2003 Cadillac CTS Engine Parts
Find Your Specific 2003 Cadillac CTS Engine Parts
Below you will find various in-demand Cadillac Engine Parts, components and accessories for your 2003 CTS. Advance Auto Parts has popular CTS parts like Engine Timing Parts, Valve Cover and Cylinder Heads, Engine Gaskets and Seals and more. You’ll also find aftermarket and OEM Engine Parts for other CTS model years including
2011,
2012,
2013,
2014,
2015,
2016,
2017,
2018,
2019 and more. Select a category of 2003 Cadillac CTS Engine Parts below and start saving instantly.
Popular 2003 Cadillac CTS Engine Parts Categories
Essential Engine Parts for 2003 Cadillac CTSs
Felpro – Fuel Injector O-ring Set (Part No.ES 71192)
from
$3.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust
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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
Sealed Power – Engine Oil Pump Screen (Part No.224-15085)
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.
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Product Features:
- Unsurpassed quality that you can trust
- Uses leading edge materials
- State-of-the-art manufacturing
- Exacting tolerances
- Meets or exceeds OEM specifications
Carquest Premium – Multi-Use Connector (Part No.ABA3461)
from
$14.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.
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Product Features:
- Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
- Sealed connections (where applicable) to prevent environmental corrosion and performance issues
- Global coverage for import and/or domestic applications
- OE specified wire gauge to ensure a reliable electrical connection
- Designed to meet or exceed OE specifications in form, fit and function
Felpro – Engine Oil Filler Cap Seal (Part No.73193)
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:
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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
Victor Reinz – Engine Valve Cover Gasket (Part No.15-11180-01)
from
$25.99
Oil drops on the driveway are a distant memory thanks to sophisticated engine valve cover and gasket designs. Victor Reinz is at the forefront of engineering the latest sealing technology. Although the primary task of valve cover gaskets is to seal oil and oil spray, they must withstand high temperatures brought on by nearby exhaust manifolds, exhaust crossovers in the cylinder heads, and EGR systems. Victor Reinz valve cover gaskets deliver the quality materials you demand. Where appropriate, Victor Reinz valve cover gaskets are designed with compression limiters to prevent over-torquing, splitting, or the need to retorque.
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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.
Dayco – Premium Timing Belt, 70.87 Inch With 225 Round Tooth, With Flat Tip (Part No.95285)
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.
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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
Cloyes Gear – Primary Timing Chain Kit: Exact Fit, 60 Links, Timing Components, With Sprockets (Part No.9-4205SB)
from
$97.99
Since 1921, Cloyes has been the trusted leader in automotive timing systems delivering premium-quality solutions. Cloyes engine timing chain kits are engineered for precision, durability, and optimal engine performance. Kits include all chains, sprockets, tensioners, chain guides, and chain tensioner guides – respective to application and kit selection. To ensure total timing system integrity, Cloyes recommends replacing all engine timing components.
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Product Features:
- Cloyes chains are pre-stressed and heat-treated. Engineered and manufactured with precision pitch control to ensure optimal chain-to-sprocket fit reducing noise, minimizing fatigue, maintaining accurate timing and delivering long-term durability.
- Sprockets are CAD designed, manufactured using premium material and heat-treated. Featuring precision-tooled tooth form, bore, off-set and timing index for superior fit, reliability, and long-term performance in engine timing repairs.
- Timing chain tensioners can use spring tension or hydraulic pressure to properly tension the chain. All are CAD designed and manufactured using premium materials allowing for smooth installation and reliable performance.
- All timing components designed in the USA and manufactured using premium materials for OE-level fit and function, allowing for smooth installation and reliable performance.
- Each part is extensively tested for function, fitment, and durability to ensure consistent quality and optimal performance, reducing the risk of comebacks.
- Backed by Limited and over 100 years of engineering leadership with unmatched technical support and repair confidence in every kit.
Dorman – Camshaft Position Sensor (Part No.917-745)
from
$37.99
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.
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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
National – Shaft Repair Sleeve (Part No.99147)
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.
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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
Victor Reinz – Engine Camshaft Seal (Part No.71-18369-00)
from
$24.99
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.
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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.
Felpro – Shaft Repair Sleeve (Part No.16228)
from
$10.49
Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
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Product Features:
- Engine$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 – PermaTorque Engine Cylinder Head Gasket Set (Part No.HS 26489 PT)
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:
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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
Dorman – Engine Oil Cap O-ring (Part No.42353)
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.
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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
Dorman – Rivet-Push In-Hole Diameter .500 In-Head Diameter 1 In-Length .900 In (Part No.799-105)
from
$5.99
Constructed of quality materials, this multi-purpose retainer provides the same function and versatility as the original equipment retainer ensuring Length service life.
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Product Features:
- Ideal replacement – this retainer matches the fit and function of the original equipment retainer for this vehicle application
- Quality material – this retainer is made of durable material for Length-lasting service
- Versatile design – this retainer is suitable for a variety of automotive uses
- Excellent value – this part offers original equipment quality at a competitive cost
Carquest Premium – Engine Oil Filler Cap: Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10099)
from
$11.99
Manufactured from high quality components by an OE Supplier. Proper fit and sealing prevents oil loss. Designed to OEM specifications. High quality finish is designed to compliment the engine compartment appearance.
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Product Features:
- Provides proper seal to ensure leak prevention
- Stops engine blow by
- High quality construction
- Meets all OEM specifications
Imperial – Engine Oil Cooler (Part No.241040)
from
$248.99
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.
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Product Features:
- Imperial Swirl-Cool engine oil cooler kit
- Size: 1-1/2″ x 6-1/2″ x 18″
- Heavy-duty applications
- All except Chevrolet V8 applications
- Universal Cooler, NOT a direct OE replacement. User to determine fitment prior to installation
- Heavy duty applications
- All except Chevrolet V8 applications
- Universal Cooler, NOT a direct OE replacement. User to determine fitment prior to installation
- Heavy duty applications
- All except Chevrolet V8 applications
GM Genuine Parts – Engine Crankshaft Position Sensor (Part No.12674702)
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.
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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
NTK – Engine Crankshaft Position Sensor (Part No.EH0065)
from
$35.99
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.
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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
Melling – Stock Replacement Oil Pump Screen (Part No.324S)
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.
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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
Melling – Stock Replacement Oil Pump Screen (Part No.370S)
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.
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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
Anchor – Engine Mount: Front Left, Front Right, Rear, 1 Piece (Part No.3149)
from
$115.99
Anchor 3149 This mount supports the engine and dampen vibration. Each mount is specifically engineered and designed to OE standards. Natural and SBR rubber provide maximum life and performance. Steel fasteners are heat treated grade 5 bolts. A special bonding agent is used to ensure a rubber to metal bond. Rubber material is mixed to specific Durometer, hardness.
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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 Chemlok 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
Anchor – Engine Mount: Front Left, Front Right, 1 Piece (Part No.3328)
from
$129.99
Anchor 3328 This mount supports the engine and dampen vibration. Each mount is specifically engineered and designed to OE standards. Natural and SBR rubber provide maximum life and performance. Steel fasteners are heat treated grade 5 bolts. A special bonding agent is used to ensure a rubber to metal bond. Rubber material is mixed to specific Durometer, hardness.
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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 Chemlok 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: 2008-2015
- Weight approx: 4 Lbs
- Hydraulic
- 1 Stud Fixed
- 1 Removeable Stud Not Included
- Part Group: 3328, 3328
Felpro – PermaTorque Engine Cylinder Head Gasket (Part No.26559 PT)
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:
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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
Felpro – PermaTorque Engine Cylinder Head Gasket (Part No.26377 PT)
from
$52.99
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:
- 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
Dorman – Main Seal Cover Kit (Part No.635-518)
from
$83.99
This direct replacement rear main seal cover kit matches the fit and function of the original equipment cover for a reliable repair. This part has undergone extensive testing to ensure adherence to precise design standards.
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Product Features:
- Direct replacement – this rear main seal cover kit matches the factory design, and includes a new gasket, installation hardware, and an updated seal design for superior leak prevention
- Durable construction – the timing cover in this kit is made of die-cast aluminum for a leak-free fit and durability
- Convenient solution – this kit includes a new gasket and installation hardware for a complete repair
- Quality tested – this part has undergone extensive testing to ensure a quality fit and long service life
Dorman – Main Seal Cover Kit (Part No.635-786)
from
$142.99
This direct replacement rear main seal cover matches the fit and function of the original equipment cover for a reliable repair. This part has undergone extensive testing to ensure adherence to precise design standards.
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Product Features:
- Direct replacement – this rear main seal cover matches the fit and function of the original equipment cover for a trouble-free installation
- Durable construction – this rear main seal cover is made of quality materials for a reliable fit and enduring service life
- Convenient solution – get a quality repair solution without the hassle of buying original equipment
- Quality tested – this part has undergone extensive testing to ensure a quality fit and long service life
National – Multi-Purpose Seal (Part No.714436)
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.
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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
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:
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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
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 30 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 $328.42, with
an average price of $54.22.
Our 30 Engine Parts in stock come from 13 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, Dorman, Anchor, and more.
Felpro Engine Parts
start at just $8.49 and boast an impressive 4.6 stars average rating from customers.
Dorman and Anchor also bring quality to the table, with Engine Parts available starting at $5.99, and at an average 4.2 stars rating.
With 238 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 $29.49.
Dayco – Premium Timing Belt, 70.87 Inch With 225 Round Tooth, With Flat Tip (Part No.95285)
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:
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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
Schaeffler – Shaft Seal (Part No.SS3894)
from
$29.49
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.
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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
Most Popular 2003 Cadillac CTS Valve Cover and Cylinder Heads
Customize your Cadillac with 3 Valve Cover and Cylinder Heads products
like Cylinder Head Gaskets,
Cylinder Head Gasket Sets, and
Engine Valve Cover O-Rings, all
priced under $189.99.
Felpro – Engine Oil Filler Cap Seal (Part No.73193)
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:
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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
Felpro – PermaTorque Engine Cylinder Head Gasket Set (Part No.HS 26489 PT)
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:
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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
Felpro – PermaTorque Engine Cylinder Head Gasket (Part No.26489 PT)
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:
See More
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
Top Picks for 2003 Cadillac CTS Engine Gaskets and Seals
Upgrade Cadillac CTSs with top-quality Engine Gaskets and Seals parts, including 2 OEM and aftermarket selections for your 2003 model.
Felpro – Rear Main Seal Set (Part No.BS 40671)
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:
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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
Victor Reinz – RTV Silicone (Part No.70-31414-10)
from
$9.99
Product Features:
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- Resistant to temperatures from -58 Deg. F to 482 Deg. F, and briefly up to 572 Deg. F (-50 Deg. C to 250 Deg. C, briefly to 300 Deg. C)
- Insignificant shrinkage and loss of mass even in high-heat environments
- Fast-curing, low-odor, noncorrosive (pH neutral, non-acidic, non-oxidizing), and will not harm oxygen sensors
- Sealing gap 0.006 in (0.15 mm)
In-Demand Camshafts for 2003 Cadillac CTSs
Select from 6 premium Camshafts parts for your 2003 Cadillac CTS, with prices ranging from $2.79 to $73.99.
Carquest Premium – Multi-Use Connector (Part No.ABA3461)
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$14.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.
Product Features:
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Product Features:
- Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
- Sealed connections (where applicable) to prevent environmental corrosion and performance issues
- Global coverage for import and/or domestic applications
- OE specified wire gauge to ensure a reliable electrical connection
- Designed to meet or exceed OE specifications in form, fit and function
Carquest Premium – Engine Camshaft Position Sensor (Part No.CSA1498)
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$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:
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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
Carquest Premium – Multi-Use Connector (Part No.PTA1226)
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$41.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.
Product Features:
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Product Features:
- Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
- Product constructed to meet all design and operating characteristics as intended by the manufacturer.
- Product constructed to meet all design and operating characteristics as intended by the manufacturer.
- OE specified wire gauge to ensure a reliable electrical connection
- Designed to meet or exceed OE specifications in form, fit and function
Dorman – Camshaft Position Sensor (Part No.907-814)
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$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:
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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
Schaeffler – General Seal (Part No.SS2412)
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$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.
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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
Driveworks – Crankshaft Seal (Part No.S-714436)
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)
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$115.99
Anchor 3149 This mount supports the engine and dampen vibration. Each mount is specifically engineered and designed to OE standards. Natural and SBR rubber provide maximum life and performance. Steel fasteners are heat treated grade 5 bolts. A special bonding agent is used to ensure a rubber to metal bond. Rubber material is mixed to specific Durometer, hardness.
Product Features:
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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 Chemlok 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
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, Dorman, and Anchor, and more. Engine Parts from these brands that fit a 2003 CTS start at just $5.99 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 $8.49. Plus, with over 109 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.
Popular Dorman 2003 Cadillac CTS Engine Parts
Dorman 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 Dorman parts in their vehicle. To ensure the best fit and performance for your 2003 CTS, Advance Auto Parts carries a full inventory of 1 Dorman Engine Parts. Plus you will be keeping your Cadillac in peak condition while saving money because prices on these Dorman Engine Parts range up to $5.99, plus, with more than 1 customer reviews and an impressive 4.2 stars average rating, you can be confident the Fram Engine Parts below will deliver on both quality and value.
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$5.99
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Rivet-Push In-Hole Diameter .500 In-Head Diameter 1 In-Length .900 In
“Used these to replace a couple broken rivets in fan shroud, and they fit well and worked great.”
FAQs for 2003 Cadillac CTS Engine Parts
Which Engine Parts are best-sellers for 2003 Cadillac CTSs?
Out of 30 Engine Parts that fit 2003 Cadillac CTSs, the following parts are the top sellers:
- Engine Mount: Front Left, Front Right, Rear, 1 Piece (10057222) – $115.99
- Engine Oil Filler Cap Seal (12005635) – $5.99
- Engine Crankshaft Seal Kit (10716906) – $32.99
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 $328.42 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 $54.22. 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?
What are the cheapest Engine Parts for my 2003 Cadillac CTS?
The cheapest 2003 Cadillac CTS Engine Parts we carry in stock are:
- Crankshaft Seal (11468569) – $2.79
- Engine Oil Filler Cap Seal (12005635) – $5.99
- Rivet-Push In-Hole Diameter .500 In-Head Diameter 1 In-Length .900 In (22144404) – $5.99
- Fuel Injector O-Ring Kit (3504360) – $8.49
- Multi-Purpose Seal (20440147) – $8.99
What types of Engine Parts do you sell for my 2003 Cadillac CTS?
As of 3/1/26, these are some of the most in-demand types of Engine Parts for a 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.
