2003 Chevrolet Silverado 2500 HD Transmission Parts

Essential 2003 Chevrolet Silverado 2500 HD Transmission Parts

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.
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National – Multi Purpose Seal (Part No.710507)

Multi Purpose Seal

from

$24.29
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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National – Ball Bearing (sold by each) (Part No.110)

Ball Bearing (sold by each)

from

$77.99
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
  • 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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National – Multi Purpose Seal (Part No.4333N)

Multi Purpose Seal

from

$18.99
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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KAI – Trans Oil Cooler Assembly (Part No.GM4050106)

Trans Oil Cooler Assembly

from

$54.99
New Platinum Pro Automatic Transmission Oil Cooler Assembly, With 5-Speed Automatic

Product Features:
  • With 5-Speed Automatic, Made Of Aluminum
  • Meets All Federal Motor Safety Standards
  • No Drilling Needed For Installation
  • No Modifications Needed For Installation
  • Direct Fit Replacement For Your Vehicle
  • Same Form Fit And Function As OE
  • Check Out The Large Selection Of Parts Available For Your Vehicle
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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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Carquest – Air Charge Temperature Sensor Connector (Part No.PT187)

Air Charge Temperature Sensor Connector

from

$40.99
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 control modules feature double wire bonds for better connections, greater dependability and longer life despite being subjected to intense vibration and the tough operating environment
  • Copper slug heat sinks provide better heat dissipation to prevent heat from damaging the module
  • Our ignition modules will respond to a weak signal from the crankshaft position sensor and begin energizing the coils immediately for better starts in cold weather
  • High-temperature polymer housing reducing moisture intrusion and minimizes vibration damage for extended life and improved reliability
  • Our ignition modules are durability tested for 500 thermal cycles ranging from -40C to +125C
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Carquest Premium – Automatic Transmission Torque Converter Clutch Solenoid (Part No.SBA4953)

Automatic Transmission Torque Converter Clutch Solenoid

from

$40.99
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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Carquest – Neutral Safety Switch (Part No.NS38105)

Neutral Safety Switch

from

$210.99
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
  • Our parts are 100% tested to verify both mechanical and electrical switching performance
  • Decades of industry leading research and development focused on meeting the technician’s needs
  • Robust design and high grade materials meet the stringent demands of today’s service professional
  • 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.B-5020)

Bearings

from

$25.49
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
  • Available in both caged design and full complement
  • Industry leading coverage
  • Professional technicians know they can depend on National
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Dorman – Transmission Crossmember (Part No.926-980)

Transmission Crossmember

from

$229.99
Transmission shifting on its mountings? A rusted transmission support crossmember can allow excess movement in the driveline. Replacing the crossmember while retaining the existing frame restores performance and keeps the vehicle on the road.

Product Features:
  • Direct replacement – this transmission crossmember installs in place of the original frame member to secure the transmission in its place
  • No welding required – this transmission crossmember bolts in place and requires no cutting or welding
  • Quality materials – stamped steel construction with epoxy-coat finish for durability
  • Vehicle tested – has undergone extensive on-vehicle testing to ensure trouble-free fit and installation
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Dorman – Transmission Oil Cooler Line: Exact Fit, Metal/Rubber (Part No.624-158)

Transmission Oil Cooler Line: Exact Fit, Metal/Rubber

from

$51.99
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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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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GM Genuine Parts – Park/Neutral Position and Back-Up Lamp Switch (Part No.D2263C)

Park/Neutral Position and Back-Up Lamp Switch

from

$85.99
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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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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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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B & M – Bracket and Lever Kit For 4L60E/4L80E (Part No.75498)

Bracket and Lever Kit For 4L60E/4L80E

from

$42.99
Bracket and Lever Kit for General Motors 4L60E, 4L65E, 4L80E and 4L85E automatic transmissions with a PRNDL style switch.

Product Features:
  • Incl. Cable Bracket/Shift Lever/Spacers
  • Incl. Swivel/Cotter Pin
  • Natural Finish
  • Sold as a kit
  • Replacement parts
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Dorman – Gearshift Control Cable (Part No.905-643)

Gearshift Control Cable

from

$43.99
This automatic transmission shifter cable matches the fit and function of the original equipment cable to ensure a trustworthy repair. Made of quality materials, it has been extensively tested to ensure a long service life.

Product Features:
  • Direct replacement – this automatic transmission shifter cable matches the fit and function of the original equipment part
  • Durable materials – this shifter cable is manufactured from quality materials for durability
  • Cost-effective solution – offers original equipment quality at competitive price
  • Quality tested – this part has undergone extensive testing to ensure a quality fit and reliable performance
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Carquest Premium – Automatic Transmission Pressure Control Solenoid (Part No.TCA1018)

Automatic Transmission Pressure Control Solenoid

from

$68.99
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

National – Multi Purpose Seal (Part No.2457)

Multi Purpose Seal

from

$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
See More

Dorman – Help – Shift Lever Arm (Part No.74124)

Shift Lever Arm

from

$14.29
This automatic transmission shifter cable lever is designed to match the fit and function of the original lever on specified vehicles, and is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this automatic transmission shifter cable lever is designed to match the fit and function of the original lever
  • Restores functionality – reliable replacement for an original part that has failed due to corrosion
  • 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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Premium Drive Train – Manual Transmission Assembly (Part No.TNV456003T2H)

Manual Transmission Assembly

from

$2118.99
(PDT)Premium Drivetrain Transmissions are remanufactured to original equipment (OEM) demanding specifications by an OEM builder. Each transmission assembly is manufactured with the highest technology equipment, the most intelligent engineering support, and the best practices available in remanufacturing today.

Product Features:
  • All transmissions are completely disassembled and cleaned. All cases are media blasted. Internal parts are inspected for wear or damage and replaced as required. All bushings are inspected and replaced as required.
  • 100% of friction components are replaced with upgraded heavy duty parts.
  • Drum assemblies are air checked and side play is checked to assure proper clearance. 100% of seals, o’rings and gaskets are replaced.
  • 100% of solenoids are checked and replaced if they do not pass duty cycle tests. Internal wiring harness are checked and replaced as necessary. Valve bodies are disassembled, cleaned, and measured for wear. Valve body valves and valve bores are inspected and valve bores are machined as required. Completed valve bodies are tested for proper operation prior to dyno testing.
  • Transmissions are assembled, end plays are set and fasteners are torqued to the required specification.
  • 100% of transmissions are dynamometer tested to ensure proper pressures and shift quality throughout the operating range. All upshifts and downshifts are checked against preset parameters. Torque converter stall speed and lockup is verified on the dyno
  • Product might not be available in all states due to local laws.
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Premium Drive Train – Manual Transmission Assembly (Part No.TNV456003T4H)

Manual Transmission Assembly

from

$2118.99
(PDT)Premium Drivetrain Transmissions are remanufactured to original equipment (OEM) demanding specifications by an OEM builder. Each transmission assembly is manufactured with the highest technology equipment, the most intelligent engineering support, and the best practices available in remanufacturing today.

Product Features:
  • All transmissions are completely disassembled and cleaned. All cases are media blasted. Internal parts are inspected for wear or damage and replaced as required. All bushings are inspected and replaced as required.
  • 100% of friction components are replaced with upgraded heavy duty parts.
  • Drum assemblies are air checked and side play is checked to assure proper clearance. 100% of seals, o’rings and gaskets are replaced.
  • 100% of solenoids are checked and replaced if they do not pass duty cycle tests. Internal wiring harness are checked and replaced as necessary. Valve bodies are disassembled, cleaned, and measured for wear. Valve body valves and valve bores are inspected and valve bores are machined as required. Completed valve bodies are tested for proper operation prior to dyno testing.
  • Transmissions are assembled, end plays are set and fasteners are torqued to the required specification.
  • 100% of transmissions are dynamometer tested to ensure proper pressures and shift quality throughout the operating range. All upshifts and downshifts are checked against preset parameters. Torque converter stall speed and lockup is verified on the dyno
  • Product might not be available in all states due to local laws.
See More

Popular 2003 Chevrolet Silverado 2500 HD Transmission Parts Categories

2003 Chevrolet Silverado 2500 HD Transmission Parts

You count on your 2003 Chevrolet Silverado 2500 HD 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 226 Transmission Parts ranging in price from $1.99 to $3,122.99, you’re sure to find everything you need for your 2003 Chevrolet Silverado 2500 HD.

Brands matter. If you want to shop a specific Transmission Parts brand, we stock 34 different brands like Dorman, Imperial, and Anchor. 2003 Chevrolet Silverado 2500 HD 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 7,252 extensive product reviews on 2003 Chevrolet Silverado 2500 HD Transmission Parts. Some of the top-rated Transmission Parts products we carry are Maxi-Kool® XL Transmission Oil Cooler with 4.4 stars and Econo-Kool® Transmission Oil Cooler with 4.7 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 Silverado 2500 HD below to get started!

Top-Rated Transmission Parts Brands For Your 2003 Chevrolet Silverado 2500 HD

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 Silverado 2500 HD running right for years to come. In our inventory you’ll find brands like Dorman, Imperial, Anchor, 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 Silverado 2500 HD 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 ATP Transmission Parts


If ATP are what you’re looking for, our inventory holds plenty. We stock ATP brand Transmission Parts for your 2003 Chevrolet Silverado 2500 HD, and some of our most reviewed ATP parts include:
Automatic Transmission Shifter Cable
from $92.99
(255)
Automatic Transmission Shifter Cable
Automatic Transmission Shifter Cable Kits
Automatic Transmission Shifter Cable
from $83.99
(13)
Automatic Transmission Shifter Cable
Transmission Shift Cables
Shift Solenoid
from $52.99
(1)
Shift Solenoid
Automatic Transmission Shift Solenoids

FAQs for 2003 Chevrolet Silverado 2500 HD Transmission Parts

What are the most purchased Transmission Parts for the 2003 Chevrolet Silverado 2500 HD?

Out of 226 Transmission Parts for the 2003 Chevrolet Silverado 2500 HD, 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 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
Transmission Mount: Rear, 1 Piece
from $23.49
(20)
Transmission Mount: Rear, 1 Piece
Transmission Mounts

What are the top-rated 2003 Chevrolet Silverado 2500 HD Transmission Parts?

Top-rated Transmission Parts for your 2003 Chevrolet Silverado 2500 HD 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”
Econo-Kool® Transmission Oil Cooler
from $54.99
(30)
Econo-Kool® Transmission Oil Cooler
“Just what I ordered”
Multi Purpose Seal
from $6.99
(20)
Multi Purpose Seal
“The product works well”