2003 Cadillac Escalade EXT Engine Parts

Essential 2003 Cadillac Escalade EXT Engine Parts

Crankshaft Rebuilders – Remanufactured Crankshaft Kit (Part No.11960)

Remanufactured Crankshaft Kit

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$429.99
Remanufactured precision machined OE crankshafts.

Product Features:
  • Includes matching rod and main bearings.
  • Journals Micropolished.
  • All units subject to complete quality inspection.
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Sealed Power – Engine Push Rod (Part No.RP-3349)

Engine Push Rod

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$6.29
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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ACDelco – Engine Oil Level Sensor (Part No.D8055)

Engine Oil Level Sensor

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$39.99
An ACDelco Professional, premium aftermarket Engine Oil Level Sensor is a high quality replacement for many vehicles on the road today. It measures the oil level in your vehicle’s oil pan and will send warnings to the information center or dash panel if oil levels reach a level that is too low, as determined by General Motors engineers. This premium aftermarket replacement engine oil level sensor is manufactured to meet your expectations for fit, form, and function.

Product Features:
  • Professional, premium aftermarket replacement
  • Provides the performance and dependability you expect from ACDelco
  • Manufactured to meet expectations for fit, form, and function
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Dorman – Oil Cooler Hose (Part No.A6200719659DOR)

Oil Cooler Hose

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$157.30
Oil Cooler Hose

Cloyes Gear – Engine Timing Set (Part No.C-3220)

Engine Timing Set

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$49.99
Timing Set includes all components for a quick and efficient replacement

Product Features:
  • Utilizes the latest in design and technology to offer complete chain sets
  • CAD designed and manufactured using premium materials
  • Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
  • Utilizes the latest in design and technology to offer complete chain sets
  • Refer to our online catalog for detailed application-specific information
  • Set Includes: Cam Sprocket, Crankshaft Sprocket, Timing Chain
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MTC – Valve Cover (Part No.A3160685630MTC)

Valve Cover

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$150.65
Valve Cover

Felpro – Engine Crankshaft Repair Sleeve (Part No.16228)

Engine Crankshaft Repair Sleeve

from

$10.29
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • 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
  • Validated for fit, form, and function
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ACDelco – GM Original Equipment Fuel Pump Tank Seal (Part No.E3004295098ACD)

GM Original Equipment Fuel Pump Tank Seal

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$22.52
The ACDelco GM Original Equipment Fuel Pump Tank Seal is a GM-recommended replacement component that provides the same performance, durability, and service life as your factory original equipment.

Product Features:
  • 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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Sealed Power – Engine Intake Valve (Part No.V-4644)

Engine Intake Valve

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$6.49
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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Cloyes Gear – Engine Timing Camshaft Sprocket (Part No.S878T)

Engine Timing Camshaft Sprocket

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$32.99
Along with the timing chain, tensioners, and guides, sprockets are an integral component within the timing system. Timing gears and sprockets are available as part of complete timing kits as well as for individual purchase and installation

Product Features:
  • Featuring precision-tooled or machined tooth form and precision-machined bore for true fit, timing chain sprockets offer reliability and dependability for engine rebuilds and typical replacement jobs
  • Recommended that the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced, as these components play a vital role in system stability and accurate timing
  • CAD designed and manufactured using premium materials
  • Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
  • Refer to our online catalog for detailed application-specific information
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Elring – Timing Cover Gasket (Part No.A8050546929ELR)

Timing Cover Gasket

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$24.08
Timing Cover Gasket

GM Genuine Parts – Oil Pan Cover Gasket: Nitrile Coated SS (Part No.12611384)

Oil Pan Cover Gasket: Nitrile Coated SS

from

$8.49
GM Genuine Parts Engine Oil Pan Cover Gasket are designed, engineered, and tested to rigorous standards, and are backed by General Motors. 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:
  • 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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ARP Auto Racing – ARP Harmonic Damper Bolt Kit (Part No.234-2503)

ARP Harmonic Damper Bolt Kit

from

$41.49
As the crankshaft flexes and twists, the balancer absorbs incredible amounts of kinetic energy. To ensure that the balancer is locked in place, ARP has developed these ultra-strong 200,000 psi bolts that let you exert maximum clamping force. Special features include 1/4′ thick, wide area washer and an extra tall 12-point head that accepts a deep socket and eliminates the worry of stripping the head.

Product Features:
  • 1-1/16″ 12-Point Socket Size(s)
  • 8740 Chromoly
  • Black Oxide
  • Chevy LS1/LS6
  • Sold Individually
  • M16 x 2.0 Thread Size
  • 4.325″ Underhead Length
  • 200,000 PSI
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Premium Drive Train – Engine Assembly (Part No.L6002CAD)

Engine Assembly

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$3519.99
(PDT) Premium Drivetrain Engines are remanufactured to original equipment (OEM) demanding specifications by an OEM builder. Each engine assembly is manufactured with the highest technology equipment, the most intelligent engineering support, and the best practices available in remanufacturing today.

Product Features:
  • REMANUFACTURING and QUALITY CHECKS – ENGINE BLOCKS: Each block is magnafluxed for cracks and checked for any visible damage to the block or threaded holes before being repainted to the original color. Five CNC machining centers are programmed to precise specifications that meet or exceed those established by the OEM for each engine block. After the engine block is bored, decked, and chamfered, each cylinder is honed with the specified OEM cross-hatch pattern. 100% gauging of all cylinder bores for diameter and roundness after final honing operation. 100% new pistons, rings and bearings are installed in every engine.
  • CYLINDER HEADS: Every head is resurfaced and completely inspected for any visible damage or cracks to the casting or threaded holes. Any heads that have cracks in the combustion chamber are immediately scrapped, no weld repairs. Valve seats are machined, inspected and replaced if necessary. Valve guides are inspected with an air gauge and replaced if necessary. The cam bore is air gauge checked on overhead cam engines and machined if required. 100% new valves, seals and lifters are used in every head. All head and valve assemblies are quantified for leakage using a vacuum decay process.
  • CONNECTING RODS: Each connecting rod is measured against OEM specifications for bend, twist, and center-to-center length before use. The piston pin bore and bearing bore are measured with air gauges for proper dimensions. New torque to yield rod bolts and nuts are installed.
  • CRANKSHAFTS: Crankshafts are machined on a fully automated CNC crank grinder. This enables consistency and critical tolerances for each journal. All oil galley holes are chamfered and brushed after machining and the crankshaft is given a final wash to ensure cleanliness. Each crank is inspected for cracks, bow and all applicable run-out specs for rod and main journals.
  • DYNAMIC ENGINE TESTING: Sims Testing – All engines are cold motored and checked and measured for proper torque to turn, cylinder compression, oil flow, oil pressure as well as monitored for any unusual noises inside the assembly. All engine assemblies quantified for oil gallery, gasket, and casting leakage in the oil passageways.
  • Product might not be available in all states due to local laws.
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Sealed Power – Engine Valve Spring Retainer Keeper (Part No.VK-291)

Engine Valve Spring Retainer Keeper

from

$0.65
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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GM Genuine Parts – Pink Engine Mount (Part No.15226255)

Pink Engine Mount

from

$280.99
GM Genuine Parts Engine Mount are designed, engineered, and tested to rigorous standards, and are backed by General Motors. 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:
  • 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 – Camshaft Position Sensor (Part No.EC0321)

Camshaft Position Sensor

from

$52.99
The Camshaft Position Sensor plays a vital role in your engine’s operation; to determine the exact position and speed of the camshaft(s) to the ECM. The ECM uses this information to determine fuel and spark timing as well as VVT operation. A failed sensor can result in a check engine light, hard starting or failure to start, increased vehicle emissions and engine misfire. NTK Camshaft Position Sensors are a premium quality product with outstanding support and leading innovation bred from our OE heritage.

Product Features:
  • THE NTK 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 camshaft
  • 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
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Mahle – CLEVITE Main Bearing (Part No.A20051069349MAH)

CLEVITE Main Bearing

from

$119.62
Clevite is the number one name in replacement engine bearings, delivering on the track and in machine shops around the country. With track proven performance in engines with thousands of horsepower, it is obvious Clevite has the strength to handle any light vehicle application. As more and more OE manufacturers shift to aluminum bearings in OE engines, Clevite has introduced a new line of engine bearings designed to be the highest quality replacement bearings in the industry. Clevite BiMetal engine bearings carry on the tradition and reputation that Clevite has built throughout the course of time. Clevite BiMetal engine bearings feature a 100% lead free aluminum silicon bi-metal material, which includes 60% more silicon than the leading competitor’s bi-metal material for better conditioning of journal surfaces. These BiMetal bearings also offer greater wear resistance than the leading competitor’s bi-metal material, as well as greater seizure resistance. Clevite BiMetal bearings feature 100% bored ID’s for precision and surface characteristics and where appropriate – straight shell main bearings utilizing an umbrella groove that allows for superior oil control and improved pressure.

Product Features:
  • Original Equipment Manufacturer
  • Maximum Load-Bearing Capacity
  • Fatigue-Resistant, adaptable
  • Resistant to Wear and Corrosion
  • Advanced Surface Coatings
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National – Multi Purpose Seal (Part No.100085)

Multi Purpose Seal

from

$25.99
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: -100°F to 450°F; -73°C to 232°C
  • Resistant to hydrocarbon/oxygenate blends and provides superior performance
  • Provides excellent dry running capabilities, low coefficient of friction and excellent resistance to chemicals
  • Delivers quality and reliable performance for every type of repair
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GM Genuine Parts – Gen III/IV Lifter Guide (Part No.12595365)

Gen III/IV Lifter Guide

from

$14.99
GM Genuine Parts Engine Valve Lifter Guide are designed, engineered, and tested to rigorous standards, and are backed by General Motors. 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:
  • 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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Dorman – Help – Engine Oil Dipstick: Direct Replacement, Stainless Steel (Part No.917-307)

Engine Oil Dipstick: Direct Replacement, Stainless Steel

from

$21.99
This engine oil dipstick is designed to match the fit and function of an original equipment dipstick in specified applications. Level marks are clearly distinguished and properly gauged for accuracy.

Product Features:
  • Ideal replacement – this engine oil dipstick is designed to match the fit and function of an original equipment dipstick in specified applications
  • Ideal solution – level marks are clearly distinguished and properly gauged for accuracy
  • 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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Cloyes Gear – Engine Timing Chain (Part No.9-4205)

Engine Timing Chain

from

$39.99
A timing chain synchronizes the rotation of the crankshaft and camshaft(s) ensuring proper timing and allows the engine’s valves to open and close during each cylinder’s firing. Available in kits or as a stand-alone product, our chains are pre-stressed and heat-treated for increased durability. Our chains are engineered and manufactured with precision pitch control for proper chain-to-sprocket tooth fitment

Product Features:
  • Recommended that the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced, as these components play a vital role in system stability and accurate timing
  • Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
  • Engineered and manufactured with precision pitch control for proper chain-to-sprocket tooth fitment
  • CAD designed and manufactured using premium materials
  • Refer to our online catalog for detailed application-specific information
  • Pre-Stressed And Heat-Treated For Increased Durability. Precision Cut Plates And Rollers With Smooth Finish. Precision Pitch Control For Proper Chain To Sprocket Tooth Fit.
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Dorman – Crankshaft Seal Cove (Part No.A2160751058DOR)

Crankshaft Seal Cove

from

$67.53
Crankshaft Seal Cove

ACDelco – Oil Filler Cap Gaske (Part No.A6150209855ACD)

Oil Filler Cap Gaske

from

$5.22
Oil Filler Cap Gaske

Felpro – Engine Coolant Crossover Pipe Mounting Set (Part No.ES 73027)

Engine Coolant Crossover Pipe Mounting Set

from

$19.99
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 for Unsurpassed quality you can trust
  • Validated for fit, form, and function
  • Quality that 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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Popular 2003 Cadillac Escalade EXT Engine Parts Categories

2003 Cadillac Escalade EXT Engine Parts

You count on your 2003 Cadillac Escalade EXT to run right. That means taking care of it with regular maintenance, necessary repairs, and the right parts. Advance Auto Parts can help with all of that thanks to our extensive inventory of trusted Engine Parts. With 165 Engine Parts ranging in price from $0.65 to $3,729.99, you’re sure to find everything you need for your 2003 Cadillac Escalade EXT.

Brands matter. If you want to shop a specific Engine Parts brand, we stock 27 different brands like Felpro, Sealed Power, and Dorman. 2003 Cadillac Escalade EXT Engine Parts start as low as $0.65!

One of the best ways to find top quality OEM or aftermarket Engine Parts is by asking professionals. Short of that, you can shop with confidence thanks to our 551 extensive product reviews on 2003 Cadillac Escalade EXT Engine Parts. Some of the top-rated Engine Parts products we carry are Multi-Purpose O-Ring with 4.9 stars and Stock Replacement OE Type Oil Pump with 4.5 stars.

Did we mention you can order your Engine Parts from our online catalog and have them shipped right to your garage? Or, if you feel like seeing the parts first-hand, search for your nearest Advance Auto Parts location above and pick up in-store when you’re ready. Browse our full Engine Parts inventory for your 2003 Cadillac Escalade EXT below to get started!

Top-Rated Engine Parts Brands For Your 2003 Cadillac Escalade EXT

Trusted Engine Parts OEM and aftermarket product brands are what Advance Auto Parts specializes in. The brands we work with are sure to keep that 2003 Cadillac Escalade EXT running right for years to come. In our inventory you’ll find brands like Felpro, Sealed Power, Dorman, and even more.

Popular National Engine Parts

You’ll find popular National brand products across Engine Internals and Engine Gaskets and Seals. All are waiting to get your 2003 Cadillac Escalade EXT back on the road. Some of the top-rated National products in these categories are:
Multi Purpose Seal
from $28.99
(7)
Multi Purpose Seal
Crankshaft Seals
Shaft Repair Sleeve
from $43.99
(2)
Shaft Repair Sleeve
Power Take Off Shaft Seal
Multi Purpose Seal
from $25.99
(7)
Multi Purpose Seal
Rear Main Seal Sets

FAQs for 2003 Cadillac Escalade EXT Engine Parts

What are the most purchased Engine Parts for the 2003 Cadillac Escalade EXT?

Out of 165 Engine Parts for the 2003 Cadillac Escalade EXT, the most popular in our inventory are:
Engine Valve Lifter
from $12.99
(30)
Engine Valve Lifter
Engine Valve Lifters
Engine Crankshaft Seal Kit
from $41.99
(31)
Engine Crankshaft Seal Kit
Rear Main Seal Sets
Rear Main Seal Cover Kit
from $74.99
(19)
Rear Main Seal Cover Kit
Rear Main Seal Sets

What are the top-rated 2003 Cadillac Escalade EXT Engine Parts?

Top-rated Engine Parts for your 2003 Cadillac Escalade EXT based on customer reviews/ratings are:
Multi-Purpose O-Ring
from $5.49
(41)
Multi-Purpose O-Ring
“Fixed the low oil pressure at idle and ticking from the lifters”
Stock Replacement OE Type Oil Pump
from $121.99
(26)
Stock Replacement OE Type Oil Pump
“Great service.good job”
Engine Oil Filler Cap: 10099, Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack
from $9.99
(22)
Engine Oil Filler Cap: 10099, Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack
“Fit my 2006 Chevy Cobalt perfectly and for the cheap price it couldn’t be a better deal. I highly reccommend it. Also the AAP guy who sold it to me ma”