2003 GMC Sierra 3500 Transmission Parts

Essential 2003 GMC Sierra 3500 Transmission Parts

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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ACDelco – Black Multi-Purpose Relay (Part No.D1780C)

Black Multi-Purpose Relay

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$16.49
ACDelco GM Original Equipment Wiring Relays are designed, engineered, and tested to rigorous standards, and are backed by General Motors. ACDelco GM Original Equipment parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional.

Product Features:
  • Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional
  • ACDelco GM Original Equipment 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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ATP – Automatic Transmission Shifter Cable (Part No.Y-1287)

Automatic Transmission Shifter Cable

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$114.99
Automatic Transmission Shifter Cable

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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Anchor – Transmission Mount: Rear, 1 Piece (Part No.2839)

Transmission Mount: Rear, 1 Piece

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$27.99
The purpose of the mount is to support the engine and transmission on the chassis and dampen vibration and noise from reverberating to the rest of the vehicle. Engine and Transmission Mounts are engineered and manufactured to meet or exceed OEM specifications using the latest CAD/CAM engineering process to ensure superior quality, form, fit and function. Only premium quality materials are used in the manufacturing process to guarantee precise performance and maximum durability. Applicable to CHEV 94-10; GMC 94-10; ISUZU 98-00; OLDS 96-01;. Please verify your application.

Product Features:
  • MAXIMUM LIFE & PERFORMANCE: Both natural and SBR (Styrene Butadiene) rubber provide good abrasion resistance and aging stability to ensure maximum life and performance.
  • MEETS OR EXCEEDS DUROMETER MEASUREMENTS: All rubber material is manufactured to specific Durometer (hardness) measurements based on the vehicle’s application requirements.
  • HARDENED STEEL FASTENERS: All fasteners are made of hardened steel with heat treated Grade #5 bolts.
  • SUPERIOR BOND: A special Chemlock® bonding agent is used to ensure a superior rubber-to-metal bond.
  • HYDRAULIC MOUNT DESIGN: Hydraulic Mounts (applicable where OE) are designed for most front wheel drive vehicles because transverse drive train mounting.
  • For Years: 1994-2010
  • Weight approx: 4 Lbs
  • WITHOUT INTERLOCK
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ACDelco – Neutral Safety Switc (Part No.J4050351665ACD)

Neutral Safety Switc

from

$142.24
Neutral Safety Switc

National – Bearings (Part No.208)

Bearings

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$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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Dorman – AT Oil Cooler Hose A (Part No.J2068751128DOR)

AT Oil Cooler Hose A

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$33.78
AT Oil Cooler Hose A

Carquest – Automatic Transmission Control Solenoid (Part No.S9826)

Automatic Transmission Control Solenoid

from

$23.05
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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Felpro – AUTOMATIC TRANSMISSION OIL PAN GASKET (Part No.TOS 18752)

AUTOMATIC TRANSMISSION OIL PAN GASKET

from

$36.99
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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aFe POWER – Transmission Pan (Part No.46-70070)

Transmission Pan

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$374.99
aFe Powers new deep transmission pan brings performance engineering to the protection of your trucks transmission. This transmission pan has additional capacity for 3 to 4 more quarts over stock at the factory line, a magnetic drain plug and a 1/8″ NPT port for your temperature sensor. Built-in internal and external fins transfer heat from the fluid to the outside air for maximum cooling. This transmission pan is constructed out of durable die-cast aluminum with reinforced ribs and a wrinkle black powder-coating for maximum strength and styling.

Product Features:
  • 0.125 in. NPT Port
  • Magnetic Drain Plug
  • Internal And External fins
  • 3-4 Quarts Over Stock
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Genera – AT Oil Cooler (Part No.J2040576958TYC)

AT Oil Cooler

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$147.12
Many trucks and cars come equipped with Transmission Oil Coolers to maintain consistent operating temperatures for the transmission system. External Transmission Oil Coolers offer additional cooling capacity and efficiency for specific cars and trucks that have them. In addition to the Transmission Oil Coolers that are embedded into many TYC Radiators, TYC is excited to also offer externally mounted Transmission Oil Coolers.

Product Features:
  • OE-comparable harness (no
  • OE-comparable mounting provisions ensure drop-in precise fitment
  • Rigorous and accelerated cycling tests to ensure product service quality and durability
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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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Delphi – Vehicle Speed Sensor (Part No.SS10309)

Vehicle Speed Sensor

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$37.49
Designed digital output for maximum signal to noise ratio. Not impacted by temperature changes and provide robust, long-lasting sensor protection. Manufactured to meet or exceed OE requirements.

Product Features:
  • All parts are calibrated and tested to match the OE part
  • Not impacted by temperature changes and provide robust, long-lasting sensor protection
  • Designed digital output for maximum signal to noise ratio
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ACDelco – AT Cooling Hose Fitt (Part No.J2010575613ACD)

AT Cooling Hose Fitt

from

$33.41
AT Cooling Hose Fitt

Permatex – The Right Stuff: Grey, 90 Minute Gasket Maker, 3 OZ (Part No.34328)

The Right Stuff: Grey, 90 Minute Gasket Maker, 3 OZ

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$17.49
Permatex’s The Right Stuff 90 Minute Series offers the fastest return to service in a in just 90 minute! This leak-proof, elastomeric “Formed-in-place” material is more reliable and longer lasting than pre-cut gaskets. It is blowout resistant and protects against leaks and seepage caused by vibration and thermal expansion. The Right Stuff 90 Minute Grey is specified for high torque and high vibration applications and is formulated to meet or exceed performance standards for long-term sealability, durability and handling.

Product Features:
  • Designed to perform under higher torque loads associated with engines having closely spaced bolt patterns
  • Sensor-safe, non-corrosive, RTV silicone
  • Protects against leaks caused by vibration and thermal expansion
  • Meets performance specs of OE silicone gaskets
  • Quickly returns vehicle to service in just 90 minutes
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ATP – AT OIL PUMP SEAL (Part No.JO-122)

AT OIL PUMP SEAL

from

$14.99
AT OIL PUMP SEAL

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
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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
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ATP – ATHARNESS VSS REPR (Part No.JE-22)

ATHARNESS VSS REPR

from

$148.99
ATHARNESS VSS REPR

ATP – ATHARNESS VSS REPR (Part No.JE-36)

ATHARNESS VSS REPR

from

$265.99
ATHARNESS VSS REPR

ATP – Shift Solenoid (Part No.CE-14)

Shift Solenoid

from

$52.99
Shift Solenoid

Dorman – Help – Engine Oil Dipstick: Direct Replacement, Metal (Part No.917-478)

Engine Oil Dipstick: Direct Replacement, Metal

from

$25.99
This automatic transmission dipstick is designed to match the fit and function of the original dipstick on specified vehicles, and is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this automatic transmission dipstick is designed to match the fit and function of the original dipstick on specified vehicles
  • Restores functionality – reliable replacement for an original dipstick that has bent or broken 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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Dorman – Help – Transmission Dipstick Tube: Direct Replacement, Mild Steel (Part No.917-317)

Transmission Dipstick Tube: Direct Replacement, Mild Steel

from

$31.49
This automatic transmission dipstick tube is designed to match the fit and function of the original dipstick tube on specified vehicles, and is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this automatic transmission dipstick tube is designed to match the fit and function of the original dipstick on specified vehicles
  • Restores functionality – reliable replacement for an original dipstick tube that has failed due to fatigue and 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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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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Popular 2003 GMC Sierra 3500 Transmission Parts Categories

2003 GMC Sierra 3500 Transmission Parts

You count on your 2003 GMC Sierra 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 214 Transmission Parts ranging in price from $1.99 to $3,122.99, you’re sure to find everything you need for your 2003 GMC Sierra 3500.

Brands matter. If you want to shop a specific Transmission Parts brand, we stock 31 different brands like Dorman, National, and Imperial. 2003 GMC Sierra 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 5,016 extensive product reviews on 2003 GMC Sierra 3500 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 GMC Sierra 3500 below to get started!

Top-Rated Transmission Parts Brands For Your 2003 GMC Sierra 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 GMC Sierra 3500 running right for years to come. In our inventory you’ll find brands like Dorman, National, Imperial, 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 GMC Sierra 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

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 3500, 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 GMC Sierra 3500 Transmission Parts

What are the most purchased Transmission Parts for the 2003 GMC Sierra 3500?

Out of 214 Transmission Parts for the 2003 GMC Sierra 3500, 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 GMC Sierra 3500 Transmission Parts?

Top-rated Transmission Parts for your 2003 GMC Sierra 3500 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”
Multi Purpose Seal
from $18.99
(15)
Multi Purpose Seal
“it sealed”