2003 Chevrolet Express 3500 Transmission Parts

Essential 2003 Chevrolet Express 3500 Transmission Parts

ATP – AT OIL PUMP SEAL (Part No.CO-37)

AT OIL PUMP SEAL

from

$19.99
AT OIL PUMP SEAL

Dorman – Metal Clip Nut No.8 (Part No.961-304D)

Metal Clip Nut No.8

from

$4.49
Dorman offers a comprehensive line of Clip / Spring Nuts for a range of automotive applications. They are available for use with a large variety of screw sizes, throat depths, and panel ranges.

Product Features:
  • Constructed of high-quality materials for long-lasting durability
  • Many different styles are available, including threaded and wide panel
  • Packaged in a variety of piece counts for use with both small and large projects
  • Also suitable for a broad range of industrial and commercial uses
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Mahle – Oil Dipstick Seal (Part No.A1120666332MAH)

Oil Dipstick Seal

from

$2.60
Oil Dipstick Seal

Dorman – Transmission Shift Interlock Solenoid (Part No.924-976)

Transmission Shift Interlock Solenoid

from

$39.99
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 – AT Selector Cable (Part No.J4040587025ACD)

AT Selector Cable

from

$135.11
AT Selector Cable

National – Multi Purpose Seal (Part No.2457)

Multi Purpose Seal

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$28.99
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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Shift Pro by ETE – 6L90 Automatic Transmission Assembly (Part No.T282128)

6L90 Automatic Transmission Assembly

from

$2992.99
At Shift Pro Inc, fully remanufactured transmissions go beyond the name. So, what’s in that name to start? Pro Engineering: your transmission has been re-engineered to meet or exceed OE standards for tolerances, durability, and quality. Pro Performance: upgraded components and a fully remanufactured torque converter add to enhanced durability over your transmission’s lifetime. Pro Performance: hot-, cold-, load-, and simulated road-tested on custom dynamometers, your transmission is ready to go, wherever you’re headed.

Product Features:
  • Fully tested torque converter included. Shift Pro Inc tests for leaks, lock-up, concentricity, and balance to eliminate the possibilities of front seal leaks, premature bushing wear, and vibration.
  • All dynamometer testing is conducted with Shift Pro Inc’s custom testing program for at least 30 minutes.
  • During dynamometer testing, Shift Pro Inc transmissions are cold, hot, load, and road tested using a fully synthetic transmission fluid and filtration system.
  • All wear-prone valves in the completely remanufactured valve body are restored to stringent specifications and vacuum tested to verify proper function.
  • Shift Pro Inc’s quality control process includes build specification checks performed by four different specialized technicians during the remanufacturing process.
  • No paperwork or registration is required with Shift Pro Inc’s warranty. Each no-hassle warranty is attached to the vehicle VIN and transferrable with ownership.
  • Product might not be available in all states due to local laws.
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Imperial – High Performance Transmission Oil Cooler (Part No.240512)

High Performance Transmission Oil Cooler

from

$67.99
Product Features:
  • Imperial high-performance transmission cooler
  • Size: 3/4″ x 7-1/2″ x 12-1/2″
  • SAE 45-degree fittings for maximum reliability
  • Electrostatic powder-coated to prevent corrosion
  • SAE 45 degree fittings for maximum reliability
  • Electrostatically powder coated to prevent corrosion
  • All aluminum lightweight construction
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ATP – ATHARNESS VSS REPR (Part No.JE-24)

ATHARNESS VSS REPR

from

$119.99
ATHARNESS VSS REPR

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 – Automatic Transmission Speed Sensor (Part No.SNA1125)

Automatic Transmission Speed Sensor

from

$38.99
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.5208)

Multi Purpose Seal

from

$18.29
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
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Carquest Premium – Automatic Transmission Fluid Temperature Sensor (Part No.WTA1322)

Automatic Transmission Fluid Temperature Sensor

from

$19.99
CARQUEST premium engine management products provide the right automatic transmission speed sensor for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions. Designed to meet OE quali

Product Features:
  • Lifecycle tested to meet or exceed OE specifications
  • Direct OE replacement
  • High strength thermoplastic is resistant to shock, temperature and chemicals. Also protects internal components from moisture and contaminants.
  • Global coverage for import and/or domestic applications.
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Driveworks – Tapered Roller Bearing (Part No.S-M-802048)

Tapered Roller Bearing

from

$16.99
Product Features:
  • Brand may vary by location
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B & M – Automatic Shifter, StarShifter (Part No.80675)

Automatic Shifter, StarShifter

from

$309.99
Features include NHRA/ IHRA reverse lockout, backup light switch, neutral safety switch, polished T-handle. Cable operated for quick installation and accurate shifting. For 2 and 3 speed applications.

Product Features:
  • Base Trims For Custom Fit
  • Cable Operated
  • Quick Installation
  • Accurate Shifting
  • NHRA/IHRA Reverse Lockout Meets Requirements
  • Includes Neutral Safety Switch
  • Polished Aluminum. T-Handle and Cable
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Felpro – AUTOMATIC TRANSMISSION OIL PAN GASKET (Part No.TOS 18698)

AUTOMATIC TRANSMISSION OIL PAN GASKET

from

$15.99
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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Dorman – Oil Cooler Line Connector With A 3/8-18 in. Thread (Part No.800-603)

Oil Cooler Line Connector With A 3/8-18 in. Thread

from

$14.49
Made of quality materials, this automatic transmission oil cooler line connector matches the fit and function of a damaged original equipment connector to restore leak-free performance between the transmission and the oil cooler.

Product Features:
  • Quality replacement – this transmission cooler connector matches the fit and function of the original equipment connector
  • Durable construction – this oil cooler line connector is made of quality materials for a precise fit and leak-free durability
  • Performance tested – this connector has been rigorously pressure tested to ensure reliable performance
  • Ideal shop supply – this connector is recommended to have on hand any time service is being performed on the transmission oil cooler line
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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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Dorman – Help – Flexplate Mounting Bolts (Part No.14112)

Flexplate Mounting Bolts

from

$18.29
Servicing or installing a flywheel or flexplate on a General Motors LS engine with a manual or automatic transmission? Ensure a truly professional repair by replacing all the worn or broken factory bolts with this convenient package of six direct-replacement 11mm x 1.5 mounting bolts. Coated with clear zinc for corrosion resistance, with threadlocker already applied, they’re precision-manufactured from strong steel for long service life.

Product Features:
  • Direct replacement – these six 11mm x 1.5 flywheel bolts match the fit, function and performance of the factory fasteners
  • Convenient package – package contains six bolts, the exact quantity needed for a complete repair
  • Durable construction – coated with clear zinc for corrosion resistance, with threadlocker already applied, and made from strong steel for 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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Dorman – Help – Shift Lever Boot (Part No.47106CD)

Shift Lever Boot

from

$28.49
This transmission shift boot matches the fit and function of the original equipment boot that as become damaged or missing. Made of quality materials, this boot is designed for durability and has been validated for a proper fit.

Product Features:
  • Ideal replacement – this transmission shift boot matches the fit and function of the original equipment boot for specific makes and models
  • Durable materials – this shift boot is manufactured from quality materials for durability
  • Cost-effective solution – offers original equipment quality at competitive price
  • Quality tested – this part has undergone try-on testing to ensure a quality fit
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ACDelco – AT Torq Con Cl Pulse (Part No.J4006209870ACD)

AT Torq Con Cl Pulse

from

$64.49
AT Torq Con Cl Pulse

National – Multi Purpose Seal (Part No.222025)

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
See More

GM Genuine Parts – SWITCH,PARK/NEU POSN & B/U LP (Part No.D2257C)

SWITCH,PARK/NEU POSN & B/U LP

from

$100.99
GM Genuine Parts Parking / Neutral Position and Back Up Light Switches 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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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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GM Genuine Parts – Gray Multi-Purpose Relay (Part No.19116059)

Gray Multi-Purpose Relay

from

$10.79
GM Genuine Parts Multi-Purpose Relays are designed, engineered, and tested to rigorous standards, and are backed by General Motors. It controls a variety of different systems within your vehicle. 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:
  • Work with vehicle electronics to help optimize vehicle capabilities
  • 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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ACDelco – AT Oil Cooler Hose A (Part No.J2068744469ACD)

AT Oil Cooler Hose A

from

$128.14
AT Oil Cooler Hose A

Pro-King – Automatic Transmission Deluxe Rebuild Kit (Part No.KS-59)

Automatic Transmission Deluxe Rebuild Kit

from

$399.99
One of the most complete rebuild kits in the automatic transmission industry today. Each Rebuild Kit contains only the highest quality parts that meet or exceed OE specifications.

Product Features:
  • Include steels, frictions, gaskets, and filter
  • Includes Band and Modulator (if applicable)
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Carquest Premium – ABS Wheel Speed Sensor Connector (Part No.PTA1078)

ABS Wheel Speed Sensor Connector

from

$27.49
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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2003 Chevrolet Express 3500 Transmission Parts

You count on your 2003 Chevrolet Express 3500 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 103 Transmission Parts ranging in price from $1.99 to $2,534.99, you’re sure to find everything you need for your 2003 Chevrolet Express 3500.

Brands matter. If you want to shop a specific Transmission Parts brand, we stock 27 different brands like Imperial, Dorman, and National. 2003 Chevrolet Express 3500 Transmission Parts start as low as $1.99!

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 1,326 extensive product reviews on 2003 Chevrolet Express 3500 Transmission Parts. Some of the top-rated Transmission Parts products we carry are Multi Purpose Seal with 4.4 stars and Multi Purpose Seal with 4.5 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 Chevrolet Express 3500 below to get started!

Top-Rated Transmission Parts Brands For Your 2003 Chevrolet Express 3500

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 Chevrolet Express 3500 running right for years to come. In our inventory you’ll find brands like Imperial, Dorman, 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 Chevrolet Express 3500 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

FAQs for 2003 Chevrolet Express 3500 Transmission Parts

What are the most purchased Transmission Parts for the 2003 Chevrolet Express 3500?

Out of 103 Transmission Parts for the 2003 Chevrolet Express 3500, the most popular in our inventory are:
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
Neutral Safety Switch
from $48.05
(13)
Neutral Safety Switch
Back Up and Neutral Safety Switches
Torque Convertor Bolts
from $9.49
This product is not rated
Torque Convertor Bolts
Torque Converter Hardware

What are the top-rated 2003 Chevrolet Express 3500 Transmission Parts?

Top-rated Transmission Parts for your 2003 Chevrolet Express 3500 based on customer reviews/ratings are:
Multi Purpose Seal
from $6.99
(20)
Multi Purpose Seal
“The product works well”
Multi Purpose Seal
from $18.99
(15)
Multi Purpose Seal
“it sealed”
Plate and Fin Style Trans Cooler 3/4" x 9-1/2" x 11" Heavy Duty
from $80.99
(8)
Plate and Fin Style Trans Cooler 3/4" x 9-1/2" x 11" Heavy Duty
“Used this cooler to replace the missing factory one on my Polaris 330 ATV. Made an adapter plate to fit to the fan housing. Works great, beats the $30”