1999 GMC P3500 Exhaust Manifold and Headers

Name: Exhaust Manifold Kit - Includes Required Gaskets and Hardware (OE Fix)
Brand: Dorman
SKU: 674-446
Price: 145.99 USD

Keep Your 1999 GMC P3500 in Top Shape with Quality Exhaust Manifold and Headers

Whether you’re repairing or upgrading your Exhaust Manifold and Header, using high-quality parts is key to keeping your 1999 GMC P3500 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Exhaust Manifold and Headers and Exhaust Manifold and Header Hardware. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Competitive Prices and Extensive Inventory

The average price for a 1999 GMC P3500 Exhaust Manifold and Header at Advance Auto Parts is around $122.16, with a range that starts at $21.99 and goes up to $249.99. With 6 options in stock from 3 trusted brands, finding the right fit is easy. Popular picks like Exhaust Manifold Kit – Includes Required Gaskets and Hardware (OE Fix), For Use With Chevy Ls V8 Engine, M8 Thread Size, Hex Head, Black Oxide, Set Of 12, and Exhaust Manifold Hardware Kit start at just $33.99 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Exhaust Manifold and Header, don’t forget to check out other key components like Catalytic Converters and Exhaust Fittings. At Advance Auto Parts, we’re here to help you keep your 1999 GMC P3500 in peak condition, inside and out.

Looking for the perfect Exhaust Manifold and Header for your 1999 GMC P3500? You’re in the right place. Below, you’ll find links to various types of Exhaust Manifold and Headers that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Exhaust Manifold and Headers, ensuring durability and a precise fit for your GMC P3500. Whether you’re driving a 1999 model or another popular model year like 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, and 1998, we’ve got you covered. Purchasing Exhaust Manifold and Headers from Advance Auto Parts is a smart choice, giving you access to trusted brands and parts built to perform. Below, you’ll find links to various types of Exhaust Manifold and Headers that fit your vehicle.

Essential 1999 GMC P3500 Exhaust Manifold and Headers

from

$145.99

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, flange gasket, 3 studs, 3 nuts
Direct fit – reverse engineered from original equipment for seamless installation
Quality engineering – designed and tested in the United States

from

$151.99

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

from

$175.99

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

from

$148.99

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

from

$88.99

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

from

$141.99

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

from

$249.99

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

from

$173.99

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

from

$229.99

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

from

$699.99

ExhstHdr

from

$21.99

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

from

$89.99

Vibe Lock Header Bolt Kit

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$44.99

ARP manufactures a variety of premium grade bolt and stud kits to facilitate installation of exhaust headers including the popular stainless stud kit with 12 point nuts. The Stainless 300 material is not affected by corrosion or extreme heat, making it ideal for the application.

Product Features:

Material Is Not Affected By Corrosion Or Extreme Heat
The Compact 12 Point Nut Lets You Easily Slip A Socket Close To The Pipe
Substantially Stronger Than Grade 8 Hardware
Nominally Rated At 170,000 PSI Tensile Strength
3/8″-16 Thread Size
1″ Underhead Length

from

$33.99

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:

Designed and manufactured to meet the needs of the exhaust system repair environment.
Verified, tested and certified proprietary Organic coating resists corrosion.
Tightly controlled coefficient of friction ensures reliable installation.
Application specific kit contents
Self-locking nuts (where applicable).

from

$51.99

Material Is Not Affected By Corrosion Or Extreme Heat
The Compact 12-Point Nut Lets You Easily Slip A Socket Close To The Pipe
Substantially Stronger Than Grade 8 Hardware
Nominally Rated At 170,000 Psi Tensile Strength
3/8″-16 Thread Size
1″ Underhead Length

from

$33.99

Material Is Not Affected By Corrosion Or Extreme Heat
The Compact 12 Point Nut Lets You Easily Slip A Socket Close To The Pipe
Substantially Stronger Than Grade 8 Hardware
Nominally Rated At 170,000 PSI Tensile Strength
0.75″ Underhead Length
Set of 12

from

$31.99

Material Is Not Affected By Corrosion Or Extreme Heat
The Compact 12 Point Nut Lets You Easily Slip A Socket Close To The Pipe
Substantially Stronger Than Grade 8 Hardware
Nominally Rated At 170,000 PSI Tensile Strength
Set of 16
0.75″ Overall Length

from

$50.99

Material Is Not Affected By Corrosion Or Extreme Heat
The Compact 12-Point Nut Lets You Easily Slip A Socket Close To The Pipe
Substantially Stronger Than Grade 8 Hardware
Nominally Rated At 170,000 PSI Tensile Strength
Set of 12
3/8” Wide Header Flange
1.181? Underhead Length

from

$89.99

Vibe-Lock Bolt

from

$31.99

Material Is Not Affected By Corrosion Or Extreme Heat
The Compact 12-Point Nut Lets You Easily Slip A Socket Close To The Pipe
Substantially Stronger Than Grade 8 Hardware
Nominally Rated At 170,000 Psi Tensile Strength
Set of 12
0.75″ Overall Length

Popular 1999 GMC P3500 Exhaust Manifold and Headers Categories

Exhaust Manifold and Headers

Exhaust Manifold and Header Hardware

Most Popular Exhaust Manifold and Headers for 1999 GMC P3500s

Enhance your 1999 GMC P3500 with one of the 3 Exhaust Manifold and Headers we have in stock, starting at just $145.99.

show more show less

from

$229.99

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

from

$145.99

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

from

$249.99

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

Best-Selling 1999 GMC P3500 Exhaust Manifold and Header Hardware

Upgrade your P3500 with one of our 3 best-selling Exhaust Manifold and Header Hardware, earning an average 2 stars rating across 7 reviews.

show more show less

from

$21.99

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

from

$50.99

Material Is Not Affected By Corrosion Or Extreme Heat
The Compact 12-Point Nut Lets You Easily Slip A Socket Close To The Pipe
Substantially Stronger Than Grade 8 Hardware
Nominally Rated At 170,000 PSI Tensile Strength
Set of 12
3/8” Wide Header Flange
1.181? Underhead Length

from

$33.99

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:

Designed and manufactured to meet the needs of the exhaust system repair environment.
Verified, tested and certified proprietary Organic coating resists corrosion.
Tightly controlled coefficient of friction ensures reliable installation.
Application specific kit contents
Self-locking nuts (where applicable).

FAQs for 1999 GMC P3500 Exhaust Manifold and Headers

What are the best-selling Exhaust Manifold and Headers for 1999 GMC P3500s?

Out of 6 Exhaust Manifold and Headers that fit 1999 GMC P3500s, the following parts are the top sellers:

Exhaust Manifold Kit – Includes Required Gaskets and Hardware (OE Fix) (19790242) – $145.99
For Use With Chevy Ls V8 Engine, M8 Thread Size, Hex Head, Black Oxide, Set Of 12 (11530025) – $50.99
Exhaust Manifold Hardware Kit (12001585) – $33.99

What’s the price range for 1999 GMC P3500 Exhaust Manifold and Headers?

The prices of Exhaust Manifold and Headers for the 1999 GMC P3500 range from $21.99 up to $249.99 for the most premium parts.

What is the average price of an Exhaust Manifold and Header for a 1999 GMC P3500?

The average price for Exhaust Manifold and Headers for the 1999 GMC P3500 is $122.16. Keep in mind the variety of part types within our Exhaust Manifold and Header category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Exhaust Manifold and Headers for other GMC P3500 model years?

Yes, we carry Exhaust Manifold and Headers for 19 model years of GMC P3500s between 1979 and 1998. The following model years are the most popular for Exhaust Manifold and Header purchases: 1998, 1997, 1996, 1995, 1994, 1993, 1992, 1991, and 1990.

What are the cheapest Exhaust Manifold and Headers for my 1999 GMC P3500?

The cheapest 1999 GMC P3500 Exhaust Manifold and Headers we carry are:

Exhaust Manifold Hardware Kit (10242308) – $21.99
Exhaust Manifold Hardware Kit (12001585) – $33.99
For Use With Chevy Ls V8 Engine, M8 Thread Size, Hex Head, Black Oxide, Set Of 12 (11530025) – $50.99
Exhaust Manifold Kit – Includes Required Gaskets and Hardware (OE Fix) (19790242) – $145.99
Direct Fit Exhaust Manifold: without Heat Shield (19790231) – $229.99

Does Advance Auto Parts sell Exhaust Manifold and Headers for any other 1999 GMC models?

Yes. We stock Exhaust Manifold and Headers for 16 other popular 1999 GMC models. Some of the most popular are 1999 Yukon Exhaust Manifold and Headers, 1999 Sierra 1500 Exhaust Manifold and Headers, 1999 Savana 1500 Exhaust Manifold and Headers, 1999 Savana 2500 Exhaust Manifold and Headers, and 1999 Jimmy Exhaust Manifold and Headers.

What are the top-rated Exhaust Manifold and Headers that fit the 1999 GMC P3500?

Based on 8 reviews by customers, our 1999 GMC P3500 Exhaust Manifold and Headers have an average customer rating of 3 stars. These are the highest-rated categories of Exhaust Manifold and Headers for the 1999 GMC P3500 and their top-rated products:

Exhaust Manifold and Header Hardware
- Exhaust Manifold Hardware Kit (10242308) – $21.99
Exhaust Manifold and Headers
- Direct Fit Exhaust Manifold: without Heat Shield (19790231) – $229.99

What types of Exhaust Manifold and Headers do you sell for my 1999 GMC P3500?

As of 11/2/25, these are some of the most in-demand types of Exhaust Manifold and Headers for a 1999 GMC P3500:

Can I get help with 1999 GMC P3500 Exhaust Manifold and Header orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about GMC Exhaust Manifold and Headers and more.

What is your return policy for GMC P3500 Exhaust Manifold and Headers?

Advance Auto Parts keeps returns simple. For new GMC P3500 Exhaust Manifold and Headers and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.

1999 GMC P3500 Exhaust Manifold and Headers

Dorman – Exhaust Manifold Kit – Includes Required Gaskets and Hardware (OE Fix) (Part No.674-446)

Dorman – Direct Fit Exhaust Manifold: without Heat Shield (Part No.674-250)

Dorman – Direct Fit Exhaust Manifold: without Heat Shield (Part No.674-202)

Dorman – Direct Fit Exhaust Manifold: without Heat Shield (Part No.674-197)

Dorman – Direct Fit Exhaust Manifold: with Heat Shield (Part No.674-249)

Dorman – Direct Fit Exhaust Manifold: with Heat Shield (Part No.674-161)

Dorman – Direct Fit Exhaust Manifold: without Heat Shield (Part No.674-860)

Dorman – Direct Fit Exhaust Manifold: without Heat Shield (Part No.674-244)

Dorman – Direct Fit Exhaust Manifold: without Heat Shield (Part No.674-390)

Hooker Headers – ExhstHdr (Part No.2301HKR)

Dorman – Help – Exhaust Manifold Hardware Kit (Part No.03412B)

Taylor Gaskets – Vibe Lock Header Bolt Kit (Part No.310004)

ARP Auto Racing – For Use With Chevy Big Block, 3/8"-16, 0.75"L, Hex Head, Natural, Ss, Set Of 16 (Part No.400-1102)

Felpro – Exhaust Manifold Hardware Kit (Part No.ES 75119)

ARP Auto Racing – For Use With Chevy Small Block, 3/8"-16, 1"L, Hex Head, Natural, Ss, Set Of 12 (Part No.400-1111)

ARP Auto Racing – For Use With Chevy Small Block, 3/8"-16, 0.75"L, Hex Head, Natural Ss, Set Of 12 (Part No.400-1101)

ARP Auto Racing – For Use With Chevy Big Block, 3/8"-16, 0.75"L, Hex Head, Black Oxide, Set Of 16 (Part No.100-1102)

ARP Auto Racing – For Use With Chevy Ls V8 Engine, M8 Thread Size, Hex Head, Black Oxide, Set Of 12 (Part No.134-1102)

Taylor Gaskets – Vibe-Lock Bolt (Part No.310016)

ARP Auto Racing – 0.750" L, Hex Style Head Type, Black Oxide, Black, Chrome Moly, Set Of 12 (Part No.100-1101)

Dorman – Direct Fit Exhaust Manifold: without Heat Shield (Part No.674-390)

Dorman – Exhaust Manifold Kit – Includes Required Gaskets and Hardware (OE Fix) (Part No.674-446)

Dorman – Direct Fit Exhaust Manifold: without Heat Shield (Part No.674-860)

Dorman – Help – Exhaust Manifold Hardware Kit (Part No.03412B)

ARP Auto Racing – For Use With Chevy Ls V8 Engine, M8 Thread Size, Hex Head, Black Oxide, Set Of 12 (Part No.134-1102)

Felpro – Exhaust Manifold Hardware Kit (Part No.ES 75119)