2018 GMC Sierra 3500 HD Transmission Parts

Essential 2018 GMC Sierra 3500 HD Transmission Parts

Dorman – Transmission Shift Interlock Solenoid (Part No.924-977)

Transmission Shift Interlock Solenoid

from

$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 – AT Valve Body Separa (Part No.J5028745013ACD)

AT Valve Body Separa

from

$33.03
AT Valve Body Separa

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

Vehicle Speed Sensor

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

Metal Clip Nut No.8

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$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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Carquest Premium – Neutral Safety Switch (Part No.CSC1705)

Neutral Safety Switch

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$63.99
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 – Help – Transmission Oil Cooler Seal (Part No.66219)

Transmission Oil Cooler Seal

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$11.49
This Dorman Automatic Transmission Oil Cooler Gasket eliminates leaks where the oil cooler line connects to the transmission. Gasket may break down over time, causing leaks, and should be replaced any time the oil cooler line and transmission are separated.

Product Features:
  • Durable construction – rubber over steel construction creates a positive seal and retains its shape
  • Direct replacement – fits and functions like original equipment
  • Easy to install – direct-fit, no special tools required
  • Vehicle tested – has undergone on-vehicle testing to ensure proper fit and performance
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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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Dorman – Help – Shift Cable Bushing Kit (Part No.14104)

Shift Cable Bushing Kit

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$21.99
Fixing a broken automatic transmission shift cable usually requires replacing the entire cable assembly. This Dorman OE FIX shift cable bushing kit saves expense by allowing the replacement of just the failed bushing..

Product Features:
  • Convenient solution – this shift cable bushing kit 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 kit is vehicle-specific and precision-engineered for specified General Motors and Chrysler 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 – REUSABLE AT PAN GSKT (Part No.JG-136)

REUSABLE AT PAN GSKT

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$41.99
REUSABLE AT PAN GSKT

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

Black Multi-Purpose Relay

from

$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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National – Multi Purpose Seal (Part No.340847)

Multi Purpose Seal

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$3.49
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.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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ACDelco – AT Cooling Hose Fitt (Part No.J2010575613ACD)

AT Cooling Hose Fitt

from

$33.41
AT Cooling Hose Fitt

Dorman – Help – Torque Convertor Bolts (Part No.14099)

Torque Convertor Bolts

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$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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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 – 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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ACDelco – AT Drain Plug (Part No.J5032577049ACD)

AT Drain Plug

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$12.35
AT Drain Plug

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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National – Multi Purpose Seal (Part No.714598)

Multi Purpose Seal

from

$7.29
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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Dorman – Transmission Oil Cooler Assembly (Part No.918-291)

Transmission Oil Cooler Assembly

from

$141.99
This automatic transmission oil cooler is designed to match the function of an original cooler on specified vehicles. It is engineered to help maintain proper engine oil temperature when an original cooler has failed from heat, corrosion, or damage.

Product Features:
  • Direct replacement – this automatic transmission fluid cooler is designed to match the function of an original cooler on specified vehicle
  • Ideal solution – engineered to help maintain proper transmission fluid temperature when an original cooler has failed from heat, corrosion or damage
  • Durable construction – designed and manufactured to strict specifications for reliable performance
  • 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 – 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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ACDelco – AT Neutral Safety Sw (Part No.J4050485851ACD)

AT Neutral Safety Sw

from

$77.52
AT Neutral Safety Sw

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

Drain Plug - M12-1.75 Pilot Point

from

$9.49
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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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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Carquest Premium – Premium Automatic Transmission Pressure Control Solenoid TCC1495 (Part No.TCC1495)

Premium Automatic Transmission Pressure Control Solenoid TCC1495

from

$235.99
Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.

Product Features:
  • An automatic transmission is a hydraulic multi-speed device that does not require any input from the vehicle operator other than selecting vehicle direction. Hydraulic pressure is controlled by a series of electronic shift solenoids that are commanded by
  • Precision-wound coated copper windings increase product durability and life cycle.
  • 100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
  • 100% end-of-line tested to ensure product reliability, every time.
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Permatex – High-Torque, High-Vibration RTV Silicone Gasket Maker, 13 OZ (Part No.82195)

High-Torque, High-Vibration RTV Silicone Gasket Maker, 13 OZ

from

$26.99
Permatex Ultra Grey is specified for high torque and high vibration applications. Ultra Grey offers a sensor-safe, low odor, non-corrosive formula and is OEM specified to fit dealership warranty requirements. This high performance gasket maker meets performance specs of OE silicone gaskets and can be used on high torque and vibration applications such as valve covers, water pump, intake manifold end seals ad thermostat housings.

Product Features:
  • High torque and rigidity
  • Sensor-safe, non-corrosive formula
  • OEM specified
  • Low-odor, non-corrosive formula
  • Ideal for closed spaced bolt patterns
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Spartan – Automatic Transmission Assembly; GM RWD 6L90 6-Speed (Part No.8200A-JMBF)

Automatic Transmission Assembly; GM RWD 6L90 6-Speed

from

$3889.00
Our Remanufactured Transmissions include torque convertors, trans is completely disassembled & checked then reassembled to spec for tolerances, vacuum, seal & balance, all wear parts replaced & sim tested.

Product Features:
  • Our Remanufactured Transmissions include torque convertors, trans is completely disassembled & checked then reassembled to spec for tolerances, vacuum, seal & balance, all wear parts replaced & sim tested.
  • If we have important installation information it will be included on tags or in the paperwork packaged with your transmission.
  • Transmissions are securely packaged in a recyclable container that will also protect your core on the return trip. Our nationwide warehouse network means speedy delivery.
  • All of our transmissions are Dyno tested to ensure the highest standard of trouble free service and longevity.
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Shift Pro by ETE – 1000/M74 Automatic Transmission Assembly (Part No.T281231)

1000/M74 Automatic Transmission Assembly

from

$4046.99
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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2018 GMC Sierra 3500 HD Transmission Parts

You count on your 2018 GMC Sierra 3500 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 46 Transmission Parts ranging in price from $2.60 to $3,874.00, you’re sure to find everything you need for your 2018 GMC Sierra 3500 HD.

Brands matter. If you want to shop a specific Transmission Parts brand, we stock 14 different brands like Dorman, Permatex, and National. 2018 GMC Sierra 3500 HD Transmission Parts start as low as $2.60!

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 240 extensive product reviews on 2018 GMC Sierra 3500 HD Transmission Parts.

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 2018 GMC Sierra 3500 HD below to get started!

Top-Rated Transmission Parts Brands For Your 2018 GMC Sierra 3500 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 2018 GMC Sierra 3500 HD running right for years to come. In our inventory you’ll find brands like Dorman, Permatex, 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 2018 GMC Sierra 3500 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 Transmission Parts


If are what you’re looking for, our inventory holds plenty. We stock brand Transmission Parts for your 2018 GMC Sierra 3500 HD, and some of our most reviewed parts include:
Bearings
from $23.99
(7)
Bearings
Transfer Shaft Bearing

FAQs for 2018 GMC Sierra 3500 HD Transmission Parts

What are the most purchased Transmission Parts for the 2018 GMC Sierra 3500 HD?

Out of 46 Transmission Parts for the 2018 GMC Sierra 3500 HD, the most popular in our inventory are:
Torque Convertor Bolts
from $9.49
This product is not rated
Torque Convertor Bolts
Torque Converter Hardware
High-Torque, High-Vibration RTV Silicone Gasket Maker, 13 OZ
from $26.99
(7)
High-Torque, High-Vibration RTV Silicone Gasket Maker, 13 OZ
Transmission Pan Gaskets
Metal Clip Nut No.8
from $4.49
This product is not rated
Metal Clip Nut No.8
Back Up Light Switch Clips