2003 Mercury Grand Marquis Exhaust Manifold and Headers

Essential 2003 Mercury Grand Marquis Exhaust Manifold and Headers

Felpro – Exhaust Manifold Hardware Kit (Part No.ES 75115)

Exhaust Manifold Hardware Kit

from

$40.99
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).
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Dorman – Help – Cap Screw-Hex Head-Grade 8- 1/2-13 x 2-1/2 In. (Part No.03411)

Cap Screw-Hex Head-Grade 8- 1/2-13 x 2-1/2 In.

from

$16.29
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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Walker – Exhaust 35574 Catalytic Converter Air Tube (Part No.35574)

Exhaust 35574 Catalytic Converter Air Tube

from

$87.99
Walker®, with our worldwide OE partnerships and manufacturing facilities, possesses the technical excellence needed to meet today’s emissions control needs, while developing solutions for tomorrow’s challenges. Walker® is a ‘one-stop’ convenience, offerin

Product Features:
  • Offered in a variety of styles and sizes for your installation needs
  • Constructed from durable and robust material for long life
  • Universal fit for installation flexibility
  • Designed to work seamlessly with OE and Walker aftermarket replacement parts
  • New Walker® accessories help to ensure effective exhaust repairs
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Felpro – EXHAUST MANIFOLD BOLT SET (Part No.ES 75118)

EXHAUST MANIFOLD BOLT SET

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:
  • 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).
See More

Dorman – Help – Exhaust Manifold Hardware Kit (Part No.03411B)

Exhaust Manifold Hardware Kit

from

$12.49
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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Taylor Gaskets – Vibe-Lock Bolt (Part No.310001)

Vibe-Lock Bolt

from

$102.99
Vibe-Lock Bolt

Dorman – Help – Cap Screw-Hex Head-Grade 8- 1/2-13 x 1-1/2 In. (Part No.03407)

Cap Screw-Hex Head-Grade 8- 1/2-13 x 1-1/2 In.

from

$19.29
Our Exhaust Manifold Hardware Kit comes with the necessary installation components to assist you in replacing your manifold. Save time and energy by having the right hardware on hand when you need it.

Product Features:
  • Direct replacement for a proper fit every time
  • Durable steel construction
  • Repair kit helps to secure exhaust manifold to the vehicle engine head
  • Manufactured to strict engineering quality standards
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Dorman – Help – Exhaust Manifold Mount Hardware – M8-1.25mm Stainless Steel (Part No.03411HP)

Exhaust Manifold Mount Hardware - M8-1.25mm Stainless Steel

from

$26.99
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:
  • Upgraded hardware – this set of ten M8-1.25 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 install one exhaust manifold
  • 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
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Taylor Gaskets – Vibe Lock Header Bolt Kit (Part No.310070)

Vibe Lock Header Bolt Kit

from

$85.99
Vibe Lock Header Bolt Kit

Dorman – Direct Fit Exhaust Manifold: Without Heat Shield (Part No.674-184)

Direct Fit Exhaust Manifold: Without Heat Shield

from

$142.99
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: Without Heat Shield (Part No.674-557)

Direct Fit Exhaust Manifold: Without Heat Shield

from

$117.99
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
See More

Dorman – Direct Fit Exhaust Manifold: Without Heat Shield (Part No.674-558)

Direct Fit Exhaust Manifold: Without Heat Shield

from

$122.99
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
See More

Dorman – Direct Fit Exhaust Manifold: With Heat Shield (Part No.674-904)

Direct Fit Exhaust Manifold: With Heat Shield

from

$138.99
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
See More

Dorman – Direct Fit Exhaust Manifold: Without Heat Shield (Part No.674-236)

Direct Fit Exhaust Manifold: Without Heat Shield

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
See More

Dorman – Direct Fit Exhaust Manifold: Without Heat Shield (Part No.674-153)

Direct Fit Exhaust Manifold: Without Heat Shield

from

$122.99
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
See More

Dorman – Direct Fit Exhaust Manifold: Without Heat Shield (Part No.674-193)

Direct Fit Exhaust Manifold: Without Heat Shield

from

$181.99
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
See More

Dorman – Direct Fit Exhaust Manifold: Without Heat Shield (Part No.674-903)

Direct Fit Exhaust Manifold: Without Heat Shield

from

$125.99
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
See More

Dorman – Exhaust Flange Stud (Part No.H10141026135DOR)

Exhaust Flange Stud

from

$13.14
Exhaust Flange Stud

2003 Mercury Grand Marquis Exhaust Manifold and Headers

Maybe you’re in the middle of a full rebuild of that 2003 Mercury Grand Marquis. Maybe you just need a couple of Exhaust Manifold and Headers. Either way, Advance Auto Parts has 8 different Exhaust Manifold and Headers in our inventory ranging from $12.49 to $138.99. That means you can find the exact parts or products you need to keep that 2003 Mercury Grand Marquis running smoothly.

Exhaust Manifold and Headers are only as good as their brand. We stock 3 different brands to make sure you have plenty of trusted parts to choose from for your 2003 Mercury Grand Marquis. Dorman, Felpro, and Taylor Gaskets are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!

We know you’ll find the perfect Exhaust Manifold and Headers for your 2003 Mercury Grand Marquis, but don’t take our word for it – read our customer ratings and reviews and buy with confidence.

So if you’re in the market for aftermarket Exhaust Manifold and Headers to keep your 2003 Mercury Grand Marquis rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!

Exhaust Manifold and Headers Brands To Make Your 2003 Mercury Grand Marquis Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 2003 Mercury Grand Marquis demands trusted brand parts and products to keep it running. Many trusted brands of Exhaust Manifold and Headers make up Advance Auto Parts’ inventory, and all are ready to help make your Grand Marquis the best it can be. Be sure to browse some of our top Exhaust Manifold and Headers brands and parts.

Popular Dorman Exhaust Manifold and Headers

We carry Dorman parts in our stock across Exhaust Manifold and Headers and Exhaust Manifold and Header Hardware categories, plus more. For a 2003 Mercury Grand Marquis, our most popular Dorman Exhaust Manifold and Headers include:
Direct Fit Exhaust Manifold: Without Heat Shield
from $125.99
(1)
Direct Fit Exhaust Manifold: Without Heat Shield
Exhaust Manifold and Headers
Exhaust Manifold Hardware Kit
from $12.49
(6)
Exhaust Manifold Hardware Kit
Exhaust Manifold and Header Hardware
Cap Screw-Hex Head-Grade 8- 1/2-13 x 2-1/2 In.
from $16.29
(33)
Cap Screw-Hex Head-Grade 8- 1/2-13 x 2-1/2 In.
Exhaust Manifold and Header Hardware

FAQs for 2003 Mercury Grand Marquis Exhaust Manifold and Headers

What are the most purchased Exhaust Manifold and Headers for the 2003 Mercury Grand Marquis?

Out of 8 Exhaust Manifold and Headers for the 2003 Mercury Grand Marquis, the most popular in our inventory are:
EXHAUST MANIFOLD BOLT SET
from $25.99
This product is not rated
EXHAUST MANIFOLD BOLT SET
Exhaust Manifold and Header Hardware
Direct Fit Exhaust Manifold: With Heat Shield
from $138.99
This product is not rated
Direct Fit Exhaust Manifold: With Heat Shield
Exhaust Manifold and Headers
Vibe Lock Header Bolt Kit
from $85.99
This product is not rated
Vibe Lock Header Bolt Kit
Exhaust Manifold and Header Hardware