1978 GMC K25 Exhaust Manifold Gaskets
Your 1978 GMC K25 might be the best vehicle you’ve ever owned. Or you may just be struggling to keep it highway-approved. No matter the situation, Advance Auto Parts has the Exhaust Manifold Gaskets you desperately need.
We currently carry 37 Exhaust Manifold Gaskets to choose from for your 1978 GMC K25, and our inventory prices range from as little as $17.29 up to $85.39.
On top of low prices, Advance Auto Parts offers 7 different trusted brands of Exhaust Manifold Gaskets for the 1978 GMC K25. We only sell parts from trusted brands like Felpro so that you can find quality parts you can count on.
Don’t take our word for it – check out customer ratings and reviews to buy with confidence. We have 93 reviews on our Exhaust Manifold Gaskets for the 1978 GMC K25 from previous customers.
Have parts delivered straight to your home, or find the nearest Advance Auto Parts store to check out our Exhaust Manifold Gaskets stock in-person!
Exhaust Manifold Gaskets for Your 1978 GMC K25
Felpro – Exhaust Manifold Gasket Set (Part No.MS 9275 B)
from
$19.99
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:
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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
- Contains all gaskets and seals to remove and replace exhaust manifold
- Contains all gaskets and seals to remove and replace exhaust manifold
Mr. Gasket – Exhaust Gasket Set (Part No.153)
from
$36.49
Mr. Gasket Performance Header Gaskets are manufactured from a heavy duty high-temperature material, .062 inch? thick, consisting of an acrylic binder system to resist high temperature. Provides excellent sealing and durability with maximum torque retention to eliminate gasket failure. While precision die-cut for an excellent fit, it can be trimmed if necessary for modified port applications. For original equipment replacement, higher performance street, drag race and oval track use.brbrFits Chevrolet 396,402,427,454 Gen IV Big Blocks with Round Ports up to 1.85 x 1.90 inches.
Product Features:
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Product Features:
- Manufactured from high-temperature acrylic blend exhaust material
- Provides excellent sealing and durability
- Precision die-cut for an excellent fit
- Can be trimmed if necessary for modified port applications
- For OE replacement, high performance street, drag race and oval track use
Mr. Gasket – Aluminum Exhaust Gaskets for Intense Heat Resistance (Part No.7402G)
from
$42.99
Upgrade to Mr. Gasket Aluminum Layered Header Gaskets and eliminate blown exhaust gaskets forever. They conform to warped and damaged surfaces to create an airtight, leak-proof seal and will not shrink or deteriorate EVER.
Product Features:
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Product Features:
- Withstands Intense Exhaust Heat
- Reusable header, exhaust manifold and collector flange gaskets
- Manufactured from “dead soft” aluminum layers – .125″ thick
- Easy Removal For Disassembly
- Conforms easily to surface irregularities (warped flanges)
- Compresses down to 0.060″ to create a tight leak-proof seal
- Will not shrink, deteriorate, or blow out- eliminating gasket leaks
- For high performance street, drag race and oval track use
Mr. Gasket – Exhaust Gasket: High-Temperature Protection, Durability, and Reliable Sealing (Part No.150A)
from
$27.49
Mr. Gasket Performance exhaust gasket material is a heavy duty material, .062 inch thick, consisting of an acrylic binder system to resist high temperature. This material is made for sealing exhaust applications. Provides excellent sealing and durability.
Product Features:
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Product Features:
- Manufactured from high-temperature acrylic blend exhaust material
- Provides excellent sealing and durability
- Can be trimmed if necessary for modified port applications
- For OE replacement, high performance street, drag race and oval track use
- Resists Deteriorating
- Provides Excellent Torque Retention
Felpro – Intake and Exhaust Manifolds Combination Gasket (Part No.MS 9786)
from
$17.29
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:
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Product Features:
- Meets or exceeds all original equipment specifications
- Application specific design to ensure a perfect fit
- Premium quality parts
- Engineered and manufactured specifically for the repair environment
- Unsurpassed quality you can trust
Mr. Gasket – Aluminum Exhaust Gasket: High-Heat Resistant, Easy Removal (Part No.7401G)
from
$42.99
Upgrade to Mr. Gasket Aluminum Layered Header Gaskets and eliminate blown exhaust gaskets forever. They conform to warped and damaged surfaces to create an airtight, leak-proof seal and will not shrink or deteriorate EVER.
Product Features:
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Product Features:
- Withstands Intense Exhaust Heat
- Reusable header, exhaust manifold and collector flange gaskets
- Resists Deteriorating
- Manufactured from “dead soft” aluminum layers – .125″ thick
- Easy Removal For Disassembly
- Conforms easily to surface irregularities (warped flanges)
- Compresses down to 0.060″ to create a tight leak-proof seal
- Will not shrink, deteriorate, or blow out- eliminating gasket leaks
- For high performance street, drag race and oval track use
Felpro – Exhaust Manifold Gasket Set (Part No.MS 90206)
from
$25.99
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:
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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
- Contains all gaskets and seals to remove and replace exhaust manifold
- Contains all gaskets and seals to remove and replace exhaust manifold
Hooker Headers – Super Competition Header Gasket (Part No.10808HKR)
from
$23.29
Hooker’s precision-matched Super Competition header gaskets provide a sure fit and unmatched exhaust sealing. This OEM quality gasket is constructed of a thick ,.060 inch, high temperature, non-asbestos fiber laminate with a perforated steel core, which provides a superior grip and adhesion. This construction also contributes to exact fit compliance between the cylinder head and header flange, offering excellent sealing properties during extreme temperature and operating conditions.
Product Features:
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Product Features:
- Tear Resistant
- Precisely Cut To Match Header
Mr. Gasket – Copper Seal: Exhaust Gasket Set (Part No.7153)
from
$59.99
Mr. Gasket CopperSEAL Header Gaskets are a high quality copper gasket that performs extremely well and are reusable. We recommend this in all racing and high performance applications. They are for stock heads unless indicated, and work well in high heat and turbocharged applications.
Product Features:
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Product Features:
- Manufactured from ¿Dead Soft¿ (solid) .043″ thick copper material.
- Manufactured from ┐Dead Soft┐ (solid) .043″ thick copper material.
- .051″ embossment around each exhaust port to seal irregular surfaces. Total gasket thickness .094″
- Total gasket thickness .094″.
- Provides excellent sealing and durability
- Conforms to and seals minor surface irregularities
- For high performance street, drag race, oval track and turbocharged (extreme heat) applications.
Mr. Gasket – Exhaust Gasket Set (Part No.150)
from
$30.19
Manufactured from high-temperature composite exhaust material. Provides maximum torque retention to eliminate gasket failure. Can be trimmed if necessary for modified port applications. Precision die cut for an excellent fit. For OE replacement, high-performance street, drag race and oval track.
Product Features:
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Product Features:
- High-Temperature Exhaust Material
- Withstands Extreme Exhaust Heat
- Provides Excellent Sealing And Durability
- Superior Tensile Strength
- Resists Deteriorating
- Provides Excellent Torque Retention
Felpro – Exhaust Manifold Gasket Set (Part No.MS 90502)
from
$26.49
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:
See More
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
- Contains all gaskets and seals to remove and replace exhaust manifold
- Contains all gaskets and seals to remove and replace exhaust manifold
Mr. Gasket – Copper Seal: Exhaust Gasket Set (Part No.7152G)
from
$60.29
Mr. Gasket CopperSEAL Header Gaskets are a high quality copper gasket that performs extremely well and are reusable. We recommend this in all racing and high performance applications. They are for stock heads unless indicated, and work well in high heat and turbocharged applications.
Product Features:
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Product Features:
- Manufactured from ¿Dead Soft¿ (solid) .043″ thick copper material
- Manufactured from ┐Dead Soft┐ (solid) .043″ thick copper material
- .051″ embossment around each exhaust port to seal irregular surfaces. Total gasket thickness .094″
- Provides excellent sealing and durability
- Conforms to and seals minor surface irregularities
- For high performance street, drag race, oval track and turbocharged (extreme heat) applications
Taylor Gaskets – Seal-4-Good Header Flange Gasket (Part No.66124)
from
$48.99
Seal-4-Good Header Flange Gasket
Taylor Gaskets – Seal-4-Good Header Flange Gasket (Part No.66019)
from
$48.99
Seal-4-Good Header Flange Gasket
Mr. Gasket – Exhsthdrgskt (Part No.7408G)
from
$42.49
Upgrade to Mr. Gasket Aluminum Layered Header Gaskets and eliminate blown exhaust gaskets forever. They conform to warped and damaged surfaces to create an airtight, leak-proof seal and will not shrink or deteriorate EVER.
Product Features:
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Product Features:
- Reusable header or exhaust manifold gasket set
- Reusable header, exhaust manifold and collector flange gaskets
- Manufactured from “dead soft” aluminum layers – .125″ thick
- Conforms to and seals surface irregularities (warp
- Will not shrink deteriorate or blow out
- Conforms easily to surface irregularities (warped flanges)
- Compresses to .060 creates tight leak proof seal
- Will not shrink, deteriorate, or blow out- eliminating gasket leaks
- For high performance street, drag race and oval track use
Taylor Gaskets – Seal-4-Good Header Flange Gasket (Part No.66013)
from
$48.99
Seal-4-Good Header Flange Gasket
Taylor Gaskets – Seal-4-Good Header Flange Gasket (Part No.66011)
from
$51.99
Seal-4-Good Header Flange Gasket
Mr. Gasket – Ultra Seal: Exhaust Gasket Set (Part No.5904)
from
$37.69
Manufactured from high-temperature steel core/graphite faced exhaust material. Expanded steel core provides stability and maximum torque retention to eliminate gasket failure. Graphite facing provides excellent heat resistance and thermal conductivity to transfer heat away from the cylinder head. Conforms to and seals minor surface irregularities. High recovery material allows header or manifold flange to stay sealed if flange loses clamp-load. Can be trimmed if necessary for modified port applications. For original equipment replacement, high performance street, drag race and oval track use.
Product Features:
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Product Features:
- Manufactured from high-temperature steel core/graphite faced exhaust material
- Expanded steel core provides stability and maximum torque retention to eliminate gasket failure
- Graphite impregnated facing provides excellent heat resistance and thermal conductivity to transfer heat away from the cylinder head
- Conforms to and seals minor surface irregularities
- Can be trimmed if necessary for modified port applications
- For OE replacement, high performance street, drag race and oval track use
- Anti-Stick Properties
- Easy Removal For Disassembly
Mr. Gasket – Ultra Seal: Exhaust Gasket Set (Part No.5900)
from
$32.99
Manufactured from high-temperature steel core/graphite faced exhaust material. Expanded steel core provides stability and maximum torque retention to eliminate gasket failure. Graphite facing provides excellent heat resistance and thermal conductivity to transfer heat away from the cylinder head. Conforms to and seals minor surface irregularities. High recovery material allows header or manifold flange to stay sealed if flange loses clamp-load. Can be trimmed if necessary for modified port applications. For original equipment replacement, high performance street, drag race and oval track use.
Product Features:
See More
Product Features:
- Manufactured from high-temperature steel core/graphite faced exhaust material
- Expanded steel core provides stability and maximum torque retention to eliminate gasket failure
- Graphite impregnated facing provides excellent heat resistance and thermal conductivity to transfer heat away from the cylinder head
- Conforms to and seals minor surface irregularities
- Can be trimmed if necessary for modified port applications
- For OE replacement, high performance street, drag race and oval track use
- Anti-Stick Properties
- Easy Removal For Disassembly
Mr. Gasket – Ultra Seal: Exhaust Gasket Set (Part No.5907)
from
$31.99
Manufactured from high-temperature steel core/graphite faced exhaust material. Expanded steel core provides stability and maximum torque retention to eliminate gasket failure. Graphite facing provides excellent heat resistance and thermal conductivity to transfer heat away from the cylinder head. Conforms to and seals minor surface irregularities. High recovery material allows header or manifold flange to stay sealed if flange loses clamp-load. Can be trimmed if necessary for modified port applications. For original equipment replacement, high performance street, drag race and oval track use.
Product Features:
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Product Features:
- Withstands Intense Exhaust Heat
- Graphite-Impregnated Facing
- Steel Expanded Metal Core
- Superior Tensile Strength
- Resists Deteriorating
- Anti-stick Properties
- Easy Removal For Disassembly
Edelbrock – Exhaust Manifold Gasket Set for Chevrolet (Part No.7204)
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$24.99
Product Features:
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- 0.0625 in. Thickness
- 1.50 in. x 1.50 in. Port Size
- For SB Chevy
- Black Color
- Two Piece Configuration
Flowtech – Header Gasket Set (Part No.99161FLT)
from
$18.29
Header Gasket Set
Flowtech – Exhaust Manifold/Header Hardware (Part No.99150FLT)
from
$85.39
Exhaust Manifold/Header Hardware
Taylor Gaskets – Seal-4-Good Header Flange Gasket (Part No.66126)
from
$48.99
Seal-4-Good Header Flange Gasket
Taylor Gaskets – Seal-4-Good Header Flange Gasket (Part No.66012)
from
$51.99
Seal-4-Good Header Flange Gasket
Mr. Gasket – Ultra-Seal Exhaust Gaskets – Hi-Temp Graphite – Small Block Chevy Oval Port – 1.50"W X 1.82"H (Part No.5917)
from
$42.99
Manufactured from high-temperature steel core/graphite faced exhaust material. Expanded steel core provides stability and maximum torque retention to eliminate gasket failure. Graphite facing provides excellent heat resistance and thermal conductivity to transfer heat away from the cylinder head. Conforms to and seals minor surface irregularities. High recovery material allows header or manifold flange to stay sealed if flange loses clamp-load. Can be trimmed if necessary for modified port applications. For original equipment replacement, high performance street, drag race and oval track use.
Product Features:
See More
Product Features:
- Manufactured from high-temperature steel core/graphite faced exhaust material
- Expanded steel core provides stability and maximum torque retention to eliminate gasket failure
- Graphite impregnated facing provides excellent heat resistance and thermal conductivity to transfer heat away from the cylinder head
- Conforms to and seals minor surface irregularities
- Can be trimmed if necessary for modified port applications
- For OE replacement, high performance street, drag race and oval track use
- Anti-Stick Properties
- Easy Removal For Disassembly
Taylor Gaskets – Seal-4-Good Header Flange Gasket (Part No.66125)
from
$48.99
Seal-4-Good Header Flange Gasket
Taylor Gaskets – Seal-4-Good Header Flange Gasket (Part No.66120)
from
$48.99
Seal-4-Good Header Flange Gasket
FAQs for 1978 GMC K25 Exhaust Manifold Gaskets
What are the most popular Exhaust Manifold Gaskets for the 1978 GMC K25?
With 7 brands you can trust, our most popular Exhaust Manifold Gaskets for the 1978 GMC K25 parts are:
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$42.99
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Aluminum Exhaust Gasket: High-Heat Resistant, Easy Removal
Exhaust Manifold Gaskets
