2012 GMC Sierra 2500 HD Exhaust Parts

Essential 2012 GMC Sierra 2500 HD Exhaust Parts

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
See More

Mr. Gasket – Black Oxide Header Bolts for Tight Spaces (Part No.918G)

Black Oxide Header Bolts for Tight Spaces

from

$12.79
Black oxide finished carbon steel header bolts have a compact hex head and the flange is ideal for use where space is minimal – your typical header flange. Includes twelve (12) M8 – 1.25 x 25mm header bolts.

Product Features:
  • 12 per Package
  • Fits GM LS Series Engines
  • Black Oxide Finish Resists Corrosion
See More

Dorman – Help – Exhaust Manifold Hardware Kit (Part No.03413B)

Exhaust Manifold Hardware Kit

from

$17.99
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
See More

aFe POWER – Large Bore-HD DPF Back Exhaust System: Black Tip, 409 Stainless Steel, Unleashes All Available HP (Part No.49-44085-B)

Large Bore-HD DPF Back Exhaust System: Black Tip, 409 Stainless Steel, Unleashes All Available HP

from

$585.99
Simple Installation: All systems use factory mounting locations providing stability and hassle-free installation. Leak-Free Seal: High quality band clamps are included for a complete 360 degree sealing surface. OE Fit: OE-style bayonet hangers are used to maintain a stable pipe location during high vibration and high heat conditions. The bayonet tip holds the hanger bushing in place for an OE-style fit that does not change with time. Flow and Performance: This Large Bore-HD exhaust system is constructed of 5″ mandrel-bent 409 stainless steel tubing for maximum flow. Smooth transition bends allow for low turbulence, increasing horsepower, torque and lowering EGT’s. 6″ Diameter Black Intercooled Tip: Finishing off the exhaust is a 6″ diameter, black, stainless steel slash cut tip with intercooling vents designed to reduce exhaust gas temperatures at the tailpipe. A unique stainless steel laser-cut aFe Power logo plate is riveted on for an aggressive style.

Product Features:
  • Mandrel Bent 409 Stainless Steel Tubing
  • High Quality Band Clamps
  • OE Style Bayonet Hangers
  • Factory Mounting Locations
See More

Carquest Premium – Exhaust Gas Temperature (EGT) Sensor (Part No.EGA1396)

Exhaust Gas Temperature (EGT) Sensor

from

$65.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
See More

Dorman – Exhaust Gas Temperature Sensors (Part No.904-513)

Exhaust Gas Temperature Sensors

from

$73.99
EGT sensors frequently seize in the exhaust bung, making replacement difficult and damaging the bung. This Dorman OE FIX solution directly replaces the sensor and comes with a bung repair kit just in case.

Product Features:
  • Convenient solution – this replacement EGT sensor comes with a bung repair kit in case the bung is damaged during removal
  • Cost-effective fix – bung repair kit allows direct repair of damaged bung instead of replacing entire exhaust pipe
  • Complete kit – comes with sensor, new bung, weld-on plate and zip tie
  • Quality engineering – designed in the United States and backed by decades of automotive aftermarket experience
See More

Dorman – Help – Exhaust Flange Stud Kit – M10-1.5 x 62mm Stainless Steel (Part No.03133HP)

Exhaust Flange Stud Kit - M10-1.5 x 62mm Stainless Steel

from

$26.99
This exhaust flange stud and nut are designed to match the fit and function of the original hardware on specified vehicles. Made of quality materials, this hardware is engineered for reliable performance.

Product Features:
  • Upgraded hardware – this set of six M10-1.5 exhaust manifold mounting studs and nuts are 100 percent stainless steel for superior heat and corrosion resistance
  • Convenient solution – kit contains all the application-specific hardware necessary to join one exhaust manifold to one manifold flange
  • Matches fit – this hardware matches the fit and function of the factory fasteners, while offering superior durability
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
See More

Dynomax – 36409 Exhaust System Hanger (Part No.36409)

36409 Exhaust System Hanger

from

$40.49
Complete your exhaust repair with DynoMax® exhaust system hangers. Designed with OE-style features (where applicable) to support undercar exhaust components, DynoMax exhaust system hangers are manufactured from durable and robust material for long service

Product Features:
  • KEEPS EXHAUST PARTS IN PLACE — Designed to support undercar exhaust components
  • OE DESIGN — Designed with OE-style features (where applicable) for easy installation
  • AVAILABLE IN DIFFERENT SIZES — Offered in a variety of styles and sizes for a quality vehicle repair
  • PREMIUM MATERIALS – Made from quality steel for durability and long life
  • BETTER TOGETHER — Use premium DynoMax® accessories when installing DynoMax mufflers and exhaust systems for a complete performance exhaust system upgrade
See More

Dorman – HD Solutions – Exhaust Pipe Flange Gasket Kit (Part No.674-9060)

Exhaust Pipe Flange Gasket Kit

from

$35.99
Damaged exhaust gaskets causing an exhaust leak? This exhaust flange gasket seals the exhaust system where two components are joined by a flange. This direct-replacement gasket matches the original design for a perfect fit.

Product Features:
  • Direct replacement – this exhaust flange gasket matches the original gasket for a perfect fit
  • Complete repair solution – this flange gasket should be replaced any time service is performed on any of the related exhaust components
  • Excellent value – original equipment quality at a competitive price
  • Quality tested – This gasket has undergone material testing to meet product standards and quality
See More

Felpro – Exhaust Pipe Flange Gasket (Part No.61457)

Exhaust Pipe Flange Gasket

from

$13.49
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered for the sealing repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
See More

Walker – Clamp U-Bolt Bolt Dia 0.375 Length Nut Type Hex Pipe Dia 3.5 (Part No.35753)

Clamp U-Bolt Bolt Dia 0.375 Length Nut Type Hex Pipe Dia 3.5

from

$6.29
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
See More

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
See More

Dynomax – Ultra Flo Muffler: Universal Fit, Stainless Steel, 25" L, 4" In, 4" Out, Oval (Part No.17557)

Ultra Flo Muffler: Universal Fit, Stainless Steel, 25" L, 4" In, 4" Out, Oval

from

$195.99
DynoMax Ultra Flo Welded performance stainless steel mufflers feature 100-percent welded construction for lifelong durability. The unrestricted, straight-through design dyno proven to flow up to 2,000 SCFM and support up to 2,000 horsepower. Each muffler

Product Features:
  • Stainless steel construction for lifelong protection
  • 100% welded design for maximum durability
  • Straight through design ensures unrestricted exhaust flow and reduces back pressure
  • CRF Technology absorbs unwanted interior resonance while maintaining a deep performance tone
  • Dyno proven to flow up to 2,000 SCFM and support up to 2,000 horsepower.
See More

Walker – Quiet-Flow Muffler, Direct Replacement, No Fabrication Needed (Part No.22307)

Quiet-Flow Muffler, Direct Replacement, No Fabrication Needed

from

$319.99
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
See More

Dorman – Direct Fit Exhaust Manifold: With Heat Shield (Part No.674-732)

Direct Fit Exhaust Manifold: With Heat Shield

from

$162.99
Certain original equipment exhaust manifolds warp and crack due to lower-grade iron construction. This Dorman OE FIX replacement is made of high-grade ductile iron that better handles heat and stress for greater durability.

Product Features:
  • Upgraded materials – this replacement exhaust manifold is constructed of ductile iron to prevent future warping and cracking
  • Complete kit – includes new manifold, manifold gasket, 2 flange gaskets, 3 studs, 3 nuts
  • Direct fit – reverse engineered from original equipment for seamless installation
  • Quality engineering – designed and tested in the United States
See More

aFe POWER – Twisted Steel Header (Part No.48-44001)

Twisted Steel Header

from

$1052.99
The new Twisted Steel performance header from aFe Power is redefining the header industry with new pulse control technology. aFe engineers have designed this header using optimum tube lengths and mitered collectors for maximum flow and velocity for power delivery across the entire power band. Combine with a large 1/2″ thick head flange and 14-gauge 409 stainless steel tubing, you have a header that is strong and powerful. Twisted Steel headers are 100-percent bolt-on with no modifications necessary and are proudly engineered and built in Corona, CA.

Product Features:
  • No Cutting Or Drilling Required
  • Formed Collectors
  • Heavy Duty Flanges
See More

MagnaFlow – HM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter (Part No.60501)

HM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter

from

$771.99
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 60501. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this spun body converter yourself using the proper tools, no cutting or welding required. MagnaFlow’s state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE spun body design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. This direct-fit catalytic converter is designed to fit the 2001-2005 Chevrolet Silverado 2500 HD, 2001-2005 GMC Sierra 2500 HD, and additional vehicles. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with Federal/EPA Emission systems.

Product Features:
  • Expertly crafted to replicate OEM-like flow dynamics, maintaining factory performance and fuel efficiency.
  • Simplifies installation with essential gaskets and hardware being included in the box.
  • Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last.
See More

Walker – Catalytic Converter- EPA Ultra, Direct Replacement, No Fabrication Needed (Part No.50572)

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

from

$1331.99
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
See More

Walker – Extension Pipe Aluminized 31" (Part No.53896)

Extension Pipe Aluminized 31"

from

$145.99
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
  • COMPATIBILITY — Ideal for weld or clamp installations
See More

Walker – Extension Pipe Aluminized 18.75" (Part No.52566)

Extension Pipe Aluminized 18.75"

from

$144.99
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
  • COMPATIBILITY — Ideal for weld or clamp installations
See More

Dorman – Exhaust Clamp (Part No.H8020683618DOR)

Exhaust Clamp

from

$86.00
Exhaust Clamp

Dorman – Exhaust Gas Temperature Bung Repair (Part No.904-528)

Exhaust Gas Temperature Bung Repair

from

$34.99
This exhaust gas temperature (EGT) sensor bung repair kit is designed to match the original components required to repair the sensor bung on specified vehicles. Made of quality components, this kit is engineered for reliable performance and durability.

Product Features:
  • Cost-effective fix – this EGT sensor bung repair kit allows direct replacement of only a failed bung, rather than an entire exhaust pipe
  • Weld-on plate – bung comes with steel plate for repairing pipe if damaged during bung removal
  • Application specific – designed for a wide range of vehicle years, makes and models
  • This part has undergone vehicle try-on testing for conformance to product standards and quality
See More

Victor Reinz – Exhaust Manifold Gasket Set (Part No.11-10604-01)

Exhaust Manifold Gasket Set

from

$27.49
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.
See More

MAHLE Original – EXH MANIFOLD GKT SET (Part No.MS16124)

EXH MANIFOLD GKT SET

from

$35.99
MAHLE gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.

Product Features:
  • All MAHLE gaskets meet or exceed the original equipment specifications providing the finest sealing products available
  • MAHLE gaskets utilizes OE equivalent or better materials in all our gaskets
  • MAHLE gaskets is the leader in Domestic, Asian and European applications
  • The contents of MAHLE gaskets are packaged in shrink wrapped tray, giving you the added security of knowing that you have the right parts, prior to opening the package
See More

Victor Reinz – Exhaust Manifold Gasket Set (Part No.11-10264-01)

Exhaust Manifold Gasket Set

from

$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.
See More

Walker – Tail Pipe Aluminized 69.25" (Part No.56267)

Tail Pipe Aluminized 69.25"

from

$237.99
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
See More

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
See More

Walker – Tail Pipe Aluminized 59" (Part No.55421)

Tail Pipe Aluminized 59"

from

$213.99
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
See More

2012 GMC Sierra 2500 HD Exhaust Parts

You count on your 2012 GMC Sierra 2500 HD 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 64 Exhaust Parts ranging in price from $6.29 to $1,509.99, you’re sure to find everything you need for your 2012 GMC Sierra 2500 HD.

Brands matter. If you want to shop a specific Exhaust Parts brand, we stock 15 different brands like Dorman, Felpro, and Walker. 2012 GMC Sierra 2500 HD Exhaust Parts start as low as $6.29!

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 1,344 extensive product reviews on 2012 GMC Sierra 2500 HD Exhaust Parts. Some of the top-rated Exhaust Parts products we carry are Direct Fit Exhaust Manifold: With Heat Shield with 4.7 stars and Exhaust Manifold Clamp Repair with 4.9 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 2012 GMC Sierra 2500 HD below to get started!

Top-Rated Exhaust Parts Brands For Your 2012 GMC Sierra 2500 HD

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 2012 GMC Sierra 2500 HD running right for years to come. In our inventory you’ll find brands like Dorman, Felpro, Walker, 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 2012 GMC Sierra 2500 HD back on the road. Some of the top-rated MAHLE Original products in these categories are:
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 2012 GMC Sierra 2500 HD, and some of our most reviewed Dorman – Help parts include:
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 Hardware Kits
Direct Fit Exhaust Manifold: With Heat Shield
from $114.99
(16)
Direct Fit Exhaust Manifold: With Heat Shield
Exhaust Manifold and Headers

FAQs for 2012 GMC Sierra 2500 HD Exhaust Parts

What are the most purchased Exhaust Parts for the 2012 GMC Sierra 2500 HD?

Out of 64 Exhaust Parts for the 2012 GMC Sierra 2500 HD, 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
Exhaust Pipe Flange Gasket
from $6.49
(13)
Exhaust Pipe Flange Gasket
Exhaust Pipe and Flange Gaskets

What are the top-rated 2012 GMC Sierra 2500 HD Exhaust Parts?

Top-rated Exhaust Parts for your 2012 GMC Sierra 2500 HD based on customer reviews/ratings are:
Direct Fit Exhaust Manifold: With Heat Shield
from $162.99
(12)
Direct Fit Exhaust Manifold: With Heat Shield
“Thanks”
Exhaust Manifold Clamp Repair
from $51.99
(10)
Exhaust Manifold Clamp Repair
“4.8l vortec exhaust manifold gasket leak repair”