2003 GMC Sierra 2500 Transmission Parts

Essential 2003 GMC Sierra 2500 Transmission Parts

Pro-King – Automatic Transmission Deluxe Rebuild Kit (Part No.KS-108)

Automatic Transmission Deluxe Rebuild Kit

from

$373.99
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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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 – Neutral Safety Switch Connector (Part No.PT5665)

Neutral Safety Switch Connector

from

$83.99
BWD is an aftermarket leader, providing a premium line of engine management products. BWD manufactures and distributes high technology critical components for late model domestic and import vehicles. BWD is constantly evolving to give customers the competitive edge they need to compete in today’s ever-changing marketplace.

Product Features:
  • Our distributor caps are made of high dielectric strength, glass/mineral reinforced polyester resin for less carbon tracking, greater resistance to electrical breakdown, and superior performance
  • Solid brass terminals (where available) make better connections and greater resistance to electrical pitting and corrosion
  • RFI resistors where specified to eliminate radio static and potential ECU-damaging spikes
  • With industry leading expertise, when original equipment fails our products are designed to fix the inherent failure issues
  • BWD is a global manufacturer of original equipment ignition products, complete quality control is maintained through the manufacturing process from componentry to finished product
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National – Bearings (Part No.M802011)

Bearings

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$14.79
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 – Help – Torque Convertor Bolts (Part No.14099)

Torque Convertor Bolts

from

$9.49
This torque converter hardware is designed to match the fit and function of the original hardware on specified vehicles. Made of quality materials, it is engineered for reliable performance.

Product Features:
  • Direct replacement – this torque converter hardware is designed to match the fit and function of the original hardware on specified vehicles
  • Ideal solution – this hardware is a reliable replacement for original hardware that has failed due to fatigue
  • Durable construction – this hardware 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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SKF – MT Output Shaft Seal (Part No.J1157204408SKF)

MT Output Shaft Seal

from

$70.63
MT Output Shaft Seal

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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ATP – Automatic Transmission Shifter Cable (Part No.Y-1285)

Automatic Transmission Shifter Cable

from

$92.99
Automatic Transmission Shifter Cable

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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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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Carquest Premium – Vehicle Speed Sensor (Part No.SBA3658)

Vehicle Speed Sensor

from

$42.99
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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Dorman – Drain Plug – M12-1.75 Pilot Point (Part No.65416)

Drain Plug - M12-1.75 Pilot Point

from

$8.99
This drain plug is designed to match the dimensions and function of the original plug on specified applications. Made of quality materials, it is engineered for reliable performance and durability.

Product Features:
  • Direct replacement – this drain plug matches the dimensions and function of the factory hardware on specified vehicle years, makes and models
  • Ideal solution – this drain plug is a reliable replacement for an original part that is damaged or lost during service
  • Durable construction – this part is made from quality materials to ensure reliable performance and a long service life
  • Quality assured – 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 – Neutral Safety Switch Connector (Part No.PTA1121)

Neutral Safety Switch Connector

from

$80.99
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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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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Pro-King – Manual Transmission Rebuild Kit, Excludes Syncros (Part No.BK308B)

Manual Transmission Rebuild Kit, Excludes Syncros

from

$154.99
The most complete Rebuild Kits in the manual transmission industry today. Each kit contains only the highest quality parts that meet or exceed OE specifications.
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National – Bearings (Part No.208)

Bearings

from

$39.49
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
  • Controlled heat treating process for lasting performance and extended bearing life
  • Industry leading coverage
  • Professional technicians know they can depend on National
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ATP – AT EXT HOUSING SEAL (Part No.JO-124)

AT EXT HOUSING SEAL

from

$22.99
AT EXT HOUSING SEAL

Dorman – Shift Interlock Sole (Part No.J4081960512DOR)

Shift Interlock Sole

from

$63.34
Shift Interlock Sole

Carquest – Automatic Transmission Control Solenoid (Part No.S9820)

Automatic Transmission Control Solenoid

from

$41.05
High-quality products that meet OE appearance and performance to provide professional technicians and DIYers with a cost-effective solution.

Product Features:
  • Designed to OE standards for ease of installation
  • BWD is a global manufacturer of emission components, complete quality control is maintained through the manufacturing process from componentry to finished product
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Dorman – Help – Shift Cable Bushing (Part No.14073)

Shift Cable Bushing

from

$18.79
Fixing a broken automatic transmission shift cable usually requires replacing the entire cable assembly. This Dorman OE FIX shift cable bushing saves expense by allowing the replacement of just the failed bushing.

Product Features:
  • Convenient solution – this shift cable bushing directly replaces a broken bushing and eliminates the need to replace the entire cable assembly
  • Save time and money – save the expense and significant installation time of replacing an entire cable assembly
  • Ensure fit – this bushing is vehicle-specific and precision-engineered for specified Chevrolet, GMC, Isuzu, and Oldsmobile models and years
  • Trustworthy quality – designed in the United States and backed by more than a century of automotive aftermarket excellence
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ATP – Automatic Transmission Shifter Cable (Part No.Y-1287)

Automatic Transmission Shifter Cable

from

$113.99
Automatic Transmission Shifter Cable

ATP – Automatic Transmission Shifter Cable (Part No.Y-1286)

Automatic Transmission Shifter Cable

from

$83.99
Automatic Transmission Shifter Cable

Driveworks – Oil Seal (Part No.S-3227)

Oil Seal

from

$3.49
Value-priced seal meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
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Driveworks – Oil Seal (Part No.S-4950)

Oil Seal

from

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

Product Features:
  • Brand may vary by location
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National – Multi Purpose Seal (Part No.4950)

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

Popular 2003 GMC Sierra 2500 Transmission Parts Categories

2003 GMC Sierra 2500 Transmission Parts

You count on your 2003 GMC Sierra 2500 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 164 Transmission Parts ranging in price from $1.99 to $2,984.99, you’re sure to find everything you need for your 2003 GMC Sierra 2500.

Brands matter. If you want to shop a specific Transmission Parts brand, we stock 28 different brands like Dorman, Imperial, and Permatex. 2003 GMC Sierra 2500 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 783 extensive product reviews on 2003 GMC Sierra 2500 Transmission Parts. Some of the top-rated Transmission Parts products we carry are Maxi-Kool® XL Transmission Oil Cooler with 4.4 stars and Bearings 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 GMC Sierra 2500 below to get started!

Top-Rated Transmission Parts Brands For Your 2003 GMC Sierra 2500

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 GMC Sierra 2500 running right for years to come. In our inventory you’ll find brands like Dorman, Imperial, Permatex, and even more.

Popular B & M Transmission Parts

You’ll find popular B & M brand products across Gear Shifters and Cables. All are waiting to get your 2003 GMC Sierra 2500 back on the road. Some of the top-rated B & M products in these categories are:

Top-Rated ATP Transmission Parts


If ATP are what you’re looking for, our inventory holds plenty. We stock ATP brand Transmission Parts for your 2003 GMC Sierra 2500, and some of our most reviewed ATP parts include:
Automatic Transmission Shifter Cable
from $92.99
(253)
Automatic Transmission Shifter Cable
Transmission Shift Cables
Automatic Transmission Shifter Cable
from $83.99
(13)
Automatic Transmission Shifter Cable
Automatic Transmission Shifter Cable Kits
AT DPSTK TUBE SEAL
from $5.99
(7)
AT DPSTK TUBE SEAL
Automatic Transmission Dipstick Seals

FAQs for 2003 GMC Sierra 2500 Transmission Parts

What are the most purchased Transmission Parts for the 2003 GMC Sierra 2500?

Out of 164 Transmission Parts for the 2003 GMC Sierra 2500, the most popular in our inventory are:
Ultra Grey RTV Silicone Gasket Maker, 3 OZ
from $11.49
(95)
Ultra Grey RTV Silicone Gasket Maker, 3 OZ
Transmission Pan Gaskets
Mounting Kit System
from $11.49
(27)
Mounting Kit System
Transmission Oil Cooler Fittings
High Performance Transmission Oil Cooler
from $81.99
(48)
High Performance Transmission Oil Cooler
OE Transmission Coolers

What are the top-rated 2003 GMC Sierra 2500 Transmission Parts?

Top-rated Transmission Parts for your 2003 GMC Sierra 2500 based on customer reviews/ratings are:
Maxi-Kool® XL Transmission Oil Cooler
from $81.99
(31)
Maxi-Kool® XL Transmission Oil Cooler
“Physical mounting straight forward (depends on your vehicle). This is the third one I’ve installed in towing vehicles, this year. Actually made by Ha”
Bearings
from $25.99
(23)
Bearings
“76 k10 the truck have never rolled more smooth parts fit prefectly”
Multi Purpose Seal
from $6.99
(20)
Multi Purpose Seal
“Would have been fine most likely – if correct seal was in the box. For redoing a Front Crank Seal on a 4 cylinder 89 Ranger.”