2003 Cadillac Escalade EXT Transmission Parts

Essential 2003 Cadillac Escalade EXT Transmission Parts

ATP – AT MSTR REP KIT PLUS (Part No.JMS-25)

AT MSTR REP KIT PLUS

from

$526.99
AT MSTR REP KIT PLUS

Dorman – Transmission Oil Pan: Direct Fit, Steel, 12 Quart (Part No.265-811)

Transmission Oil Pan: Direct Fit, Steel, 12 Quart

from

$54.99
This replacement transmission oil pan is a direct replacement for a damaged original equipment transmission pan. Made of quality materials, it’s designed for reliable, leak-free service.

Product Features:
  • Ideal replacement – this transmission oil pan matches the fit and function of the original pan for a trouble-free replacement
  • Durable construction – this transmission oil pan is made of quality materials for durability and leak-free performance
  • Cost-effective solution – offers original equipment performance at competitive price
  • Quality tested – this part has undergone try-on testing to ensure a quality fit
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ACDelco – AT Output Shaft Seal (Part No.J2557626265ACD)

AT Output Shaft Seal

from

$11.94
AT Output Shaft Seal

Driveworks – Oil Seal (Part No.S-4950)

Oil Seal

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$4.29
Value-priced seal meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
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Dorman – Transmission Oil Pan: Direct Fit, Steel, 13.5 Quart (Part No.265-810)

Transmission Oil Pan: Direct Fit, Steel, 13.5 Quart

from

$79.99
This replacement transmission oil pan is a direct replacement for a damaged original equipment transmission pan. Made of quality materials, it’s designed for reliable, leak-free service.

Product Features:
  • Ideal replacement – this transmission oil pan matches the fit and function of the original pan for a trouble-free replacement
  • Durable construction – this transmission oil pan is made of quality materials for durability and leak-free performance
  • Cost-effective solution – offers original equipment performance at competitive price
  • Quality tested – this part has undergone try-on testing to ensure a quality fit
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Carquest Premium – Repair Harness (Part No.PTC1522)

Repair Harness

from

$109.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.

Product Features:
  • Premium quality materials for longer service life
  • 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
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Dorman – Transmission Oil Cooler Line (Part No.624-710)

Transmission Oil Cooler Line

from

$31.99
This automatic transmission oil cooler hose assembly is designed to match the fit and function of an original assembly. It is engineered from durable components as a reliable replacement for leaking or damaged lines on specified vehicles.

Product Features:
  • Direct replacement – this automatic transmission oil cooler hose assembly is designed to match the fit and function of the original equipment assembly on specified vehicle makes, models and years
  • Ideal solution – engineered to help ensure proper transmission cooling when the original assembly is leaking or has failed from corrosion, collision, vibration, or fitting damage
  • Durable construction – made of quality materials for reliable performance and long service life
  • 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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Carquest Premium – Automatic Transmission Speed Sensor (Part No.SBC3664)

Automatic Transmission Speed Sensor

from

$35.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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National – Multi Purpose Seal (Part No.8792S)

Multi Purpose Seal

from

$6.99
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:
  • Low swell in hydrocarbon fluids
  • Design type: spring loaded; multi-lip
  • Provides good low temperature capability
  • Temperature range: -40°F to 225°F; -40°C to 107°C
  • Delivers quality and reliable performance for every type of repair
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Dorman – Transmission Shift Interlock Solenoid (Part No.924-977)

Transmission Shift Interlock Solenoid

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$29.99
This shift interlock solenoid is designed to match the fit and function of the original solenoid on specified vehicles, and is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this shift interlock solenoid is designed to match the fit and function of the original solenoid on specified vehicles
  • Ideal solution – this solenoid is a reliable replacement for an original part that is damaged or has failed due to fatigue, excessive heat or electrical current
  • Durable construction – this solenoid is made from quality components to ensure reliable performance and a long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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ACDelco – Multi-Purpose Pigtail (Part No.PT1626)

Multi-Purpose Pigtail

from

$65.99
ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended replacements for your vehicle’s original components. These original equipment pigtail connectors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Protective outer coverings help provide long-lasting durability
  • Color-coded wires allow for easy installation
  • 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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ATP – ATHARNESS VSS REPR (Part No.CE-9)

ATHARNESS VSS REPR

from

$202.99
ATHARNESS VSS REPR

National – Bearings (Part No.M802048)

Bearings

from

$23.99
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

Product Features:
  • Premium bearing design matches OEM specifications
  • Precision manufactured using premium-grade steel for outstanding durability and performance
  • Crowned raceways and rollers to ensure even load distribution for maximum life
  • Industry leading coverage
  • Professional technicians know they can depend on National
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Dorman – 4 Wire Multipurpose Connector (Part No.645-578)

4 Wire Multipurpose Connector

from

$62.99
This neutral safety switch connector is designed to match the appearance and function of the original hardware on specified applications. Made of quality materials, it is engineered for reliable performance and durability.

Product Features:
  • Direct replacement – this neutral safety switch connector matches the appearance and function of the factory hardware on specified applications
  • Ideal solution – this connector is a reliable replacement for an original part that is missing or has failed due to fatigue
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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Imperial – Maxi-Kool® XL Transmission Oil Cooler (Part No.243012)

Maxi-Kool® XL Transmission Oil Cooler

from

$81.99
Product Features:
  • Class “A” motor homes, large travel trailers, 5th-wheel trailers
  • GVWR up to 30,000 lbs.; towing up to 10,000 lbs.
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SKF – Trans Case Output Sh (Part No.J712145761SKF)

Trans Case Output Sh

from

$26.73
Trans Case Output Sh

Mahle – Oil Dipstick Seal (Part No.A1120666332MAH)

Oil Dipstick Seal

from

$2.60
Oil Dipstick Seal

Driveworks – Taper Bearing Cone (Part No.S-LM-501349)

Taper Bearing Cone

from

$10.79
Value-priced bearing meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
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Energy Suspension – Transmission Mount (Part No.3.1129G)

Transmission Mount

from

$87.99
A true performance application component for cars, trucks, hot rods, racing/competition, yet popularly used for street vehicles when more horsepower is added. Soft running enough to absorb vibrations for street use yet rugged for racing use. Helps control torque on high performance vehicles. Maintains proper drive shaft angle to help prevent early wear and unexpected power train damage. Replaces the original, short lived and typically too-soft rubber mounts and outdates those hard-running metal transmission mounts. Resistant to under vehicle fluid oils, coolants and road contaminants. Made of Energy’s Hyper-Flex performance polyurethane and heavy duty hardware – for added durability.

Product Features:
  • Unique Safety Interlock Design
  • Impervious to Vehicle Oils and Chemicals
  • Strong Enough Too Handle High Performance
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ATP – Automatic Transmission Shifter Cable (Part No.Y-1288)

Automatic Transmission Shifter Cable

from

$71.99
Automatic Transmission Shifter Cable

National – Multi Purpose Seal (Part No.710597)

Multi Purpose Seal

from

$9.29
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:
  • Low swell in hydrocarbon fluids
  • Design type: spring loaded; multi-lip
  • Provides good low temperature capability
  • Temperature range: -40°F to 225°F; -40°C to 107°C
  • Delivers quality and reliable performance for every type of repair
See More

ARP Auto Racing – For Use With Gen Iii/ Ls Series Chevy Small Block, 0.880" Under Head L (Part No.244-2901)

For Use With Gen Iii/ Ls Series Chevy Small Block, 0.880" Under Head L

from

$29.99
Flywheel and flex plate bolts play an important role in the performance and safety of race cars and street machines alike. That is why the fastener experts at ARP have developed special bolts that are far superior to OEM hardware. ARP offers two styles of flywheel/flex plate bolts: High Performance and Pro Series. They are both forged from aerospace alloy and heat treated prior to thread rolling and machining. Both feature an exclusive, flat, 12 point head design and larger than stock shank diameter for increased strength and improved flywheel register. The popular High Performance series is rated at 180,000 PSI, and the premium grade Pro Series, originally developed for NASCAR competition, has a 200,000 PSI rating. Complete with washers and nuts where applicable.

Product Features:
  • Forged From Aerospace Alloy And Heat Treated Prior To Thread Rolling And Machining
  • Feature An Exclusive, Flat, 12 Point Head Design And Larger Than Stock Shank Diameter
  • Flanged Nut
  • Increased Strength And Improved Flywheel Register
  • 0.88″ Underhead Length
  • Set of 6
  • 200,000 PSI
  • 1-PC Rear Main
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ACDelco – Axle Differential Be (Part No.K4011415668ACD)

Axle Differential Be

from

$115.84
Axle Differential Be

Driveworks – Auto Transmission Shift Shaft Seal (Part No.S-8792S)

Auto Transmission Shift Shaft Seal

from

$2.49
Product Features:
  • Brand may vary by location
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Felpro – Transmission Oil Pan Gasket (Part No.TOS 18663)

Transmission Oil Pan Gasket

from

$10.99
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
  • Unsurpassed quality you can trust
  • Validated for fit, form and function
  • Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
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Carquest Premium – Air Bag Connector (Part No.PTA1693)

Air Bag Connector

from

$58.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.

Product Features:
  • Premium quality materials for longer service life
  • 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
See More

Carquest – Multi Purpose Relay (Part No.83A1004)

Multi Purpose Relay

from

$15.99
High-quality products that meet OE appearance and performance to provide professional technicians and DIYers with a cost-effective solution.

Product Features:
  • High-quality products that meet OE appearance and performance to
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Carquest Premium – Multi Purpose Relay (Part No.RAA1241)

Multi Purpose Relay

from

$21.99
Carquest premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
See More

Popular 2003 Cadillac Escalade EXT Transmission Parts Categories

2003 Cadillac Escalade EXT Transmission 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 Transmission Parts. With 130 Transmission Parts ranging in price from $2.49 to $2,189.00, you’re sure to find everything you need for your 2003 Cadillac Escalade EXT.

Brands matter. If you want to shop a specific Transmission Parts brand, we stock 27 different brands like Dorman, Imperial, and National. 2003 Cadillac Escalade EXT Transmission Parts start as low as $2.49!

One of the best ways to find top quality OEM or aftermarket Transmission Parts is by asking professionals. Short of that, you can shop with confidence thanks to our 447 extensive product reviews on 2003 Cadillac Escalade EXT Transmission Parts. Some of the top-rated Transmission Parts products we carry are Maxi-Kool® XL Transmission Oil Cooler with 4.4 stars and Multi Purpose Seal with 4.4 stars.

Did we mention you can order your Transmission 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 Transmission Parts inventory for your 2003 Cadillac Escalade EXT below to get started!

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

Trusted Transmission 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 Dorman, Imperial, National, and even more.

Popular ACDelco Transmission Parts

You’ll find popular ACDelco brand products across Back Up Neutral Safety Parts. All are waiting to get your 2003 Cadillac Escalade EXT back on the road. Some of the top-rated ACDelco products in these categories are:
Black Multi-Purpose Relay
from $16.49
(2)
Black Multi-Purpose Relay
Neutral Safety Relays

Top-Rated Dorman Transmission Parts


If Dorman are what you’re looking for, our inventory holds plenty. We stock Dorman brand Transmission Parts for your 2003 Cadillac Escalade EXT, and some of our most reviewed Dorman parts include:
Transmission Oil Cooler Line: Exact Fit, Metal/Rubber
from $31.99
(28)
Transmission Oil Cooler Line: Exact Fit, Metal/Rubber
Transmission Oil Cooler Lines
Transmission Oil Pan: Direct Fit, Steel, 12 Quart
from $54.99
(18)
Transmission Oil Pan: Direct Fit, Steel, 12 Quart
Transmission Oil Pans
Transmission Line Connector With 3/8 Tube X 5/8-18 In. Thread
from $6.49
(16)
Transmission Line Connector With 3/8 Tube X 5/8-18 In. Thread
Automatic Transmission Line Connectors

FAQs for 2003 Cadillac Escalade EXT Transmission Parts

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

Out of 130 Transmission Parts for the 2003 Cadillac Escalade EXT, the most popular in our inventory are:
High Performance Transmission Oil Cooler
from $81.99
(48)
High Performance Transmission Oil Cooler
OE Transmission Coolers
Transmission Mount: Rear, 1 Piece
from $23.49
(20)
Transmission Mount: Rear, 1 Piece
Transmission Mounts
Transmission Oil Pan Gasket
from $10.99
(46)
Transmission Oil Pan Gasket
Transmission Oil Pan Gaskets

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

Top-rated Transmission Parts for your 2003 Cadillac Escalade EXT based on customer reviews/ratings are:
Maxi-Kool® XL Transmission Oil Cooler
from $81.99
(31)
Maxi-Kool® XL Transmission Oil Cooler
“Great , kept my trans cool pulling a large loader”
Multi Purpose Seal
from $6.99
(20)
Multi Purpose Seal
“The product works well”