2003 Cadillac CTS Engine Internals
Keep Your 2003 Cadillac CTS in Top Shape with Quality Engine Internals
Whether you’re repairing or upgrading your Engine Internal, using high-quality parts is key to keeping your 2003 Cadillac CTS looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Main Bearing Repair Sleeves and Crankshaft Seals. 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 2003 Cadillac CTS Engine Internal at Advance Auto Parts is around $36.35, with a range that starts at $2.79 and goes up to $82.99. With 5 options in stock from 4 trusted brands, finding the right fit is easy. Popular picks like Engine Crankshaft Seal Kit, Engine Crankshaft Seal, and Redi-Sleeve start at just $27.49 and offer a great balance of form and function.
Explore Related Parts
While you’re upgrading or replacing your Engine Internal, don’t forget to check out other key components like Engine Gaskets and Seals and Engine Timing Parts. At Advance Auto Parts, we’re here to help you keep your 2003 Cadillac CTS in peak condition, inside and out.
Find Your Specific 2003 Cadillac CTS Engine Internals
Looking for the perfect Engine Internal for your 2003 Cadillac CTS? You’re in the right place. Below, you’ll find links to various types of Engine Internals that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Engine Internals, ensuring durability and a precise fit for your Cadillac CTS. Whether you’re driving a 2003 model or another popular model year like
2011,
2012,
2013,
2014,
2015,
2016,
2017,
2018, and
2019, we’ve got you covered. Purchasing Engine Internals 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 Engine Internals that fit your vehicle.
Essential 2003 Cadillac CTS Engine Internals
National – Redi-Sleeve (Part No.99353)
from
$82.99
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.
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Felpro – Shaft Repair Sleeve (Part No.16228)
from
$10.49
Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
Product Features:
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Product Features:
- Engine$aver Hardware cost-saving application
- Repairs worn sealing surfaces to assure a leak free repair
- Meets or exceeds all original equipment specifications
- Engineered and manufactured specifically for repair applications
- Unsurpassed quality you can trust
- Validated for fit, form, and function
Felpro – Engine Crankshaft Repair Sleeve Tool (Part No.16329)
from
$48.99
Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
Product Features:
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Product Features:
- Meets or exceeds all original equipment specifications
- Application specific design to ensure a perfect fit
- Engineered and manufactured specifically for the repair environment
- Unsurpassed quality you can trust
- Validated for fit, form, and function
Driveworks – Crankshaft Seal (Part No.S-710237)
National – Multi-Purpose Seal (Part No.710674)
from
$19.99
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.
Product Features:
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Product Features:
- Design type: spring loaded; multi-lip
- Temperature range: -40 Deg. F to 400 Deg. F / -40 Deg. C to 204 Deg. C
- Excellent high temperature capabilities
- Compatible with wide range of fluids
- Delivers quality and reliable performance for every type of repair
Felpro – Engine Timing Cover Gasket Set (Part No.TCS 46221)
from
$15.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
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
- Validated for fit, form and function
- Unsurpassed quality you can trust
- Includes all the parts necessary to complete the repair unless otherwise noted
Victor Reinz – Engine Crankshaft Seal Kit (Part No.19-10011-01)
from
$57.99
Product Features:
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- Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
- Direct OEM replacement rotating shaft seal
- Includes RMB Seal retainer housing
- Dana engineering-approved for fit, form and function
National – Engine Crankshaft Seal (Part No.100085)
from
$26.99
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.
Product Features:
See More
Product Features:
- Design type: springless; multi-lip
- Temperature range: -100 Deg. F to 450 Deg. F / -73 Deg. C to 232 Deg.
- Excellent dry running capabilities
- Low coefficient of friction
- Delivers quality and reliable performance for every type of repair
Driveworks – Crankshaft Seal (Part No.S-714436)
Felpro – Engine Crankshaft Seal Kit (Part No.BS 40739)
from
$32.99
Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
Product Features:
See More
Product Features:
- Application specific design to ensure a perfect fit
- Meets or exceeds all original equipment specifications
- Engineered and manufactured specifically for repair applications
- Unsurpassed quality you can trust
- Validated for fit, form, and function
Felpro – Engine Crankshaft Seal Kit (Part No.BS 40640-1)
from
$43.99
Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
Product Features:
See More
Product Features:
- Application specific design to ensure a perfect fit
- Meets or exceeds all original equipment specifications
- Engineered and manufactured specifically for repair applications
- Unsurpassed quality you can trust
- Validated for fit, form, and function
Felpro – Engine Crankshaft Seal Kit (Part No.BS 40640)
from
$42.99
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:
- Application specific design to ensure a perfect fit
- Meets or exceeds all original equipment specifications
- Engineered and manufactured specifically for repair applications
- Unsurpassed quality you can trust
- Validated for fit, form, and function
GM Genuine Parts – Crankshaft Engine Oil Seal (Part No.12608750)
from
$11.49
GM Genuine Parts Engine Crankshaft Seals are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These engine crankshaft seals are responsible for helping maintain the crankcase seal by sealing the openings on either end of the crankshaft. GM Genuine Parts are the true OE parts installed during the production or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).
Product Features:
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Product Features:
- Seals the openings on either end of the crankshaft for a tight seal
- Withstands heat and pressure to help prevent the engine from leaking oil
- Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
- GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
- Original equipment parts are designed to work with your GM vehicle safety systems — aftermarket replacement parts may not meet the same OE safety regulations, depending on the part type
- GM regularly updates production and service part designs to integrate new materials and technologies
National – Engine Crankshaft Seal (Part No.711130)
from
$20.99
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.
Product Features:
See More
Product Features:
- Design type: springless; multi-lip
- Temperature range: -40 Deg. F to 400 Deg. F / -40 Deg. C to 204 Deg. C
- Excellent high temperature capabilities
- Compatible with wide range of fluids
- Delivers quality and reliable performance for every type of repair
National – Engine Crankshaft Seal (Part No.100470)
from
$29.99
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.
Product Features:
See More
Product Features:
- Design type: spring loaded; multi-lip
- Temperature range: -100 Deg. F to 450 Deg. F / -73 Deg. C to 232 Deg.
- Excellent dry running capabilities
- Low coefficient of friction
- Delivers quality and reliable performance for every type of repair
Felpro – Engine Crankshaft Seal Kit (Part No.BS 40711)
from
$88.99
Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
Product Features:
See More
Product Features:
- Application specific design to ensure a perfect fit
- Meets or exceeds all original equipment specifications
- Engineered and manufactured specifically for repair applications
- Unsurpassed quality you can trust
- Validated for fit, form, and function
National – Multi-Purpose Seal (Part No.710855)
from
$59.99
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.
Product Features:
See More
Product Features:
- Design type: spring loaded; multi-lip
- Temperature range: -100 Deg. F to 450 Deg. F; -73 Deg. C to 232 Deg.C
- Excellent dry running capabilities
- Low coefficient of friction
- Delivers quality and reliable performance for every type of repair
Victor Reinz – Engine Crankshaft Seal (Part No.81-38229-00)
from
$27.49
Whether you are a professional technician or a skilled do-it-yourselfer, you need easy access to Victor Reinz quality at every level of the engine all in one box and without any surprises. Protective packaging, informative labels, and state-of-the art electronic cataloging, ensure you receive precisely the gaskets and seals needed for a successful, long-lasting repair.
Product Features:
See More
Product Features:
- Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
Popular 2003 Cadillac CTS Engine Internals Categories
Most Popular Main Bearing Repair Sleef for 2003 Cadillac CTSs
Enhance your 2003 Cadillac CTS with this popular Main Bearing Repair Sleef we have in stock, for $82.99.
National – Redi-Sleeve (Part No.99353)
from
$82.99
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.
See More
Best-Selling 2003 Cadillac CTS Crankshaft Seals
Upgrade your CTS with one of our 4 best-selling Crankshaft Seals.
Felpro – Engine Crankshaft Seal Kit (Part No.BS 40739)
from
$32.99
Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
Product Features:
See More
Product Features:
- Application specific design to ensure a perfect fit
- Meets or exceeds all original equipment specifications
- Engineered and manufactured specifically for repair applications
- Unsurpassed quality you can trust
- Validated for fit, form, and function
Driveworks – Crankshaft Seal (Part No.S-710237)
Victor Reinz – Engine Crankshaft Seal (Part No.81-38229-00)
from
$27.49
Whether you are a professional technician or a skilled do-it-yourselfer, you need easy access to Victor Reinz quality at every level of the engine all in one box and without any surprises. Protective packaging, informative labels, and state-of-the art electronic cataloging, ensure you receive precisely the gaskets and seals needed for a successful, long-lasting repair.
Product Features:
See More
Product Features:
- Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
Driveworks – Crankshaft Seal (Part No.S-714436)
FAQs for 2003 Cadillac CTS Engine Internals
What are the best-selling Engine Internals for 2003 Cadillac CTSs?
Out of 5 Engine Internals that fit 2003 Cadillac CTSs, the following parts are the top sellers:
- Engine Crankshaft Seal Kit (10716906) – $32.99
- Engine Crankshaft Seal (12548058) – $27.49
- Redi-Sleeve (10461902) – $82.99
What’s the price range for 2003 Cadillac CTS Engine Internals?
The prices of Engine Internals for the 2003 Cadillac CTS range from $2.79 up to $82.99 for the most premium parts.
What is the average price of an Engine Internal for a 2003 Cadillac CTS?
The average price for Engine Internals for the 2003 Cadillac CTS is $36.35. Keep in mind the variety of part types within our Engine Internal category, where you are likely to find a wide range of prices across a variety of parts and components.
Does Advance Auto Parts sell Engine Internals for other Cadillac CTS model years?
What are the cheapest Engine Internals for my 2003 Cadillac CTS?
The cheapest 2003 Cadillac CTS Engine Internals we carry are:
- Crankshaft Seal (11468569) – $2.79
- Engine Crankshaft Seal (12548058) – $27.49
- Engine Crankshaft Seal Kit (10716906) – $32.99
- Crankshaft Seal (11468576) – $35.49
- Redi-Sleeve (10461902) – $82.99
Does Advance Auto Parts sell Engine Internals for any other 2003 Cadillac models?
Yes. We stock Engine Internals for 4 other popular 2003 Cadillac models. Some of the most popular are 2003 Escalade Engine Internals, 2003 Escalade ESV Engine Internals, 2003 Escalade EXT Engine Internals, 2003 DeVille Engine Internals, and 2003 Seville Engine Internals.
What types of Engine Internals do you sell for my 2003 Cadillac CTS?
As of 11/2/25, these are some of the most in-demand types of Engine Internals for a 2003 Cadillac CTS:
Can I get help with 2003 Cadillac CTS Engine Internal orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Cadillac Engine Internals and more.
What is your return policy for Cadillac CTS Engine Internals?
Advance Auto Parts keeps returns simple. For new Cadillac CTS Engine Internals and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.