1978 Cadillac Eldorado Exhaust Parts
Find Your Specific 1978 Cadillac Eldorado Exhaust Parts
Below you will find various in-demand Cadillac Exhaust Parts, components and accessories for your 1978 Eldorado. Advance Auto Parts has popular Eldorado parts like Exhaust Fittings, Exhaust Mufflers, Exhaust Gaskets and more. You’ll also find aftermarket and OEM Exhaust Parts for other Eldorado model years including
1994,
1995,
1996,
1997,
1998,
1999,
2000,
2001,
2002 and more. Select a category of 1978 Cadillac Eldorado Exhaust Parts below and start saving instantly.
Popular 1978 Cadillac Eldorado Exhaust Parts Categories
Essential Exhaust Parts for 1978 Cadillac Eldorados
MagnaFlow – Standard Grade Federal / EPA Compliant Universal Catalytic Converter (Part No.93516)
from
$164.99
MagnaFlow Standard Grade Federal/EPA Compliant Universal Catalytic Converter 93516 helps keep the check engine light off. Get the right fit for a wide array of vehicles thanks to the adaptable Universal design (cutting and welding is required). With highly corrosion resistant, stainless steel construction, you can have confidence in the quality of this catalytic converter. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for pre-OBDII Federally registered vehicles.
Product Features:
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Product Features:
- Expertly formulated catalyst blend maximizes efficiency, ensuring optimal emissions control to keep your check engine light off.
- Compact, lightweight construction enables installation in confined areas, welding is required.
- Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last.
MagnaFlow – Standard Grade Federal / EPA Compliant Universal Catalytic Converter (Part No.94009)
from
$119.99
MagnaFlow Standard Grade Federal/EPA Compliant Universal Catalytic Converter 94009 helps keep the check engine light off. Get the right fit for a wide array of vehicles thanks to the adaptable Universal design (cutting and welding is required). With highly corrosion resistant, stainless steel construction, you can have confidence in the quality of this catalytic converter. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for pre-OBDII Federally registered vehicles.
Product Features:
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Product Features:
- Expertly formulated catalyst blend maximizes efficiency, ensuring optimal emissions control to keep your check engine light off.
- Compact, lightweight construction enables installation in confined areas, welding is required.
- Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last.
Walker – Catalytic Converter- EPA Ultra, Direct Replacement, No Fabrication Needed (Part No.15818)
from
$639.99
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:
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Product Features:
- EPA COMPLIANT — For use on pre-OBDII vehicles, 1995 and older. Not legal for sale or use in CA, CO and NY. Legal in ME on all pre-OBD 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
Walker – CATALYTIC CONVERTER (Part No.81322)
from
$445.22
CATALYTIC CONVERTER
Felpro – Exhaust Manifold Gasket Set (Part No.MS 90508)
from
$11.49
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:
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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
Felpro – Exhaust Manifold Gasket Set (Part No.MS 90021)
from
$11.49
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:
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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
Felpro – Exhaust Manifold Gasket Set (Part No.MS 91384)
from
$18.29
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
- 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
ACDelco – GM Original Equipment Exhaust Manifold Gasket (Part No.A8111204836ACD)
from
$29.43
ACDelco GM Original Equipment Exhaust Manifold Gasket is a GM-recommended replacement component that provides the same performance, durability, and service life as your factory original equipment.
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Product Features:
- GM-recommended replacement part for your GM vehicle
- Offering the quality, reliability, and durability of GM OE
- Manufactured to GM OE specification for fit, form, and function
Walker – Clamp U-Bolt Bolt Dia 0.375 Length Nut Type Hex Pipe Dia 2.75 (Part No.35793)
from
$2.99
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:
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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
Walker – Exhaust Clamp (Part No.35337)
from
$8.99
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:
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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
Walker – Exhaust Clamp (Part No.35335)
from
$1.99
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:
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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
Walker – Exhaust Bracket (Part No.35358)
from
$9.49
Complete your exhaust repair with Walker? Brackets. Designed to support undercar exhaust components, Walker brackets are manufactured from durable and robust material for long service life.?
Product Features:
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Product Features:
- KEEPS EXHAUST PARTS IN PLACE — Designed to support undercar exhaust components
- 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?
- COMPATIBILITY — Works seamlessly with OE and Walker aftermarket replacement parts
- BETTER TOGETHER?–?Use Walker accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade
Walker – Exhaust Clamp (Part No.35336)
from
$2.49
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:
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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
Walker – SoundFX Muffler, Direct Replacement, No Fabrication Needed (Part No.18312)
from
$88.99
Featuring 100% aluminized steel for longer service life compared to low-carbon steel, Walker SoundFX direct-fit mufflers deliver quality appearance and favorable acoustics while mechanical interior joints and spun-locked heads provide durability.
Product Features:
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Product Features:
- RESISTS CORROSION — Aluminized steel construction and internal drainage system helps reduce corrosion
- 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
- EASY TO INSTALL — Direct-fit bolt-on replacement solution with OE-style hangers, brackets and pipe routings for easy installation that doesn’t require specialized fabrication and/or welding
- FACTORY SOUND — Louvered tubes help reduce radiated noise for factory-style sound quality compared to straight perforated tubes
- GET MORE MILES FROM YOUR MUFFLER — Designed and tested to extend muffler life
Walker – SoundFX Muffler, Direct Replacement, No Fabrication Needed (Part No.18831)
from
$80.99
Featuring 100% aluminized steel for longer service life compared to low-carbon steel, Walker SoundFX direct-fit mufflers deliver quality appearance and favorable acoustics while mechanical interior joints and spun-locked heads provide durability.
Product Features:
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Product Features:
- RESISTS CORROSION — Aluminized steel construction and internal drainage system helps reduce corrosion
- 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
- EASY TO INSTALL — Direct-fit bolt-on replacement solution with OE-style hangers, brackets and pipe routings for easy installation that doesn’t require specialized fabrication and/or welding
- FACTORY SOUND — Louvered tubes help reduce radiated noise for factory-style sound quality compared to straight perforated tubes
- GET MORE MILES FROM YOUR MUFFLER — Designed and tested to extend muffler life
Walker – SoundFX Muffler, Direct Replacement, No Fabrication Needed (Part No.18390)
from
$84.99
Featuring 100% aluminized steel for longer service life compared to low-carbon steel, Walker SoundFX direct-fit mufflers deliver quality appearance and favorable acoustics while mechanical interior joints and spun-locked heads provide durability.
Product Features:
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Product Features:
- RESISTS CORROSION — Aluminized steel construction and internal drainage system helps reduce corrosion
- 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
- EASY TO INSTALL — Direct-fit bolt-on replacement solution with OE-style hangers, brackets and pipe routings for easy installation that doesn’t require specialized fabrication and/or welding
- FACTORY SOUND — Louvered tubes help reduce radiated noise for factory-style sound quality compared to straight perforated tubes
- GET MORE MILES FROM YOUR MUFFLER — Designed and tested to extend muffler life
Walker – SoundFX Universal Exhaust Muffler 2.5" Inlet (ID) 2.25" Outlet (ID) (Part No.18112)
from
$83.99
Featuring 100% aluminized steel for longer service life compared to low-carbon steel, Walker SoundFX universal mufflers deliver quality appearance and favorable acoustics while mechanical interior joints and spun-locked heads provide durability.
Product Features:
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Product Features:
- RESISTS CORROSION — Aluminized steel construction and internal drainage system helps reduce corrosion
- 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
- FLEXIBLE SOLUTION — Customizable design features expandable bushings for easy fitment and may require specialized fabrication and/or welding for installation
- FACTORY SOUND — Louvered tubes help reduce radiated noise for factory-style sound quality compared to straight perforated tubes
- GET MORE MILES FROM YOUR MUFFLER — Designed and tested to extend muffler life
Walker – Sound Solution Muffler (Part No.18649)
from
$64.99
Sound Solution mufflers are engineered with 100% aluminized steel for longer service life compared to low carbon steel. These mufflers have mechanical interior joints for durability, And spun-locked heads for resistance to rupture from backfires. Sound Solution mufflers are available in a universal fitment style, with both quality appearance And favorable acoustics.
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Flowtech – Terminator; Exhaust Tips (Part No.59905FLT)
from
$85.99Product Features:
- Show Quality Chrome Platinum
- Durable Black Finish
- Can Be Welded Or Clamped
- Complete The System
- Glass-Packed Resonators
Walker – Exhaust Tail Pipe 2.25" Inlet (OD) 2.25" Outlet (OD) (Part No.41206)
from
$23.79
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:
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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
Walker – Hanger Length 2.25 (Part No.35148)
from
$10.49
Complete your exhaust repair with Walker exhaust hangers. Designed with OE-style features to support undercar exhaust components, Walker hangers are manufactured from durable and robust material for long service life.
Product Features:
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Product Features:
- KEEPS EXHAUST PARTS IN PLACE — Designed to support undercar exhaust components
- OE DESIGN — Designed with OE-style features 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 Walker accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade
Dorman – Help – Exhaust Flange Spring – 0.50 In. ID x .75 In. OD x 1.13 In. Length (Part No.03080)
from
$8.29
Designed for an exact fit, our Exhaust Spring provides you with the proper flange spring for replacing the manifold. Save time and energy by having the right hardware on hand when you need it.
Product Features:
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Product Features:
- Direct replacement – this exhaust spring matches the fit and function of the factory part on specified years, makes and models.
- Ideal solution – this spring is a reliable replacement for an original part that is missing or has failed due to fatigue
- Durable construction – this part is made from quality materials to ensure reliable performance and long service life
- Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
Dorman – Help – Exhaust Stud Kit 3/8-16 x 2-1/2 In. and 3/8-16 x 3-1/4 In. (Part No.03147)
from
$11.29
Our exhaust manifold flange kit includes all necessary studs and nuts for a complete repair.
Product Features:
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Product Features:
- Direct replacement – this exhaust flange stud and nut are designed to match the fit and function of the original hardware on specified vehicles.
- Ideal solution – this stud and nut are reliable replacements for original parts that are missing or have failed due to wear
- Durable construction – these parts are made from quality materials to ensure reliable performance and long service life
- Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
Dorman – Help – Exhaust Stud Kit – 3/8-16 x 3-5/16 In. (Part No.03106)
from
$11.29
Our exhaust manifold flange kit includes all necessary studs and nuts for a complete repair.
Product Features:
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Product Features:
- Direct replacement – this exhaust flange stud and nut are designed to match the fit and function of the original hardware on specified vehicles.
- Ideal solution – this stud and nut are reliable replacements for original parts that are missing or have failed due to wear
- Durable construction – these parts are made from quality materials to ensure reliable performance and long service life
- Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
Walker – Exhaust System Hanger (Part No.35183)
from
$13.99
Complete your exhaust repair with Walker exhaust hangers. Designed with OE-style features to support undercar exhaust components, Walker hangers are manufactured from durable and robust material for long service life.
Product Features:
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Product Features:
- KEEPS EXHAUST PARTS IN PLACE — Designed to support undercar exhaust components
- OE DESIGN — Designed with OE-style features 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 Walker accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade
Dorman – Double Ended Stud Kit – 3/8-16 x 1-1/4 in and 3/8-16 x 7/16 in (Part No.29200)
from
$9.99
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:
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Product Features:
- Direct replacement – this exhaust flange stud and nut are designed to match the fit and function of the original hardware on specified vehicles.
- Ideal solution – this stud and nut are reliable replacements for original parts that are missing or have failed due to wear
- Durable construction – these parts are made from quality materials to ensure reliable performance and long service life
- Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
Dorman – Help – Exhaust Flange Spring-0.825 OD x 1.135 ID x 1.57 And 0.5 ID X .75 x OD 1.13 In. (Part No.03084)
from
$7.99
Designed for an exact fit, our Exhaust Spring provides you with the proper flange spring for replacing the manifold. Save time and energy by having the right hardware on hand when you need it.
Product Features:
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Product Features:
- Direct replacement – this exhaust spring matches the fit and function of the factory part on specified years, makes and models.
- Ideal solution – this spring is a reliable replacement for an original part that is missing or has failed due to fatigue
- Durable construction – this part is made from quality materials to ensure reliable performance and long service life
- Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
Dorman – Help – Exhaust Stud Kit – 3/8-16 x 2-1/2 In. (Part No.03112)
from
$6.29
Our exhaust manifold flange kit includes all necessary studs and nuts for a complete repair.
Product Features:
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Product Features:
- Direct replacement – this exhaust flange stud and nut are designed to match the fit and function of the original hardware on specified vehicles.
- Ideal solution – this stud and nut are reliable replacements for original parts that are missing or have failed due to wear
- Durable construction – these parts are made from quality materials to ensure reliable performance and long service life
- Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
Upgrade your 1978 Cadillac Eldorado with Top-Quality Exhaust Parts
When it comes to maintaining or upgrading your 1978 Cadillac Eldorado, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your Cadillac or enhancing its overall performance, Exhaust Parts are key to keeping your Eldorado functioning at its best. At Advance Auto Parts, we offer a wide selection of 15 Exhaust Parts for the 1978 Cadillac Eldorado, designed to meet your needs without breaking the bank.
From
Exhaust Fitting
replacements to
Exhaust Mufflers
upgrades, we’ve got you covered with parts that fit your vehicle perfectly and ensure long-lasting performance.
Affordable Prices and Wide Selection
Shopping for Exhaust Parts for any vehicle can be a hassle, especially if you’re on a budget. But with Advance Auto Parts, you can find high-quality Exhaust Parts for your 1978 Cadillac Eldorado at great prices.
Our Exhaust Parts inventory for this model
ranges from just $2.99 to $516.99, with
an average price of $102.84.
Our 15 Exhaust Parts in stock come from 4 trusted brands, so you’re sure to find the right part for your 1978 Cadillac Eldorado without overspending.
Top Brands and High Customer Satisfaction
Advance Auto Parts takes pride in offering only the best brands in the automotive industry. For your 1978 Cadillac Eldorado, we stock popular OEM and aftermarket Exhaust Parts from top names
like Walker, Dorman, Flowtech, and more.
Walker Exhaust Parts
start at just $2.99 and boast an impressive 4 stars average rating from customers.
Dorman and Flowtech also bring quality to the table, with Exhaust Parts available starting at $6.29, and at an average 4 stars rating.
With 48 customer reviews and counting, our 1978 Cadillac Eldorado Exhaust Parts have a strong track record of reliability, ensuring you can trust your purchase.
Explore Related Parts and More
While you’re here, don’t forget to check out other essential categories that go hand in hand with Exhaust Part upgrades. Explore related part types like Batteries and Chargers, Fluids and Chemicals
and more to make sure your 1978 Cadillac Eldorado is always ready to roll. We’re committed to providing you with everything you need to keep your Eldorado in top shape, all in one place.
Start shopping confidently below for your 1978 Cadillac Eldorado!
Best-Selling Exhaust Fittings for 1978 Cadillac Eldorados
Enhance the driving experience in your Cadillac with 2 quality Exhaust Fitting components, starting at $2.99.
Walker – Clamp U-Bolt Bolt Dia 0.375 Length Nut Type Hex Pipe Dia 2.75 (Part No.35793)
from
$2.99
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:
See More
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
Walker – Exhaust Clamp (Part No.35337)
from
$8.99
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:
See More
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
Most Popular 1978 Cadillac Eldorado Exhaust Mufflers
Customize your Cadillac with 3 Exhaust Mufflers products
like Mufflers, all
priced under $131.99.
Walker – Quiet-Flow Direct Fit Exhaust Muffler 2.5" Inlet (ID) 2.5" Outlet (ID) (Part No.21856)
from
$131.99
Designed to deliver superior flow and OE-style sound, Walker Quiet-Flow mufflers are available for top-selling domestic and foreign vehicles.
Product Features:
See More
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
Walker – Sound Solution Muffler (Part No.18649)
from
$64.99
Sound Solution mufflers are engineered with 100% aluminized steel for longer service life compared to low carbon steel. These mufflers have mechanical interior joints for durability, And spun-locked heads for resistance to rupture from backfires. Sound Solution mufflers are available in a universal fitment style, with both quality appearance And favorable acoustics.
See More
Walker – SoundFX Universal Exhaust Muffler 2.5" Inlet (ID) 2.25" Outlet (ID) (Part No.18112)
from
$83.99
Featuring 100% aluminized steel for longer service life compared to low-carbon steel, Walker SoundFX universal mufflers deliver quality appearance and favorable acoustics while mechanical interior joints and spun-locked heads provide durability.
Product Features:
See More
Product Features:
- RESISTS CORROSION — Aluminized steel construction and internal drainage system helps reduce corrosion
- 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
- FLEXIBLE SOLUTION — Customizable design features expandable bushings for easy fitment and may require specialized fabrication and/or welding for installation
- FACTORY SOUND — Louvered tubes help reduce radiated noise for factory-style sound quality compared to straight perforated tubes
- GET MORE MILES FROM YOUR MUFFLER — Designed and tested to extend muffler life
Top Picks for 1978 Cadillac Eldorado Exhaust Gaskets
Upgrade Cadillac Eldorados with top-quality Exhaust Gaskets parts, including 1 OEM and aftermarket selections for your 1978 model.
Felpro – Exhaust Manifold Gasket Set (Part No.MS 90509)
from
$13.79
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
In-Demand Catalytic Converters for 1978 Cadillac Eldorados
Select from 3 premium Catalytic Converters parts for your 1978 Cadillac Eldorado, with prices ranging from $182.99 to $516.99.
Walker – CalCat CARB Universal Catalytic Converter 2.5" Inlet (ID) 2.5" Outlet (ID) (Part No.81128)
from
$516.99
Designed, tested and validated for assured compliance to meet CARB standards, Walker CalCat Universal Catalytic Converters are available for OBDII (1996 and newer) and non-OBD (1995 and older) vehicles.
Product Features:
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Product Features:
- CARB COMPLIANT — For use on OBDII vehicles, 1996 and newer and non-OBD 1995 and older. Legal for sale in CA, CO, NY & other states requiring CARB-compliant replacement converters. Consult your state¿s aftermarket converter regulations.
- CARB COMPLIANT — For use on OBDII vehicles, 1996 and newer and non-OBD 1995 and older. Legal for sale in CA, CO, NY & other states requiring CARB-compliant replacement converters. Consult your state┐s aftermarket converter regulations.
- SUPERIOR TECHNOLOGY — Optimal high technology washcoat formulated to deliver superior performance (as compared to EPA-compliant converters)
- CONSISTENT PERFORMANCE — Utilizes a precise OE-style coating process to apply catalyst material to the substrate, providing consistent performance for assured emissions compliance
- DURABLE — Features stainless-steel body with aluminized pipe and heat shields for durability
- FLEXIBLE SOLUTION — Customizable design features expandable bushings for easy fitment and may require specialized fabrication and/or welding for installation
Walker – CATALYTIC CONVERTER (Part No.81328)
from
$396.98
CATALYTIC CONVERTER
Walker – CalCat Universal Converter (Part No.80828)
from
$182.99
Walker®, an industry leader for many popular European, Asian and North American vehicles, offers Walker® CalCat® Universal Catalytic Converters, available for OBDII (1996 and newer) vehicles and Pre-OBD (1995 and older) vehicles, specifically formulated to comply with California Air Resource Board (CARB) regulations. Walker® CalCat® Universal Catalytic Converters feature OE-style hangers, brackets, routings and heat shields allowing quick and easy installation of direct-fit units. OE expertise delivers application-engineered parts, providing the best fit and performance for even the most challenging emissions issues, while premium substrate material and a high-technology wash coat ensure exceptional oxygen storage capacity. Walker® CalCat® Catalytic Converters are legal for sale in the state of California, and any state complying with California regulations.
Product Features:
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Product Features:
- Legal for sale in the state of California, complies with C.A.R.B. regulations
- Stainless steel body with aluminized pipe and heat shields for durability
- Expandable bushings for custom installation requirements
- Universal converter may require modification to complete installation
- 5-year/50,000-mile catalytic performance and structural integrity warranty
Most Sold 1978 Cadillac Eldorado Exhaust Hangers
Explore our best-selling Cadillac parts for the 1978 Eldorado among 5 OEM and aftermarket options starting from $6.29.
Dorman – Help – Exhaust Stud Kit 3/8-16 x 2-1/2 In. and 3/8-16 x 3-1/4 In. (Part No.03147)
from
$11.29
Our exhaust manifold flange kit includes all necessary studs and nuts for a complete repair.
Product Features:
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Product Features:
- Direct replacement – this exhaust flange stud and nut are designed to match the fit and function of the original hardware on specified vehicles.
- Ideal solution – this stud and nut are reliable replacements for original parts that are missing or have failed due to wear
- Durable construction – these parts are made from quality materials to ensure reliable performance and long service life
- Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
Dorman – Help – Exhaust Stud Kit – 3/8-16 x 2-1/2 In. (Part No.03112)
from
$6.29
Our exhaust manifold flange kit includes all necessary studs and nuts for a complete repair.
Product Features:
See More
Product Features:
- Direct replacement – this exhaust flange stud and nut are designed to match the fit and function of the original hardware on specified vehicles.
- Ideal solution – this stud and nut are reliable replacements for original parts that are missing or have failed due to wear
- Durable construction – these parts are made from quality materials to ensure reliable performance and long service life
- Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
Dorman – Double Ended Stud Kit – 3/8-16 x 1-1/4 in and 3/8-16 x 7/16 in (Part No.29200)
from
$9.99
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:
See More
Product Features:
- Direct replacement – this exhaust flange stud and nut are designed to match the fit and function of the original hardware on specified vehicles.
- Ideal solution – this stud and nut are reliable replacements for original parts that are missing or have failed due to wear
- Durable construction – these parts are made from quality materials to ensure reliable performance and long service life
- Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
Walker – Exhaust System Hanger (Part No.35183)
from
$13.99
Complete your exhaust repair with Walker exhaust hangers. Designed with OE-style features to support undercar exhaust components, Walker hangers are manufactured from durable and robust material for long service life.
Product Features:
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Product Features:
- KEEPS EXHAUST PARTS IN PLACE — Designed to support undercar exhaust components
- OE DESIGN — Designed with OE-style features 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 Walker accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade
Dorman – Help – Exhaust Stud Kit – 3/8-16 x 3-5/16 In. (Part No.03106)
from
$11.29
Our exhaust manifold flange kit includes all necessary studs and nuts for a complete repair.
Product Features:
See More
Product Features:
- Direct replacement – this exhaust flange stud and nut are designed to match the fit and function of the original hardware on specified vehicles.
- Ideal solution – this stud and nut are reliable replacements for original parts that are missing or have failed due to wear
- Durable construction – these parts are made from quality materials to ensure reliable performance and long service life
- Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
Top-Rated Exhaust Parts Brands For Your 1978 Cadillac Eldorado
Shop for the best-rated brands offering Exhaust Parts and other products for your 1978 Cadillac Eldorados. Below you’ll find some of our best rated Exhaust Parts from Walker, Dorman, and Flowtech, and more. Exhaust Parts from these brands that fit a 1978 Eldorado start at just $2.99 and are rated as high as 4 stars. OEM and aftermarket Exhaust Parts don’t get more top quality, durable, and affordable than from the brands below.
Popular Walker 1978 Cadillac Eldorado Exhaust Parts
When it comes to maintaining or upgrading your 1978 Cadillac Eldorado, using quality Exhaust Parts is essential to ensure durability and a perfect fit. Walker ticks all of those boxes. We offer a wide selection of Walker Exhaust Parts, specifically designed for the 1978 Cadillac Eldorado. With over 9 Walker brand Exhaust Parts in stock, you’re sure to find what you need. The prices for these top-notch parts start as low as $2.99, with an average price of just $155.99. Plus, with over 9 customer reviews and an average rating of 4 stars, you can trust that our Walker Exhaust Parts will get the job done right. Choose Advance Auto Parts for reliability, quality, and expert-approved parts that keep your vehicle running strong.
from
$516.99
$516.99
This product is not rated
CalCat CARB Universal Catalytic Converter 2.5" Inlet (ID) 2.5" Outlet (ID)
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from
$83.99
$83.99
This product is not rated
SoundFX Universal Exhaust Muffler 2.5" Inlet (ID) 2.25" Outlet (ID)
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Popular Dorman 1978 Cadillac Eldorado Exhaust Parts
Dorman auto parts is one of the highest quality Exhaust Part brands in the market. Any 1978 Cadillac Eldorado owner should feel confident when installing genuine Dorman parts in their vehicle. To ensure the best fit and performance for your 1978 Eldorado, Advance Auto Parts carries a full inventory of 4 Dorman Exhaust Parts. Plus you will be keeping your Cadillac in peak condition while saving money because prices on these Dorman Exhaust Parts range from $6.29 to $11.29, plus, with more than 10 customer reviews and an impressive 4 stars average rating, you can be confident the Fram Exhaust Parts below will deliver on both quality and value.
from
$9.99
$9.99
This product is not rated
Double Ended Stud Kit – 3/8-16 x 1-1/4 in and 3/8-16 x 7/16 in
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FAQs for 1978 Cadillac Eldorado Exhaust Parts
Which Exhaust Parts are best-sellers for 1978 Cadillac Eldorados?
Out of 15 Exhaust Parts that fit 1978 Cadillac Eldorados, the following parts are the top sellers:
- Clamp U-Bolt Bolt Dia 0.375 Length Nut Type Hex Pipe Dia 2.75 (26010018) – $2.99
- Exhaust Stud Kit – 3/8-16 x 2-1/2 In. (17190189) – $6.29
- Sound Solution Muffler (5290384) – $64.99
What’s the price range for 1978 Cadillac Eldorado Exhaust Parts?
Exhaust Part prices for the 1978 Cadillac Eldorado start at $2.99 and go up to $516.99 for the most premium parts.
What’s the average price of a Exhaust Part for a 1978 Cadillac Eldorado?
The average price for Exhaust Parts for the 1978 Cadillac Eldorado is $102.84. Keep in mind the variety of part types within our Exhaust Part category so you are likely to find a wide range of prices across a variety of parts and components.
Does Advance Auto Parts sell Exhaust Parts for other Cadillac Eldorado model years?
What are the cheapest Exhaust Parts for my 1978 Cadillac Eldorado?
The cheapest 1978 Cadillac Eldorado Exhaust Parts we carry in stock are:
- Clamp U-Bolt Bolt Dia 0.375 Length Nut Type Hex Pipe Dia 2.75 (26010018) – $2.99
- Exhaust Stud Kit – 3/8-16 x 2-1/2 In. (17190189) – $6.29
- Exhaust Clamp (11012146) – $8.99
- Double Ended Stud Kit – 3/8-16 x 1-1/4 in and 3/8-16 x 7/16 in (9111077) – $9.99
- Exhaust Stud Kit 3/8-16 x 2-1/2 In. and 3/8-16 x 3-1/4 In. (9110161) – $11.29
What are the top-rated Exhaust Parts that fit the 1978 Cadillac Eldorado?
Out of 48 reviews by customers, our 1978 Cadillac Eldorado Exhaust Parts have an average customer rating of . These are some of the highest-rated Exhaust Part types for the 1978 Cadillac Eldorado and their top-rated products:
- Exhaust Fittings
- Clamp U-Bolt Bolt Dia 0.375 Length Nut Type Hex Pipe Dia 2.75 (26010018) – $2.99
- Exhaust Tips
- Clamp U-Bolt Bolt Dia 0.375 Length Nut Type Hex Pipe Dia 2.75 (26010018) – $2.99
What types of Exhaust Parts do you sell for my 1978 Cadillac Eldorado?
As of 2/5/25, these are some of the most in-demand types of Exhaust Parts for a 1978 Cadillac Eldorado:
Can I get help with 1978 Cadillac Eldorado Exhaust Part orders?
Contact our customer support team, by chat or phone, through the help desk page, where you can find instant answers about Cadillac Exhaust Parts and more.
What is your return policy for Cadillac Eldorado Exhaust Parts?
Advance Auto Parts keeps returns simple. For new Cadillac Eldorado Exhaust Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.
