2003 Cadillac CTS Engine Parts

Essential Engine Parts for 2003 Cadillac CTSs

Sealed Power – Engine Oil Pump Screen (Part No.224-15085)

Engine Oil Pump Screen

from

$127.99
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.

Product Features:
  • Unsurpassed quality that you can trust
  • Uses leading edge materials
  • State-of-the-art manufacturing
  • Exacting tolerances
  • Meets or exceeds OEM specifications
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Felpro – PermaTorque Engine Cylinder Head Gasket (Part No.26560 PT)

PermaTorque Engine Cylinder Head Gasket

from

$69.99
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:
  • PROPRIETARY COATING – Exclusive coating helps withstand rougher sealing surface finishes up to 80 Ra
  • SUPERIOR SEAL – Precise embossed sealing beads at all vital areas to eliminate leak paths
  • MULTI-LAYERED STEEL CONSTRUCTION – Multiple layers of stainless steel maintain sealing stress and accommodate head lift
  • UNIQUE COMBUSTION SEAL – Accommodates high cylinder pressures and head movement encountered with engines
  • DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
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Felpro – Shaft Repair Sleeve (Part No.16228)

Shaft Repair Sleeve

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:
  • 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
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GM Genuine Parts – Camshaft Position Sensor (Part No.213-3826)

Camshaft Position Sensor

from

$74.99
ACDelco GM Original Equipment Engine Camshaft Position Sensors monitor the rotational position of the camshaft(s), and are GM-recommended replacements for your vehicle’s original components. They provide a signal to the engine control module which compares the camshaft position with the crankshaft position to determine ignition and fuel injection timing. These original equipment engine camshaft position sensors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Helps keep engine timing and fuel injection running in sync
  • Helps provide proper alignment, positioning, and spacing for easy installation
  • Synchronizes engine valves and pistons for excellent engine performance
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
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Anchor – Engine Mount: Front Left, Front Right, Rear, 1 Piece (Part No.3149)

Engine Mount: Front Left, Front Right, Rear, 1 Piece

from

$115.99
The purpose of the mount is to support the engine and transmission on the chassis and dampen vibration and noise from reverberating to the rest of the vehicle. Engine and Transmission Mounts are engineered and manufactured to meet or exceed OEM specifications using the latest CAD/CAM engineering process to ensure superior quality, form, fit and function. Only premium quality materials are used in the manufacturing process to guarantee precise performance and maximum durability. Applicable to Applicable to BUIC 09-11; CADI 03-14;. Please verify your application.

Product Features:
  • MAXIMUM LIFE & PERFORMANCE: Both natural and SBR (Styrene Butadiene) rubber provide good abrasion resistance and aging stability to ensure maximum life and performance.
  • MEETS OR EXCEEDS DUROMETER MEASUREMENTS: All rubber material is manufactured to specific Durometer (hardness) measurements based on the vehicle’s application requirements.
  • HARDENED STEEL FASTENERS: All fasteners are made of hardened steel with heat treated Grade #5 bolts.
  • SUPERIOR BOND: A special Chemlock® bonding agent is used to ensure a superior rubber-to-metal bond.
  • HYDRAULIC MOUNT DESIGN: Hydraulic Mounts (applicable where OE) are designed for most front wheel drive vehicles because transverse drive train mounting.
  • For Years: 2003-2014
  • Weight approx: 5 Lbs
  • HYDRAULIC
  • REUSE HEAT SHIELD
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Felpro – UPPER INTAKE MANIFOLD GASKET/ PLENUM GASKET (Part No.MS 96062)

UPPER INTAKE MANIFOLD GASKET/ PLENUM GASKET

from

$45.99
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:
  • 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
  • Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
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Victor Reinz – Engine Crankshaft Seal (Part No.81-38229-00)

Engine Crankshaft Seal

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:
  • 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.
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Felpro – Engine Oil Filler Cap Seal (Part No.73193)

Engine Oil Filler Cap Seal

from

$5.99
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:
  • Meets or exceeds all original equipment specifications
  • Design to ensure a perfect fit
  • Engineered and manufactured specifically for the repair environment
  • Unsurpassed quality you can trust
  • Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
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Imperial – Ultra-Cool Engine Oil Cooler Kit (Part No.240457)

Ultra-Cool Engine Oil Cooler Kit

from

$191.99
Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.

Product Features:
  • Size: 3/4 in. x 10 in. x 12-1/4 in.
  • Medium duty applications
  • All except Chevrolet V8 applications
  • Two-pass design for increased cooling
  • Size: 3/4 in. x 10 in. x 12-1/4 in.
  • Medium duty applications
  • All except Chevrolet V8 applications
  • Two-pass design for increased cooling
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National – Shaft Repair Sleeve (Part No.99196)

Shaft Repair Sleeve

from

$33.99
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:
  • Designed to repair damaged, grooved or worn shafts
  • Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
  • Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
  • Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
  • Easy to install with removable flange and installation tool
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Victor Reinz – Engine Timing Cover Seal (Part No.81-10174-00)

Engine Timing Cover Seal

from

$11.79
With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an original equipment supplier and the trusted choice of manufacturers the world over, offering broad coverage for foreign and domestic cars and trucks. In Victor Reinz gasket sets, you get the right combination of components needed for fast, long-lasting repairs.

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.
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Holley – LS Valve Cover Oil Fill Cap (Part No.241-225)

LS Valve Cover Oil Fill Cap

from

$31.99
Holleys new Oil Fill Cap for LS engines removes the oil fill tube that come stock on LS engines and replaces it with a cap that can be configured five ways plus custom option! Our cap screws directly into all stock valve covers! The base is made of the same glass-filled material as the factory to ensure durability. Each cap comes with an aluminum insert that can easily be painted before assembly, and a domed Holley decal can be placed on the aluminum insert or directly onto the cap base! With paint in hand, the options are endless!

Product Features:
  • Qty Of 1
  • Includes O-Ring
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Dayco – Premium Timing Belt, 70.87 Inch With 225 Round Tooth, With Flat Tip (Part No.95285)

Premium Timing Belt, 70.87 Inch With 225 Round Tooth, With Flat Tip

from

$45.99
Manufactured with tough, wear-resistant fabric, high-tensile strength cord and a molded tooth surface, the Dayco timing belt provides consistent slip-proof power transfer and high resistance to oil and engine heat. The belt features a molded cog design which runs quieter and is more economical and a premium, high modulus glass fiber cord that delivers precise length stability to keep the engine running smoothly over the life of the belt.

Product Features:
  • Designed for specific OHC and DOHC applications that range from normal service to high performance, high temperature engines
  • Offers noise reduction and minimum dimensional tolerances for precise valve timing
  • Engineered with reduced elongation for maximum durability, high abrasion resistance and better performance
  • Timing marks are applied on the belt for proper installation
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MAHLE Original – Engine Crankshaft Seal (Part No.JV1705)

Engine Crankshaft Seal

from

$22.29
MAHLE® gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.

Product Features:
  • All MAHLE gaskets meet or exceed the original equipment specifications providing the finest sealing products available
  • MAHLE gaskets utilizes OE equivalent or better materials in all our gaskets
  • MAHLE gaskets is the leader in Domestic, Asian and European applications
  • The contents of MAHLE gaskets are packaged in shrink wrapped tray, giving you the added security of knowing that you have the right parts, prior to opening the package
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Felpro – Engine Cylinder Head Bolt Set (Part No.ES 72274-1)

Engine Cylinder Head Bolt Set

from

$57.99
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:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Avoid risk associated with re-use of T-T-Y (torque to yield) head bolts
  • Validated for fit, form and function
  • Unsurpassed quality you can trust
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Felpro – CYLINDER HEAD BOLT SET (Part No.ES 72390)

CYLINDER HEAD BOLT SET

from

$37.99
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:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Avoid risk associated with re-use of T-T-Y (torque to yield) head bolts
  • Validated for fit, form and function
  • Unsurpassed quality you can trust
See More

Felpro – PermaTorque Engine Cylinder Head Gasket Set (Part No.HS 26376 PT-9)

PermaTorque Engine Cylinder Head Gasket Set

from

$403.99
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:
  • PROPRIETARY COATING – Nonstick anti-friction coating seals small surface scratches and imperfections
  • SEALING TECHNOLOGIES – Exclusive sealing innovations and technologies with proprietary materials and unique design features to ensure a superior seal for your repair
  • NO RETORQUE DESIGN – Steel core helps eliminate the need for retorquing head bolts
  • STRONG AND DURABLE – Features graphite or reinforced fiber facing material and steel armor for strength and durability
  • DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
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Felpro – PermaTorque Engine Cylinder Head Gasket Set (Part No.HS 26376 PT-10)

PermaTorque Engine Cylinder Head Gasket Set

from

$353.99
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:
  • PROPRIETARY COATING – Nonstick anti-friction coating seals small surface scratches and imperfections
  • SEALING TECHNOLOGIES – Exclusive sealing innovations and technologies with proprietary materials and unique design features to ensure a superior seal for your repair
  • NO RETORQUE DESIGN – Steel core helps eliminate the need for retorquing head bolts
  • STRONG AND DURABLE – Features graphite or reinforced fiber facing material and steel armor for strength and durability
  • DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
See More

MAHLE Original – Valve Cover Gasket Set (Part No.VS50502)

Valve Cover Gasket Set

from

$63.99
MAHLE gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.

Product Features:
  • All MAHLE gaskets meet or exceed the original equipment specifications providing the finest sealing products available
  • MAHLE gaskets utilizes OE equivalent or better materials in all our gaskets
  • Valve cover gasket set contains all the gaskets required – may also contain spark plug tube seals and grommets if necessary.
  • The contents of MAHLE gaskets are packaged in shrink wrapped tray, giving you the added security of knowing that you have the right parts, prior to opening the package
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Felpro – Engine Valve Cover Gasket Set (Part No.VS 50907 R)

Engine Valve Cover Gasket Set

from

$26.99
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:
  • DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
  • SUPERIOR SEAL – Manufactured with rubber compounds to help ensure a consistent and long-life seal
  • PRECISE DESIGN – Engineered to work with the embossed cover and pan flanges
  • PREVENTS OVERTIGHTENING – Features compression limiters incorporated into the design to help eliminate overtightening (application specific)
  • OE-STYLE REPLACEMENT GASKET – Engineered for OE-style molded rubber gasket replacement
  • EVERY PART FOR THE REPAIR – Fel-Pro gasket sets include every part needed for the repair unless otherwise noted
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Dorman – Engine Oil Cap O-ring (Part No.42353)

Engine Oil Cap O-ring

from

$13.99
This oil filler cap O-ring matches the dimensions of the original O-ring to provide a reliable seal. Made of premium materials to ensure leak-free performance.

Product Features:
  • Ideal replacement – this oil filter cap O-ring matches the fit and function of the original part
  • Durable materials – this O-ring is made from quality a material to ensure leak-free performance
  • Convenient shop supply – this part is ideal to have on hand for routine service
  • Quality tested – this part has undergone try-on and material testing to ensure a quality fit and long service life
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Melling – Stock Replacement Oil Pump Screen (Part No.370S)

Stock Replacement Oil Pump Screen

from

$56.99
Made In USA. A new Melling pick-up tube/oil screen assembly provides the lubrication oil as well as protection for your oil pump from materials that find their way into the engine oil supply system. Contaminates enter your oil system via engine wear, extended time between oil changes and other internal engine sources. These contaminates can interfere with the proper oil flow and pressure spring functions resulting in engine damage and/or failure. Melling suggests that a new properly installed oil pump pick-up tube/screen be a part of every oil pump installation. Several Melling oil pump applications are offered with an oil screen included.

Product Features:
  • Manufactured from high quality durable materials for long wear
  • Precision engineering protects the engine from dirt and contaminants
  • Designed for long-life and worry-free performance
  • Meets or exceeds original equipment specifications
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Melling – Stock Replacement Oil Pump Screen (Part No.324S)

Stock Replacement Oil Pump Screen

from

$102.99
Made In USA. A new Melling pick-up tube/oil screen assembly provides the lubrication oil as well as protection for your oil pump from materials that find their way into the engine oil supply system. Contaminates enter your oil system via engine wear, extended time between oil changes and other internal engine sources. These contaminates can interfere with the proper oil flow and pressure spring functions resulting in engine damage and/or failure. Melling suggests that a new properly installed oil pump pick-up tube/screen be a part of every oil pump installation. Several Melling oil pump applications are offered with an oil screen included.

Product Features:
  • Manufactured from high quality durable materials for long wear
  • Precision engineering protects the engine from dirt and contaminants
  • Designed for long-life and worry-free performance
  • Meets or exceeds original equipment specifications
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GM Genuine Parts – Body Control Module (Part No.13594692)

Body Control Module

from

$166.99
GM Genuine Parts Body Control Modules are designed, engineered, and tested to rigorous standards, and are backed by General Motors. They communicate with other systems in your vehicle to regulate electronic devices. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Product Features:
  • This part requires programming and/or special setup procedures. GM Service Information describes the procedures and special tools needed to ensure proper operation in the vehicle
  • Dictates the operation of your vehicle’s vital systems, which is critical to the performance of your vehicle
  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
  • GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • GM regularly updates production and service part designs to integrate new materials and technologies
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GM Genuine Parts – Body Control Module (Part No.13587704)

Body Control Module

from

$175.99
GM Genuine Parts Body Control Modules are designed, engineered, and tested to rigorous standards, and are backed by General Motors. They communicate with other systems in your vehicle to regulate electronic devices. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Product Features:
  • This part requires programming and/or special setup procedures. GM Service Information describes the procedures and special tools needed to ensure proper operation in the vehicle
  • Dictates the operation of your vehicle’s vital systems, which is critical to the performance of your vehicle
  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
  • GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • GM regularly updates production and service part designs to integrate new materials and technologies
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NTK – Engine Crankshaft Position Sensor (Part No.EH0406)

Engine Crankshaft Position Sensor

from

$44.99
The Crankshaft Position Sensor plays a vital role in your engine’s operation, to determine the exact position of then engine’s crankshaft to the ECM. The ECM then uses this information to determine fuel and spark timing or engine misfire detection. A failed sensor can result in a check engine light, failure to start, intermittent stalling, or misfire. Crankshaft Position Sensors are a premium quality product with outstanding support and leading innovation bred from our OE heritage.

Product Features:
  • THE DIFFERENCE: Enhanced, robust circuit board traces and precision-wound coated-copper windings increase durability, longevity and performance
  • OE QUALITY: Designed to meet or exceed OE specifications, fit, form and function to ensure proper position and/or rotating speed of the crankshaft
  • EXTENSIVE TESTING: 100 percent thermal shock and vibration tested for best in class performance and reliability in the most extreme conditions
  • PRODUCT ENGINEERING: Premium seals prevent leaks or corrosion, while optimized magnet size and strength ensures precise, consistent signal output
  • INSTALLATION AND SUPPORT: Includes OE style brackets, hold downs, hardware, spacers and weathertight connectors
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Carquest Premium – Crankshaft Sensor (Part No.CSC1323)

Crankshaft Sensor

from

$32.99
A leader in vehicle electronic solutions, each premium product meets or exceeds OE specifications in appearance, fit, and function, ensuring easy installation and excellent performance. The product has been tested under extreme environments.

Product Features:
  • Reliable circuit board and product structure design, 3D proofing, and field test verification to ensure correct signal output at all speeds.
  • Manufactured in an anti-static environment to ensure reliability and stability.
  • Extreme temperature and salt spray tests simulate real-world vehicle conditions to ensure durability and reliability.
  • Providing this premium product line, we meet the service professionals needs with the highest quality product every time the part comes out of the box.
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GM Genuine Parts – Engine Crankshaft Position Sensor (Part No.12674702)

Engine Crankshaft Position Sensor

from

$70.99
ACDelco GM Original Equipment Engine Crankshaft Position Sensors monitor the position and rotational speed of the crankshaft, and are GM-recommended replacements for your vehicle’s original components. The signal from the crankshaft position sensor is used by the engine control module to determine fuel injection and ignition timing. These original equipment engine crankshaft position sensors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • This part requires programming and/or special setup procedures. GM Service Information describes the procedures and special tools needed to ensure proper operation in the vehicle
  • Helps keep engine timing and fuel injection running in sync
  • Helps provide proper alignment, positioning, and spacing for easy installation
  • Synchronizes engine valves and pistons for excellent engine performance
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
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Upgrade your 2003 Cadillac CTS with Top-Quality Engine Parts

When it comes to maintaining or upgrading your 2003 Cadillac CTS, 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, Engine Parts are key to keeping your CTS functioning at its best. At Advance Auto Parts, we offer a wide selection of 29 Engine Parts for the 2003 Cadillac CTS, designed to meet your needs without breaking the bank. From Engine Timing Part replacements to Valve Cover and Cylinder Heads 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 Engine 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 Engine Parts for your 2003 Cadillac CTS at great prices. Our Engine Parts inventory for this model ranges from just $2.79 to $326.09, with an average price of $67.91. Our 29 Engine Parts in stock come from 15 trusted brands, so you’re sure to find the right part for your 2003 Cadillac CTS 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 2003 Cadillac CTS, we stock popular OEM and aftermarket Engine Parts from top names like FELPRO, National, Anchor, and more. FELPRO Engine Parts start at just $66.99 and boast an impressive 4.6 stars average rating from customers. National and Anchor also bring quality to the table, with Engine Parts available starting at $41.99, and at an average 4.3 stars rating. With 22 customer reviews and counting, our 2003 Cadillac CTS Engine 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 Engine Part upgrades. Explore related part types like Batteries and Chargers, Oil and Lubricants and more to make sure your 2003 Cadillac CTS is always ready to roll. We’re committed to providing you with everything you need to keep your CTS in top shape, all in one place. Start shopping confidently below for your 2003 Cadillac CTS!

Best-Selling Engine Timing Parts for 2003 Cadillac CTSs

Enhance the driving experience in your Cadillac with 2 quality Engine Timing Part components, starting at $12.49.

Dayco – Premium Timing Belt, 70.87 Inch With 225 Round Tooth, With Flat Tip (Part No.95285)

Premium Timing Belt, 70.87 Inch With 225 Round Tooth, With Flat Tip

from

$45.99
Manufactured with tough, wear-resistant fabric, high-tensile strength cord and a molded tooth surface, the Dayco timing belt provides consistent slip-proof power transfer and high resistance to oil and engine heat. The belt features a molded cog design which runs quieter and is more economical and a premium, high modulus glass fiber cord that delivers precise length stability to keep the engine running smoothly over the life of the belt.

Product Features:
  • Designed for specific OHC and DOHC applications that range from normal service to high performance, high temperature engines
  • Offers noise reduction and minimum dimensional tolerances for precise valve timing
  • Engineered with reduced elongation for maximum durability, high abrasion resistance and better performance
  • Timing marks are applied on the belt for proper installation
See More

FAG US – General Seal (Part No.SS2412)

General Seal

from

$12.49
Our wheel seals are engineered using only the highest-quality materials to meet vehicle manufacturer specificatons. We work with suppliers to design seals that meet FAG’s quality standards. Seals are designed to protect wheel end components from contamination – such as dirt, dust, and moisture – and prevent the loss of grease over the life of the bearing. The specifications for wheel seals are very demanding, and the type required depends on the specific application, position and vehicle class.

Product Features:
  • High-precision and High-quality components used in all KITs
  • Coverage of classic and new high-tech solutions for the best system coverage
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Most Popular 2003 Cadillac CTS Valve Cover and Cylinder Heads

Customize your Cadillac with 3 Valve Cover and Cylinder Heads products like Cylinder Head Bolt Sets, Cylinder Head Gaskets, and Cylinder Head Gasket Sets, all priced under $189.99.

Felpro – PermaTorque Engine Cylinder Head Gasket Set (Part No.HS 26489 PT)

PermaTorque Engine Cylinder Head Gasket Set

from

$189.99
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:
  • PROPRIETARY COATING – Nonstick anti-friction coating seals small surface scratches and imperfections
  • SEALING TECHNOLOGIES – Exclusive sealing innovations and technologies with proprietary materials and unique design features to ensure a superior seal for your repair
  • NO RETORQUE DESIGN – Steel core helps eliminate the need for retorquing head bolts
  • STRONG AND DURABLE – Features graphite or reinforced fiber facing material and steel armor for strength and durability
  • DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
See More

Felpro – Engine Cylinder Head Bolt Set (Part No.ES 72906)

Engine Cylinder Head Bolt Set

from

$41.99
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:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Avoid risk associated with re-use of T-T-Y (torque to yield) head bolts
  • Validated for fit, form and function
  • Unsurpassed quality you can trust
See More

Felpro – PermaTorque Engine Cylinder Head Gasket (Part No.26489 PT)

PermaTorque Engine Cylinder Head Gasket

from

$40.99
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:
  • PROPRIETARY COATING – Exclusive coating helps withstand rougher sealing surface finishes up to 80 Ra
  • SUPERIOR SEAL – Precise embossed sealing beads at all vital areas to eliminate leak paths
  • MULTI-LAYERED STEEL CONSTRUCTION – Multiple layers of stainless steel maintain sealing stress and accommodate head lift
  • UNIQUE COMBUSTION SEAL – Accommodates high cylinder pressures and head movement encountered with engines
  • DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
See More

Top Picks for 2003 Cadillac CTS Engine Gaskets and Seals

Upgrade Cadillac CTSs with top-quality Engine Gaskets and Seals parts, including 6 OEM and aftermarket selections for your 2003 model.

Felpro – Engine Valve Cover Gasket Set (Part No.VS 50628 R)

Engine Valve Cover Gasket Set

from

$66.99
Product Features:
  • DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
  • ENGINEERED TO PERFORM – Proprietary cork-rubber formulation
  • SUPERIOR SEAL – Highly conformable to accommodate for the imperfect sealing surfaces
  • EVERY PART FOR THE REPAIR – Fel-Pro gasket sets include every part needed for the repair unless otherwise noted
  • REAL WORLD TESTED – Parts are tested on-vehicle and validated to ensure optimal performance on the road
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Felpro – UPPER INTAKE MANIFOLD GASKET/ PLENUM GASKET (Part No.MS 96062)

UPPER INTAKE MANIFOLD GASKET/ PLENUM GASKET

from

$45.99
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:
  • 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
  • Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
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MAHLE Original – Engine Crankshaft Seal (Part No.JV1705)

Engine Crankshaft Seal

from

$22.29
MAHLE® gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.

Product Features:
  • All MAHLE gaskets meet or exceed the original equipment specifications providing the finest sealing products available
  • MAHLE gaskets utilizes OE equivalent or better materials in all our gaskets
  • MAHLE gaskets is the leader in Domestic, Asian and European applications
  • The contents of MAHLE gaskets are packaged in shrink wrapped tray, giving you the added security of knowing that you have the right parts, prior to opening the package
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Felpro – Engine Oil Filler Cap Seal (Part No.73193)

Engine Oil Filler Cap Seal

from

$5.99
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:
  • Meets or exceeds all original equipment specifications
  • Design to ensure a perfect fit
  • Engineered and manufactured specifically for the repair environment
  • Unsurpassed quality you can trust
  • Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
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Felpro – Rear Main Seal Set (Part No.BS 40671)

Rear Main Seal Set

from

$26.99
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:
  • 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
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National – Multi Purpose Seal (Part No.710237)

Multi Purpose Seal

from

$44.49
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
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In-Demand Camshafts for 2003 Cadillac CTSs

Select from 4 premium Camshafts parts for your 2003 Cadillac CTS, with prices ranging from $8.99 to $73.99.

National – Shaft Repair Sleeve (Part No.99147)

Shaft Repair Sleeve

from

$41.99
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:
  • Designed to repair damaged, grooved or worn shafts
  • Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
  • Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
  • Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
  • Easy to install with removable flange and installation tool
  • Installation tool reduces sleeve distortion and allows for installation without removal from the shaft
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Carquest Premium – Engine Camshaft Position Sensor (Part No.CSA1498)

Engine Camshaft Position Sensor

from

$71.99
Carquest Premium camshaft position sensors are designed to perform in harsh engine environments and meet or exceed original equipment (O.E.) specifications. Carquest Premium crankshaft and camshaft sensors are engineered with technology that provides increased output accuracy through a stronger, more consistent signal. Our sensors are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Carquest Premium crankshaft and camshaft position sensors undergo extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium sensors are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.

Product Features:
  • Engineered with technology that provides increased accuracy with a stronger, more consistent signal
  • Sensors are based on proven hall effect and variable reluctance technology
  • Includes OE-style brackets, hold downs, hardware, or spacers as needed for each application.
  • O-rings and seals are included if required.
  • Weather-tight connectors prevent leaks and corrosion for better reliability.
  • Extensive design validation testing and 100% end-of-line tested.
  • Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413
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National – Multi-Purpose Seal (Part No.714436)

Multi-Purpose Seal

from

$8.99
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:
  • Design type: spring loaded; multi-lip
  • Temperature range: -40 Deg. F to 225 Deg. F / -40 Deg. C to 107 Deg. C
  • Good low temperature capability
  • Low swell in hydrocarbon fluids
  • Delivers quality and reliable performance for every type of repair
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Dorman – Camshaft Position Sensor (Part No.907-814)

Camshaft Position Sensor

from

$73.99
This engine camshaft position sensor is designed to match the fit and function of an original sensor to help ensure the engine control unit receives proper inputs when an original sensor has failed from heat or internal component damage.

Product Features:
  • Direct replacement – this engine camshaft position sensor is designed to match the fit and function of an original sensor on specified vehicles
  • Ideal solution – engineered to help ensure the engine control unit receives proper inputs when an original sensor has failed from heat or internal component damage
  • Durable construction – designed and manufactured to strict specifications for reliable performance
  • Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
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Most Sold 2003 Cadillac CTS Engine Mounts

Explore our best-selling Cadillac parts for the 2003 CTS among 1 OEM and aftermarket options starting from $115.99.

Anchor – Engine Mount: Front Left, Front Right, Rear, 1 Piece (Part No.3149)

Engine Mount: Front Left, Front Right, Rear, 1 Piece

from

$115.99
The purpose of the mount is to support the engine and transmission on the chassis and dampen vibration and noise from reverberating to the rest of the vehicle. Engine and Transmission Mounts are engineered and manufactured to meet or exceed OEM specifications using the latest CAD/CAM engineering process to ensure superior quality, form, fit and function. Only premium quality materials are used in the manufacturing process to guarantee precise performance and maximum durability. Applicable to Applicable to BUIC 09-11; CADI 03-14;. Please verify your application.

Product Features:
  • MAXIMUM LIFE & PERFORMANCE: Both natural and SBR (Styrene Butadiene) rubber provide good abrasion resistance and aging stability to ensure maximum life and performance.
  • MEETS OR EXCEEDS DUROMETER MEASUREMENTS: All rubber material is manufactured to specific Durometer (hardness) measurements based on the vehicle’s application requirements.
  • HARDENED STEEL FASTENERS: All fasteners are made of hardened steel with heat treated Grade #5 bolts.
  • SUPERIOR BOND: A special Chemlock® bonding agent is used to ensure a superior rubber-to-metal bond.
  • HYDRAULIC MOUNT DESIGN: Hydraulic Mounts (applicable where OE) are designed for most front wheel drive vehicles because transverse drive train mounting.
  • For Years: 2003-2014
  • Weight approx: 5 Lbs
  • HYDRAULIC
  • REUSE HEAT SHIELD
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Top-Rated Engine Parts Brands For Your 2003 Cadillac CTS

Shop for the best-rated brands offering Engine Parts and other products for your 2003 Cadillac CTSs. Below you’ll find some of our best rated Engine Parts from FELPRO, National, and Anchor, and more. Engine Parts from these brands that fit a 2003 CTS start at just $41.99 and are rated as high as 4.6 stars. OEM and aftermarket Engine Parts don’t get more top quality, durable, and affordable than from the brands below.

Popular FELPRO 2003 Cadillac CTS Engine Parts

When it comes to maintaining or upgrading your 2003 Cadillac CTS, using quality Engine Parts is essential to ensure durability and a perfect fit. FELPRO ticks all of those boxes. We offer a wide selection of FELPRO Engine Parts, specifically designed for the 2003 Cadillac CTS. With over 1 FELPRO brand Engine Parts in stock, you’re sure to find what you need. The prices for these top-notch parts start as low as $66.99. Plus, with over 1 customer reviews and an average rating of 4.6 stars, you can trust that our FELPRO Engine Parts will get the job done right. Choose Advance Auto Parts for reliability, quality, and expert-approved parts that keep your vehicle running strong.
Engine Valve Cover Gasket Set
from $66.99
(1)
Engine Valve Cover Gasket Set
“Perfect fit and stopped leak”

Popular National 2003 Cadillac CTS Engine Parts

National auto parts is one of the highest quality Engine Part brands in the market. Any 2003 Cadillac CTS owner should feel confident when installing genuine National parts in their vehicle. To ensure the best fit and performance for your 2003 CTS, Advance Auto Parts carries a full inventory of 1 National Engine Parts. Plus you will be keeping your Cadillac in peak condition while saving money because prices on these National Engine Parts range up to $41.99, plus, with more than 2 customer reviews and an impressive 4.3 stars average rating, you can be confident the Fram Engine Parts below will deliver on both quality and value.
Shaft Repair Sleeve
from $41.99
(2)
Shaft Repair Sleeve
“Used this to repair a camshaft sealing surface on a 2000 Sienna. it worked incredibly well and was easy to use. My first time using a repair sleeve ”

FAQs for 2003 Cadillac CTS Engine Parts

Which Engine Parts are best-sellers for 2003 Cadillac CTSs?

Out of 29 Engine Parts that fit 2003 Cadillac CTSs, the following parts are the top sellers:

What’s the price range for 2003 Cadillac CTS Engine Parts?

Engine Part prices for the 2003 Cadillac CTS start at $2.79 and go up to $326.09 for the most premium parts.

What’s the average price of a Engine Part for a 2003 Cadillac CTS?

The average price for Engine Parts for the 2003 Cadillac CTS is $67.91. Keep in mind the variety of part types within our Engine 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 Engine Parts for other Cadillac CTS model years?

Yes, we currently carry Engine Parts for 15 model years of Cadillac CTSs between 2004 and 2019. Engine Parts are bought most frequently for the following model years: 2019, 2018, 2017, 2016, 2015, 2014, 2013, 2012, and 2011.

What are the cheapest Engine Parts for my 2003 Cadillac CTS?

The cheapest 2003 Cadillac CTS Engine Parts we carry in stock are:

What are the top-rated Engine Parts that fit the 2003 Cadillac CTS?

Out of 22 reviews by customers, our 2003 Cadillac CTS Engine Parts have an average customer rating of . These are some of the highest-rated Engine Part types for the 2003 Cadillac CTS and their top-rated products:

What types of Engine Parts do you sell for my 2003 Cadillac CTS?

Can I get help with 2003 Cadillac CTS Engine Part orders?

Contact our customer support team, by chat or phone, through the help desk page, where you can find instant answers about Cadillac Engine Parts and more.

What is your return policy for Cadillac CTS Engine Parts?

Advance Auto Parts keeps returns simple. For new Cadillac CTS Engine Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.