust Gas Temperatures
  • Vehicle Maintains Optimal Operating Temperatures
  • Fits Right The First Time. Rigorous Testing Procedures Ensure That Every Component Will Fit As Expected
  • Each Kit Is Designed To Fit As Many Configurations Of The Same Vehicle As Possible
  • 100 Percent Aluminized Steel
  • Features A Two Piece Tail Pipe And Bolt-On Hangers
  • Easy, Bolt-On Design, Makes Easy To Install
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MBRP Exhaust – Aluminized Steel, With Muffler, 4" Pipe Dia, Single Exhaust With Single Exit (Part No.S6004AL)

Aluminized Steel, With Muffler, 4" Pipe Dia, Single Exhaust With Single Exit

from

$632.99
Made of 100 Percent heavy Gauge aluminized steel our Installer Series is designed to provide the cost conscious consumer with the same high quality design and craftsmanship as our other systems, but at a value price. Installer Series is suitable for areas with moderate environmental conditions. A performance exhaust system is much like a musical instrument. Quality engineering is important, hundreds of test Miles and hundreds of Hours are invested into every system to guarantee you the greatest sound. Durability and performance available from any exhaust system anywhere, and also provided with the free exhaust tip with this Installer Series.

Product Features:
  • The Lowest Bend Degree Angles And Smooth Mandrel Bends Mean That Exhaust Gases Have An Easier Path To The Tip, Move Faster And Reduce Exhaust Gas Temperatures
  • Vehicle Maintains Optimal Operating Temperatures
  • Fits Right The First Time. Rigorous Testing Procedures Ensure That Every Component Will Fit As Expected
  • Each Kit Is Designed To Fit As Many Configurations Of The Same Vehicle As Possible
  • Made Of 100 Percent Heavy Gauge Aluminized Steel
  • Designed To Provide The Cost Conscious Consumer With The Same High Quality Design And Craftsmanship
  • Easy, Bolt-On Design, Makes Easy To Install
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MagnaFlow – Exhaust Diesel Pipe (Part No.15451)

Exhaust Diesel Pipe

from

$111.99
The MagnaFlow 4″ X 34″ Extension 15451 includes a 34in. long, 4in. diameter stainless steel pipe optimized for superior flow characteristics and performance. 15451 is produced using precision CNC robotic manufacturing techniques and features 100% durable, corrosion resistant stainless steel construction. Professional installation is highly recommended.

Product Features:
  • Superior flow & performance
  • CNC precision robotic manufacturing techniques
  • Durable corrosion-resistant stainless steel construction
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Walker – Tail Pipe Aluminized 59" (Part No.55421)

Tail Pipe Aluminized 59"

from

$197.99
Made from aluminized steel for durability, Walker® premium pipe is manufactured with precision benders and fixture checked to ensure a precise fit for quick and easy installation.

Product Features:
  • RESISTS CORROSION — Durable aluminized steel construction for corrosion resistance and performance
  • EASY TO INSTALL — Manufactured with precision bends and OE-style routings, hangers and connectors for easy installation (where applicable)
  • OE-STYLE PERFORMANCE — Direct-fit design is fixture checked to ensure a precise fit that performs like original equipment
  • BETTER TOGETHER — Use premium Walker accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade
  • AVAILABLE IN DIFFERENT SIZES — Offered in a variety of lengths and diameters and features the appropriate Inlet Diameter (I.D.) – Outlet Diameter (O.D.) connection; see product specifications for more information
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Walker – Tail Pipe Aluminized 58.875" (Part No.55538)

Tail Pipe Aluminized 58.875"

from

$249.99
Made from aluminized steel for durability, Walker® premium pipe is manufactured with precision benders and fixture checked to ensure a precise fit for quick and easy installation.

Product Features:
  • RESISTS CORROSION — Durable aluminized steel construction for corrosion resistance and performance
  • EASY TO INSTALL — Manufactured with precision bends and OE-style routings, hangers and connectors for easy installation (where applicable)
  • OE-STYLE PERFORMANCE — Direct-fit design is fixture checked to ensure a precise fit that performs like original equipment
  • BETTER TOGETHER — Use premium Walker accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade
  • AVAILABLE IN DIFFERENT SIZES — Offered in a variety of lengths and diameters and features the appropriate Inlet Diameter (I.D.) – Outlet Diameter (O.D.) connection; see product specifications for more information
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Walker – Clamp U-Bolt Bolt Dia 0.375 Length Nut Type Hex Pipe Dia 3 (Part No.35794)

Clamp U-Bolt Bolt Dia 0.375 Length Nut Type Hex Pipe Dia 3

from

$10.29
Complete your exhaust repair with an Exhaust Mate® U-bolt clamp. Designed to ensure a tight, leak-resistant connection, Exhaust Mate hardware is manufactured from durable and robust material for long service life.

Product Features:
  • CONNECTS EXHAUST PARTS — Provides secure, leak-resistant connection
  • AVAILABLE IN DIFFERENT SIZES — Offered in a variety of styles and sizes for a quality vehicle repair
  • PREMIUM MATERIALS – Made from quality material for durability and long life
  • BETTER TOGETHER — Use Walker® accessories when installing catalytic converters and mufflers for a complete exhaust system upgrade
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Walker – Clamp U-Bolt Bolt Dia 0.375 Length Nut Type Hex Pipe Dia 2.5 (Part No.35337)

Clamp U-Bolt Bolt Dia 0.375 Length Nut Type Hex Pipe Dia 2.5

from

$8.99
Complete your exhaust repair with an Exhaust Mate® U-bolt clamp. Designed to ensure a tight, leak-resistant connection, Exhaust Mate hardware is manufactured from durable and robust material for long service life.

Product Features:
  • CONNECTS EXHAUST PARTS — Provides secure, leak-resistant connection
  • AVAILABLE IN DIFFERENT SIZES — Offered in a variety of styles and sizes for a quality vehicle repair
  • PREMIUM MATERIALS – Made from quality material for durability and long life
  • BETTER TOGETHER — Use Walker® accessories when installing catalytic converters and mufflers for a complete exhaust system upgrade
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Dorman – Exhaust Down Pipe V-Band Clamp (Part No.904-254)

Exhaust Down Pipe V-Band Clamp

from

$69.99
This exhaust clamp is designed to match the function of the original equipment clamp on specified vehicles. Manufactured from quality materials for reliability, it is engineered to help ensure secure connections between exhaust system components.

Product Features:
  • Direct replacement – this exhaust clamp is designed to match the function of the original equipment clamp on specified vehicles
  • Ideal solution – engineered to help ensure secure connections between exhaust system components
  • Durable construction – designed and manufactured to strict specifications for reliable performance
  • Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
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Flowmaster Inc. – 50 Series Muffler, 3in Offset Inlet 3in Offset Outlet, 17in long, Non-Reversible, Moderate Sound (Part No.53058)

50 Series Muffler, 3in Offset Inlet 3in Offset Outlet, 17in long, Non-Reversible, Moderate Sound

from

$184.99
The Super 50 series muffler is a larger version of Flowmaster’s 50 series Delta Flow muffler. Originally designed for trucks and SUV’s, it is also well suited to muscle car and high performance applications. In addition, the larger case size significantly reduces interior resonance and provides a deep, rich tone along with mileage and power gains. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.
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Flowmaster Inc. – Super 40 Series Muffler, 3in Offset Inlet 3in Offset Outlet, Non-Reversible, Aggressive Sound (Part No.953048)

Super 40 Series Muffler, 3in Offset Inlet 3in Offset Outlet, Non-Reversible, Aggressive Sound

from

$133.99
The Super 40 features Flowmaster’s Delta Flow technology. It’s larger case profile provides the best of both worlds of performance and sound. The Super 40 has that deep powerful sound of the Original 40 series but with all the benefits of performance and low interior resonance from the Delta Flow technology. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.
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Walker – Quiet-Flow Muffler, Direct Replacement, No Fabrication Needed (Part No.21522)

Quiet-Flow Muffler, Direct Replacement, No Fabrication Needed

from

$178.99
Designed to deliver superior flow and OE-style sound, Walker® Quiet-Flow® mufflers are available for top-selling domestic and foreign vehicles.

Product Features:
  • EASY TO INSTALL — Direct-fit bolt-on replacement solution with OE-style hangers, brackets and pipe routings for easy installation and doesn’t require specialized fabrication and/or welding
  • RESISTS CORROSION — Internal drainage system helps reduce moisture collection
  • BUILT TO LAST — Internal partitions and mechanically joined tubes allow expansion and contraction during temperature changes to minimize distortion while spun-locked heads and OE-style spot welds provide stability and longer service life
  • PREMIUM ACOUSTIC CONTROL — OE-style louvered tubes lower noise levels while OE-style domed heads help reduce radiated noise for premium factory-style sound quality compared to straight perforated tubes
  • DESIGN VALIDATED — Acoustic and flow tested for quality OE-style sound you can count on
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2003 GMC Sierra 3500 Exhaust Parts

You count on your 2003 GMC Sierra 3500 to run right. That means taking care of it with regular maintenance, necessary repairs, and the right parts. Advance Auto Parts can help with all of that thanks to our extensive inventory of trusted Exhaust Parts. With 71 Exhaust Parts ranging in price from $6.49 to $849.99, you’re sure to find everything you need for your 2003 GMC Sierra 3500.

Brands matter. If you want to shop a specific Exhaust Parts brand, we stock 14 different brands like Dorman, Walker, and Felpro. 2003 GMC Sierra 3500 Exhaust Parts start as low as $6.49!

One of the best ways to find top quality OEM or aftermarket Exhaust Parts is by asking professionals. Short of that, you can shop with confidence thanks to our 870 extensive product reviews on 2003 GMC Sierra 3500 Exhaust Parts. Some of the top-rated Exhaust Parts products we carry are Direct Fit Exhaust Manifold: With Heat Shield with 4.8 stars and Exhaust Pipe Flange Gasket with 4.7 stars.

Did we mention you can order your Exhaust Parts from our online catalog and have them shipped right to your garage? Or, if you feel like seeing the parts first-hand, search for your nearest Advance Auto Parts location above and pick up in-store when you’re ready. Browse our full Exhaust Parts inventory for your 2003 GMC Sierra 3500 below to get started!

Top-Rated Exhaust Parts Brands For Your 2003 GMC Sierra 3500

Trusted Exhaust Parts OEM and aftermarket product brands are what Advance Auto Parts specializes in. The brands we work with are sure to keep that 2003 GMC Sierra 3500 running right for years to come. In our inventory you’ll find brands like Dorman, Walker, Felpro, and even more.

Popular MAHLE Original Exhaust Parts

You’ll find popular MAHLE Original brand products across Exhaust Gaskets. All are waiting to get your 2003 GMC Sierra 3500 back on the road. Some of the top-rated MAHLE Original products in these categories are:
EXHAUST MANIFOLD SET
from $18.99
(2)
EXHAUST MANIFOLD SET
Exhaust Manifold Gaskets
EXH MANIFOLD GKT SET
from $35.99
(11)
EXH MANIFOLD GKT SET
Exhaust Manifold Gaskets

Top-Rated Dorman – Help Exhaust Parts


If Dorman – Help are what you’re looking for, our inventory holds plenty. We stock Dorman – Help brand Exhaust Parts for your 2003 GMC Sierra 3500, and some of our most reviewed Dorman – Help parts include:
Exhaust Manifold Hardware Kit
from $15.99
(20)
Exhaust Manifold Hardware Kit
Exhaust Manifold Hardware Kits
Exhaust Stud Kit - M10-1.5 x 62mm
from $17.29
(19)
Exhaust Stud Kit – M10-1.5 x 62mm
Exhaust Hangers and Hardware
Exhaust Manifold Hardware Kit
from $17.99
(17)
Exhaust Manifold Hardware Kit
Exhaust Manifold and Header Hardware

FAQs for 2003 GMC Sierra 3500 Exhaust Parts

What are the most purchased Exhaust Parts for the 2003 GMC Sierra 3500?

Out of 71 Exhaust Parts for the 2003 GMC Sierra 3500, the most popular in our inventory are:
Exhaust 35229 Exhaust System Hanger Insulator
from $7.79
(31)
Exhaust 35229 Exhaust System Hanger Insulator
Exhaust System Insulators
Exhaust Manifold Gasket Set
from $31.99
(37)
Exhaust Manifold Gasket Set
Exhaust Manifold Gaskets

What are the top-rated 2003 GMC Sierra 3500 Exhaust Parts?

Top-rated Exhaust Parts for your 2003 GMC Sierra 3500 based on customer reviews/ratings are:
Direct Fit Exhaust Manifold: With Heat Shield
from $114.99
(16)
Direct Fit Exhaust Manifold: With Heat Shield
“Very pleased”
Exhaust Pipe Flange Gasket
from $6.49
(13)
Exhaust Pipe Flange Gasket
“Great product for the price”
Direct Fit Exhaust Manifold: With Heat Shield
from $162.99
(12)
Direct Fit Exhaust Manifold: With Heat Shield
“Thanks”