1998 GMC Exhaust Gaskets & Seals Gaskets & Seals - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

SCE Pro Copper Embossed Exhaust Gaskets

Clean, flat surfaces are essential to a good seal. However, that type is surface is rarely available. The best way to seal a warped or uneven exhaust is with SCE Pro Copper embossed exhaust gaskets. These replacements feature an embossed O-ring around the exhaust port to increase sealing pressure for tight, leak-proof performance, even on imperfect surfaces. Whether your ride is a motor home or hot rod, or is used for towing or racing, you'll appreciate the trouble-free seal of SCE Pro Copper embossed exhaust gaskets, available for a wide range of port styles and sizes.

4.24 out of 5 stars ( 120 )

$27.80

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$51.44

Summit Bucks

Fel-Pro Exhaust Manifold Gaskets

Unwanted engine noise and fumes under the hood can often be traced to poor seals. Fel-Pro offers an extensive line of replacement gaskets to provide a leak-free connection between your intake and exhaust manifolds. Designed for OE-style fitment on hundreds of specific makes/models, the gaskets are crafted from top-quality materials, such as steel core laminate and compressed fiber laminate. Order the gasket configuration to match your exhaust manifold specs.

4.73 out of 5 stars ( 197 )

$14.99

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$23.99

Summit Bucks

Fel-Pro Exhaust Pipe Flange Gaskets

Fel-Pro exhaust pipe flange gaskets are high-quality, direct fit OE replacements for your stock original. They're manufactured from a variety of quality materials, such as steel, composite, graphite, and laminate. Well-made gaskets won't burn, shrink, or leak—ensuring a superior seal! These exhaust pipe flange gaskets are available in various styles and configurations for fitment on virtually any make/model. Order the Fel-Pro gaskets that match your vehicle specs.

4.56 out of 5 stars ( 99 )

$3.99

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$16.99

SCE Graph-Form Premium Header Gaskets

SCE Graph-Form premium header gaskets feature an extra-thick design so they can conform to warped or pitted header and exhaust system sealing surfaces as much as 1/16 in. out of tolerance. Proprietary Graph-Form material outperforms all competing brands for high-temperature sealing. These premium header gaskets are made of an exclusive high-density, super hi-temp graphite—and require only basic port shape similarity. They seal as well as copper, but offer easier fitment. Choose the style and configuration designed for fitment on your vehicle.

4.73 out of 5 stars ( 15 )

$31.74

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$36.83

SCE Pro Copper Annealed Exhaust Gaskets

Manufactured from reusable .062 in. thick flat annealed copper, these SCE Pro Copper exhaust gaskets will conform to rough or damaged surfaces to provide a tight, leak-proof seal. Whether your ride is a motor home or hot rod, or used for towing or racing you'll appreciate the trouble-free seal of properly fitted SCE Pro Copper exhaust gaskets.

3.8 out of 5 stars ( 5 )

$91.19

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$99.48

Clearance

Hedman Header Gaskets

Hedman header gaskets are made of a special gasket material developed for Hedman. Accept no substitute. Hedman gaskets are available for all header applications. They were made to be exact matches to their headers, ensuring a proper fit and seal. Check with your header installation instructions to get the proper number for your headers.

4.6 out of 5 stars ( 162 )

$18.99

Clearance

Walker Exhaust Flange Gaskets

Walker exhaust flange gaskets will help you seal up those unwanted exhaust leaks. They're manufactured from a variety of quality materials to ensure a perfect seal. The gaskets are available in a hundreds of styles and configurations to fit your specific application.

4.54 out of 5 stars ( 173 )

$5.99

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$19.99

Edelbrock Exhaust Gaskets

When installing new headers, or putting them back on after working on your vehicle, it's important to use a new set of gaskets. Edelbrock exhaust gaskets are made of EnCore HTX-900--a high-density, non-asbestos, fiber/metal core composite material consisting of two graphite coated, heat-resistant, fiber-blended sheets that are mechanically and chemically fused to an expanded steel core. The finished product provides high heat resistance, excellent load retention, and unmatched sealing performance on exhaust manifolds and headers. A 50 percent recovery rate allows for gasket expansion in the event your header loses the proper header bolt torque. Edelbrock exhaust gaskets are the perfect choice.

4.64 out of 5 stars ( 45 )

$33.95

SCE AccuSeal Pro Exhaust Gaskets

SCE offers AccuSeal Pro exhaust gaskets for countless year/make and engine applications, from the 1950s and up. These premium seals are available in steel/graphite and composite materials—for nearly 20 port styles, in different heights, widths, and quantities. Order the gaskets recommended for your vehicle. Additional product details: * Designed for extreme exhaust header/manifold high-temperature and pressure usage * Perforated steel core provides superior strength, durability, and fastener torque retention to eliminate gasket failure * Graphite facing applied to both sides of core provides extreme heat resistance to prevent blowout and burnout * Good adaptability to seal header/manifold flange irregularities * Will not impede exhaust flow * Permits easy removal of gasket for engine service * Available for most OE and aftermarket cylinder heads

4.55 out of 5 stars ( 22 )

$15.70

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$23.01

BBK Reinforced Header Gaskets

BBK reinforced header gaskets are made from the highest quality materials available. They feature a durable steel wire core to eliminate heat cracking and exhaust leaks, and provide a great seal. They're designed for use with your BBK headers, so you can depend on these gaskets to go the extra mile.

4.35 out of 5 stars ( 43 )

$49.99

Chevrolet Performance Exhaust Manifold Gaskets

These Chevrolet Performance exhaust manifold gaskets will provide a leak-free seal when installing your exhaust manifolds. Chevrolet Performance exhaust manifold gaskets are made of high-grade materials to reduce the chance of a blowout under high exhaust temperatures or pressure. Choose these Chevrolet Performance exhaust manifold gaskets to get the job done right the first time.

4.5 out of 5 stars ( 8 )

$25.99

Mahle Original Exhaust Pipe Flange Gaskets

Mahle Original exhaust pipe flange gaskets provide OE sealing solutions for your vehicle. Their gaskets are manufactured from the best materials in various styles and configurations to deliver world-class sealing trusted by technicians around the globe. They are also offer wide-spread coverage to service many makes and models. Prevent exhaust gases from escaping with the leak-free performance of Mahle Original exhaust pipe flange gaskets.

4.42 out of 5 stars ( 12 )

$8.99

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$10.99

Flowtech Real-Seal Header Gaskets

Real-Seal header gaskets from Flowtech are a revolutionary breakthrough in sealing technology. Constructed of separate layers of "dead soft" aluminum, they provide a do-it-once solution that won't burn or blow out. These water and weather-resistant gaskets conform to create a leakproof seal, are suitable for port matching, and you can use them over and over again.

3.67 out of 5 stars ( 3 )

$96.25

Remflex Exhaust Flange Gaskets

Remflex exhaust flange gaskets feature 100 percent flexible graphite construction that's effective up to 3,000 degrees F, far exceeding any vehicle's exhaust system temperature. The unique material has been proven for over three decades in industrial applications, where temperatures routinely exceed 2,000 degrees F. They're designed to crush up to 50 percent, filling uneven surfaces for maximum sealing and eliminating the potential for exhaust leaks. Order the replacement gaskets tailored for your vehicle application.

4.88 out of 5 stars ( 32 )

$25.83

SCE AccuSeal E Exhaust Gaskets

Your budget doesn't need to take a hit every time you buy gaskets; and you never need to sacrifice quality. SCE AccuSeal E Series is the common sense gasket line for engine builders, racers, or weekend warriors who want a better gasket at a reasonable price. AccuSeal E exhaust gaskets hold up under high temperatures and pressures; they're available for nearly 20 port styles in a variety of sizes and quantities. Order the seals recommended for your application. Additional product details: * Designed for exhaust header/manifold high-temperature and pressure usage * Kevlar® and graphite material combination provides extreme heat resistance, strength, and durability * Composite or paper gasket material also available (select models) * Resists blowout and burnout from exhaust high-temperature and pressure * Good adaptability to seal header/manifold flange irregularities * Can be trimmed easily for modified port applications. * Permits easy removal of gasket for engine service * Available for a variety of year/make and engine applications, from the early 1950s and up

4.6 out of 5 stars ( 5 )

$17.24

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$161.33

Dynomax Collector Gaskets

These collector gaskets are made to Dynomax's specifications, so you know they'll fit properly. They are made from a special high temperature-resistant material, so they'll last longer than bargain-bin gaskets. Available in different sizes and styles, Dynomax collector gaskets will help keep your exhaust leak-free.

Not Yet Reviewed

$7.99

ACDelco A.I.R. Tube Gaskets

ACDelco A.I.R. tube gaskets offer the same quality and fitment as the OEM gasket on your engine's air injection reactor (A.I.R.) tubes. Don't let a leaky gasket affect the performance of your vehicle. These replacement seals are available for a variety of GM applications.

5.0 out of 5 stars ( 1 )

$5.99

Mahle Original Exhaust Gaskets

Leaks in the exhaust manifold produce bad exhaust valves, a loss of power, and increased fuel consumption. Mahle Original exhaust gaskets require metal beads where the gas passes through at very high temperatures and low pressure. These metal beads are reinforced with metal sheets to resist the component movement that arises from large fluctuations in temperature.

4.64 out of 5 stars ( 14 )

$13.99

Chevrolet Performance Exhaust Manifold Donut Seals

Chevrolet Performance has you covered when it comes to quality seals for your exhaust. These exhaust manifold donut seals are direct replacements for the OE pieces, so you can be assured of proper fit and performance!

5.0 out of 5 stars ( 6 )

$11.99

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$61.99

JBA Performance Exhaust Header Gaskets

JBA Performance Exhaust offers exhaust header gaskets to aid in the fitment of your JBA exhaust product to fix an exhaust manifold gasket leak—or prevent it from happening in the first place. These premium header flange gaskets feature a steel core laminate construction to ensure a good seal and are available in a variety of gasket applications to be an exact port match with JBA Performance Exhaust headers.

4.56 out of 5 stars ( 16 )

$40.20

AP Exhaust Flange Gaskets

AP's assortment of products has grown to include mufflers, exhaust and tailpipes, catalytic converters, and other related installation and cosmetic accessories, including exhaust flange gaskets. AP exhaust flange gaskets are made with premium materials to withstand the higher temperatures of today's engines. Build the exhaust of your dreams with help from AP Exhaust!

4.56 out of 5 stars ( 18 )

$1.99

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$3.99

SCE AccuSeal Pro Dyno-Paks

SCE offers AccuSeal Pro Dyno-Paks for countless year/make and engine applications, from the early 1950s and up. These exhaust header and manifold gaskets are made from steel and graphite for a dozen port styles—in different heights and widths. The seals come in sets of 10 pairs, so you'll always have a fresh supply on hand. Order the Dyno-Pak recommended for your vehicle. Additional product details: * Designed for extreme exhaust header/manifold high-temperature and pressure usage * Perforated steel core provides superior strength, durability, and fastener torque retention to eliminate gasket failure * Graphite facing applied to both sides of core provides extreme heat resistance to prevent blowout and burnout * Good adaptability to seal header/manifold flange irregularities * Permits easy removal of gasket for engine service

Not Yet Reviewed

$184.40

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$207.44

SCE AccuSeal E Dyno-Paks

SCE offers AccuSeal E Dyno-Paks for countless year/make and engine applications, from the early 1950s and up. These exhaust header and manifold gaskets are made from graphite/Kevlar® for nearly a dozen port styles—in different heights and widths. The seals come in sets of 10, so you'll always have a fresh supply on hand. Order the Dyno-Pak recommended for your vehicle. Additional product details: * Designed for exhaust header/manifold high-temperature and pressure usage * Kevlar® and graphite combination provides extreme heat resistance, strength, and durability * Resists blowout and burnout from exhaust high-temperature and pressure * Good adaptability to seal header/manifold flange irregularities * Can be trimmed easily for modified port applications. * Permits easy removal of gasket for engine service

Not Yet Reviewed

$161.33